Thin Film Ultra Precision Resistors
Type RU73 Series
Key Features
High precision TCR 2ppm/°C and
3ppm/°C
Tolerance down to 0.01%
Thin film (nichrome)
Available in standard
and high power versions
Terminal finish –
electroplated 100% matte
Sn
Applications
Communications
Industrial Controls
Instrumentation
Medical
TE Connectivity are proud to introduce this ultra-high precision thin film
chip resistor, sister to our successful RN73 series. With tolerances from
0.01% to 0.1% and TCRs of ±2PPM and ±3PPM this takes the chip
resistor into new areas of stability and precision. Available on tape and
reel for automatic insertion processes, the RU73 is available in 7 case
sizes, with a higher power version available for 0603 to 2010 sizes
Electrical Characteristics – Standard Power RU73
Rated Power @ 70°C
Min
Resistance
Range Ω
Max
Tolerance (%)
Code Letter
T.C.R. (PPM°C)
Code Letter
Selection Series
Max operating Voltage
Max. Overload voltage
Operating Temp. range
Insulation Resistance
(dry min.)
Stability
1773270-1 CIS WR 09/2015
49R9
4K99
0.01
L
2
3
X
O
0402
0.063W
49R9
4K99
0.05
A
2
3
X
O
E24 & E96
25V
50V
-55 ~ +155°C
49R9
4K99
24R9
15K
0.01
L
0.1
B
2
X
3
O
2
X
MΩ
24R9
15K
0.1
B
2
X
3
O
MΩ
0.5%
Dimensions in
millimetres unless
otherwise specified
3
O
0603
0.063W
24R9
15K
0.05
A
2
3
X
O
E24 & E96
50V
100V
-55 ~ +155°C
0.5%
Dimensions Shown for
reference purposes only.
Specifications subject to
change
For Email, phone or live chat,
go to: www.te.com/help
Thin Film Ultra Precision Resistors
Rated Power @ 70°C
Min
Resistance
Range Ω
Max
Tolerance (%)
Code Letter
T.C.R. (PPM°C)
Code Letter
Selection Series
Max operating Voltage
Max. Overload voltage
Operating Temp. range
Insulation Resistance
(dry min.)
Stability
Rated Power @ 70°C
Min
Resistance
Range Ω
Max
Tolerance (%)
Code Letter
T.C.R. (PPM°C)
Code Letter
Selection Series
Max operating Voltage
Max. Overload voltage
Operating Temp. range
Insulation Resistance
(dry min.)
Stability
Rated Power @ 70°C
Min
Resistance
Range Ω
Max
Tolerance (%)
Code Letter
T.C.R. (PPM°C)
Code Letter
Selection Series
Max operating Voltage
Max. Overload voltage
Operating Temp. range
Insulation Resistance
(dry min.)
Stability
0805
0.1W
24R9
30K
0.05
A
24R9
30K
0.01
L
2
X
3
O
2
3
X
O
E24 & E96
100V
200V
-55 ~ +155°C
24R9
30K
0.1
B
2
X
24R9
49K9
0.01
L
3
O
2
X
3
O
MΩ
24R9
49K9
0.01
L
2
X
3
O
0.5%
0.5%
1210
0.25W
24R9
49K9
0.05
A
2010
0.25W
24R9
100K
0.05
A
2
3
X
O
E24 & E96
150V
300V
-55 ~ +155°C
24R9
49K9
0.1
B
2
X
24R9
100K
0.01
L
3
O
2
X
MΩ
2
X
2
3
X
O
E24 & E96
150V
300V
-55 ~ +155°C
2
X
3
O
3
O
2
3
X
O
E24 & E96
150V
300V
-55 ~ +155°C
24R9
100K
0.1
B
2
X
3
O
MΩ
0.5%
2512
0.5W
24R9
100K
0.05
A
3
O
24R9
49K9
0.1
B
MΩ
0.5%
24R9
100K
0.01
L
1206
0.125W
24R9
49K9
0.05
A
2
3
X
O
E24 & E96
150V
300V
-55 ~ +155°C
24R9
100K
0.1
B
2
X
3
O
MΩ
0.5%
Operating Voltage=√ P*R) or Max. operating voltage listed above, whichever is lower.
O erload Voltage= . *√ P*R or Max. o erload oltage listed a o e, hi he er is lo er.
1773270-1 CIS WR 09/2015
Dimensions in
millimetres unless
otherwise specified
Dimensions Shown for
reference purposes only.
