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S402ES1RP
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Product Detailed Parameters
- Description：SEN SCR 400V 1.5A 100 A TO92WB
- Series：EV
- Mfr：Littelfuse Inc.
- Package：Tape & Reel (TR)
- Voltage - Off State：400 V
- Voltage - Gate Trigger (Vgt) (Max)：800 mV
- Current - Gate Trigger (Igt) (Max)：100 µA
- Current - Hold (Ih) (Max)：3 mA
- Current - Non Rep. Surge 50, 60Hz (Itsm)：12.5A, 15A
- SCR Type：Sensitive Gate
- Operating Temperature：-40°C ~ 125°C (TJ)
- 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)：950 mA
- Current - On State (It (RMS)) (Max)：1.5 A
- Current - Off State (Max)：5 µA
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Overview
The Littelfuse S402ES1RP is a silicon-controlled rectifier (SCR) belonging to the Sx02xS series, designed for sensitive gate triggering applications. It features a rated repetitive off-state voltage (VDRM) of 400 V and an RMS on-state current (It RMS) of 1.5 A. The device utilizes a TO-92 through-hole package with three leads. Key electrical parameters include a maximum holding current (Ih) of 5 mA, a gate trigger voltage (Vgt) of 800 mV, and a gate trigger current (Igt) of 200 uA. It operates within a temperature range of -40 C to +125 C.
Feature Summary
- Sensitive gate architecture enabling reliable triggering with low gate current requirements.
Applications
- General purpose switching circuits requiring low-power gate control.
Procurement Notes
Verify the specific suffix 'RP' against official Littelfuse documentation to confirm reel packaging specifications and tape-and-reel dimensions. Ensure the TO-92 lead form matches the target PCB footprint. Confirm RoHS compliance status via the manufacturer's current datasheet revision before finalizing procurement orders.
Selection Notes
Select this component when a 400 V blocking capability and 1.5 A continuous current rating are required in a compact through-hole format. The sensitive gate characteristic makes it suitable for microcontroller-driven interfaces where minimal drive current is available. Verify thermal management requirements for the TO-92 package under expected load conditions.
Part Context
This part belongs to the Littelfuse Sx02xS family of thyristors. These devices are engineered for general-purpose power control applications. The S402ES1RP specifically offers a balance of voltage handling and current capacity in a standard axial-leaded configuration common in legacy and cost-sensitive designs.
Replacement Considerations
Cross-reference with other S402 variants from Littelfuse or equivalent manufacturers offering 400 V/1.5 A ratings in TO-92 packages. Ensure gate sensitivity and holding current parameters match the original circuit design constraints before substitution.
