FOD2743BV

$1.41

Description：OPTOISOLATOR 5KV 1CH TRANS 8-DIP
Series：-
Mfr：onsemi
Package：Tube

SKU:18f81127d061 Category: Transistor, Photovoltaic Output Optoisolators Brand: onsemi

Consult the customer manager about the wholesale price.

consultation hotline：86-132-6715-2157

email：[email protected]
Contact the product manager for consultation. One-stop consultation is available.

Do you want a lower wholesale price? Please send us your inquiry and we will reply immediately.

Product introduction

Product Detailed Parameters

Description：OPTOISOLATOR 5KV 1CH TRANS 8-DIP
Series：-
Mfr：onsemi
Package：Tube
Number of Channels：1
Voltage - Isolation：5000Vrms
Current Transfer Ratio (Min)：50% @ 1mA
Current Transfer Ratio (Max)：100% @ 1mA
Turn On / Turn Off Time (Typ)：-
Rise / Fall Time (Typ)：-
Input Type：DC
Output Type：Transistor
Voltage - Output (Max)：70V
Current - Output / Channel：50mA
Voltage - Forward (Vf) (Typ)：1.07V
Current - DC Forward (If) (Max)：-
Vce Saturation (Max)：400mV
Operating Temperature：-40°C ~ 85°C
Mounting Type：Through Hole
Package / Case：8-DIP (0.300", 7.62mm)
Supplier Device Package：8-DIP
Grade：-
Qualification：-

Download product information

FOD2743BV

Overview

The FOD2743BV is a single-channel optically isolated amplifier manufactured by onsemi. It integrates an infrared LED with an error amplifier and an NPN phototransistor output in an 8-pin DIP package. The device provides high-speed signal transmission with a guaranteed current transfer ratio of 50% to 100% at 1mA input. It features a maximum collector-emitter voltage of 70V, a saturation voltage of 400mV, and operates within a temperature range of -40°C to 85°C. The unit offers 5000Vrms isolation voltage.

Feature Summary

Integrates an error amplifier for precise signal conditioning in feedback loops
Provides high-voltage electrical isolation between input and output circuits
Delivers fast switching speeds suitable for high-frequency applications

Applications

Switching power supply error amplification
Feedback control systems requiring galvanic isolation
Industrial process control instrumentation

Procurement Notes

Verify component authenticity through authorized distributors due to obsolescence status. Confirm package integrity and pin alignment against the original datasheet specifications. Check manufacturing date codes for storage history compliance. Ensure replacement sourcing meets quality standards for critical power management circuits.

Selection Notes

Select this component when integrated error amplification is required within an isolated environment. Compare current transfer ratio requirements against specific circuit gain needs. Evaluate thermal performance constraints relative to the specified operating temperature range. Consider physical footprint compatibility with existing printed circuit board layouts.

Part Context

This part belongs to the FOD2743 family of optocouplers designed for power management applications. It serves as a specialized solution for isolating control signals while maintaining signal fidelity. The series supports various packaging options to accommodate different assembly requirements.