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地址：深圳市龙华区观澜镇大布头路280号南通邦高新产业园A栋8楼
几字型焊接采样电阻特征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
电气参数Electrical Data
HOLR-1 | HOLR-3 | HOLR-5 | |
85℃时功率 Power rating at 85℃ watts | 1 | 3 | 5 |
阻值范围Resistance range ohms | 0.005Ω to 0.01Ω | 0.003Ω to 0.10Ω | 0.005Ω to 0.05Ω |
*Contact factory for values below 0.001 ohm
尺寸规格 Dimensions Data
Type | W | H | D | E | F |
JSR-1 | 10±1mm | 5±3mm | 4.5±0.7mm | 0.8±0.1mm | 2.0±3.0mm |
JSR-3 | 15±1mm | 20max | 4.5±0.7mm | 0.8±0.1mm | 2.0±4.0mm |
JSR-5 | 20±1mm | 25max | 4.5±0.7mm | 0.8±0.1mm | 2.4±6.0mm |
应用范围 Applications
l 电流采样 Current Sensing
l 反馈电路 Feedback
l 低电感电路Low Inductance
l 大电流脉冲电路Surge and pulse
包装Packaging
l 散装，每包装1000PCS bulk, 1000PCS per package
采样电阻工作特性 performance Data
TEST | CONDITIONS OF TEST | TEST LIMITS |
Thermal Shock | -55℃to 150℃,100cycles ,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,10s to12 s dwell, 25 mm/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 |
功率曲线 Power Derating
采样电阻电气性能 Electrical Features
