NCR 50*25 Thick Film Power Type Chip Resistor-Tai Wang Jia (Huizhou) Electronics co.,Ltd.

NCR

厚膜功率型片式电阻
Thick Film Power Type Chip Resistor

产品特点Product Features

1.高功率密度。High Power Density.

2.电阻范围宽。Wide Resistance Range.

3.高操作温度。High Operating Temperature.

4.符合RoHS 标准。RoHS Compliant.

5.无感平面封装。Non-Inductive planar package.

6.电源在电路板上方耗散。Power dissipated above the board.

7.用于高密度PCB 安装的薄封装。Thin package for high density PCB installation.

应用范围Application Scope

电源预载电阻器、不间断电源系统、缓冲器和脉冲处理电路、脉冲发生器负载电阻器、浪涌电流保护。

Power supply pre-load resistors、UPS systems、Snubber and pulse handling circuits、Pulse generator load resistors、In-rush current protection.

性能试验Performance Test

测试项目 Items	规范 Specification	测试条件 Conditions
[敏感词]工作电压 Operating Voltage Max	300Vac, 500VDC	-
工作温度范围 Operating Temp Range	-55～+155℃	-55～+155℃
负载寿命 Load Life	ΔR ±2%	70℃，90 分钟开，30 分钟关，1000 小时 70°C, 90 min. ON, 30 min.OFF, 1000 hours
耐湿测试 Humidity	ΔR ±0.5%	温度 85℃，湿度 85%，直流 0.1W，1000 小时 85°C, 85% RH, DC 0.1W, 1000 hours.
温度循环 Temperature Cycle	ΔR ±0.5%	-55℃，30 分钟；+155℃，30 分钟，5 次循环 -55°C, 30 min；+155°C 30min., 5cycles.
耐焊接热 Resistance to Soldering Heat	ΔR ±0.25%	260±5℃，10 秒 260 ± 5 ℃, 10 seconds
可焊性 Solderability	[敏感词] 95%覆盖率 Min 95% coverage	230±5℃，5 秒 230±5°C, 5 seconds.

降额曲线Derating Curve

规格参数Specifications

订购信息Ordering Information：

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