VIPER37HE The STMicroelectronics VIPER37HE is an offline switch IC designed for AC DC conversion. It operates with an input voltage range of 8.5V to 23.5V and delivers up to 20W of power.
Mfr Part #:

VIPER37HE

Available from 2 distributors
Mfr Name: STMicroelectronics
STMicroelectronics
The STMicroelectronics VIPER37HE is an offline switch IC designed for AC DC conversion. It operates with an input voltage range of 8.5V to 23.5V and delivers up to 20W of power.
✓ Total Stock: 3,759 pcs
$ Price Range: $0.75

VIPER37HE 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
2,500 pcs
2500 pcs On Request 1 On Request On Request On Request On Request On Request
Non-Authorised Inventory information
1,259 pcs
1259 pcs On Request 1 On Request On Request On Request On Request On Request

VIPER37HE Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Duty Cycle
Fault Protection
Frequency
Internal Switch(s)
Lead Spacing
Mounting Type
Operating Temperature
Output Isolation
Power (Watts)
SVHC Present
Supplier Device Package
Topology
Voltage

VIPER37HE Description

Short technical summary and product information.

The STMicroelectronics VIPER37HE is an offline switch IC belonging to the AC DC Converters and Offline Switches category. This component is designed for flyback topologies and features an integrated switch, making it suitable for power supply designs.

 

Key electrical specifications include an operating voltage range of 8.5V to 23.5V, a maximum power output of 20W, and a switching frequency of 115kHz. It supports an 80% duty cycle and offers fault protection including current limiting, over temperature, and over voltage.

 

The VIPER37HE is housed in a 10-SDIP package and is designed for through-hole mounting. Its operating temperature range is -40°C to 150°C (TJ). The component is RoHS3 compliant and has an MSL rating of 1.

 

This IC is suitable for various AC DC power conversion applications where isolated output is required.

VIPER37HE Quick Information

Product Type: AC DC Converter
Series: VIPER
Canonical Name: VIPER37HE Offline Switch IC
Subcategory: AC DC Converters

VIPER37HE Compliance

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

VIPER37HE Estimated Pricing

Qty Low High
1+ $0.75 $0.75

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

VIPER37HE Features

  • Offline switch IC for AC DC conversion.
  • Integrated switch for flyback topology.
  • Operates from 8.5V to 23.5V input.
  • Delivers up to 20W of power.
  • 115kHz switching frequency.

VIPER37HE Applications

  • Used in AC-DC flyback power supplies
  • Suitable for isolated offline switch converters
  • Ideal for 20W power conversion applications
  • Works in wide voltage range power systems
  • Applied in over-temperature protected designs

VIPER37HE FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating voltage range of the VIPER37HE?

The operating voltage range is 8.5V to 23.5V.

What is the package type of the VIPER37HE?

It comes in a 10-SDIP through-hole package with standard 10-SDIP (0.300", 7.62mm) dimensions.

What is the operating temperature range?

-40°C to 150°C (junction temperature).

What is the switching frequency of the VIPER37HE?

115kHz.

What is the maximum output power?

20W.

What topology does the VIPER37HE use?

Flyback topology.

What fault protections are included?

Current limiting, over-temperature protection, and over-voltage protection.

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