Thick Film Chip Resistors / Low Resistance Type
Thick Film Chip Resistors /
Low Resistance Type
Series: ERJ 2LW, 3LW, 6LW,
ERJ 2BW, 3BW, 6BW, 8BW, 6CW, 8CW
ERJ 2B, 3B, 6D, 6B, 8B, 14B,
ERJ 3R, 6R, 8R, 14R, 12R, 12Z, 1TR
ERJ L03, L06, L08, L14, L12, L1D, L1W
Features
● Current Sensing resistor
● Small size and lightweight
● Realize both low-resistance & High-precision by original thick film resistive element & special electrode
structure
● Suitable for both reflow and flow soldering
● Realize High-power by double-sided resistive elements structure that aimed to suppress temperature
rising… ERJ2LW, 3LW, 6LW, 2BW, 3BW, 6BW, 8BW, 6CW, 8CW
● Low TCR………………… ±75×10－6/K（ERJ6CW, ERJ8CW）
● Low Resistance Value… Thick film resistors available from 5 mΩ (ERJ3LW, 6LW)
● Reference Standard…… IEC 60115-8, JIS C 5201-8, JEITA RC-2144
● AEC-Q200 compliant
● RoHS compliant
■ As for Packaging Methods, Land Pattern, Soldering Conditions and Safety Precautions,
Please see Data Files
Explanation of Part Numbers
● ERJ2LW, 3LW, 6LW, 2BW, 3BW, 6BW, 8BW, 6CW, 8CW
1
2
3
4
5
6
7
8
9
10
E
R
J
2
B
W
G
R
0
4
Product Code
Code
inch size
Thick Film
2LW
0402
0.2 W
Chip Resistors
3LW
0603
0.25 W
6LW
0805
Power Rating
Resistance Value
Resistance Tolerance
10 mΩ
Code
5 mΩ, 10 mΩ
Tolerance
D
±0.5 ％*
0.5 W 5, 6, 7, 8, 9 mΩ
F
±1 ％
2BW
0402
0.25 W 47 m to 100 mΩ
G
±2 ％
3BW
0603
0.33 W 20 m to 100 mΩ
J
±5 ％
6BW
0805
0.5 W 10 m to 100 mΩ
8BW
1206
1 W 10 m to 100 mΩ
6CW
0805
0.5 W 10 m to
30 mΩ
8CW
1206
1 W 10 m to
50 mΩ
11
12
X
7
Resistance Value
Shown by 4 digits or
letters.
(Ex.)
R005 : 0.05 Ω = 5 mΩ
R047 : 0.047 Ω = 47 mΩ
*Please refer to the rating table
for the resistance tolerance.
Packaging Methods
Code
X
V
Packaging
Part No.
Pressed Carrier Taping ERJ2LW
2 mm pitch, 10,000 pcs ERJ2BW
Punched Carrier Taping
4 mm pitch, 5,000 pcs
Design and specifications are each subject to change without notice. Ask factory for the current technical specifications before purchase and/or use.
Should a safety concern arise regarding this product, please be sure to contact us immediately.
ERJ3LW
ERJ6LW
ERJ3BW
ERJ6BW
ERJ8BW
ERJ6CW
ERJ8CW
29-Jan-20
Thick Film Chip Resistors / Low Resistance Type
● ERJ2BS/2BQ, 3BS/3BQ, 6BS/6BQ, 8BS/8BQ, 14BS/14BQ, 6D, 3R, 6R, 8R, 14R, 12R, 12Z, 1TR
1
2
3
4
5
6
7
8
9
10
11
E
R
J
8
R
Q
F
R
2
2
V
Size, Power Rating
Product Code
Thick Film
Resistance Value Region
Code
inch size
Power Rating
2B
0402
0603
0603
S
0.166 W
Q
Chip Resistors
3B
3R
6D
0.25 W
8B
8R
14B
14R
12R
12Z
1TR
0805
1206
1206
Code
Tolerance
D
F
G
±0.5 ％*
±1 ％
±2 ％
✽
✽2B:0.22 Ω to 1.0 Ω
0.1 W
0.5 W
0.33 W
0805
0805
6B
6R
0.22Ω to 9.1Ω
Resistance Value
Resistance Tolerance
0.1Ω to 0.2Ω
J
±5 ％
*Please refer to the
0.125 W
rating table for the
0.5 W
resistance tolerance.
