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LX803MERP is listed in the Triacs range at ChipApex. The manufacturer field lists Littelfuse Inc.. Its product description is TRIAC SENS GATE 600V 0.8A TO92. Review the specifications below when checking this part for your BOM.
Triacs specifications for LX803MERP
- Description：TRIAC SENS GATE 600V 0.8A TO92
- Series：-
- Mfr：Littelfuse Inc.
- Package：Tape & Reel (TR)
- Triac Type：Logic - Sensitive Gate
- Voltage - Off State：600 V
- Current - On State (It (RMS)) (Max)：800 mA
- Voltage - Gate Trigger (Vgt) (Max)：1.3 V
- Current - Non Rep. Surge 50, 60Hz (Itsm)：8A, 9.5A
- Current - Gate Trigger (Igt) (Max)：3 mA
- Current - Hold (Ih) (Max)：5 mA
- Configuration：Single
- Operating Temperature：-40°C ~ 110°C (TJ)
- Mounting Type：Through Hole
- Package / Case：TO-226-3, TO-92-3 (TO-226AA) Formed Leads
- Supplier Device Package：TO-92
Triacs datasheet and documents for LX803MERP
Triacs Overview
The Littelfuse LX803MERP is a bidirectional triac from the LX8 series, housed in a TO-92 through-hole package. It supports an RMS on-state current of 800 mA and a non-repetitive peak on-state current of 8 A. The device features a rated repetitive peak off-state voltage (VDRM) of 600 V with a maximum leakage current of 5 uA at VDRM. Key electrical parameters include an on-state voltage of 1.6 V, a holding current maximum of 5 mA, and a gate trigger voltage of 1.3 V. Gate trigger currents are specified as 3 mA and 5 mA. The component operates within a temperature range of -40 C to +110 C.
Triacs Feature Summary
- Integrated sensitive gate control for reliable triggering
- Glass-passivated junctions for parameter stability
- Bidirectional AC switching capability
Triacs Applications
- AC phase control circuits
- Lighting dimmer applications
- Temperature modulation controls
Triacs Procurement Notes
Verify the specific Littelfuse datasheet for the LX803MERP to confirm RoHS compliance status and REACH SVHC details before integration. Ensure the ordering suffix matches the required packaging format, such as cut tape or reel, as availability varies by distributor. Cross-reference the manufacturer part number directly to avoid substitution errors with similar LX8 series variants.
Triacs Selection Notes
Select this component when a 600 V blocking voltage and 800 mA continuous current rating are required in a compact TO-92 form factor. The sensitive gate characteristics make it suitable for low-power drive circuits. Verify that the application's peak transient currents remain below the 8 A limit and that the operating environment stays within the specified -40 C to +110 C thermal range.
Triacs Part Context
The LX803MERP belongs to the Littelfuse LX8 series of thyristors. This series focuses on providing robust AC switching solutions in small packages. The device utilizes glass-passivated junction technology to ensure long-term reliability and stable electrical parameters under varying thermal conditions typical in consumer and industrial electronics.
Triacs Replacement Considerations
The LX807MEAP is a verified substitute within the same LX8 series, offering identical 800 mA and 600 V ratings but with different gate trigger current specifications.
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