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Product Detailed Parameters
- Description：TRIAC ALTERNISTOR 800V 35A TO220
- Series：QJxx35xH4
- Mfr：IXYS
- Package：Tube
- Triac Type：Alternistor - Snubberless
- Voltage - Off State：800 V
- Current - On State (It (RMS)) (Max)：35 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：Through Hole
- Package / Case：TO-220-3
- Supplier Device Package：TO-220
- Grade：-
- Qualification：-
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Overview
The QJ8035RH4TP is a bidirectional TRIAC manufactured by Littelfuse under the IXYS brand, designed for high-temperature applications. It features an RMS on-state current of 35 A and a rated repetitive off-state voltage of 800 V. The device supports non-repetitive on-state currents of 290 A and 350 A at 50 Hz and 60 Hz respectively. Key electrical parameters include a maximum holding current of 60 mA, a gate trigger voltage of 1 V, and a gate trigger current of 35 mA. It operates within a temperature range of -40°C to +150°C and utilizes a TO-220R-3 through-hole package.
Feature Summary
- High-temperature capability with operation up to +150°C
- Standard Alternistor design for robust switching performance
- Through-hole mounting in a TO-220R-3 package
Applications
- Industrial motor control systems
- High-power heating element regulation
- Solid-state relay implementations
Procurement Notes
Verify manufacturer attribution carefully, as sources list both Littelfuse and IXYS. Confirm RoHS compliance status directly from the datasheet. Check lead times, which are cited as 12 weeks. Ensure the specific suffix RH4TP matches the required voltage and current ratings for the intended circuit design.
Selection Notes
Select this component when an 800 V blocking voltage and 35 A continuous current capacity are required. The TO-220R-3 package facilitates heat dissipation for high-power scenarios. Consider the 1 V gate trigger voltage for driver compatibility. Verify thermal management requirements given the +150°C maximum junction temperature rating.
Part Context
This part belongs to the QJxx30xH8 series of standard high-temperature TRIACs. It serves as a power switching solution for AC circuits requiring reliable performance under thermal stress. The product line targets industrial applications where durability and high current handling are critical.
Replacement Considerations
Cross-reference with similar 800V 35A TRIACs in the TO-220 package. Verify pinout compatibility and thermal resistance values before substitution. Ensure gate trigger characteristics match the driving circuit constraints.