0.25 W
0.5 W
0.25 W
1210
1210
1812
2010
Shown by 3
digits or letters.
Only when it is D
(E24,E96) or F
(E96), shown by
4 digits or
letters.
（Ex.）
R22 : 0.22 Ω
R102 : 0.102 Ω
Packaging Methods
Punched Carrier Taping
X
2 mm pitch,10,000 pcs
ERJ8B/8R
Embossed Carrier Taping
4 mm pitch, 5,000 pcs
U
4 mm pitch, 4,000 pcs
3
4
5
6
7
8
9
10
11
12
E
R
J
L
1
4
K
J
5
0
M
U
Size, Power Rating
inch size
Chip Resistors
L03
0603
0805
1206
1210
1812
2010
2512
L06
L08
L14
L12
L1D
L1W
ERJ12R
ERJ12Z
ERJ1TR
2
Code
ERJ14B/14R
1W
1
Product Code
ERJ2B
ERJ3B/3R
Embossed Carrier Taping
● ERJL03, L06, L08, L14, L12, L1D, L1W
Thick Film
Part No.
Punched Carrier Taping ERJ6D/6B/
4 mm pitch, 5,000 pcs ERJ6R
V
0.5 W
0.5 W
2512
Packaging
Code
Code Resistance Value
Standard
Power Rating
0.2 W
0.25 W
0.33
0.33
0.5
0.5
1
W
W
W
W
W
✽
20 mΩ, 22 mΩ,
K
U
Resistance Tolerance
Code
Tolerance
F
J
±1 ％
±5 ％
Resistance Value
Shown by 3
digits or letters.
47 mΩ, 50 mΩ,
（Ex.）
50M : 50 mΩ,
100mΩ
10C : 100 mΩ
33 mΩ, 39 mΩ,
20 mΩ to 100 mΩ
V
Packaging Methods
Packaging
Part No.
ERJL03
Punched Carrier Taping
ERJL06
4 mm pitch, 5,000 pcs
ERJL08
Embossed Carrier Taping
✽
U
✽ L03, L06, L08 : 47 mΩ to 100 mΩ
L1D, L1W
Code
4 mm pitch, 5,000 pcs
Embossed Carrier Taping
: 40 mΩ to 100 mΩ
4 mm pitch, 3,000 pcs
ERJL14
ERJL12
ERJL1D
ERJL1W
Ratings
＜High power (double-sided resistive elements structure) type＞
Part No.
(inch size)
ERJ2LW
Resistance
Tolerance
(%)
Resistance
at 70 °C（1）
(W)
0.2
±1, ±2, ±5
Power Rating
Range(2)
（Ω）
T.C.R.
-6
(×10 /K)
Range（℃）
AECQ200
Grade
ERJ3LW
(0603)
0.25
±1, ±2, ±5
ERJ6LW
ERJ2BW
(0805)
(0402)
0.5
0.25
±1, ±2, ±5
±1, ±2, ±5
10 m
5m
10 m
5, 6, 7, 8, 9 m
47 m to 100 m (E24)
ERJ3BW
(0603)
0.33
±1, ±2, ±5
20 m to 100 m (E24)
20 mΩ ≤ R < 39 mΩ:0 to +250
39 mΩ ≤ R ≤ 100 mΩ:0 to +150
–55 to +155
Grade 0
ERJ6BW
(0805)
0.5
±1, ±2, ±5
10 m to 100 m (E24)
10 mΩ ≤ R < 15 mΩ:0 to +300
15 mΩ ≤ R ≤ 100 mΩ:0 to +200
–55 to +155
Grade 0
ERJ8BW
(1206)
1
±1, ±2, ±5
10 m to 100 m (E24)
–55 to +155
Grade 0
10 m to 30 m (E24)
±75
–55 to +125
10 m to 50 m (E24)
±75
–55 to +125
(1) Use it on the condition that the case temperature is below the upper category temperature.
・ Rated Continuous Working Voltage (RCWV) shall be determined from RCWV=√Power Rating × Resistance Value.
・ Overload Test Voltage (OTV) shall be determined from OTV=Specified Magnification (refer to performance) × RCW.
(2) Please contact us when resistors of irregular series are needed.
