Carbon Film Fixed Resistors (CFR/CCR)-Shenzhen wanliansheng Technology Co., Ltd

碳素皮膜电阻器

Carbon Film Fixed Resistors (CFR/CCR)

1.Stable performance ,extensive resistance ,small size ,high operating temperature and high ultimate voltage.

性能性能稳定、阻值范围广、体积小、工作温度和极限电压较高。

2.High adaptive pulse load ,good high frequency performance .脉冲负荷适应性强，高频特性好。

3.Operating ambient temperature 使用环境温度 :-55°C~+125°C

4.Resistance tolerance 阻值误差 : ±2%,±5%,±10%.

Service hotline：
0755-27606841

Product details

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種類 Type	定格電力 Rated power	最高使用電壓 Maximum working voltage	最高過負荷電壓 Maximum overload voltage	絕緣耐電壓 Dielectric withstanding voltage	阻值範圍(Ω) Resistance Range(Ω)
CF1/8W	0.125W	200V	400V	300V	1Ω~10MΩ
CF1/4W	0.25W	250V	500V	350V	1Ω~10MΩ
CF1/2W	0.5W	350V	700V	400V	1Ω~10MΩ
CF1W	1W	500V	800V	450V	1Ω~10MΩ
CF2W	2W	500V	1000V	450V	1Ω~10MΩ
CF3W	3W	500V	1000V	500V	1Ω~10MΩ
CF5W	5W	500V	1000V	500V	1Ω~10MΩ

種類 Type	尺寸 Dimensions
種類 Type	L	ψD	ψd±0.05	l±2.0
CF1/8W	3.2±1.0	1.8±0.5	0.40	29
CF1/4W	6.5±1.0	2.3±0.5	0.41	27
CF1/2W	9.0±1.0	3.2±0.5	0.50	26
CF1W	11.5±1.0	4.5±1.0	0.60	25
CF1W	11.5±1.0	4.5±1.0	0.60	30
CF2W	15.5±1.0	5.0±1.0	0.60	23
CF2W	15.5±1.0	5.0±1.0	0.60	33
CF3W	17.5±1.5	6.0±1.0	0.65	32
CF3W	17.5±1.5	6.0±1.0	0.65	38
CF5W	24.5±1.5	8.0±1.0	0.70	35

Test Item 测试项目	Test Condition 测试条件	Performance 性能
Temperature Coefficient 温度系数	The resistance value at normal temperature and normal temperature added 100°C, calculate per °C resistance value change rate. 在常温及常温+100°C时分别测量电阻值并计算每度的阻值变化。	±1000ppm/°C
Short Time overload 短时间过负荷	2.5×rated voltage or Max. overload voltage(get the lower) for 5 seconds. 施加2.5倍额定电压或最高负荷电压（取较小者）5秒。	R≤±(1%R0+0.05Ω)
Pulse overload 断续过负荷	At 4×rated voltage or Max. pulse overload voltage(get the lower)cycle 10000±200times(1second on,25 seconds off). 4倍额定电压或最高负荷断续电压（取较小者）测试1秒，停25秒，循环10000±200次。	R≤±(2%R0+0.05Ω)
Resistance to soldering Heat 耐焊接热	Immerge into the 350±10°C tin stove for 2~3seconds. 在350±10°C锡炉中浸入2~3秒。	R≤±(1%R0+0.05Ω)
Solderability 可焊性	Immerge into the 245±3°C tin stove for 2~3seconds. 在245±3°C锡炉中浸入2~3秒。	The soldering area is over 95%
Temperature cycling 温度循环	At -55°C for 30 min. ,then at+25°C for 10~15°C,then at +125°C for 30 min., then at +25°C for 10~15 min., total 5cycles. 在-55°C时放置30分钟，然后在+25°C时放置10~15分钟，然后再在+275°C时放置30分钟，接着在+25°C时放置10~15分钟，共循环5次。	R≤±(1%R0+0.05Ω)
Load life in humidity 耐湿负荷寿命	Overload rated voltage or Max. working voltage(get the lower) for 1000 hours(1.5hours on and 0.5 hours off) at the 40±2°C and 90~95% relative humidity. 在温度为40±2°C，相对湿度为90~95%的恒温恒湿箱中，施加额定电压或最大工作电压（取较小者）共1000小时（通电0.5小时，断电0.5小时）	R≤±(5%R0+0.05Ω)
Load life in heat 耐温负荷寿命	Overload rated voltage or Max. working voltage(get the lower) for 1000 hours(1.5hours on and 0.5 hours off) at the 70±2°C. 在温度为70±2°C的恒温恒湿箱中，施加额定电压或最大工作电压（取较小者）共1000小时（通电0.5小时，断电0.5小时）	R≤±(5%R0+0.05

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