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Product Detailed Parameters
- Description:SCR 600V 4A TO252
- Series:SJ
- Mfr:Littelfuse Inc.
- Package:Tape & Reel (TR),Cut Tape (CT)
- Voltage - Off State:600 V
- Voltage - Gate Trigger (Vgt) (Max):800 mV
- Current - Gate Trigger (Igt) (Max):200 µA
- Current - Hold (Ih) (Max):6 mA
- Current - Non Rep. Surge 50, 60Hz (Itsm):25A, 30A
- SCR Type:Sensitive Gate
- Operating Temperature:-40°C ~ 150°C (TJ)
- Grade:-
- Qualification:-
- Mounting Type:Surface Mount
- Package / Case:TO-252-3, DPAK (2 Leads + Tab), SC-63
- Supplier Device Package:TO-252 (DPAK)
- Voltage - On State (Vtm) (Max):1.6 V
- Current - On State (It (AV)) (Max):2.56 A
- Current - On State (It (RMS)) (Max):4:00 AM
- Current - Off State (Max):5 µA
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Overview
The Littelfuse SJ6004DS2RP is a high-temperature sensitive silicon-controlled rectifier (SCR) in the SJxx04xSx series. It features a 4 A RMS on-state current and a 600 V repetitive peak off-state voltage rating. The device utilizes a TO-252AA (DPAK) surface-mount package with a maximum junction temperature of 150°C. Key electrical parameters include a maximum gate trigger current of 200 μA, a holding current of 6 mA, and an on-state voltage of 1.6 V at 8 A. It supports a non-repetitive surge current of 30 A at 60 Hz and operates within a temperature range of -40°C to +150°C.
Feature Summary
- Sensitive gate design enabling reliable triggering with low gate current levels
- High thermal capability supporting operation up to a 150°C junction temperature
- Halogen-free and RoHS compliant construction for environmental safety
Applications
- Capacitive discharge ignition systems for motorcycle engines
- Portable generator engine ignition circuits
- Strobe lights and pneumatic nailers
- Generic rectifiers and battery voltage regulators
- Power tool controls and home appliance converters
Procurement Notes
Verify the specific ordering suffix against the manufacturer's datasheet to confirm the exact voltage rating and package type. Confirm compliance requirements such as RoHS and halogen-free status prior to integration. Ensure the procurement documentation matches the official Littelfuse part number specifications to avoid substitution errors.
Selection Notes
Select this component for uni-directional switching applications requiring high-temperature resilience. Evaluate the thermal resistance and heat sinking requirements to maintain the junction temperature below the 150°C limit. Consider the 600 V blocking voltage and 4 A current ratings relative to the circuit's worst-case operating conditions.
Part Context
This device belongs to the SJxx04xSx series of 4 Amp High Temperature Sensitive SCRs manufactured by Littelfuse. The series is designed for robust performance in demanding power control environments. The 'SJ' prefix identifies it as an SCR, while 'S2' denotes the specific gate sensitivity level defined in the product selector guide.
Replacement Considerations
Consult the Littelfuse product selector for alternative voltage ratings or package types within the SJxx04xSx family. Verify that any substitute maintains the required 600 V blocking capability and compatible TO-252 footprint.
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