QJxx30LH4 Series 30 A High-Temperature Alternistor TRIACs
Littelfuse's alternistor TRIACs enable easier thermal management and higher surge-handling capability in AC power control applications
Littelfuse's 30 A high-temperature alternistor TRIAC is offered in a TO-220 isolated package and has a +150°C maximum junction temperature with 350 A ITSM (60 Hz). This series enables easier thermal management and higher surge-handling capability in AC power control applications such as heater controls, motor speed controls, lighting controls, and static switching relays. Littelfuse's alternistor TRIAC operates in quadrants I, II, and III and offers high performance in applications requiring high commutation capability.
- High TJ: +150°C
- Voltage capability: up to 800 V
- Surge capability: 350 A at 60 Hz half-cycle
- Mechanically and thermally robust TO-220 clip-attach assembly
- Electrically isolated for 2,500 VRMS
- Halogen-free and RoHS compliant
- Heater controls such as coffee brewers, tankless water heaters, and infrared heaters
- AC solid-state relays
- Light dimmers including incandescent and LED lighting
- Motor speed control in kitchen appliances, power tools, home/brown/white goods, and light industrial applications such as compressor motor controls
QJxx30LH4 Series Alternistor TRIACs
| Image | Manufacturer Part Number | Description | Mounting Type | Package / Case | Supplier Device Package | Available Quantity | Price | View Details | |
|---|---|---|---|---|---|---|---|---|---|
![]() | ![]() | QJ8030RH4TP | TRIAC ALTERNISTOR 800V 30A TO220 | Through Hole | TO-220-3 | TO-220 | 679 - Immediate | $5.55 | View Details |
![]() | ![]() | QJ8030NH4RP | TRIAC ALTERNISTOR 800V 30A TO263 | Surface Mount | TO-263-3, D2PAK (2 Leads + Tab), TO-263AB | TO-263 (D2PAK) | 970 - Immediate | $6.44 | View Details |
![]() | ![]() | QJ8030NH4TP | TRIAC ALTERNISTOR 800V 30A TO263 | Surface Mount | TO-263-3, D2PAK (2 Leads + Tab), TO-263AB | TO-263 (D2PAK) | 823 - Immediate | $6.44 | View Details |




