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EC103DRP
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Product Detailed Parameters
- Description：SCR 400V 800MA TO92
- 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)：200 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 EC103DRP is a Silicon Controlled Rectifier (SCR) designed for sensitive gate triggering applications. It features a single element configuration housed in a TO-92 cylindrical package with three pins. The device supports an RMS on-state current of 0.8A and offers a repetitive peak off-state voltage rating of 600V. Key electrical parameters include a maximum DC gate trigger current of 0.2 mA, ensuring low power control requirements. The component operates within a temperature range suitable for general industrial use and complies with RoHS standards.
Feature Summary
- Sensitive gate architecture enables reliable triggering with minimal control current
- Robust 600V blocking capability for medium-voltage switching applications
- Compact TO-92 through-hole packaging facilitates easy integration into standard circuits
Applications
- Lighting control systems requiring precise phase angle regulation
- Solid-state relay inputs for low-power switching isolation
- Motor speed control circuits for small appliances
Procurement Notes
Verify the specific suffix 'DRP' against official Littelfuse documentation to confirm reel packaging specifications and exact pinout orientation. Ensure the selected variant matches the required sensitivity class and thermal characteristics for the target application environment before finalizing procurement orders.
Selection Notes
Select this component when a low-cost, through-hole SCR with sensitive gate drive is required for 600V applications. Compare the 0.8A RMS current rating against load requirements to ensure adequate margin. Verify that the TO-92 package size fits the available PCB real estate and thermal management constraints of the design.
Part Context
This part belongs to Littelfuse's general-purpose thyristor portfolio, specifically targeting cost-sensitive consumer and industrial electronics. The EC series typically denotes standard silicon controlled rectifiers optimized for high-volume manufacturing and reliable performance in AC power control scenarios.
Replacement Considerations
Cross-reference with other Littelfuse EC series parts or equivalent SCRs from manufacturers like STMicroelectronics or Vishay. Ensure replacement devices match the 600V VRRM, 0.8A IT(RMS), and sensitive gate trigger current specifications to maintain circuit functionality.
