6N137-320E

Overview

The Broadcom Limited 6N137-320E is a high-speed single-channel optocoupler featuring an open collector output with Schottky clamping. It supports data rates up to 10 Mb/s and provides electrical isolation of 5000 Vrms. The device operates within a temperature range of -40°C to +85°C and is housed in an 8-pin PDIP Gull Wing surface-mount package. Key electrical parameters include a maximum forward current of 10 mA, a forward voltage of 1.5 V, and a maximum output current of 50 mA. Propagation delays are typically 75 ns, with rise and fall times of 24 ns and 10 ns respectively.

Feature Summary

• High-speed signal transmission capability supporting 10 Mb/s data rates
• Integrated Schottky clamping on the open collector output for improved switching performance
• Enhanced insulation voltage rating of 5000 Vrms for robust circuit isolation
• Surface-mount packaging design suitable for automated assembly processes

Applications

• High-speed digital communication interfaces requiring galvanic isolation
• Industrial control systems needing reliable signal transfer across isolated domains
• Power supply feedback loops where fast response times are critical
• Microcontroller-to-peripheral communication links with noise immunity requirements

Procurement Notes

Verify that the specific ordering suffix matches the required insulation voltage and package type, as variants exist within the 6N137 family. Confirm RoHS compliance status through official documentation prior to procurement. Ensure the supplier provides valid traceability records. Check for any recent product change notifications that might affect pinout or electrical characteristics. Validate that the received components match the specified 8-pin gull-wing form factor.

Selection Notes

Select this component when both high data rate performance and elevated isolation voltage are required simultaneously. The integrated Schottky clamp distinguishes it from standard open-collector variants by reducing storage time. Consider the surface-mount package constraints during PCB layout planning. Evaluate thermal dissipation capabilities given the 85 mW power dissipation limit. Compare against lower-voltage alternatives if system isolation requirements do not necessitate the 5000 Vrms rating.

Part Context

This part belongs to the 6N137 series of high-speed optocouplers manufactured by Broadcom Limited. The series is designed for applications demanding fast signal propagation and reliable electrical isolation. The 6N137-320E variant specifically addresses needs for higher isolation ratings compared to standard DIP versions. It represents a modernization of legacy designs with surface-mount compatibility.

Replacement Considerations

Direct substitutes must maintain 10 Mb/s speed, 5000 Vrms isolation, and open collector output. Verify pin compatibility for the 8-pin gull-wing package. Cross-reference datasheets for propagation delay and output current specifications to ensure functional equivalence.