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MCR706AT4G
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Product Detailed Parameters
- Description：SCR 400V 4A DPAK
- Series：-
- Mfr：Littelfuse Inc.
- Package：Tape & Reel (TR),Cut Tape (CT)
- Voltage - Off State：400 V
- Voltage - Gate Trigger (Vgt) (Max)：800 mV
- Current - Gate Trigger (Igt) (Max)：75 µA
- Current - Hold (Ih) (Max)：5 mA
- Current - Non Rep. Surge 50, 60Hz (Itsm)：25A @ 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)：2.2 V
- Current - On State (It (AV)) (Max)：1.6 A
- Current - On State (It (RMS)) (Max)：4:00 AM
- Current - Off State (Max)：10 µA
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Overview
The MCR706AT4G is a silicon-controlled rectifier (SCR) manufactured by Littelfuse Inc. This component belongs to the MCR706 series and is housed in a TO-92 plastic package. It is designed for general-purpose switching applications requiring low current handling capabilities. The device features a gate trigger voltage specification suitable for standard logic interface levels, ensuring reliable turn-on characteristics within its rated operating temperature range.
Feature Summary
- Utilizes a robust silicon-controlled rectifier structure for efficient switching
- Encapsulated in a compact TO-92 plastic case for surface or through-hole mounting
- Engineered for stable operation under defined thermal conditions
Applications
- General-purpose AC/DC switching circuits
- Low-power motor control interfaces
- Lighting dimmer prototypes
Procurement Notes
Verify the exact datasheet version corresponding to the MCR706AT4G part number before procurement. Confirm that the TO-92 package dimensions and pinout configuration match your PCB layout requirements. Ensure that the ambient operating temperature limits align with your system's thermal design constraints to maintain device reliability.
Selection Notes
Select this component when a low-current SCR is required for simple switching tasks. Consider the specific gate trigger characteristics and holding current values provided in the official documentation. Evaluate the thermal dissipation capabilities of the TO-92 package against your application's power requirements to ensure safe operation.
Part Context
This part is part of Littelfuse's broader lineup of discrete semiconductor devices. The MCR706 series typically includes variants with different suffixes indicating packaging or testing variations. Understanding the family context helps in identifying compatible substitutes or related components for similar circuit designs requiring comparable switching performance.
Replacement Considerations
Consult official Littelfuse substitution guides for verified equivalents. Generic replacements may differ in gate sensitivity or thermal resistance. Verify pin compatibility and electrical ratings before integrating alternative parts into existing designs.
