The resistive element comprises a thin film of carbon, deposited onto a high thermal con-
ductivity ceramic core. Metal end caps are force fitted to the element prior to spiralling to
value. Tinned copper lead wires are welded to the end caps and the components are then
coated. One coat of phenolic resin is followed by three coats of epoxy resin. All resistors
are tested for value and tolerance.
Characteristics -
Electrical
Rated Power @ 70 °C (W)
Resistance Range (Ohms)
Tolerance (%)
Code letter
Temp. Coefficient
(ppm/°C)
CFR16
0.25
1R0
4M7
CFR25
0.33
1R0
10M
2
G
up to 10R
11R - 99K
100K - 1M0
1M1 - 10M
±350
0 to -450
0 to -700
0 to -1500
200
400
500
±350
0 to -450
0 to -700
0 to -1500
250
500
700
±350
0 to -450
0 to -700
0 to -1500
E24
350
700
750
-55 to +155
55/155/56
700
1000
CFR50
0.5
1R0
10M
5
J
±350
0 to -450
0 to -700
0 to -1500
500
1000
750
±350
0 to -450
0 to -700
0 to -1500
500
1000
750
CFR100
1
1R0
10M
CFR200
2
1R0
10M
Min
Max
Selection Series
Limiting Element Voltage (V)
Max Overload Voltage
1
(V)
Max Intermittent Overload Voltage
2
(V)
Operating Temp. Range (°C)
Climatic Category (°C)
Dielectric Strength (V)
Insulation Resistance (Mohms)
1
2
400
500
1000
1000
Maximum Overload Voltage is 2.5 times rated voltage up to the specified voltage for 5 seconds.
Maximum Intermittent Overload Voltage is 4 times rated voltage up to the specified voltage for 1 second ON and 25 seconds OFF. >100R
ONLY
1773195 CIS WR 09/2011
Dimensions are in millimeters
and inches unless otherwise
specified. Values in brackets
are standard equivalents.
Dimensions are shown for
reference purposes only.
Specifications subject
to change.
For email, phone or live chat, go to:
te.com/help
Carbon Film Fixed Resistors
Type CFR Series
Dimensions
Style
CFR16
CFR25
CFR50
CFR100
CFR200
L* max.
3.5
6.8
9.0
12.0
16.0
D max.
1.85
2.5
3.0
5.0
5.5
d ±0.05
0.45
0.54
0.54
0.70
0.70
I
28 ± 3
28 ± 3
28 ± 3
25 ± 3
28 ± 3
* Length is measured in accordance with IEC 294
Derating Curve
100
Surface Temperature Rise vs Load
80
CFR16 CFR25 CFR50
CFR100
Temperature Rise (°C)
Percent Rated Power
80
60
40
20
0
40
60 70 80
100
120
140
160
Ambient Temperature (°C)
60
CFR200
40
20
0
0 0.125 0.25 0.375 0.5
0.75
1
2
Power Dissipation (W)
Marking
The resistors are marked with a four colour band code in accordance with IEC 62 on greyish green base color.
Mounting
The resistors are suitable for processing on automatic insertion equipment and cutting and bending machines.
Packaging
Carbon film resistors are normally supplied taped in 'ammo' boxes. Other styles may be supplied on request.
All tape specifications are in accordance with IEC 286-1.
Type
CFR16
CFR25
CFR50
CFR100
CFR200
Box
Quantity
5000
4000
3000
1000
500
Std. Tape
Spacing
52
52
52
52
64
Component
Spacing
5
5
5
10
10
1773195 CIS WR 09/2011
Dimensions are in millimeters
and inches unless otherwise
specified. Values in brackets
are standard equivalents.
Dimensions are shown for
reference purposes only.
Specifications subject
to change.
For email, phone or live chat, go to:
te.com/help
Carbon Film Fixed Resistors
Type CFR Series
Performance Characteristics
The evaluation of the performance characteristics is carried out with reference to IECQ specifications
QC 400 000 and QC 400 100.
TEST REF
4.23
4.24
4.25.1
4.25.3
TEST REF
4.13
4.16
4.18
4.19
4.22
Long Term Tests ±(5% + 0.1 ohm)
Climatic sequence
Damp heat, steady state
Endurance at 70°C
Endurance at 155°C
Short Term Tests ±(1% + 0.05 ohm)
Overload
Robustness of terminations
Resistance to soldering heat
Rapid change of temperature
Vibration
How to Order
CFR
Common Part
16
Size
16
25
50
100
200
-
-
-
-
-
0.25
0.33
0.50
1.00
2.00
W
W
W
W
W
J
Tolerance
100R
Value
1 ohm
(1 ohms) 1R0
1K ohm
(1000 ohms) 1K0
100K ohm
(100000 ohms) 100K
1M ohm
(1000000 ohms) 1M0
CFR - Carbon Film
Resistor
G - 2%
J - 5%
TE Connectivity and the TE connectivity (logo) are trademarks.
Other logos, product and Company names mentioned herein may be trademarks of their respective owners.
While TE has made every reasonable effort to ensure the accuracy of the information in this datasheet, TE does not guarantee that it is error-free, nor does TE make any other
representation, warranty or guarantee that the information is accurate, correct, reliable or current. TE reserves the right to make any adjustments to the information contained herein
at any time without notice. TE expressly disclaims all implied warranties regarding the information contained herein, including, but not limited to, any implied warranties of merchantabili-
ty or fitness for a particular purpose. The dimensions in this datasheet are for reference purposes only and are subject to change without notice. Specifications are subject to change
without notice. Consult TE for the latest dimensions and design specifications.
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