High-Temperature Sensitive, Standard, and Alternistor TRIACs
Littelfuse's TRIACs are well-suited for IoT applications that require compact design but do not involve continuous high currents
Littelfuse's high-temperature sensitive, standard, and alternistor TRIAC's combination of space-saving packaging, high-temperature capabilities, and choice of current ratings makes them well-suited for Internet of Things (IoT) applications that require compact design but do not involve continuous high currents.
- High junction temperature (TJ) of +150°C
- Up to 8 ARMS AC control in a compact surface-mount package
- Clip-attach assembly combined with high maximum junction temperature of +150°C
- Gives larger thermal margin in design
- Allows for smaller board sizes in low power applications like LED lighting, solenoid drives, and motor drives
- Ensures higher surge capability to withstand short-duration overload conditions
- Appliances
- Building automation
- Industrial control
- Motor control small and large appliances
- Lighting AC controls
4 Amp TRIACs
| Image | Manufacturer Part Number | Description | Current - On State (It (RMS)) (Max) | Available Quantity | Price | View Details | |
|---|---|---|---|---|---|---|---|
![]() | QJ4004D4RP | TRIAC 400V 4A TO252 | 4 A | 2429 - Immediate | $202.21 | View Details | |
![]() | QJ4004D3RP | TRIAC 400V 4A TO252 | 4 A | 2674 - Immediate 5000 - Factory Stock | $209.67 | View Details | |
![]() | QJ6004D4RP | TRIAC 600V 4A TO252 | 4 A | 931 - Immediate | $227.37 | View Details | |
![]() | QJ6004D3RP | TRIAC 600V 4A TO252 | 4 A | 288 - Immediate | $238.56 | View Details | |
![]() | LJ4004D8RP | TRIAC SENS GATE 400V 4A TO252 | 4 A | 1925 - Immediate | $191.96 | View Details | |
![]() | LJ6004D8RP | TRIAC SENS GATE 600V 4A TO252 | 4 A | 2075 - Immediate | $213.40 | View Details |
6 Amp TRIACs
| Image | Manufacturer Part Number | Description | Current - On State (It (RMS)) (Max) | Available Quantity | Price | View Details | |
|---|---|---|---|---|---|---|---|
![]() | ![]() | QJ4006DH4RP | TRIAC ALTERNISTOR 400V 6A TO252 | 6 A | 475 - Immediate | $226.44 | View Details |
![]() | ![]() | QJ4006DH3RP | TRIAC ALTERNISTOR 400V 6A TO252 | 6 A | 4487 - Immediate | $230.17 | View Details |
![]() | ![]() | QJ6006DH4RP | TRIAC ALTERNISTOR 600V 6A TO252 | 6 A | 2299 - Immediate | $243.22 | View Details |
![]() | ![]() | QJ6006DH3RP | TRIAC ALTERNISTOR 600V 6A TO252 | 6 A | 2698 - Immediate | $246.94 | View Details |
![]() | ![]() | LJ4006D8RP | TRIAC SENS GATE 400V 6A TO252 | 6 A | 2500 - Immediate | $215.26 | View Details |
![]() | ![]() | LJ6006D8RP | TRIAC SENS GATE 600V 6A TO252 | 6 A | 2184 - Immediate | $237.62 | View Details |
8 Amp TRIACs
| Image | Manufacturer Part Number | Description | Current - On State (It (RMS)) (Max) | Available Quantity | Price | View Details | |
|---|---|---|---|---|---|---|---|
![]() | ![]() | QJ4008DH4RP | TRIAC ALTERNISTOR 400V 8A TO252 | 8 A | 2616 - Immediate | $233.90 | View Details |
![]() | ![]() | QJ4008DH3RP | TRIAC ALTERNISTOR 400V 8A TO252 | 8 A | 2361 - Immediate | $234.83 | View Details |
![]() | ![]() | QJ6008DH4RP | TRIAC ALTERNISTOR 600V 8A TO252 | 8 A | 2435 - Immediate | $250.67 | View Details |
![]() | ![]() | QJ6008DH3RP | TRIAC ALTERNISTOR 600V 8A TO252 | 8 A | 0 - Immediate | $250.67 | View Details |
![]() | ![]() | LJ4008D8RP | TRIAC SENS GATE 400V 8A TO252 | 8 A | 2668 - Immediate | $232.03 | View Details |
![]() | ![]() | LJ6008D8RP | TRIAC SENS GATE 600V 8A TO252 | 8 A | 189 - Immediate | $254.40 | View Details |


