UniOhm
Feature (
特性
)
•
•
•
•
High quality performance
高品质
Great economy
½成本
Flame retardant type available
可提供不燃性涂装
Automatically insertable
适用自动化插件
Carbon Film Fixed Resistors
碳膜电阻器
RoHS Compliant
Part No.
料号
Type
类型
Power Rating
功率
Dimension (
尺寸
) (mm)
D
L
70°C
d±0.05
H ± 3
最大工½电压 最大过负荷电压
Max.Working
Voltage
Max. Overload
Voltage
Dielectric Withstanding
Voltage
绝缘耐压
Resistance Range
阻值范围
Normal Size (
正常尺寸
)
CFR0W8
CFR0W4
CFR0W2
CFR01W
CFR02W
CFR-12
CFR-25
CFR-50
CFR-100
CFR-200
1/8W
1/4W
1/2W
1W
2W
1.9±0.3
2.2±0.3
3.0±0.6
3.3±0.3
6.5±1.0
9.5±1.0
0.45
0.54
0.54
0.70
0.75
28
28
28
28
28
200V
250V
350V
500V
500V
400V
500V
700V
1000V
1000V
400V
500V
700V
1000V
1000V
1Ω ~ 1MΩ
1Ω ~ 10MΩ
1Ω ~ 10MΩ
1Ω ~ 10MΩ
1Ω ~ 10MΩ
5.0±0.6 15.5±1.0
6.0±0.6 17.5±1.0
Small Size & Extra Small Size (
小型及超小型尺寸
)
CFR0S4
CFR0U2
CFR0S2
CFR01S
CFR02S
CFR03S
CFR-25-S
CFR-50-SS
CFR-50-S
CFR-100-S
CFR-200-S
CFR-300-S
1/4W
1/2W
1/2W
1W
2W
3W
1.9±0.3
2.2±0.5
3.0±0.5
3.3±0.3
6.5±1.0
9.0±1.0
0.45
0.54
0.54
0.65
0.70
0.75
28
28
28
28
28
28
200V
250V
350V
500V
500V
500V
400V
500V
700V
1000V
1000V
1000V
400V
250V
700V
1000V
1000V
1000V
1Ω ~ 1MΩ
1Ω ~ 10MΩ
1Ω ~ 10MΩ
1Ω ~ 10MΩ
1Ω ~ 10MΩ
1Ω ~ 10MΩ
4.0±0.6 11.5±1.0
5.0±0.6 15.5±1.0
6.0±0.6 17.5±1.0
•
•
•
•
Standard E-24 series values in ±5%, ±10% & ±20% tolerance
标准E-24系列公差为±5%、±10%
& ±20%阻值
Standard Beige base color, Light Brown color for CFR01S, CFR02S & CFR03S
正常尺寸产品涂标准米黄色底漆，CFR01S,
CFR02S & CFR03S涂浅棕色底漆
Standard Grayish-green base color (Non-Flammable coating) for CFR0U2 (CFR-50-SS)
CFR0U2 (CFR-50-SS)涂标准灰绿色（不燃性）底漆
For any special inquiry such as too Low or too High ohmic values is available on a case to case basis
特殊要求，含超高、超½阻值也可特别安排生产
Derating Curve (
降功率曲线
)
Percent rated load (%)
Ambient temperature (环境温度)(°C)
负½½比率(%)
1
Carbon Film Fixed Resistors
RoHS Compliant
碳膜电阻器
UniOhm
Performance Specification (
性½
)
Temperature coefficient
温度系数
±300PPM/°C for ≤10Ω;
±450PPM/°C for 11Ω ~ 99KΩ;
0 ~ -700PPM/°C for 100KΩ ~1MΩ;
0 ~ -1500PPM/°C for 1.1MΩ ~10MΩ.
ΔR/R ≤ ±(1%+0.05Ω),
with no evidence of mechanical damage (
无可见机械损伤
)
≥10,000MΩ
No evidence of flashover, mechanical damage, arcing or insulation breakdown
无击穿、飞弧及可见机械损伤
Short-time overload
短时间过负荷
Insulation resistance
绝缘电阻
Dielectric withstanding voltage
绝缘耐压
Terminal strength
端子强度
No evidence of mechanical damage (
无可见机械损伤
)
ΔR/R ≤ ±(1%+0.05Ω),
with no evidence of mechanical damage (
无可见机械损伤
)
Min. 95% coverage (
最少
95%
覆盖率
)
No deterioration of protective coating and markings (
包封层，色码完整
)
ΔR/R ≤ ±(1%+0.05Ω),
with no evidence of mechanical damage (
无可见机械损伤
)
Normal type (
正常尺寸
):
ΔR/R ± 3% for <100KΩ, ±5% for ≥100KΩ;
Flame retardant type (
不燃性
):
ΔR/R ± 5% for <100KΩ, ±10% for ≥100KΩ
Normal type (
正常尺寸
):
ΔR/R ±2% for <56KΩ, ±3% for ≥56KΩ;
Flame retardant type (
不燃性
):
ΔR/R ±5% for <100KΩ, ±10% for ≥100KΩ
Soldering heat
耐焊接热
Solderability
可焊性
Resistance to solvent
耐溶剂
Temperature cycling
温度循环
Load life in humidity
湿度寿½
Load life
负½½寿½
Ordering Procedure (Example:
CFR 1/4WS Flame Retardant type 5% 10KΩ T/B-5000)
订购方式
(
例如
: CFR 1/4WS
不燃性
5% 10KΩ T/B-5000)
C F R F S 4 J 0 1 0 3 A 5 0
Product Type (产品类型):
CFR= Carbon Film Fixed Resistors
(碳膜固定电阻)
Wattage (功率):
Normal size (
正常尺寸
):
WG = 1/16W
W8 = 1/8W
W6 = 1/6W
W4 = 1/4W
W2 = 1/2W
1W = 1W
2W = 2W
Small size (
小尺寸
):
S4 = 1/4W-S
S3 = 1/3W-S
S2 = 1/2W-S
1S = 1W-S
2S = 2W-S
3S = 3W-S
Extra small size (
超小尺寸
):
U2 = 1/2W-SS
Resistance Value (阻值)
:
5% & 10% (E-24 series):
the 1
st
digit is “0”, the 2
nd
& 3
rd
digits are for the significant figures of
the resistance and the 4
th
indicate
the numbers of zeros following;
5%,10%
产品
(E-24
系列阻值
):
第
1
½是
0,
第
2、3
½表示
阻值的有效数 , 第
4
½表示
有几个
0.
2% (E-96 series):
the 1
st
to 3
rd
digits are for the
significant figures of the resistance
and the 4
th
indicate the numbers of
zeros following.
2%
产品
(E-96
系列阻值
):
第
1~3
½表示阻值的有效
数 , 第
4
½表示有几个
0.
Packing Qty.
(包装数量):
1 = 1,000pcs
2 = 2,000pcs
3 = 3,000pcs
4 = 4,000pcs
5 = 5,000pcs
A = 500pcs
B = 2,500pcs
0 = Bulk/Box
(
散装品
)
Additional Information (注):
0 = NIL (
标准品
)
Special Feature (特征):
0 = Standard (
标准产品
)
F = Flame Retardant (
阻燃型
)
I = Non-Inductive (
无感型
)
Tolerance (公差):
G = ± 2%
J = ± 5%
K = ± 10%
Packing Type (包装类型):
A = Tape/Box (
编带
/
盒装
)
T = Tape/Reel (
编带
/
卷装
)
B= Bulk/Box (
散装
/
盒装
)
P = Tape/Box of PT-26 product
编带
(PT-26
产品
) /
盒装
2
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