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Product Detailed Parameters
- Description:HIGH TJ SCR 600V 32A TO263
- Series:SJxx32xx
- Mfr:Littelfuse Inc.
- Package:Tape & Reel (TR)
- Voltage - Off State:600 V
- Voltage - Gate Trigger (Vgt) (Max):1.5 V
- Current - Gate Trigger (Igt) (Max):40 mA
- Current - Hold (Ih) (Max):60 mA
- Current - Non Rep. Surge 50, 60Hz (Itsm):320A, 380A
- SCR Type:Standard Recovery
- Operating Temperature:-40°C ~ 150°C (TJ)
- Grade:-
- Qualification:-
- Mounting Type:Surface Mount
- Package / Case:TO-263-3, D2PAK (2 Leads + Tab), TO-263AB
- Supplier Device Package:TO-263 (D2PAK)
- Voltage - On State (Vtm) (Max):1.6 V
- Current - On State (It (AV)) (Max):20 A
- Current - On State (It (RMS)) (Max):32 A
- Current - Off State (Max):10 µA
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Overview
The Littelfuse SJ6032NRP is a silicon-controlled rectifier (SCR) in the SJxx32xx series, housed in a TO-263 (D2-Pak) surface-mount package. It features an RMS on-state current of 32 A and peak non-repetitive surge currents of 320 A at 50 Hz or 380 A at 60 Hz. The device supports rated repetitive blocking voltages of 400 V or 600 V with a maximum gate trigger current of 40 mA. Operating junction temperatures range from -40°C to +150°C, and thermal resistance from junction to case is 0.8 °C/W.
Feature Summary
- High junction temperature capability for demanding thermal environments
- Sensitive gate triggering requiring low control power
- Robust surge current handling for transient protection
- RoHS-compliant and halogen-free construction
Applications
- AC rectifiers and voltage regulators
- Phase control in heating systems
- Motor speed controls
- Industrial power tools and exercise equipment
- White goods and commercial appliances
Procurement Notes
Verify the specific voltage rating required for the application, as the base part number covers both 400 V and 600 V variants. Confirm that the TO-263 surface-mount footprint matches the PCB layout. Ensure the design accounts for the specified thermal resistance and derating curves to maintain safe operating junction temperatures under continuous load conditions.
Selection Notes
Select this component when high-temperature operation up to 150°C is necessary. The TO-263 package provides efficient heat dissipation for surface-mount designs. Verify that the gate sensitivity aligns with the driving circuit capabilities, as this variant utilizes the standard 40 mA gate trigger level. Consider the peak surge current limits when designing for capacitive discharge or inductive switching loads.
Part Context
This device belongs to the SJxx32xx family of 32 Amp Standard High Temperature SCRs manufactured by Littelfuse. The series includes variations in voltage ratings and gate sensitivities across different packages, including TO-220L, TO-220R, and TO-263. The N suffix specifically denotes the TO-263 surface-mount configuration.
Replacement Considerations
Cross-reference with other Littelfuse SJxx32xx series parts such as SJ6032NTP for tube packaging or SJ6032N2RP for lower gate sensitivity. Verify pinout compatibility and thermal characteristics before substituting components from other manufacturers.
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