Specifications subject to
change
For Email, phone or live chat,
go to: www.te.com/help
Thin Film Ultra Precision Resistors
Electrical Characteristics – High Power RU73P
Rated Power @ 70°C
Min
Resistance
Range Ω
Max
Tolerance (%)
Code Letter
T.C.R. (PPM°C)
Code Letter
Selection Series
Max operating Voltage
Max. Overload voltage
Operating Temp. range
Insulation Resistance
(dry min.)
Stability
Rated Power @ 70°C
Min
Resistance
Range Ω
Max
Tolerance (%)
Code Letter
T.C.R. (PPM°C)
Code Letter
Selection Series
Max operating Voltage
Max. Overload voltage
Operating Temp. range
Insulation Resistance
(dry min.)
Stability
Rated Power @ 70°C
Min
Resistance
Range Ω
Max
Tolerance (%)
Code Letter
T.C.R. (PPM°C)
Code Letter
Selection Series
Max operating Voltage
Max. Overload voltage
Operating Temp. range
Insulation Resistance
(dry min.)
Stability
0603
0.1W
24R9
15K
0.05
A
24R9
15K
0.01
L
2
X
3
O
2
3
X
O
E24 & E96
75V
150V
-55 ~ +155°C
24R9
15K
0.1
B
2
X
24R9
30K
0.01
L
3
O
2
X
3
O
MΩ
24R9
49K9
0.01
L
2
X
3
O
0.5%
0.5%
1206
0.25W
24R9
49K9
0.05
A
1210
0.33W
24R9
49K9
0.05
A
2
3
X
O
E24 & E96
200V
400V
-55 ~ +155°C
24R9
30K
0.1
B
2
X
24R9
49K9
0.01
L
3
O
2
X
2
3
X
O
E24 & E96
200V
400V
-55 ~ +155°C
3
O
3
O
2
3
X
O
E24 & E96
200V
400V
-55 ~ +155°C
24R9
49K9
0.1
B
2
X
3
O
0.5%
2010
0.75W
24R9
49K9
0.05
A
3
O
2
X
MΩ
0.5%
2
X
24R9
30K
0.1
B
MΩ
MΩ
24R9
49K9
0.01
L
0805
0.125W
24R9
30K
0.05
A
2
3
X
O
E24 & E96
150V
300V
-55 ~ +155°C
24R9
49K9
0.1
B
2
X
3
O
MΩ
0.5%
Operating Voltage=√ P*R or Max. operating oltage listed a o e, hi he er is lo er.
O erload Voltage= . *√ P*R or Max. o erload oltage listed a o e, hi he er is lo er.
1773270-1 CIS WR 09/2015
Dimensions in
millimetres unless
otherwise specified
Dimensions Shown for
reference purposes only.
Specifications subject to
change
For Email, phone or live chat,
go to: www.te.com/help
Thin Film Ultra Precision Resistors
Environmental Characteristics
Item
Temperature Coefficient
of Resistance (TCR)
Requirement
Tol. ≤ . %
TOL. >0.05%
As per TCRs specified in Electrical Characteristics
tables
ΔR±0.05%
Short Time Overload
ΔR± .
MΩ
%
Endurance
MIL-STD-202 Method 304
+25/-55/+25/+125/+25°C
JIS-C-5201-1 5.5
RCWV*2.5 or Max. overload voltage
whichever is lower for 5 seconds
MIL-STD-202 Method 302
Apply 100VDC for 1 minute
MIL-STD-202 Method 108A
70±2°C, RCWV for 1000 hrs with 1.5 hrs
ON and . hrs OFF
MIL-STD-202 Method 103B
40±2°C, 90~95% R.H. RCWV for 1000 hrs
with 1.5 hrs ON and . hrs OFF
JIS-C-5201-1 6.1.4
Bending amplitude 3 mm for 10 seconds
MIL-STD-202 Method 208H
245±5°C for 3 seconds
MIL-STD-202 Method 210E
260±5°C for 10 seconds
MIL-STD-202 Method 301
Max. overload voltage for 1 minute
MIL-STD-202 Method 107G
-55°C ~150°C, 100 cycles
JIS-C-5201-1 7.1
1 hour, -65°C, followed by 45 minutes of
RCWV
ΔR±0.2%
>
Insulation Resistance
Test Method
ΔR± . %
>7kΩ ΔR± . %
Damp Heat with Load
ΔR± .
%
ΔR± . %
Bending Strength
ΔR± .
