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Product Detailed Parameters
- Description：TRIAC SENS GATE 200V 2.5A TO225
- Series：-
- Mfr：Littelfuse Inc.
- Package：Box
- Triac Type：Logic - Sensitive Gate
- Voltage - Off State：200 V
- Current - On State (It (RMS)) (Max)：2.5 A
- Voltage - Gate Trigger (Vgt) (Max)：2.2 V
- Current - Non Rep. Surge 50, 60Hz (Itsm)：25A @ 60Hz
- Current - Gate Trigger (Igt) (Max)：10 mA
- Current - Hold (Ih) (Max)：30 mA
- Configuration：Single
- Operating Temperature：-40°C ~ 110°C (TJ)
- Mounting Type：Through Hole
- Package / Case：TO-225AA, TO-126-3
- Supplier Device Package：TO-225AA
- Grade：-
- Qualification：-
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Overview
The Littelfuse T2322BG is a surface-mount logic-sensitivity triac designed for AC power switching applications. It features a peak repetitive off-state voltage of 200 V and an on-state RMS current rating of 2.5 A at 70°C case temperature. The device supports a peak non-repetitive surge current of 25 A and operates within a junction temperature range of -40°C to +110°C. Key electrical parameters include a maximum gate trigger current of 10 mA, a holding current of up to 30 mA, and a peak forward on-state voltage of 2.2 V at 10 A. The component utilizes a TO-225AA package with a Pb-free construction.
Feature Summary
- Very high gate sensitivity allows the use of economical transistorized or integrated circuit control circuits.
- Low on-state voltage at high current levels improves efficiency in phase control applications.
- Glass-passivated chip ensures long-term parameter stability and reliability.
- Small, rugged thermopad construction provides low thermal resistance and high heat dissipation.
Applications
- AC power switching
- Low-power phase control
- Load-switching applications
Procurement Notes
Verify the specific ordering suffix 'G' confirms the Pb-free package status as documented in the official datasheet. Confirm the manufacturer part number matches Littelfuse specifications exactly. Ensure the component type aligns with the required surface-mount TO-225AA package style. Cross-reference the RoHS compliance status with current regulatory requirements before finalizing procurement orders.
Selection Notes
Select this component when a surface-mount logic-sensitivity triac is required for AC power control. Ensure the application voltage does not exceed the 200 V rating. Verify that the load current remains within the 2.5 A RMS limit at the expected case temperature. Consider the thermal resistance characteristics if operating near the maximum junction temperature limits.
Part Context
The T2322BG belongs to the T2322B series of thyristors manufactured by Littelfuse. This series is specifically engineered for surface-mount technology (SMT) assembly. The 'G' suffix denotes the Pb-free variant of the standard T2322B component. These devices are part of Littelfuse's broader portfolio of AC control solutions designed for compact electronic designs.
Replacement Considerations
T2322B is the direct predecessor part number from Littelfuse. Other manufacturers may offer equivalent logic-gate triacs in TO-225AA packages, but pinout and thermal characteristics must be verified against the official datasheet before substitution.
