Metal Film (Thin Film) Chip Resistors,
High Reliability Type
ERA A type
ERA 1A, 2A, 3A, 6A, 8A series
Features
: Stable at high temperature and humidity
(85 ℃ 85 %RH rated load, Category temperature range : –55 ℃ to +155 ℃)
:
Low resistance tolerance and Temperature Coefficient of Resistance
● High accuracy
: Low current noise, excellent linearity
● High performance
: IEC 60115-8, JIS C 5201-8, JEITA RC-2133C
● Reference standard
● AEC-Q200 compliant (except ERA1A)
● RoHS compliant
● High reliability
■ As for packaging methods, land pattern, soldering conditions and safety precautions,
please see data files.
Explanation of part numbers
Note : Please check the "Ratings" for the presence/absence of part numbers for combinations of the symbols below.
● E24 series
1
2
3
4
5
6
7
8
9
10
E
R
A
3
A
E
B
1
0
2
Product code
Temp. coefficient
Size, Power rating
Code
Thin film
chip resistors
T.C.R.
Tolerance
±10×10 /K
W
±0.05 %
±15×10-6/K
B
±0.1 %
E
±25×10-6/K
C
±0.25 %
0.125 W
H
±50×10-6/K
D
±0.5 %
0.25 W
K
±100×10-6/K
Code
0201
0.05 W
R
2A
0402
0.063 W
P
3A
0603
0.1 W
6A
0805
8A
1206
-6
V
Resistance value
Resistance tolerance
Code
inch size Power rating
1A
11
Packaging methods
Consist of three figures
for E24 series resistance
value.
The first two digits are
significant figures of
resistance and the third
one denotes number of
zeros following.
(example) 102 : 1 kΩ
Code
Packaging
Part No.
C
Pressed carrier taping
2 mm pitch, 15,000 pcs
ERA1A
X
Punched carrier taping
2 mm pitch, 10,000 pcs
ERA2A
V
Punched carrier taping
4 mm pitch, 5,000 pcs
ERA3A
ERA6A
ERA8A
● E96 series and other Resistance values
1
2
3
4
5
6
7
8
9
10
E
R
A
3
A
E
B
1
0
5
Product Code
Thin film
chip resistors
Size, Power rating
Temp. coefficient
Resistance tolerance
Code
T.C.R.
Code
Tolerance
1A
0201
0.05 W
R
±10×10-6/K
W
±0.05 %
2A
0402
0.063 W
P
±15×10-6/K
B
±0.1 %
3A
0603
0.1 W
E
±25×10-6/K
C
±0.25 %
6A
0805
0.125 W
H
±50×10-6/K
D
±0.5 %
8A
1206
0.25 W
K
±100×10-6/K
Code
inch size Power rating
11
12
V
1
Resistance value
Consist of four figures for
E96 series resistance
value.
The first three digits are
significant figures of
resistance and the fourth
one denotes number of
zeros following.
(example)
1051 : 1.05 kΩ
Packaging methods
Code
Packaging
Part No.
C
Pressed carrier taping
2 mm pitch, 15,000 pcs
ERA1A
X
Punched carrier taping
2 mm pitch, 10,000 pcs
ERA2A
V
Punched carrier taping
4 mm pitch, 5,000 pcs
ERA3A
ERA6A
ERA8A
Note : Duplicated resistance values as E24 series part umbers shall follow E24 part numbers.
(apply three digit resistance value)
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.
1-Jul-21
Metal Film (Thin Film) Chip Resistors, High Reliability Type
Ratings
Part No.
(inch size)
ERA1A
(0201)
Power
rating*1
(85 ℃)
(W)
Limiting
element
voltage*2
(V)
Maximum
overload
voltage*3
(V)
Part No.
