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MCR12DSMT4G
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Product Detailed Parameters
- Description：SCR 600V 12A DPAK
- Series：-
- Mfr：Littelfuse Inc.
- Package：Tape & Reel (TR),Cut Tape (CT)
- Voltage - Off State：600 V
- Voltage - Gate Trigger (Vgt) (Max)：1 V
- Current - Gate Trigger (Igt) (Max)：200 µA
- Current - Hold (Ih) (Max)：6 mA
- Current - Non Rep. Surge 50, 60Hz (Itsm)：100A @ 60Hz
- SCR Type：Sensitive Gate
- Operating Temperature：-40°C ~ 110°C
- Mounting Type：Surface Mount
- Package / Case：TO-252-3, DPAK (2 Leads + Tab), SC-63
- Supplier Device Package：TO-252 (DPAK)
- Voltage - On State (Vtm) (Max)：1.9 V
- Current - On State (It (AV)) (Max)：7.6 A
- Current - On State (It (RMS)) (Max)：12:00 AM
- Current - Off State (Max)：10 µA
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Overview
The MCR12DSMT4G is a Silicon Controlled Rectifier (SCR) manufactured by Littelfuse, belonging to the MCR12DCX series. It features an 800 V rated repetitive off-state voltage and supports a 12 A RMS on-state current. The device operates within a temperature range of -40 °C to +125 °C and utilizes a DPAK-2 (TO-252-2) surface-mount package. Key electrical parameters include a maximum holding current of 40 mA, a gate trigger voltage of 1 V, and a forward voltage of 1.9 V.
Feature Summary
- Surface-mount construction in a compact DPAK-2 package for automated assembly
- High thermal stability with operation up to 125 °C junction temperature
- Robust switching capability with 12 A RMS current handling
Applications
- AC power control circuits
- Lighting dimmer applications
- Motor speed control systems
Procurement Notes
Verify the specific suffix 'SMT' against official Littelfuse documentation to confirm package orientation or lead configuration differences compared to standard variants. Ensure the component meets RoHS compliance requirements for the target market. Confirm availability through authorized distributors as supply levels fluctuate.
Selection Notes
Select this component when a high-current SCR is required in a surface-mount form factor. The 800 V rating suits general-purpose AC line applications. Verify that the gate trigger current of 20 mA aligns with the driving circuit capabilities. Consider thermal management requirements given the 12 A RMS rating in the TO-252-2 package.
Part Context
This part belongs to the MCR12DCX family of thyristors from Littelfuse. These devices are designed for general-purpose switching applications requiring reliable performance in compact designs. The series offers various voltage ratings and packaging options to suit different board space and electrical constraints.
Replacement Considerations
Check for direct equivalents within the MCR12DCX series with matching voltage and current ratings. Verify pinout compatibility before substituting with other DPAK-2 SCRs. Consult Littelfuse for approved cross-reference data.