Grade 1
Grade 1
(0402)
0 to +500
Category
Temperature
0
0
0
0
to
to
to
to
+700
+300
+300
+300
10 mΩ ≤ R < 20 mΩ:0 to +200
20 mΩ ≤ R < 47 mΩ:0 to +150
–55
–55
–55
–55
–55
to
to
to
to
to
+125
+125
+125
+125
+155
Grade 1
Grade 1
Grade 1
Grade 0
47 mΩ ≤ R ≤ 100 mΩ:0 to +100
ERJ6CW
ERJ8CW
(0805)
(1206)
0.5
1
±0.5, ±1, ±2, ±5
±1, ±2, ±5
Design and specifications are each subject to change without notice. Ask factory for the current technical specifications before purchase and/or use.
Should a safety concern arise regarding this product, please be sure to contact us immediately.
29-Jan-20
Thick Film Chip Resistors / Low Resistance Type
Ratings
＜High power type＞
Part No.
(inch size)
ERJ2BS
(0402)
ERJ2BQ
(0402)
ERJ3BS
(0603)
ERJ3BQ
(0603)
ERJ6DS
(0805)
ERJ6DQ
(0805)
ERJ6BS
(0805)
ERJ6BQ
(0805)
ERJ8BS
(1206)
ERJ8BQ
(1206)
ERJ14BS
(1210)
ERJ14BQ
(1210)
Power Rating
at 70 °C
(W)
（1）
Resistance
Tolerance
(%)
(2)
0.166
±1, ±2, ±5
0.25
±1, ±2, ±5
Resistance
Range(3)
（Ω）
T.C.R.
-6
(×10 /K)
0.10 to 0.20 (E24)
0.10 Ω ≤ R < 0.22 Ω
: 0 to +300
0.22 to 1.0
(E24)
0.22 Ω ≤ R ≤ 1.0 Ω
: 0 to +250
0.10 to 0.20 (E24)
0.10 Ω ≤ R < 0.22 Ω
: 0 to +300
0.22 to 0.91 (E24)
0.22 Ω ≤ R < 1.0 Ω
1.0 to 9.1 (E24)
0.10 to 0.20 (E24,E96) 0.10 Ω ≤ R < 0.22 Ω
1.0 Ω ≤ R ≤ 9.1 Ω
0.5
0.33
±0.5, ±1, ±2, ±5
±1, ±2, ±5
0.22 to 9.1
±1, ±2, ±5
0.10 Ω ≤ R < 0.22 Ω
0.22 to 0.91 (E24)
0.22 Ω ≤ R < 1.0 Ω
±1, ±2, ±5
: 0 to +250
: 0 to +250
0.22 to 0.91 (E24)
0.22 Ω ≤ R < 1.0 Ω
: 0 to +250
1.0 Ω ≤ R ≤ 9.1 Ω
0.22 to 0.91 (E24)
0.22 Ω ≤ R < 1.0 Ω
1.0 to 9.1
(E24)
1.0 Ω ≤ R ≤ 9.1 Ω
–55 to +155
Grade 0
–55 to +155
Grade 0
–55 to +155
Grade 0
–55 to +155
Grade 0
–55 to +155
Grade 0
: 0 to +250
0.10 Ω ≤ R < 0.22 Ω
0.10 Ω ≤ R < 0.22 Ω
Grade 0
: ±100
0.10 to 0.20 (E24)
(E24)
–55 to +155
: 0 to +150
: 0 to +100
1.0 Ω ≤ R ≤ 9.1 Ω
0.10 to 0.20 (E24)
Range（℃）
AECQ200
Grade
: ±200
(E24)
1.0 to 9.1
0.5
1.0 Ω ≤ R ≤ 9.1 Ω
0.10 to 0.20 (E24)
1.0 to 9.1
0.5
(E24,E96)
0.22 Ω ≤ R < 1.0 Ω
: 0 to +300
Category
Temperature
: ±200
: ±200
: 0 to +200
: 0 to +200
: ±100
(1) Use it on the condition that the case temperature is below the upper category temperature.
(2) E96 series also have ±0.5 %, ±1 % line-up.
・ Rated Continuous Working Voltage (RCWV) shall be determined from RCWV=√Power Rating × Resistance Value.
・ Overload Test Voltage (OTV) shall be determined from OTV=Specified Magnification (refer to performance) × RCW.
