邮箱：ho01@moolee.com.cn
地址：深圳市龙华区观湖街道松轩社区虎地排85号锦绣三期C栋2001
咨询热线
0755-81488408
189-2601-3721
企业：深圳市leyu.乐鱼(集团)有限公司
联系人：高小姐
电话：0755-8148 8408
手机：189 2601 3721
网址：www.moolee.com.cn www.milliohm.net (新官网）
邮箱：ho01@moolee.com.cn
传真：0755-22630181
地址：深圳市龙华区观湖街道松轩社区虎地排85号锦绣三期C栋2001
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 |
HO-SR-1 | 10±1mm | 5±3mm | 3.5±0.7mm | 1.0±0.1mm | 1.65±0.2mm |
HO-SR-3 | 15±1mm | 20max | 3.5±0.7mm | 1.0±0.1mm | 1.65±0.2mm |
HO-SR-5 | 20±1mm | 25max | 3.5±0.7mm | 1.0±0.1mm | 1.65±0.2mm |
订货请提供:跨距和引脚
线径
NOTE
Contact factory for
1,Variations of “w”
dimension
2.Different lead
Diameter Test Point
Kelvin connection
采样电阻
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
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 ,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 |
功率曲线 Power Derating
电气性能 Electrical Features
温度系数曲线 TCR Derating
