HMHAA280R4

Description：OPTOISO 3.75KV TRANS 4-MINI-FLAT
Series：-
Mfr：onsemi
Package：Tape & Reel (TR)

SKU:07efb45770f4 Category: Transistor, Photovoltaic Output Optoisolators Brand: onsemi

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Product introduction

HMHAA280R4 is listed in the Transistor, Photovoltaic Output Optoisolators range at ChipApex. The manufacturer field lists onsemi. Its product description is OPTOISO 3.75KV TRANS 4-MINI-FLAT. Review the specifications below when checking this part for your BOM.

Transistor, Photovoltaic Output Optoisolators specifications for HMHAA280R4

Description：OPTOISO 3.75KV TRANS 4-MINI-FLAT
Series：-
Mfr：onsemi
Package：Tape & Reel (TR)
Number of Channels：1
Voltage - Isolation：3750Vrms
Current Transfer Ratio (Min)：50% @ 5mA
Current Transfer Ratio (Max)：600% @ 5mA
Turn On / Turn Off Time (Typ)：-
Rise / Fall Time (Typ)：3µs, 3µs
Input Type：AC, DC
Output Type：Transistor
Voltage - Output (Max)：80V
Current - Output / Channel：50mA
Voltage - Forward (Vf) (Typ)：1.4V (Max)
Current - DC Forward (If) (Max)：50 mA
Vce Saturation (Max)：400mV
Operating Temperature：-55°C ~ 100°C
Mounting Type：Surface Mount
Package / Case：4-SOIC (0.173", 4.40mm Width)
Supplier Device Package：4-Mini-Flat

Transistor, Photovoltaic Output Optoisolators datasheet and documents for HMHAA280R4

HMHAA280R4

Transistor, Photovoltaic Output Optoisolators Overview

The HMHAA280R4 is a single-channel transistor output optocoupler manufactured by onsemi. It features an NPN phototransistor output and utilizes a surface-mount SMD-4 package. The device provides an insulation voltage of 3750 Vrms for electrical isolation. Key electrical parameters include a maximum collector-emitter voltage of 80 V, a maximum collector current of 50 mA, and a forward current rating of 50 mA. The typical rise and fall times are both 3 µs. The unit operates within a temperature range of -55°C to +100°C.

Transistor, Photovoltaic Output Optoisolators Feature Summary

Provides high-voltage electrical isolation between input and output circuits using a phototransistor configuration.
Features fast switching performance with symmetric rise and fall times suitable for digital signal transmission.
Designed for surface-mount assembly in compact four-pin Mini-Flat packages.

Transistor, Photovoltaic Output Optoisolators Applications

General-purpose digital signal isolation in industrial control systems
Interface circuits for microcontrollers requiring galvanic separation
Power supply feedback loops for voltage regulation

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify component authenticity through authorized distribution channels due to potential availability constraints. Confirm RoHS compliance status via the official datasheet before integration. Ensure storage conditions meet manufacturer specifications to maintain reliability. Check for end-of-life notices or obsolescence warnings prior to final design approval.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when a 3750 Vrms isolation barrier is required in a small surface-mount footprint. Consider the 80 V collector-emitter voltage limit for load compatibility. Evaluate the 50 mA forward current requirement against drive circuit capabilities. Compare propagation delays if higher speed isolation is needed.

Transistor, Photovoltaic Output Optoisolators Part Context

This part belongs to the HMHA series of optocouplers from onsemi. It is functionally similar to other variants in the family such as HMHAA280R2 and HMHA2801AV, differing primarily in packaging and specific electrical tolerances. The series targets applications needing reliable galvanic isolation in compact form factors.