Resistor Units
1 Gigaohm (G) = 1,000 Megaohms (M) = 1,000,000 Kiloohms (K) = 1,000,000,000 Ohms ()
1 Megaohm (M) = 0.001 Gigaohm (G) = 1,000 Kiloohms (K) = 1,000,000 Ohms ()
1 Kiloohm (K) = 0.000001 Gigaohm (G) = 0.001 Megaohm (M) = 1,000 Ohms ()
Main Inspection Items, Test Methods, and Performance Requirements
Inspection Items:
Resistance Temperature Coefficient
Solderability
Resistance to Soldering Heat
Steady State Damp Heat
Rapid Change of Temperature
Vibration
Long-term Load
Lead Strength
Power Reduction
Performance Requirements:
Resistance Temperature Coefficient: ±200(x10^-6/°C)
Solderability: The solder must freely flow and wet the leads.
Resistance to Soldering Heat: R±(0.5%R+0.052)
Steady State Damp Heat: R±(2%R+0.12)
Rapid Change of Temperature: R±(1%R+0.052)
Vibration: R±(1%R+0.052)
Long-term Load: R±(5%R+0.050)
Lead Strength: R±(0.5%R+0.052)
Test Methods:
Resistance Temperature Coefficient: -55°C/+20°C to 20°C/+155°C
Solderability: 235±5°C for 2±0.5s
Resistance to Soldering Heat: 260+5°C for 10+1s
Steady State Damp Heat: +40±2°C with 95~98% humidity for 240h
Rapid Change of Temperature: -55°C/+125°C, 5 cycles
Vibration: 10~500Hz, 98m/s^2
Long-term Load: +40±2°C at VR for 1000h
Lead Strength: 10N, bent twice
Power Reduction: When the ambient temperature reaches 300°C, the resistor can reduce the load from rated power to 0.
Accuracy : 5%
Resistance Tolerance : 5%
Package Type : Throught Hole
Model Number : RI80
Technology : Wirewound
Type : Wirewound Resistor