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L4X8E8 is listed in the Triacs range at ChipApex. The manufacturer field lists Littelfuse Inc.. Its product description is TRIAC SENS GATE 400V 0.8A TO92. Review the specifications below when checking this part for your BOM.
Triacs specifications for L4X8E8
- Description：TRIAC SENS GATE 400V 0.8A TO92
- Series：-
- Mfr：Littelfuse Inc.
- Package：Bulk
- Triac Type：Logic - Sensitive Gate
- Voltage - Off State：400 V
- Current - On State (It (RMS)) (Max)：800 mA
- Voltage - Gate Trigger (Vgt) (Max)：1.3 V
- Current - Non Rep. Surge 50, 60Hz (Itsm)：8.3A, 10A
- Current - Gate Trigger (Igt) (Max)：10 mA
- Current - Hold (Ih) (Max)：15 mA
- Configuration：Single
- Operating Temperature：-65°C ~ 110°C (TJ)
- Mounting Type：Through Hole
- Package / Case：TO-226-3, TO-92-3 (TO-226AA)
- Supplier Device Package：TO-92
Triacs datasheet and documents for L4X8E8
Triacs Overview
The Littelfuse L4X8E8 is a sensitive gate TRIAC designed for AC switching and phase control applications. It features an RMS on-state current of 800 mA and a rated repetitive off-state voltage of 400 V. The device operates within a temperature range of -65°C to +110°C and utilizes a TO-92-3 through-hole package. Key electrical parameters include a maximum holding current of 10 mA, a gate trigger voltage of 2 V, and a gate trigger current of 10 mA. Non-repetitive peak on-state currents are specified at 8.3 A and 10 A.
Triacs Feature Summary
- Sensitive gate design enabling direct interfacing with microprocessor drivers
- Bi-directional solid state switching capability for AC circuits
- Robust thermal management suitable for high-temperature environments
Triacs Applications
- Motor speed control systems
- Temperature modulation circuits
- General AC phase control applications
Triacs Procurement Notes
Verify the specific suffix code against official Littelfuse documentation to confirm exact gate trigger characteristics. Ensure the procurement channel provides valid RoHS compliance data. Confirm that the TO-92-3 package matches the required PCB footprint. Validate the manufacturing lead time of 15 weeks with the supplier prior to finalizing orders.
Triacs Selection Notes
Select this component when low gate drive power is required for precise phase control. The 400V rating suits standard low-voltage AC mains applications. Consider the 800mA RMS limit for load sizing. The sensitive gate architecture simplifies driver circuit complexity compared to standard gate devices.
Triacs Part Context
This part belongs to the Teccors line of sensitive gate TRIACs from Littelfuse. The series offers current capabilities up to 8A and voltage ranges from 200V to 1200V. The L4X8E8 specifically targets low-power AC switching needs within the broader family of bi-directional solid state switches.
Triacs Replacement Considerations
L4X8E6: Similar 400V/0.8A TRIAC but with different gate trigger current specifications (5-10mA). L4X8E3: Similar 400V/0.8A TRIAC with lower gate trigger current (3mA). Verify gate sensitivity requirements before substituting.
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