上海高精度焊腳型采樣電阻

詳細介紹

高精度焊腳型采樣電阻特征Features

l 1,3,5瓦1，3,5 Watts

l ±5%和±1%精度Tolerance ±5% or ±1%

l 電阻溫度系數(shù)TCR ±20 ppm/℃或±50 ppm/℃

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

l 耐高溫 High temperature proof

l 電感小于10納亨Low Inductance

l 引腳鍍錫易于焊錫 Solderable copper leads

l 符合ROHS 要求Lead-free

l 特殊規(guī)格可以訂做

l Special tight toleranceare available on request

采樣電阻電氣參數(shù)Electrical Data

*Contact factory for values below 0.001 ohm

尺寸規(guī)格 Dimensions Data

訂貨請?zhí)峁?/span>:跨距和引腳

采樣電阻

線徑

NOTE

Contact factory for

1,Variations of “w”

dimension

2.Different lead

Diameter Test Point

Kelvin connection

采樣電阻

應(yīng)用范圍 Applications

l 電流采樣 Current Sensing

l 反饋電路 Feedback

l 低電感電路Low Inductance

l 大電流脈沖電路Surge and pulse

包裝Packaging

散裝，每包裝1000PCS bulk, 1000PCS per package

采樣電阻工作特性 performance Data

TEST	CONDITIONS OF TEST	TEST LIMITS
Thermal Shock	-55℃ to ,100 cycles ,15min at each extreme	±（1.0%+0.0005Ω△R
Shot time overload	5xrated power for 5s	±（0.5%+0.0005Ω）△R
Low temperature storage	-65℃ for 45 min	±（0.5%+0.0005Ω）△R
High temperature expo-sure	1000 h at +170℃	±（1.0%+0.0005Ω）△R
Bias humidity	+85℃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	Frequency varied 10 Hz to 200 Hz in 1 min, 3directions,12h	±（0.5%+0.0005Ω）△R
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
Moisture resistance	MIL-STD-202, method 106, 0 % power, 7a and 7b not re-quired	±（0.5%+0.0005Ω）△R