(3) Please contact us when resistors of irregular series are needed.
＜Standard type＞
Part No.
(inch size)
ERJ3RS
Resistance
Tolerance
(%)
0.1
±1, ±2, ±5
(0603)
ERJ3RQ
(0603)
ERJ6RS
(0805)
ERJ6RQ
(0805)
ERJ8RS
(1206)
ERJ8RQ
(1206)
ERJ14RS
(1210)
ERJ14RQ
(1210)
ERJ12RS
(1812)
ERJ12RQ
(1812)
ERJ12ZS
(2010)
ERJ12ZQ
(2010)
ERJ1TRS
(2512)
ERJ1TRQ
at 70 °C（1）
(W)
Power Rating
(2512)
Resistance
(2)
Range
（Ω）
±1, ±2, ±5
0.10 Ω ≤ R < 0.22 Ω
: 0 to +300
0.22 to 0.91 (E24)
0.22 Ω ≤ R < 1.0 Ω
: 0 to +300
(E24)
1.0 Ω ≤ R ≤ 9.1 Ω
0.10 to 0.20 (E24)
0.10 Ω ≤ R < 0.22 Ω
: 0 to +250
0.22 to 0.91 (E24)
0.22 Ω ≤ R < 1.0 Ω
: 0 to +250
1.0 to 9.1
0.25
±1, ±2, ±5
±1, ±2, ±5
(E24)
0.10 to 0.20 (E24)
0.10 Ω ≤ R < 0.22 Ω
: 0 to +250
0.22 to 0.91 (E24)
0.5
±1, ±2, ±5
0.22 Ω ≤ R < 1.0 Ω
: 0 to +250
1.0 Ω ≤ R ≤ 9.1 Ω
0.10 to 0.20 (E24)
0.10 Ω ≤ R < 0.22 Ω
: 0 to +200
0.22 to 0.91 (E24)
0.22 Ω ≤ R < 1.0 Ω
0.5
±1, ±2, ±5
: 0 to +200
1.0 Ω ≤ R ≤ 9.1 Ω
0.10 to 0.20 (E24)
0.10 Ω ≤ R < 0.22 Ω
: 0 to +200
0.22 to 0.91 (E24)
0.22 Ω ≤ R < 1.0 Ω
: 0 to +200
1
±1, ±2, ±5
(E24)
1.0 Ω ≤ R ≤ 9.1 Ω
0.10 Ω ≤ R < 0.22 Ω
: 0 to +200
0.22 to 0.91 (E24)
0.22 Ω ≤ R < 1.0 Ω
: 0 to +200
1.0 Ω ≤ R ≤ 9.1 Ω
0.10 to 0.20 (E24)
0.10 Ω ≤ R < 0.22 Ω
: 0 to +200
0.22 to 0.91 (E24)
0.22 Ω ≤ R < 1.0 Ω
: 0 to +200
(E24)
1.0 Ω ≤ R ≤ 9.1 Ω
–55 to +155
Grade 0
–55 to +155
Grade 0
–55 to +155
Grade 0
–55 to +155
Grade 0
–55 to +155
Grade 0
–55 to +155
Grade 0
: ±100
(E24)
1.0 to 9.1
Grade 0
: ±100
0.10 to 0.20 (E24)
1.0 to 9.1
–55 to +155
: ±200
(E24)
1.0 to 9.1
Range（℃）
AECQ200
Grade
: ±200
(E24)
1.0 to 9.1
Category
Temperature
: ±200
1.0 Ω ≤ R ≤ 9.1 Ω
1.0 to 9.1
0.25
(×10-6/K)
0.10 to 0.20 (E24)
1.0 to 9.1
0.125
T.C.R.
: ±100
: ±100
(1) Use it on the condition that the case temperature is below the upper category temperature.
・ Rated Continuous Working Voltage (RCWV) shall be determined from RCWV=√Power Rating × Resistance Value.
・ Overload Test Voltage (OTV) shall be determined from OTV=Specified Magnification (refer to performance) × RCW.
(2) Please contact us when resistors of irregular series are needed.
Design and specifications are each subject to change without notice. Ask factory for the current technical specifications before purchase and/or use.
Should a safety concern arise regarding this product, please be sure to contact us immediately.
29-Jan-20
Thick Film Chip Resistors / Low Resistance Type
Ratings
＜Low TCR type＞
Part No.
