TLP185(GB-TPL,SE

Overview

The TLP185(GB-TPL,SE is a single-channel transistor output optocoupler manufactured by Toshiba Semiconductor and Storage. It features a compact surface-mount SO-6 package with a maximum forward current of 50 mA and a collector-emitter voltage rating of 80 V. The device provides a minimum isolation voltage of 3750 Vrms and operates within a temperature range of -55°C to +110°C. Typical switching times are 2 µs for rise and 3 µs for fall, with a current transfer ratio ranging from 50% to 400% at an input current of 5 mA.

Feature Summary

• Provides high-voltage electrical isolation between input and output circuits using infrared LED and phototransistor technology.
• Features a thin surface-mount package design suitable for space-constrained printed circuit board layouts.
• Offers wide operating temperature range capabilities for stable performance in industrial environments.

Applications

• Digital input/output isolation in programmable logic controllers
• Signal isolation in switching power supply circuits
• Interface isolation in general-purpose industrial control equipment

Procurement Notes

Verify the specific suffix (TPL) indicates tape and reel packaging when sourcing. Confirm that the GB variant meets required safety certifications such as UL or VDE for the target application. Ensure the procurement channel sources directly from authorized distributors to guarantee component authenticity and traceability.

Selection Notes

Select this component when a single-channel isolation solution with moderate speed and high voltage ratings is required. Consider the 50 mA collector current limit and 80 V breakdown voltage against load requirements. Evaluate the SO-6 footprint compatibility during PCB layout planning to ensure proper thermal and mechanical integration.

Part Context

This part belongs to the TLP series of transistor output optocouplers produced by Toshiba. The series is designed for general-purpose signal isolation applications requiring reliable performance across varying environmental conditions. The TLP185 model specifically addresses needs for compact form factors while maintaining robust electrical separation standards.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Verify pinout compatibility and electrical specifications before considering alternative manufacturers' components.