Carbon Film Fixed Resistors
Features
Automatically insertable
High quality performance
Non-flame type available
Cost effective and commonly used
Too low or too high ohmic value can be supplied on a case-to-case basis
Explanation of Part Number and Ordering Procedure:
1
2
3
4
5
6
7
8
9
10
11
12
B
Resistance Tolerance
Packing Type
F ~
±1%,
J ~
±5%,
G ~
±2%
K ~
±10%
A ~ Tape/Box
B ~ Bulk/Box
Series Code
C ~ Carbon film fixed resistors.
L ~ Non-Flame carbon film fixed
resistors.
U ~ Non-Inductive.
1 ~ Cutting semi-finished product.
2 ~ Welding semi-finished product.
Nominal Resistance Value
1. E – 6,E – 12, E – 24 series
a) Normally, for these series, the box
No. 6 is “0”.
b) Boxes No.7 & 8 are for the Ohmic
Value.
Power Rating
W8 ~ 1/8W,
W4 ~ 1/4W,
W3 ~ 1/3W,
W2 ~ 1/2W,
1W ~ 1W,
2W ~ 2W,
T2 ~ 1/2W-SS
S4 ~ 1/4W-S
S3 ~ 1/3W-S
S2 ~ 1/2W-S
1S ~ 1W-S
2S ~ 2W-S
3S ~ 3W-S
c) Box No.9 is for the multiplier or
indication for No. of zeros.
2. E – 96 series
a)
Boxes No.6 to 8 are for the Ohmic
F ~ F Type,
M ~ M Type,
0 ~ PT-52 mm
1 ~ PT-26 mm
Suffix for Special Features
T ~ Tape/Reel
Assistance Code
Usually is “0”
As: F(3) Type = 3
AVI(2) = 2 etc.
Resistor Type
Coated Resistors
P ~ Panasert, 8 ~ PT-58 mm
T ~ T Type,
V ~ AVI Type
2 ~ Lead wire 28mm
7 ~ Lead wire 38mm
9 ~ PT-64 mm
Value.
b)
Box No.9 is for the multiplier or
indication for No. of zeros.
Decimal point is expressed by:
“J” – 0.1, “K” – 0.01, “L” – 0.001
Ex
: 2Ω26 ~ 226K, 226Ω ~ 2260
10
Carbon Film Fixed Resistors
(1) Copper Plated Steel Lead Wire Type
Part number of box No.2 as follows:
P ~ Copper plated steel wire carbon film fixed resistors
V ~ Tin copper plated steel wire carbon film fixed resistors
R ~ Copper plated steel wire Non-Flame carbon film fixed resistors
X ~ Tin copper plated steel wire Non-Flame carbon film fixed resistors
Dimension & Rating
Style
CP-12
CP-25
CP-33-S
CP-33
CP-50-S
Power Rating
at 70°C
1/8W (0.125W)
1/4W (0.25W)
1/3W
1/3W
1/2W (0.5W)
D Max.
1.85
2.5
2.5
3.0
3.0
Dimension (mm)
L Max. d ± 0.02
3.5
6.8
6.8
9.0
9.0
0.5
0.5
0.5
0.5
0.5
H±3
28
28/38
28/38
28
28
Max. Working
Voltage
200V
250V
300V
300V
350V
Max. Overload
Voltage
400V
500V
600V
600V
700V
Resistance
Range
1
Ω
~10M
Ω
1
Ω
~10M
Ω
1
Ω
~10M
Ω
1
Ω
~10M
Ω
1
Ω
~10M
Ω
(2) Cutting Type
This kind of resistor is without coating
Cutting type resistors are special requirements of customers
Too low or too high ohmic value can be supplied on a case-to-case basis
Cap plated: a) Tin plated
b) Nickel plated
Dimension
Part no.
BIW8
BIW4
BIW4
BIW4
Style
CO-12
CO-25
CO-25A
CO-25B
Power Rating at 70°C
0.125W
0.25W
0.25W
0.25W
Dimension (mm)
D Max.
L Max.