(inch size)
Resistance
Tolerance
(%)
Resistance
at 70 °C（1）
(W)
Range(2)
（Ω）
(×10 /K)
±200
Power Rating
T.C.R.
-6
ERJL03
(0603)
0.2
±1, ±5
47 m to 100 m
ERJL06
(0805)
0.25
±1, ±5
47 m to 100 m
±100
ERJL08
(1206)
0.33
±1, ±5
47 m to 100 m
±100
ERJL14
(1210)
0.33
±1, ±5
20 m to 100 m
ERJL12
(1812)
0.5
±1, ±5
20 m to 100 m
ERJL1D
(2010)
0.5
±1, ±5
40 m to 100 m
ERJL1W
(2512)
1
±1, ±5
40 m to 100 m
R < 47 mΩ : ±300
R ≥ 47 mΩ : ±100
Category
Temperature
Range（℃）
AECQ200
Grade
–55 to +125
Grade 1
–55 to +125
Grade 1
–55 to +125
Grade 1
–55 to +125
Grade 1
–55 to +125
Grade 1
–55 to +125
Grade 1
–55 to +125
Grade 1
(1) Use it on the condition that the case temperature is below the upper category temperature.
・ Rated Continuous Working Voltage (RCWV) shall be determined from RCWV=√Power Rating × Resistance Value.
・ Overload Test Voltage (OTV) shall be determined from OTV=Specified Magnification (refer to performance) × RCW.
(2) Standard R.V. : 20 mΩ, 22 mΩ, 33 mΩ, 39 mΩ, 47 mΩ, 50 mΩ, 100 mΩ, Custom R.V. : Each 1 mΩ within upper range.
Rated Load (%)
Power Derating Curve
For resistors operated in ambient temperatures
above 70 °C, power rating shall be derated in
accordance with the figure on the right.
100
70 ℃
-55 ℃
80
60
40
155 ℃
20
125 ℃
0
-60 -40 -20
0
20
40
60
80 100 120 140 160 180
Ambient Temperature (°C)
Construction
Protective coating
Alumina substrate
Thick film resistive element
Electrode (Inner)
Electrode (Between)
Electrode (Outer)
Design and specifications are each subject to change without notice. Ask factory for the current technical specifications before purchase and/or use.
Should a safety concern arise regarding this product, please be sure to contact us immediately.
29-Jan-20
Thick Film Chip Resistors / Low Resistance Type
Dimensions in mm (not to scale)
L
a
W
T
b
Part No.
Dimensions (mm)
Mass (Weight)
L
W
a
b
T
(g/1000pcs)
ERJ2LW
1.00±0.10
0.50+0.10/-0.05
0.25±0.10
0.25±0.10
0.40±0.05
0.8
ERJ2BW
1.00±0.10
0.50+0.10/-0.05
0.24±0.10
0.24±0.10
0.35±0.05
0.8
ERJ2B
1.00±0.10
0.50+0.10/-0.05
0.20±0.10
