HMHA281R2 The ON Semiconductor HMHA281R2 is a phototransistor output optocoupler featuring 3750Vrms isolation and a 4-SOIC surface mount package. It operates with a DC input and provides a 50mA output current.
Mfr Part #:

HMHA281R2

Available from 2 distributors
Mfr Name: On Semiconductor
On Semiconductor
The ON Semiconductor HMHA281R2 is a phototransistor output optocoupler featuring 3750Vrms isolation and a 4-SOIC surface mount package. It operates with a DC input and provides a 50mA output current.
Total Stock: 104,030 pcs
$ Price Range: $0.99

HMHA281R2 Available from 2 distributors

Authorised
Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Non-Authorised Inventory information
102,500 pcs
102500 pcs On Request 1 On Request On Request On Request On Request On Request
Non-Authorised Inventory information
1,530 pcs
1530 pcs On Request 1 On Request On Request On Request On Request On Request

HMHA281R2 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Halogen Free
Input Type
Mounting Type
Number of Channels
Operating Temperature
SVHC Present
Supplier Device Package
Vce Saturation (Max)

HMHA281R2 Description

Short technical summary and product information.

The ON Semiconductor HMHA281R2 is a phototransistor output optocoupler designed for signal isolation applications. It offers a high isolation voltage of 3750Vrms, making it suitable for applications requiring robust electrical separation.

 

Key electrical characteristics include a maximum DC forward current of 50mA and an output current capability of 50mA. The device exhibits a typical forward voltage of 1.3V and a maximum Vce saturation of 400mV. Its current transfer ratio ranges from a minimum of 50% at 5mA to a maximum of 600% at 5mA.

 

This optocoupler is housed in a 4-SOIC (Mini-Flat) package, designed for surface mounting. It operates within a temperature range of -55°C to 100°C. The HMHA281R2 is specified with a DC input type and a single channel.

 

Compliance information indicates RoHS3 compliance, REACH unaffected status, and Moisture Sensitivity Level 1. This component is suitable for various industrial and electronic applications where reliable signal isolation is critical.

HMHA281R2 Quick Information

Product Type: Optocoupler
Series: HMHA281
Canonical Name: ON Semiconductor HMHA281R2 Phototransistor Output Optocoupler
Subcategory: Phototransistor Output

HMHA281R2 Compliance

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

HMHA281R2 Estimated Pricing

Qty Low High
1+ $0.99 $0.99

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

HMHA281R2 Features

  • 3750Vrms isolation voltage rating.
  • 50mA maximum DC forward current.
  • 50mA output current capability.
  • Surface mount 4-SOIC package.
  • Wide operating temperature range.

HMHA281R2 Applications

  • Signal isolation in industrial control systems.
  • Interfacing microcontrollers with high-voltage circuits.
  • Feedback isolation in switch-mode power supplies.
  • Motor drive and inverter isolation.

HMHA281R2 FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating temperature range of the HMHA281R2?

-55°C to 100°C.

What package is the HMHA281R2 available in?

4-SOIC (0.173", 4.40mm Width) surface-mount package.

What is the isolation voltage of the HMHA281R2?

3750Vrms.

What is the current transfer ratio (CTR) range?

50% to 600% at 5mA forward current.

What is the maximum output voltage?

80V.

What is the typical forward voltage?

1.3V (maximum).

How many channels does the HMHA281R2 have?

1 channel.

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