What are the primary applications for this device?

It is widely used in industrial automation (PLC modules, sensor interfaces), smart meters, switching power supplies, and household appliance control circuits.

What is the CTR range of this optocoupler?

The Current Transfer Ratio (CTR) ranges from 20% to 300%.

What are the key electrical ratings?

It supports a collector-emitter breakdown voltage (BVCEO) of 80V and a maximum collector current (IC) of 50mA.

What should sourcing teams check before buying AT3H7B-CuH-S?

Check lifecycle (Active), compliance data, distributor availability, and approved-source coverage. Current sourcing signal: Low; readiness: easy.

What is the pinout of AT3H7B-CuH-S?

Use the AT3H7B-CuH-S datasheet for the official pinout diagram and pin names. In PartGenie, ask Datasheet AI about AT3H7B-CuH-S pinout to locate pins, power rails, and interface signals before layout.

AT3H7B-CuH-S Datasheet, Specs, Alternatives & ECAD | AOTE

AI summary

The AT3H7B-CuH-S is a reliable SSOP4 photo transistor optocoupler suitable for industrial and consumer signal isolation.

Best for

Industrial automation
Smart metering
Power supply feedback loops

Avoid if

Applications requiring extremely high-speed data transmission (use high-speed digital optocouplers instead)

Check before use

CTR binning requirements for your specific design

Key specifications

Isolation Voltage: 3750 Vrms
CTR Range: 20-300%
VCEO: 80 V
Package: SSOP4

Compliance & Environment

RoHS: Compliant
REACH: Compliant
MSL: 1
ECCN: -
HTSUS: -

Application

Industrial AutomationSmart MetersConsumer Electronics

Datasheet

41073a7e9f6856206255495b36e90097_2405090922_AOTE-AT3H7B-CuH-S_C20612660.pdf

800 KB

Datasheet AI

CAD Models

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3D Model

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Where to Buy

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Alternative components

Alternatives are being enriched. Analyze this part in PartGenie for the latest matches.

Design and risk insights

Questions & answers

It is a photo transistor optocoupler designed for electrical isolation between input and output circuits, featuring a 3750Vrms isolation rating.

AI summary

Best for

Avoid if

Check before use

Key specifications

Compliance & Environment

Application

Datasheet

CAD Models

Where to Buy

Alternative components

Design and risk insights

Questions & answers

What is the AT3H7B-CuH-S?+×

What are the primary applications for this device?+×

What is the CTR range of this optocoupler?+×

What are the key electrical ratings?+×

What should sourcing teams check before buying AT3H7B-CuH-S?+×

What is the pinout of AT3H7B-CuH-S?+×