(detail)
Resistance
tolerance
(%)
ERA1AEB
±0.1
±0.25
±0.25
±0.1
±0.05
±0.5
±0.5
±0.25
±0.1
±0.25
±0.1
±0.25
±0.1
±0.5
±0.5
±0.25
±0.1
±0.25
±0.1
±0.25
±0.1
±0.05
±0.5
±0.5
±0.25
±0.1
±0.25
±0.1
±0.25
±0.1
±0.05
±0.5
±0.5
±0.25
±0.1
±0.25
±0.1
±0.25
±0.1
±0.05
ERA1AEC
0.05
25
50
ERA1ARC
ERA1ARB
ERA1ARW
ERA2AKD
ERA2AED
ERA2AEC
ERA2A
(0402)
0.063
50
100
ERA2AEB
ERA2APC
ERA2APB
ERA2ARC
ERA2ARB
ERA3AHD
ERA3AED
ERA3AEC
ERA3A
(0603)
ERA3AEB
0.1
75
150
ERA3APC
ERA3APB
ERA3ARC
ERA3ARB
ERA3ARW
ERA6AHD
ERA6AED
ERA6AEC
ERA6A
(0805)
ERA6AEB
0.125
100
200
ERA6APC
ERA6APB
ERA6ARC
ERA6ARB
ERA6ARW
ERA8AHD
ERA8AED
ERA8AEC
ERA8A
(1206)
ERA8AEB
0.25
150
300
ERA8APC
ERA8APB
ERA8ARC
ERA8ARB
ERA8ARW
(×10-6/K)
±25
±10
Category
temperature
range
(℃)
Resistance
range*4 *5
(Ω)
T.C.R.
100 to 10 k
(E24,E96)
100 to 10 k
(E24,E96)
±100
1 k to 10 k
10 to 46.4
(E24,E96)
(E24,E96)
±25
47 to 100 k
(E24,E96)
±15
200 to 47 k
(E24,E96)
±10
200 to 47 k
(E24,E96)
±50
10 to 46.4
(E24,E96)
±25
47 to 330 k
(E24,E96)
±15
470 to 100 k
±10
1 k to 100 k
(E24,E96)
±50
10 to 46.4
(E24,E96)
±25
47 to 1 M
(E24,E96)
±15
470 to 100 k
±10
1 k to 100 k
(E24,E96)
±50
10 to 46.4
(E24,E96)
±25
47 to 1 M
(E24,E96)
±15
470 to 100 k
±10
1 k to 100 k
AEC-Q200
Grade
-
Grade 1
(E24,E96)
–55 to +155
Grade 0
(E24,E96)
(E24,E96)
(E24,E96)
*1: Use it on the condition that the case temperature is below the upper category temperature.
*2: Rated Continuous Working Voltage (RCWV) shall be determined from RCWV=√Power Rating × Resistance Values,
or Limiting Element Voltage listed above, whichever less.
*3: Overload Test Voltage (OTV) shall be determined from OTV=Specified Magnification (2.5) × RCWV or Maximum Overload
Voltage listed above, whichever less.
*4: E192 series resistance values are also available. Please contact us for details.
*5: Duplicated resistance values between E96, E192 and E24 series shall follow E24 Part Numbers.
(apply three digit resistance value)
Power derating curve
100
For resistors operated in ambient temperatures
accordance with the figure on the right.
80
Rated load (%)
above 85 ℃, power rating shall be derated in
85 ℃
-55 ℃
60
40
20
0
-60
155 ℃
-40 -20
0
20
40
60
80
100 120 140 160 180
Ambient temperature (℃)
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.
1-Jul-21
Metal Film (Thin Film) Chip Resistors, High Reliability Type
Construction
Protective coating
Electrode (Inner)
Electrode (Middle)
Alumina substrate
Electrode (Outer)
High reliability metal film
*0201/0402 size or E96 series do not have value markings.
Dimensions (not to scale)
a
L
W
T
b
Unit : mm
Part No.
ERA1A
ERA2A
ERA3A
ERA6A
ERA8A
L
0.60±0.03
1.00±0.10
1.60±0.20
2.00±0.20
3.20±0.20
W
0.30±0.03
0.50+0.10/-0.05
0.80±0.20
1.25±0.10
1.60+0.05/-0.15
Dimensions
a
0.15±0.05
0.15±0.10
0.30±0.20
0.40±0.25
0.50±0.25
b
0.15±0.05
0.25±0.10
0.30±0.20
0.40±0.25
0.50±0.25
T
0.23±0.03
0.35±0.05
0.45±0.10
0.50±0.10
0.60±0.10
Mass (Weight)
(Reference)
(g/1000 pcs)
0.14
0.6
2
4
8
Performance
Damp heat,
Steady state
Performance
requirements ⊿R
Within specified
tolerance
Within specified
T. C. R.
R