SL320R536

Overview

The SL320R536 is a BigAMP inrush current limiter manufactured by Vishay Ametherm. It features a nominal resistance of 0.5 ohms with a tolerance of ±20%. The component is rated for a steady-state current of 36 A and has a diameter of 31.00 mm (1.220 inches). Designed for PCB mounting, it utilizes radial leads to limit surge currents during equipment startup.

Feature Summary

• Absorbs high amounts of inrush current when electrical equipment is turned on
• Offers high initial resistance to protect downstream components
• Utilizes NTC thermistor technology for effective current limiting

Applications

• Power supply input stages
• Electronic ballast circuits
• Motor drive protection

Procurement Notes

Verify the specific part number SL320R536 against official Vishay datasheets to confirm the 0.5-ohm resistance and 36-ampere rating. Ensure the selected variant matches the required radial lead configuration and PCB mounting style for your design implementation.

Selection Notes

Select this component based on the required 36 A steady-state current capacity and 0.5-ohm resistance value. Consider the 31 mm diameter for adequate thermal dissipation and physical clearance within the target enclosure layout.

Part Context

This device belongs to the SL32 series of BigAMP inrush current limiters. These components are specifically engineered to handle high energy surges, providing reliable protection for sensitive electronics during power-up events across various industrial applications.

Replacement Considerations

Cross-reference with other Vishay Ametherm SL32 variants or equivalent NTC thermistors from other manufacturers that match the 0.5-ohm resistance and 36 A current rating specifications.

FAQ

What is the primary function of the SL320R536?

It acts as an inrush current limiter, absorbing high surge currents when electrical equipment is powered on to prevent damage.

What is the resistance tolerance of this component?

The nominal resistance of 0.5 ohms has a tolerance of ±20%.