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Product Detailed Parameters
- Description：TRIAC ALTERNISTOR 800V 30A TO263
- Series：QJxx30xH4
- Mfr：IXYS
- Package：Tape & Reel (TR),Cut Tape (CT)
- Triac Type：Alternistor - Snubberless
- Voltage - Off State：800 V
- Current - On State (It (RMS)) (Max)：30 A
- Voltage - Gate Trigger (Vgt) (Max)：1 V
- Current - Non Rep. Surge 50, 60Hz (Itsm)：290A, 350A
- Current - Gate Trigger (Igt) (Max)：35 mA
- Current - Hold (Ih) (Max)：60 mA
- Configuration：Single
- Operating Temperature：-40°C ~ 150°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：TO-263-3, D2PAK (2 Leads + Tab), TO-263AB
- Supplier Device Package：TO-263 (D2PAK)
- Grade：-
- Qualification：-
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Overview
The QJ8030NH4RP is a high-temperature Alternistor TRIAC from the QJxx30xH4 series, manufactured by Littelfuse. It features an RMS on-state current of 30 A and a repetitive peak off-state voltage of 800 V. The device operates in quadrants I, II, and III with a maximum gate trigger current of 35 mA. It supports a non-repetitive surge current of 350 A at 60 Hz and maintains a junction temperature range of -40°C to 150°C. Packaged in a TO-263 (D2PAK) surface-mount configuration, it provides electrical isolation for 2500 Vrms.
Feature Summary
- High thermal capability with a maximum junction temperature of 150°C
- Robust surge handling with 350A ITSM at 60Hz half cycle
- Electrically isolated package offering 2500Vrms isolation
- Mechanically robust TO-263 clip-attach assembly
Applications
- Heater control such as coffee brewers and tankless water heaters
- AC solid-state relays
- Light dimmers including incandescent and LED lighting
- Motor speed control in kitchen appliances and power tools
Procurement Notes
Verify the manufacturer designation, as Littelfuse acquired IXYS semiconductor assets. Confirm the specific suffix 'NH4' corresponds to the TO-263 D2PAK package and 35mA gate sensitivity. Ensure compliance with RoHS and halogen-free requirements if specified for the target application environment.
Selection Notes
Select this component for AC power control applications requiring high commutation capability and elevated temperature operation. Consider the 30A RMS rating against the expected load current and derating curves. Verify that the 800V blocking voltage exceeds the peak line voltage plus transients. Ensure the PCB layout accommodates the TO-263 footprint and thermal dissipation needs.
Part Context
This part belongs to the QJxx30xH4 series of high-temperature Alternistor TRIACs. It shares characteristics with other variants in the QJxx35xH4 series but differs in current rating. The N-package denotes the surface-mount TO-263 form factor, distinct from the through-hole L and R packages available in the same series.
Replacement Considerations
Direct replacements within the same family include QJ8035NH4RP for higher current capacity. Cross-brand equivalents should be evaluated based on matching IT(RMS), VDRM, and package dimensions. Verify gate trigger characteristics and thermal resistance values before substitution.
