精密焊接电阻

详细介绍

精密焊接电阻特征Features

2瓦2Watts

±1%,±2%，±5%精度Tolerance ±1%,±2%，±5%

l 电阻温度系数TCR±50ppm/℃or±100ppm/℃

l 阻值低至0.0002欧

l Resistance values down to 0R001 ohms

l 铜接头Copper connectors

l 产品卓越，性能长期稳定Excellent long term stability

l 适合安装在DBC/IMS板上

l Ideal suited for mounting on DBC/IMS substrate

l 安装方式：回流式焊接 Mounting:reflow soldering

l 兼容 AEC-Q200 AEC-Q200 compliant

l 符合R0HS要求lead-free

l 特殊规格可以订做

Special tight toleranceare available on request

尺寸规格 Dimensions Data

工作特性 performance Data

TEST	CONDITIONS OF TEST	TEST LIMITS
Thermal Shock	-55℃to,150℃,1000cycles ,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