Carbon film fixed Resistors
Type CFR Series
Key Features
Low Cost –
High Reliability
High power to
size ratio
5 power
ratings –
0.25W ~ 2W
Applications
Audio
Communications
Measurement
Computing
The resistive element comprises a thin film of carbon, deposited onto a high thermal
conductivity 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
CFR16
CFR25
CFR50
CFR100
CFR200
Rated power @ 70°C (W)
0.25
0.33
0.5
1
2
Min
1R0
1R0
1R0
1R0
1R0
Resistance Range Ω
Max
4M7
10M
10M
10M
10M
Tolerance (%)
2
5
Code Letter
G
J
≤10R
±350
11R-99K
0 ~ -450
T.C.R. (PPM/°C)
100K-1M0
0 ~ -700
≥1M1
0 ~ -1500
Selection Series
E24
Limiting Element Voltage (V)
200
250
350
500
500
Max. Overload Voltage¹ (V)
400
500
700
1000
1000
Max Intermittent Overload
500
700
750
750
750
Voltage²(V)
Operating temperature range
-55 ~ +155
Climatic Category
55/155/56
Dielectric strength (V)
400
500
700
1000
1000
Insulation Resistance (MΩ) Min.
10000
¹Maximum Overload Voltage is 2.5 times rated voltage up to the specified voltage for 5 seconds.
²Maximum 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 08/2015
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
Carbon film fixed Resistors
Dimensions
Type
L¹max.
D Max.
D ±0.05
I ±3
CFR16
3.5
1.85
0.45
28
CFR25
6.8
2.5
0.54
28
CFR50
9.0
3.0
0.54
28
CFR100
12.0
5.0
0.70
25
CFR200
16.0
5.5
0.70
28
¹Length is measured in accordance with IEC 294
Derating curve
Surface Temperature vs Load
1773195 CIS WR 08/2015
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
Carbon film fixed Resistors
Marking
Resistors are marked with a four colour band code in accordance with IEC 62 on a
beige base colour
Color
Black
Brown
Red
Orange
Yellow
Green
Blue
Violet
Grey
White
Gold
Silver
None
1st
Figure
0
1
2
3
4
5
6
7
8
9
2nd
Figure
0
1
2
3
4
5
6
7
8
9
Multiplier
1
10
100
1,000
10,000
100,000
1,000,000
10,000,000
100,000,000
1,000,000,000
0.1
0.01
Letter
Tolerance
Percent
F
G
±1%
±2%
D
C
B
±0.5%
±0.25%
±0.1%
J
K
M
±5%
±10%
±20%
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
1773195 CIS WR 08/2015
Box Quantity
5000
4000
3000
1000
1000
Dimensions in
millimetres unless
otherwise specified
Std. Tape Spacing
52
52
52
52
64
Dimensions Shown for
reference purposes only.
Specifications subject to
change
Component Spacing
5
5
5
10
10
For Email, phone or live chat,
go to: www.te.com/help
Carbon film fixed Resistors
Performance Characteristics
Ref 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% +0.1Ω)
Climatic Sequence
Damp heat, steady state
Endurance @ 70°C
Endurance @ 155°C
Short term Tests ±(1% +0.05Ω)
Overload
Robustness of terminations
Resistance to soldering heat
Rapid change of temperature
Vibration
How To Order
CFR
Common Part
CFR – Carbon Film
Resistor
1773195 CIS WR 08/2015
Dimensions in
millimetres unless
otherwise specified
16
Size
16 – 0.25W
25 – 0.33W
50 – 0.50W
100 – 1.00W
200 – 2.00W
J
Tolerance
G – 2%
J – 5%
Dimensions Shown for
reference purposes only.
Specifications subject to
change
100R
Value
1Ω - 1R0
1KΩ (1,000Ω) - 1K0
100KΩ(100,000Ω) – 100K
1MΩ(1,000,000Ω) – 1M0
For Email, phone or live chat,
go to: www.te.com/help
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