SLA4060

Overview

The SLA4060 is a general-purpose NPN Darlington transistor manufactured by Sanken Electric USA Inc. It features a collector-emitter voltage (VCEO) of 120 V and a continuous collector current (IC) rating of 5 A. The device exhibits a high DC current gain (hFE) ranging from 2000 to 15000 at IC=3A and VCE=2V. Key electrical characteristics include a maximum collector-base breakdown voltage (VCBO) of 120 V, an emitter-base breakdown voltage (VEBO) of 6 V, and a maximum base current (IB) of 0.5 A. The component operates within a junction temperature range up to 150°C and utilizes a 12-pin SIP package with a fin for thermal management.

Feature Summary

• High current gain capability suitable for amplification applications
• Integrated heat dissipation fin structure for improved thermal performance
• Robust isolation between the metal fin and lead pins

Applications

• General purpose switching circuits
• Power amplifier stages
• Motor control interfaces

Procurement Notes

Verify the specific package variant against the datasheet drawing, as the SLA series includes multiple pin configurations such as SLA21Pin and variations with or without fins. Confirm that the design intent aligns with the manufacturer's explicit recommendation not to use this part in new designs before finalizing procurement specifications.

Selection Notes

Select this component only if legacy compatibility is required, as the manufacturer explicitly advises against using it in new designs. Ensure the circuit design accommodates the specified 12-pin SIP footprint and provides adequate heatsinking to manage the thermal resistance, particularly given the high saturation voltage characteristics under heavy load conditions.

Part Context

The SLA4060 belongs to the Sanken SLA series of NPN Darlington transistors designed for medium-power applications. This series typically offers high gain and robust current handling capabilities in through-hole packages. The specific model integrates internal resistors R1 and R2 to stabilize operation and improve switching characteristics compared to bare Darlington pairs.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation.