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L0109ME is listed in the Triacs range at ChipApex. The manufacturer field lists Littelfuse Inc.. Its product description is TRIAC SENS GATE 600V 1A TO92. Review the specifications below when checking this part for your BOM.
The Littelfuse L0109ME is a bidirectional thyristor (triac) from the EV Series, designed for sensitive gate triggering in a TO-92 through-hole package. It features a 600 V rated repetitive off-state voltage and an RMS on-state current of 1 A. The device supports non-repetitive surge currents up to 12 A at 60 Hz and maintains a peak on-state voltage of 1.6 V. Operating within a junction temperature range of -40°C to +125°C, it offers a maximum holding current of 10 mA and a gate trigger current of 10 mA.
Verify the specific ordering suffix against official Littelfuse documentation to confirm the exact voltage rating and packaging configuration. Confirm compliance requirements such as RoHS status directly with the manufacturer or authorized distributors before finalizing procurement specifications.
Select this component when a 600 V blocking voltage is required alongside a 1 A RMS current capacity. Ensure the application utilizes a TO-92 through-hole mounting style. Verify that the circuit design accommodates the specified 10 mA gate trigger current and thermal dissipation limits for the intended operating environment.
This part belongs to the Littelfuse L01 EV Series of 1 Amp Sensitive Triacs. The series includes variants with different voltage ratings (400V, 600V, 800V) and gate sensitivities, available in both TO-92 and SOT-223 packages. The 'M' suffix specifically denotes the 600 V voltage rating within this product family.
L0109DE (400 V), L0109NE (800 V)
The minimum critical rate-of-rise of off-state voltage is 50 V/μs.
The peak on-state voltage is limited to a maximum of 1.60 V.
Yes, the datasheet specifies gate trigger parameters for Quadrants I, II, III, and IV.
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