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EC103M3RP
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Product Detailed Parameters
- Description：SCR 600V 800MA TO92
- Series：-
- Mfr：Littelfuse Inc.
- Package：Tape & Reel (TR)
- Voltage - Off State：600 V
- Voltage - Gate Trigger (Vgt) (Max)：800 mV
- Current - Gate Trigger (Igt) (Max)：50 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 EC103M3RP is a Silicon Controlled Rectifier (SCR) belonging to the EC103xx series. It features a sensitive gate configuration housed in a TO-92 through-hole package with three pins. The device supports a maximum repetitive peak off-state voltage of 600V and an on-state RMS current of 0.8A. Key electrical parameters include a maximum DC gate trigger current of 0.2 mA, a holding current maximum of 5 mA, 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
- Sensitive gate design for low power triggering applications
- Robust thermal performance suitable for high ambient temperatures
- Compact cylindrical plastic epoxy encapsulation
Applications
- Lighting control circuits
- Motor speed regulation systems
- Temperature control devices
Procurement Notes
Verify the specific suffix 'RP' against official Littelfuse documentation to confirm tape-and-reel packaging status and exact pinout orientation. Ensure compliance with RoHS directives as indicated by the e3 terminal finish code. Cross-reference the manufacturer part number with authorized distributor catalogs to validate current production status and lead times prior to ordering.
Selection Notes
Select this component when a 600V blocking capability and 0.8A continuous current rating are required in a compact form factor. The sensitive gate characteristic allows for direct interfacing with low-current logic outputs without additional amplification. Verify that the TO-92 package dimensions fit the available PCB real estate and that the thermal dissipation requirements are met by the circuit design.
Part Context
This SCR is part of the broader EC103 family, which includes variants with different voltage ratings such as 100V, 200V, and 400V options. The M3 designation specifically denotes the 600V voltage class within this standardized series. These components are widely used in consumer electronics and industrial controls where reliable phase control or switching is necessary.
Replacement Considerations
Compatible substitutes include other 600V, 0.8A SCRs in TO-92 packages from manufacturers like Teccor Electronics. Ensure that any replacement maintains the same sensitive gate trigger current specifications and physical footprint to guarantee interchangeability in existing designs.
