高精度焊脚型采样电阻

详细介绍

高精度焊脚型采样电阻特征Features

l 1,3,5瓦1，3,5 Watts

l ±5%和±1%精度Tolerance ±5% or ±1%

l 电阻温度系数TCR ±20 ppm/℃或±50 ppm/℃

l 阻值低至0.0025欧 Resistance values down to 0.0025ohms

l 耐高温 High temperature proof

l 电感小于10纳亨保赢投注法Low Inductance

l 引脚镀锡易于焊锡 Solderable copper leads

l 符合ROHS 要求Lead-free

l 特殊规格可以订做

l Special tight toleranceare available on request

采样电阻电气参数Electrical Data

	HO-SR-1	HO-SR-3	H0-SR-5
85℃时功率 Power rating at 85℃ watts	1	3	5
阻值范围保赢投注法Resistance range ohms	0.005Ω to 0.01Ω	0.003Ω to 0.10Ω	0.005Ω to 0.05Ω

保赢投注法*Contact factory for values below 0.001 ohm

尺寸规格 Dimensions Data

订货请提供:跨距和引脚

采样电阻

线径

NOTE

保赢投注法Contact factory for

1,Variations of “w”

保赢投注法 dimension

2.Different lead

Diameter Test Point

保赢投注法Kelvin connection

采样电阻

应用范围 Applications

l 电流采样 Current Sensing

l 反馈电路保赢投注法 Feedback

l 低电感电路保赢投注法Low Inductance

l 大电流脉冲电路保赢投注法Surge and pulse

包装Packaging

散装，每包装保赢投注法1000PCS bulk, 1000PCS per package

采样电阻工作特性 performance Data

TEST	CONDITIONS OF TEST	TEST LIMITS
保赢投注法Thermal Shock	-55℃保赢投注法 to ,100 cycles ,15min at each extreme	±（1.0%+0.0005Ω△R
保赢投注法Shot time overload	保赢投注法5xrated power for 5s	±（0.5%+0.0005Ω）△R
Low temperature storage	-65℃保赢投注法 for 45 min	±（0.5%+0.0005Ω）△R
保赢投注法High temperature expo-sure	1000 h at +170℃	±（1.0%+0.0005Ω）△R
保赢投注法Bias humidity	+85℃保赢投注法85% RH, 10% bias, 1000 h	±（0.5%+0.0005Ω）△R
Mechanical shock	100 g’s for 6 ms, 5 pulses	±（0.5%+0.0005Ω）△R
Vibration	保赢投注法Frequency varied 10 Hz to 200 Hz in 1 min, 3directions,12h	±（0.5%+0.0005Ω）△R
保赢投注法Resistance to solder heat	1000 h at + 70 ℃, 1.5 h“ON”, 0.5 h “OFF”	±（1.0%+0.0005Ω）△R
Resistance to solder heat	+ 260 ℃ solder, 10 s to 12 s dwell, 25 m m/s emergence	±（0.5%+0.0005Ω）△R
保赢投注法Moisture resistance	MIL-STD-202, method 106, 0 % power, 7a and 7b not re-quired	±（0.5%+0.0005Ω）△R