%
ΔR± . %
Solderability
95% min. coverage
Resistance to Soldering
Heat
Dielectric Withstand
Voltage
ΔR± .
Thermal Shock
ΔR± .
%
ΔR± .
Low Temperature
Operation
ΔR± .
%
ΔR± . %
%
ΔR± . %
By Type
%
Storage Temperature: 25±3°C; Humidity < 80%RH
Derating Curve
Power ratio(%)
100
80
60
40
20
0
0
20
40
60
80
100
120
140
160
180
Ambient Temperature(℃)
For resistors operated in ambient temperatures above 70°C, power rating must be derated in accordance with this
curve
1773270-1 CIS WR 09/2015
Dimensions in
millimetres unless
otherwise specified
Dimensions Shown for
reference purposes only.
Specifications subject to
change
For Email, phone or live chat,
go to: www.te.com/help
Thin Film Ultra Precision Resistors
Construction and dimensions
L
D1
W
T
D2
Alumina Substrate
Edge Electrode (NiCr)
Resistor Layer (NiCr)
Top Electrode ( Ag)
External Electrode (Sn)
Marking
Bottom Electrode (Ag)
Barrier Layer (Ni)
Overcoat (Epoxy)
Size
L (mm)
W (mm)
T (mm)
D1 (mm)
D2 (mm)
0402
0603
0805
1206
1210
2010
2512
1.00±0.05
1.55±0.10
2.00±0.15
3.05±0.15
3.10±0.15
4.90±0.15
6.30±0.15
0.50±0.05
0.80±0.10
1.25±0.15
1.55±0.15
2.40±0.15
2.40±0.15
3.10±0.15
0.30±0.05
0.45±0.10
0.55±0.10
0.55±0.10
0.55±0.10
0.55±0.10
0.55±0.10
0.20±0.10
0.30±0.20
0.30±0.20
0.42±0.20
0.40±0.20
0.60±0.30
0.60±0.30
0.20±0.10
0.30±0.20
0.40±0.20
0.35±0.25
0.55±0.25
0.50±0.25
0.50±0.25
Weight (g)
(1000 Pcs.)
0.54
1.83
4.71
9.02
10
23.61
38.06
Suggested PCB Layout Plan
Size
0402
0603
0805
1206
1210
2010
2512
1773270-1 CIS WR 09/2015
Recommended Land Pattern
A
B
0.50
0.50
0.80
1.00
1.00
1.00
2.00
1.15
2.00
1.15
3.60
1.40
4.90
1.60
Dimensions in
millimetres unless
otherwise specified
C
0.60±0.2
0.90±0.2
1.35±0.2
1.70±0.2
2.50±0.2
2.50±0.2
3.10±0.2
Dimensions Shown for
reference purposes only.
Specifications subject to
change
For Email, phone or live chat,
go to: www.te.com/help
Thin Film Ultra Precision Resistors
Marking
Case sizes 0805 to 2512 IEC 4 Digit Marking:
R
1000
Resistance
Code
Ω
K
. kΩ
2201
K
1002
kΩ
99K
4992
99kΩ
K
1003
kΩ
Case Size 0603 E24 3 digit marking – Example 101 = 100R 102=1K0
E24
10
33
11
36
12
39
13
43
15
47
16
51
18
56
20
62
22
68
24
75
27
82
30
91
Case size 0603 E96 3 digit marking – Examples 14C = 13K7 68B = 4K99 68X = 49R9
Code
01
02
03
04
05
06
07
08
09
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
Code
Multiplier
E96
100
102
105
107
110
113
115
118
121
124
127
130
133
137
140
143
147
150
154
158
162
165
169
174
A
⁰
B
10¹
Code
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
C
10²
E96
178
182
187
191
196
200
205
210
215
221
226
232
237
243
249
255
261
267
274
280
287
294
301
309
D
10³
E
Code
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
F
E96
316
324
332
340
348
357
365
374
383
392
402
412
422
432
442
453
464
475
487
499
511
523
536
549
G
H
Code
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
X
E96
562
576
590
604
619
634
649
665
681
698
715
732
750
768
787
806
825
845
866
887
909
931
953
976
Y
⁻¹
Z
⁻
⁻
NB For case size 0603 values other than E24 and E96 resistors will be supplied unmarked.
All resistors smaller than 0603 supplied unmarked.
1773270-1 CIS WR 09/2015
Dimensions in
millimetres unless
otherwise specified
Dimensions Shown for
reference purposes only.
