SJ6032L2TP

Overview

The Littelfuse SJ6032L2TP is a 32 Amp Standard High Temperature Silicon-Controlled Rectifier (SCR) in the SJxx32xx series. It features an isolated TO-220L package with a maximum RMS on-state current of 32 A at TC = 80°C and an average on-state current of 20 A. The device supports blocking voltages of 400 V or 600 V, with peak non-repetitive surge currents reaching 380 A at 60 Hz half cycle. Gate trigger current (IGT) is specified at a maximum of 15 mA, with a typical gate trigger voltage of 1.5 V. Thermal resistance from junction to case is 1.9 °C/W.

Feature Summary

• High junction temperature capability for demanding thermal environments
• Isolated mounting tab design for ease of heat sinking and high isolation voltage
• Sensitive gate interface allowing direct interfacing with microprocessors

Applications

• Phase control in heating systems
• Motor speed controls
• AC rectifiers and voltage regulators
• 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 options. Confirm that the isolated TO-220L package aligns with the board layout and thermal management strategy. Ensure the 15 mA gate sensitivity matches the drive circuit capabilities. Check for RoHS compliance and halogen-free status if environmental regulations apply to the final assembly.

Selection Notes

Select this component when uni-directional switching with high thermal tolerance is necessary. The 15 mA gate sensitivity facilitates low-power control logic integration. The isolated package is suitable for applications requiring galvanic isolation between the heatsink and the circuit ground. Evaluate the 32 A RMS rating against the continuous load requirements and derate for ambient temperatures exceeding standard test conditions.

Part Context

This device belongs to the Littelfuse SJxx32xx series of 32 Amp Standard High Temperature SCRs. The 'L' suffix indicates the TO-220L isolated package variant, while '2' denotes the 15 mA gate sensitivity. Other variants include the non-isolated TO-220R and surface-mount TO-263 packages, offering flexibility for different manufacturing and thermal constraints within the same electrical family.

Replacement Considerations

Compatible replacements within the same series include SJ6032R2TP (non-isolated TO-220R) and SJ6032N2TP (surface-mount TO-263). These alternatives share identical electrical ratings but differ in physical footprint and isolation characteristics. Verify mechanical compatibility before substitution.