1.6
2.2
2.2
2.2
3.2
5.8
6.0
6.6
Resistance Range
1
Ω
~ 10M
Ω
1
Ω
~ 10M
Ω
1
Ω
~ 10M
Ω
1
Ω
~ 10M
Ω
12
Carbon Film Fixed Resistors
Performance Specifications:
Characteristics
Test Methods
RANGE
≤
10Ω
11Ω - 99KΩ
100KΩ - 1MΩ
1.1MΩ - 10MΩ
Limits
T.C.R.
0 ~
±
350PPM /
°C
0 ~ - 450PPM /
°C
0 ~ - 700PPM /
°C
0 ~ - 1500PPM /
°C
Natural resistance change per temp. degree centigrade.
R
2
-R
1
Temperature coefficient
x 10
6
(PPM/°C)
JIS - C - 5202 5.2
R
1
(t
2
-t
1
)
R
1
: Resistance value at room temperature (t
1
).
R
2
: Resistance value at room temp. plus 100°C (t
2
).
Dielectric withstanding Resistors shall be clamped in the trough of a 90
°
metallic
V- block and shall be tested at AC potential respectively
voltage
specified in the above list for 60 + 10 / -0 seconds.
JIS - C - 5202 5.7
Resistance change after continuous five cycles for duty
cycle specified below :
Step
Temperature
Time
Temperature cycling
1
−55°C ±
3°C
30 minutes
JIS - C - 5202 7.4
2
Room temp.
10 - 15 minutes
3
+155°C ±
3°C
30 minutes
4
Room temp.
10 - 15 minutes
Short - time overload Permanent resistance change after the application of a
JIS - C - 5202 5.5
potential of 2.5 times RCWV for 5 seconds.
No evidence of flashover mechanical damage,
arcing or insulation breaks down.
Resistance change rate is
±
(1% + 0.05Ω)
No evidence of mechanical damage.
Resistance change rate is
±
(1% + 0.05Ω)
No evidence of mechanical damage.
Resistance value
∆
R/R
Resistance change after 1,000 hours operating at RCWV
Less than 100KΩ
±
3%
Normal type
Load life in humidity with duty cycle of (1.5 hours “on”, 0.5 hour “off”) in a
100KΩ or more
±
5%
humidity test chamber controlled at 40°C
±
2°C and 90 to
JIS - C - 5202 7.9
Less than 100KΩ
±
5%
Non-Flame
95% relative humidity.
type
100KΩ or more
±
10%
Resistance value
∆
R/R
Less than 56KΩ
±
2%
Permanent resistance change after 1,000 hours operating
Normal type
Load life
56KΩ or more
±
3%
at RCWV with duty cycle of (1.5 hours “on”, 0.5 hour
JIS - C - 5202 7.10
“off”) at 70°C
±
2°C ambient
Non-Flame
Less than 100KΩ
±
5%
type
100KΩ or more
±
10%
Resistors shall be clamped in the trough of a 90
°
metallic
Insulation resistance
V - block and shall be tested at DC potential respectively Insulation resistance is 10,000 MΩ Min.
JIS - C - 5202 5.6
specified in the above list for 60 + 10 / -0 seconds.
Direct load:
Resistance to a 2.5 kgs. direct load for 10
seconds in the direction of the longitudinal axis of the
terminal leads.
Twist test:
Terminal leads shall be bent through 90° at a
Terminal strength
No evidence of mechanical damage.
point of about 6mm from the body of the resistor and
JIS - C - 5202 6.1
shall be rotated through 360° about the original axis of
the bent terminal in alternating direction for a total of 3
rotations.
Resistance to soldering Permanent resistance change when leads immersed to 3.2
Resistance change rate is
±
(1% + 0.05Ω)
heat
to 4.8mm from the body in 350°C
±
10°C solder for 3
±
0.5
No evidence of mechanical damage.
JIS - C - 5202 6.4
seconds
The area covered with a new, smooth, clean, shiny and
continuous surface free from concentrated pinholes.
Solderability
95% coverage Min.
Test temp. of solder: 235°C
±
5°C
JIS - C - 5202 6.5
Dwell time in solder: 3 +0.5/ -0 seconds
Resistance to solvent Specimens shall be immersed in a bath of trichroethane
No deterioration of protective coating and
JIS - C - 5202 6.9
completely for 3 mins. with ultrasonic.
markings.
Rated Power
×
Resistance Value
*RCWV= Rated Continuous Working Voltage =
13
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