Milliohm Resistors HMR
  • Milliohm Resistors HMRMilliohm Resistors HMR

Milliohm Resistors HMR

Milliohm Resistors HMR Features: 1.Low resistance value, the least can be meet 0.005Ω. 2.Operating ambient temperature : -55°C~+125°C 3.Can be according to customers requirement to forming the special type. 4.Resistance tolerance: ±1%.±5%±10%

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Product Description

Milliohm Resistors HMR



Products

Milliohm Resistors HMR

 Features

1.Low resistance value, the least can be meet 0.005Ω.

2.Operating ambient temperature : -55°C~+125°C
3.Can be according to customers requirement to forming the special type.

4.Resistance tolerance: ±1%.±5%±10%

Performance  Test 

Test Item

Test Condition

Performance

Temperature coefficient

Test the resistance value at normal temperature and normal temperature added 100°C,calculate per °C resistance value change rate. 

 

±100ppm/°C

Resistance to soldering heat

Immerge into the 350±10°C tin stove for 2~3seconds.

ΔR≤±0.5%R0 

Solderability

Immerge into the 245±3°C tin stove for 2~3seconds.

The soldering area is over 95%.

Temperature cycling 

At -55°C for 30min,then at +25°C for 10-15min,then at +125°C for 30min,then at +25°C for 10-15min,total 5cycles.

 

ΔR≤±0.5%R0

Load life in humidity

Overload rated voltage or Max. working voltage(get the lower )for 1000 hours(1.5hours on and half-hour off)at the 40±2°C and 90~95% relative humidity.

 

ΔR≤ ±2% R0

Load life in heat

Overload rated voltage or Max. Working voltage(get the lower) for 1000 hours(1.5hours on and 0.5 hours off) at the 70±2°C.

 

ΔR≤ ±2% R0

 




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