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EC103B2AP
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Product Detailed Parameters
- Description：SCR 200V 800MA TO92
- Series：-
- Mfr：Littelfuse Inc.
- Package：Tape & Box (TB)
- Voltage - Off State：200 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 EC103B2AP is a sensitive Silicon Controlled Rectifier (SCR) from the Teccor line, designed as a half-wave unidirectional gate-controlled rectifier. It features an electrically isolated TO-92 package with internal isolation between the case and leads. The device has a maximum on-state current of 0.8 A RMS and 0.51 A average, with a repetitive peak off-state voltage rating of 200 V. It offers a DC gate trigger current of 50 µA and a peak on-state voltage of 1.7 V. The component utilizes glass-passivated junctions for reliability and operates within a temperature range of -65 °C to +110 °C.
Feature Summary
- Electrically isolated TO-92 package allowing low-cost assembly
- Glass-passivated junctions for long-term parameter stability
- High surge capability up to 100 A
- RoHS compliant construction
Applications
- Lighting control circuits
- Battery charger applications
- Electronic ballast systems
- AC-DC power converters
Procurement Notes
Verify the specific ordering suffix against manufacturer documentation to confirm package type and electrical characteristics. Ensure the selected variant matches the required isolation ratings and thermal management needs for the target application environment.
Selection Notes
Select this component based on the 200 V blocking voltage requirement and 50 µA gate sensitivity. Confirm that the TO-92 package dimensions fit the PCB layout and that the thermal resistance allows for adequate heat dissipation at the expected operating currents.
Part Context
This part belongs to the Teccor Sensitive SCRs family, which includes devices ranging from 0.8 A to 10 A. The EC series specifically denotes standard gate sensitivities in the 200 µA to 500 µA range, while the 'B' suffix indicates a 200 V rating and '2' indicates 50 µA gate sensitivity.
Replacement Considerations
Cross-reference with other manufacturers offering 0.8 A, 200 V SCRs in TO-92 packages. Verify equivalent gate trigger currents and holding currents before substitution.
FAQ
What is the maximum repetitive peak off-state voltage?
The maximum repetitive peak off-state forward and reverse voltage (VDRM & VRRM) is 200 V.
Is the TO-92 package electrically isolated?
Yes, the TO-92 package is electrically isolated where the case or tab is internally isolated to allow for convenient packaging techniques.
What is the typical peak on-state voltage?
The typical peak on-state voltage (VTM) is 1.7 V.