0.27±0.10
0.35±0.05
0.8
ERJ3LW
(5 mΩ)
1.60±0.15
0.80±0.15
0.50±0.20
0.50±0.20
0.55±0.10
3
ERJ3LW
(10 mΩ)
ERJ3BW
1.60±0.15
0.80±0.15
0.40±0.20
0.40±0.20
0.55±0.10
3
ERJ3R
ERJ3B
ERJL03
1.60±0.15
0.80+0.15/-0.05
0.30±0.20
0.30±0.15
0.45±0.10
2
ERJ6LW
2.00±0.20
1.25±0.20
0.63±0.20
0.63±0.20
0.70±0.10
6
ERJ6BW
2.00±0.20
1.25±0.20
0.55±0.20
0.55±0.20
0.65±0.10
6
2.05±0.20
1.30±0.20
0.60±0.20
0.60±0.20
0.45±0.20
0.45±0.20
0.65±0.10
6
ERJ6D
2.00±0.20
1.25±0.10
0.40±0.20
0.55±0.25
0.60±0.10
5
ERJ6R
ERJ6B
ERJL06
2.00±0.20
1.25±0.10
0.40±0.20
0.40±0.20
0.60±0.10
5
ERJ8BW
3.20±0.20
1.60±0.20
1.00±0.20
1.00±0.20
0.65±0.10
13
ERJ8CW
(10 to 16 mΩ)
3.20±0.20
1.60±0.20
1.10±0.20
1.10±0.20
0.65±0.10
13
ERJ8CW
(18 to 50 mΩ)
3.20±0.20
1.60±0.20
0.60±0.20
0.60±0.20
0.65±0.10
13
ERJ8R
ERJ8B
ERJL08
3.20+0.05/-0.20
1.60+0.05/-0.15
0.50±0.20
0.50±0.20
0.60±0.10
10
ERJ14R
ERJ14B
ERJL14
3.20±0.20
2.50±0.20
0.50±0.20
0.50±0.20
0.60±0.10
16
ERJ12R
ERJL12
4.50±0.20
3.20±0.20
0.50±0.20
0.50±0.20
0.60±0.10
27
ERJ12Z
ERJL1D
5.00±0.20
2.50±0.20
0.60±0.20
0.60±0.20
0.60±0.10
27
ERJ1TR
6.40±0.20
3.20±0.20
0.65±0.20
0.60±0.20
0.60±0.10
45
ERJL1W
6.40±0.20
3.20±0.20
0.65±0.20
1.30±0.20
1.10±0.10
79
ERJ6CW
(10 to 13 mΩ)
ERJ6CW
(15 to 30 mΩ)
Design and specifications are each subject to change without notice. Ask factory for the current technical specifications before purchase and/or use.
Should a safety concern arise regarding this product, please be sure to contact us immediately.
29-Jan-20
Thick Film Chip Resistors / Low Resistance Type
Performance
● ERJ2LW, 3LW, 6LW, 2BW, 3BW, 6BW, 8BW, 6CW, 8CW
＜High power (double-sided resistive elements structure) type＞
Test Item
Resistance
T. C. R.
Overload
Resistance to Soldering Heat
Rapid Change of Temperature
Performance
Requirements ⊿R
Test Conditions
Within Specified
20 °C
Tolerance
Within Specified
+25 °C/+125 °C
T. C. R.
ERJ6LW
±2 %
ERJ8BW (R > 0.05 Ω)
Other
±1 %
270 °C, 10 s
: Rated Voltag× 1.77, 5 s
: Rated Voltag× 1.77, 5 s
: Rated Voltag× 2.0 , 5 s
±1 %
–55 °C (30min.) / +155 °C (ERJ□LW, ERJ□CW : +125 ℃)
