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Product Detailed Parameters
- Description：TRIAC SENS GATE 600V 4A TO251
- Series：-
- Mfr：STMicroelectronics
- Package：Tube
- Triac Type：Logic - Sensitive Gate
- Voltage - Off State：600 V
- Current - On State (It (RMS)) (Max)：4:00 AM
- Voltage - Gate Trigger (Vgt) (Max)：1.3 V
- Current - Non Rep. Surge 50, 60Hz (Itsm)：30A, 31A
- Current - Gate Trigger (Igt) (Max)：5 mA
- Current - Hold (Ih) (Max)：10 mA
- Configuration：Single
- Operating Temperature：-40°C ~ 125°C (TJ)
- Mounting Type：Through Hole
- Package / Case：TO-251-3 Short Leads, IPAK, TO-251AA
- Supplier Device Package：TO-251 (IPAK)
- Grade：-
- Qualification：-
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Overview
The T405-600H is a logic-level sensitive gate triac manufactured by STMicroelectronics, rated for 600 V repetitive peak off-state voltage and 4 A RMS on-state current. It utilizes Snubberless technology to ensure high commutation performance without external snubber circuits. Key electrical parameters include a non-repetitive surge current of 38 A, a maximum holding current of 10 mA, and an on-state voltage of 1.5 V. The device operates within a junction temperature range of -40°C to +125°C and is housed in an IPAK through-hole package.
Feature Summary
- Logic-level sensitivity enables direct drive from microcontrollers or low-power logic gates.
- Snubberless design eliminates the need for external RC networks across the main terminals.
- High surge current capability supports robust operation with inductive loads.
Applications
- Universal motor control in power tools
- Electro-valve actuation systems
- Kitchen appliance motor drives
Procurement Notes
Verify the specific suffix 'H' against official datasheets to confirm the IPAK through-hole package variant. Ensure the order quantity aligns with standard factory packaging configurations. Confirm RoHS compliance status and lead times directly with authorized distributors prior to finalizing procurement orders.
Selection Notes
Select this component when a 600 V blocking voltage and 4 A continuous current rating are required for AC load switching. The logic-level gate sensitivity makes it suitable for designs where MCU GPIO pins cannot provide high trigger currents. Verify that the IPAK package thermal dissipation meets the application's heat management requirements.
Part Context
This part belongs to the T405 series of sensitive gate triacs from STMicroelectronics. The series is characterized by its compatibility with low-power control interfaces and its ability to handle AC inductive loads efficiently. The T405-600H specifically denotes the 600 V voltage rating and the H package style.
Replacement Considerations
Direct replacements must match the 600 V / 4 A rating and IPAK package. Consider other T405 series variants with different voltage ratings if system requirements change. Verify pinout compatibility before substituting with components from other manufacturers.