Specifications subject to
change
For Email, phone or live chat,
go to: www.te.com/help
Thin Film Ultra Precision Resistors
Packaging
Packing Quantity and Reel Specification
Size
0402
0603
0805
1206
1210
2010
2512
ØA ±1.0
178.0
ØB ±1.0
60.0
ØC ±0.7
W ±1.0
T ±1.0
Paper Tape
Embossed Plastic Tape
9.5
11.5
1000 / 5000
N/A
13.5
15.5
N/A
4000
13.5
Paper tape Specification
Size
A ±0.05
B ±0.05
0402
0.70
1.16
0603
1.10
1.90
0805
1206
1210
1.60
2.00
2.75
W
±0.10
E
±0.05
F ±0.05
P
P ± .
ØD
2.00
±0.05
8.00
1.75
2.37
3.55
3.40
1773270-1 CIS WR 09/2015
P
3.5
4.00 ±0.10
4.00
±0.10
4.00 ±0.05
Dimensions in
millimetres unless
otherwise specified
Dimensions Shown for
reference purposes only.
Specifications subject to
change
2.00
1.55 ±0.05
1.60 ±0.10
T
0.40
±0.03
0.60
±0.03
0.75
±0.05
For Email, phone or live chat,
go to: www.te.com/help
Thin Film Ultra Precision Resistors
Peel force of top cover tape
The peel speed shall be about 300mm/min±5%
The peel force of top cover tape shall be between 8gf to 60gf
Embossed Plastic Tape Specifications
Top Tape
ψ D0
E
A
F
B
W
ψ D1 1.4Min.
T
P1
Resistor
P2
P0
direction of unreeling
Emboss Tape
Type
A
B
W
E
F
P0
P1
P2
ØD0
T
2010 2.85±0.10 5.45±0.10 12.0±0.10 1.75±0.10 5.5±0.05 4.00±0.05 4.00±0.10 2.00±0.05 1.50+0.10 1.00±0.20
2512 3.40±0.10 6.65±0.10 12.0±0.10 1.75±0.10 5.5±0.05 4.00±0.05 4.00±0.10 2.00±0.05 1.50+0.10 1.00±0.20
Peel force of top cover tape
The peel speed shall be about 300mm/min±5%
The peel force of top cover tape shall be between 20gf to 80g
1773270-1 CIS WR 09/2015
Dimensions in
millimetres unless
otherwise specified
Dimensions Shown for
reference purposes only.
Specifications subject to
change
For Email, phone or live chat,
go to: www.te.com/help
Thin Film Ultra Precision Resistors
Reflow Solder Profile
Reel dimension (mm)
Time of Reflow soldering at maximum temperature point 260°C = 10s
Wave Solder Profile
Qty / Reel
2000
A ±0.5
2
B ±0.5
13.5
C ±0.5
21
D ±1
60
M ±2
178
W ±1
13.8
Handling Recommendations
When flow soldering - the land width must be smaller than the Chip Resistor
width to properly control the solder application. Generally, the land width
can be Chip Resistor width (W) x 0.7 to 0.8. When reflow soldering – solder
Time of Wave soldering at maximum temperature point 260°C = 10s
application amount can be adjusted. Thus the land width can be set to W x
1.0
Timetoof1.3.
Soldering Iron at maximum temperature point 410°C = 5s
How To Order
RU73
Common
Part
RU73 –
Standard
power
RU73P –
High power
X To Order 2A
How
100R
B
TD
TCR
Package
Value
Tolerance
Packaging
3521 Size
1K0
F
T
X - ±2ppm/°C
1E - 0402
100R
L – ±0.01%
TDF – 1000 reel
Common Part
Tolerance (1E,Pack
1J, 2A,Style
2B)
1J – 0603Resistance Value
Ω
O - ±3ppm/°C
2A – 0805
A
±0.05%
1 ohm 1R0
TD – 5000 reel
2B – 1206
1K0
(1E, 1J, 2A, 2B, 2E)
2E – 1210
Ω
B - ±0.1%
2H – 20101K ohm 1000 ohms
TET– –
4000
reel
3A
- 2512
10K
1K0
3521
F – 1%
2000
(2H, 3A only
(10,
Ω
J – 5%
reel
)
1 Meg ohm
1000000 ohms
1M0
1773270-1 CIS WR 09/2015
Dimensions in
millimetres unless
otherwise specified
Dimensions Shown for
reference purposes only.
Specifications subject to
change
For Email, phone or live chat,
go to: www.te.com/help
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