HMA121AR1 The HMA121AR1 is an optocoupler from On Semiconductor featuring transistor output and photovoltaic output. It offers 3750Vrms isolation and operates with an input current of 50mA.
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HMA121AR1

Available from 1 distributors
Mfr Name: On Semiconductor
On Semiconductor
The HMA121AR1 is an optocoupler from On Semiconductor featuring transistor output and photovoltaic output. It offers 3750Vrms isolation and operates with an input current of 50mA.
Total Stock: 258,286 pcs
$ Price Range: $0.99

HMA121AR1 Available from 1 distributor

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HMA121AR1 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Lead Style
Mounting Type
Output Current / Channel
Reverse Voltage
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HMA121AR1 Description

Short technical summary and product information.

The HMA121AR1 is an optocoupler manufactured by On Semiconductor, designed for signal isolation applications. This component features a transistor output and photovoltaic output, providing a reliable interface between different voltage domains.

 

Key electrical specifications include a DC isolation voltage of 3750Vrms and an output current capability of 80mA. The current transfer ratio (CTR) ranges from a minimum of 100% at 5mA to a maximum of 300% at 5mA. The device has a reverse voltage rating of 80V and a maximum Vce saturation voltage of 400mV.

 

Packaged in a 4-SMD surface mount case, the HMA121AR1 is suitable for various electronic designs. The RoHS status is reported as RoHS3 Compliant, and the Moisture Sensitivity Level (MSL) is Level 1 Unlimited.

 

This optocoupler is a component within the broader category of isolators, specifically optoisolators with transistor and photovoltaic outputs. Its specifications make it suitable for applications requiring electrical isolation and signal coupling.

HMA121AR1 Quick Information

Product Type: Optocoupler
Series: HMA121
Canonical Name: Optocoupler Transistor Output 4-SMD
Subcategory: Transistor, Photovoltaic Output

HMA121AR1 Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

HMA121AR1 Estimated Pricing

Qty Low High
1+ $0.99 $0.99

Estimated market price range - modelled values for guidance only, not live distributor offers.

HMA121AR1 Features

  • 3750Vrms DC isolation voltage.
  • 80mA maximum output current.
  • 100% to 300% current transfer ratio.
  • 4-SMD surface mount package.
  • RoHS3 Compliant status.

HMA121AR1 Applications

  • Used for signal isolation in power supplies.
  • Ideal for industrial automation interfaces.
  • Suitable for microcontroller output isolation.
  • Applications requiring high voltage galvanic isolation.

HMA121AR1 FAQs

7 frequently asked questions generated from this part’s specifications.
What is the isolation voltage of the HMA121AR1?

The HMA121AR1 provides a DC isolation voltage of 3750 Vrms.

What is the current transfer ratio (CTR) range?

The CTR ranges from 100% to 300% at 5mA input current.

What is the maximum output current per channel?

The maximum output current per channel is 80mA.

What is the maximum input current?

The maximum input current is 50mA.

What is the maximum reverse voltage?

The maximum reverse voltage is 80V.

What is the maximum Vce saturation voltage?

The maximum Vce saturation voltage is 400mV.

What is the package type?

The HMA121AR1 is housed in a 4-SMD package and is surface mount.

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