ERJ2LW : ±2 % (30 min.)，100 cycles
High Temperature Exposure
±1 %
Damp Heat, Steady State
±1 %
Load Life in Humidity
±3 %
Endurance at 70 °C
±3 %
+155 °C (ERJ□LW, ERJ□CW : +125 ℃), 1000 h
60 °C, 90 % to 95 %RH, 1000 h
60 °C, 90 % to 95 %RH, Rated Voltage，
1.5 h ON / 0.5 h OFF cycle , 1000 h
70 °C，Rated Voltage，1.5 h ON / 0.5 h OFF cycle，1000 h
● ERJ2BS/2BQ, 3BS/3BQ, 6BS/6BQ, 8BS/8BQ, 14BS/14BQ, 6D, 3R, 6R, 8R, 14R, 12R, 12Z, 1TR
＜High power type/Standard type＞
Test Item
Resistance
T. C. R.
Overload
Resistance to Soldering Heat
Rapid Change of Temperature
Performance
Requirements ⊿R
Test Conditions
Within Specified
20 °C
Tolerance
Within Specified
+25 °C/+125 °C
T. C. R.
±2 %
Rated Voltage× 2.5 (ERJ6D : ×1.77 )，5 s
±1 %
270 °C, 10 s
±1 %
High Temperature Exposure
±1 %
Damp Heat, Steady State
±1 %
Load Life in Humidity
±3 %
Endurance at 70 °C
±3 %
–55 °C (30 min.) / +155 °C (30 min.)，100 cycles
+155 °C, 1000 h
60 °C, 90 % to 95 %RH, 1000 h
60 °C, 90 % to 95 %RH, Rated Voltage，
1.5 h ON / 0.5 h OFF cycle , 1000 h
70 °C，Rated Voltage，1.5 h ON / 0.5 h OFF cycle，1000 h
● ERJL03, L06, L08, L14, L12, L1D, L1W ＜ Low TCR type ＞
Test Item
Resistance
T. C. R.
Overload
Resistance to Soldering Heat
Rapid Change of Temperature
Performance
Requirements ⊿R
Test Conditions
Within Specified
20 °C
Tolerance
Within Specified
+25 °C/+125 °C
T. C. R.
±2 %
Rated Voltage× 2.5，5 s
±1 %
270 °C, 10 s
±1 %
High Temperature Exposure
±1 %
Damp Heat, Steady State
±1 %
Load Life in Humidity
±3 %
Endurance at 70 °C
±3 %
–55 °C (30 min.) / +125 °C (30 min.)，100 cycles
+125 °C, 1000 h
60 °C, 90 % to 95 %RH, 1000 h
60 °C, 90 % to 95 %RH, Rated Voltage，
1.5 h ON / 0.5 h OFF cycle , 1000 h
70 °C，Rated Voltage，1.5 h ON / 0.5 h OFF cycle，1000 h
Design and specifications are each subject to change without notice. Ask factory for the current technical specifications before purchase and/or use.
Should a safety concern arise regarding this product, please be sure to contact us immediately.
29-Jan-20
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Fixed Resistors
Safety Precautions (Common precautions for Fixed Resistors)
• When using our products, no matter what sort of equipment they might be used for, be sure to make a written
agreement on the specifications with us in advance. The design and specifications in this catalog are subject to
change without prior notice.
• Do not use the products beyond the specifications described in this catalog.
• This catalog explains the quality and performance of the products as individual components. Before use, check
and evaluate their operations when installed in your products under the actual conditions for use.
• Install the following systems for a failsafe design to ensure safety if these products are to be used in equipment
where a defect in these products may cause the loss of human life or other significant damage, such as
damage to vehicles (automobile, train, vessel), traffic lights, medical equipment, aerospace equipment,
electric heating appliances, combustion/gas equipment, rotating equipment, and disaster/crime prevention
equipment.
✽ Systems equipped with a protection circuit and a protection device.
✽ Systems equipped with a redundant circuit or other system to prevent an unsafe status in the event of a single
fault.
✽ Systems equipped with an arresting the spread of fire or preventing glitch.
(1) Precautions for use
• These products are designed and manufactured for general and standard use in general elec tron ic equipment.
(e.g. AV equipment, home electric appliances, office equipment, information and communication equipment)
For applications in which special quality and reliability are required, or if the failure or malfunction of the
products may directly jeopardize life or cause threat of personal injury (such as for aircraft and aerospace
equipment, traffic and transport equipment, combustion equipment, medical equipment, accident prevention
and anti-theft devices, and safety equipment), please be sure to consult with our sales representative in
advance and to exchange product specifications which conform to such applications.
• These products are not intended for use in the following special conditions. Before using the products, carefully
check the effects on their quality and performance, and determine whether or not they can be used.
1. In liquid, such as water, oil, chemicals, or organic solvent.
2. In direct sunlight, outdoors, or in dust.
3. In salty air or air with a high concentration of corrosive gas, such as Cl2，H2S，NH3，SO2，or NOX .
4. Electric Static Discharge (ESD) Environment.
These components are sensitive to static electricity and can be damaged under static shock (ESD).
Please take measures to avoid any of these environments.
Smaller components are more sensitive to ESD environment.
5. Electromagnetic and Radioactive Environment.
Avoid any environment where strong electromagnetic waves and radiation exist.
6. In an environment where these products cause dew condensation.
7. Sealing or coating of these products or a printed circuit board on which these products are mounted, with
resin or other materials.
• These products generate Joule heat when energized. Carefully position these products so that their heat will
not affect the other components.
• Carefully position these products so that their temperatures will not exceed the category temperature range
due to the effects of neighboring heat-generating components. Do not mount or place heat-generating
components or inflammables, such as vinyl-coated wires, near these products.
• Note that non-cleaning solder, halogen-based highly active flux, or water-soluble flux may deteriorate the
performance or reliability of the products.
• Carefully select a flux cleaning agent for use after soldering. An unsuitable agent may deteriorate the
performance or reliability. In particular, when using water or a water-soluble cleaning agent, be careful not to
leave water residues. Otherwise, the insulation performance may be deteriorated.
