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EC103D1AP
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Product Detailed Parameters
- Description：SCR 400V 800MA TO92
- Series：-
- Mfr：Littelfuse Inc.
- Package：Tape & Box (TB)
- Voltage - Off State：400 V
- Voltage - Gate Trigger (Vgt) (Max)：800 mV
- Current - Gate Trigger (Igt) (Max)：12 µA
- Current - Hold (Ih) (Max)：5 mA
- Current - Non Rep. Surge 50, 60Hz (Itsm)：16A, 20A
- SCR Type：Sensitive Gate
- Operating Temperature：-40°C ~ 110°C
- Mounting Type：Through Hole
- Package / Case：TO-226-3, TO-92-3 (TO-226AA) Formed Leads
- Supplier Device Package：TO-92
- Voltage - On State (Vtm) (Max)：1.7 V
- Current - On State (It (AV)) (Max)：510 mA
- Current - On State (It (RMS)) (Max)：800 mA
- Current - Off State (Max)：1 µA
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Overview
The Littelfuse EC103D1AP is a silicon-controlled rectifier (SCR) from the EC103xx series, designed for through-hole mounting in TO-92 packages. It features a rated repetitive off-state voltage of 400 V and an RMS on-state current of 800 mA. The device utilizes 12 uA gate sensing technology with a gate trigger current of 12 uA and a gate trigger voltage of 800 mV. Key electrical parameters include a maximum holding current of 5 mA, a forward voltage of 1.7 V, and a non-repetitive peak on-state current of 20 A. It operates within a temperature range of -40 C to +110 C.
Feature Summary
- Utilizes sensitive 12 uA gate triggering for low-power control applications
- Provides robust overcurrent protection with high surge current capability
- Designed for reliable operation across extended industrial temperature ranges
Applications
- Overvoltage protection circuits
- Battery charger management systems
- General purpose switching applications
Procurement Notes
Verify the specific suffix 'AP' against the official Littelfuse datasheet to confirm if it denotes a specific tape-and-reel packaging option or environmental compliance variant compared to the standard bulk EC103D1. Ensure the component matches the required RoHS and REACH standards for your assembly process before finalizing procurement orders.
Selection Notes
Select this component when a low-gate-current SCR is required for precise triggering in compact designs. The TO-92 package suits space-constrained through-hole layouts. Verify that the 400 V blocking voltage and 800 mA continuous current ratings align with the circuit's peak load and transient requirements.
Part Context
This part belongs to the Littelfuse EC103xx family of silicon-controlled rectifiers. These devices are engineered for general-purpose thyristor applications requiring reliable switching and protection. The series offers various voltage and current ratings packaged in standard leaded formats for easy integration into power supply and control circuits.
Replacement Considerations
Direct substitutes may include other 400V 800mA SCRs in TO-92 packages with similar gate sensitivity. Verify pinout compatibility and thermal characteristics before substitution.