• Do not apply flux to these products after soldering. The activity of flux may be a cause of failures in these
products.
• Refer to the recommended soldering conditions and set the soldering condition. High peak temperature or
long heating time may impair the performance or the reliability of these products.
• Recommended soldering condition is for the guideline for ensuring the basic characteristics of the products,
not for the stable soldering conditions. Conditions for proper soldering should be set up according to individual
conditions.
01-Oct-19
Fixed Resistors
• Do not reuse any products after removal from mounting boards.
• Do not drop these products. If these products are dropped, do not use them. Such products may have
received mechanical or electrical damage.
• If any doubt or concern to the safety on these products arise, make sure to inform us immediately and
conduct technical examinations at your side.
(2) Precautions for storage
The performance of these products, including the solderability, is guaranteed for a year from the date of
arrival at your company, provided that they remain packed as they were when delivered and stored at
a temperature of 5 °C to 35 °C and a relative humidity of 45 % to 85 %.
Even within the above guarantee periods, do not store these products in the following conditions.
Otherwise, their electrical performance and/or solderability may be deteriorated, and the packaging
materials (e.g. taping materials) may be deformed or deteriorated, resulting in mounting failures.
1. In salty air or in air with a high concentration of corrosive gas, such as Cl2，H2S，NH3，SO2，or NOX .
2. In direct sunlight.
(3) AEC-Q200 Compliant
The products are tested based on all or part of the test conditions and methods defined in AEC-Q200.
Please consult with Panasonic for the details of the product specification and specific evaluation test results,
etc., and please review and approve Panasonic's product specification before ordering.
＜Package markings＞
Package markings include the product number, quantity, and country of origin.
In principle, the country of origin should be indicated in English.
01-Oct-19
Surface Mount Resistors
Safety Precautions (Common precautions for Surface Mount Resistors)
The following are precautions for individual products. Please also refer to the common precautions for Fixed
Resistors in this catalog.
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
13.
Take measures against mechanical stress during and after mounting of Surface Mount Resistors
(hereafter called the resistors) so as not to damage their electrodes and protective coatings.
Be careful not to misplace the resistors on the land patterns. Otherwise, solder bridging may occur.
Keep the rated power and ambient temperature within the specified derating curve.
Some circuit boards, wiring patterns, temperatures of heat generated by adjacent components, or
ambient temper a tures can become factors in the rise of the temperature of the resistors, regardless of
the level of power applied. Therefore, check the conditions before use and op timize them so as not to
damage the boards and peripheral components.
Make sure to contact us before using the resistors under special conditions.
If a transient load (heavy load in a short time) like a pulse is expected to be applied, check and evaluate
the operations of the resistors when installed in your products before use. Never exceed the rated power.
Otherwise, the performance and/or reliability of the resistors may be impaired.
Transient voltage
If there is a possibility that the transient phenomenon (significantly high voltage applied in a short time)
may occur or that a high voltage pulse may be applied, make sure to evaluate and check the
characteristics of resistors mounted on your product rather than only depending on the calculated power
limit or steady-state conditions.
If the resistors are to be used in high frequency circuits, carefully check the operation before use.
Such circuits change the electrical characteristics of the resistors.
Before using halogen-based or other high-activity flux, check the possible effects of the flux residues on the
performance and reliability of the resistors.
When soldering with a soldering iron, never touch the resistors'bodies with the tip of the soldering iron.
When using a soldering iron with a high temperature tip, finish soldering as quickly as possible
(within three seconds at 350 °C max.).
Mounting of the resistors with excessive or insufficient wetting amount of solder may affect the
connection reliability or the performance of the resistors. Carefully check the effects and apply a proper
amount of solder for use.
When the resistors' protective coatings are chipped, flawed, or removed, the characteristics of the
resistors may be impaired. Take special care not to apply mechanical shock during automatic mounting
or cause damage during handling of the boards with the resistors mounted.
Do not apply shock to the resistors or pinch them with a hard tool (e.g. pliers and tweezers). Otherwise,
the resistors' protective coatings and bodies may be chipped, affecting their performance.
Avoid excessive bending of printed circuit boards in order to protect the resistors from abnormal stress.
Do not immerse the resistors in solvent for a long time.
Before using solvent, carefully check the effects of immersion.
Do not apply excessive tension to the terminals.
01-Oct-19
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