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VIPER37LE The STMicroelectronics VIPER37LE is an offline switch for AC DC conversion, operating in a flyback topology. It supports a power output of 20W.
Mfr Part #:

VIPER37LE

Available from 2 distributors
Mfr Name: STMicroelectronics
STMicroelectronics
The STMicroelectronics VIPER37LE is an offline switch for AC DC conversion, operating in a flyback topology. It supports a power output of 20W.
✓ Total Stock: 14,700 pcs
$ Price Range: $0.75

VIPER37LE Available from 2 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Xingangxin ✓
Non-Authorised Inventory information
8,500 pcs
On Request
8500 pcs On Request 1 On Request On Request On Request On Request On Request
Fe Components ✓
Non-Authorised Inventory information
6,200 pcs
On Request
6200 pcs On Request 1 On Request On Request On Request On Request On Request
DistyParts aggregates offers from multiple distributors. Final prices, lead times and terms are subject to the distributors' discretion and may change without prior notice. DistyParts is not liable for any discrepancies.

VIPER37LE Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Duty Cycle
Fault Protection
Frequency
Internal Switch(s)
Mounting Type
Operating Temperature
Output Isolation
Power (Watts)
Supplier Device Package
Supplier Package
Topology
Voltage
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VIPER37LE Description

Short technical summary and product information.

The STMicroelectronics VIPER37LE is an integrated circuit designed for offline AC DC conversion, specifically functioning as an offline switch with a flyback topology. This component is housed in a 10-SDIP package and is suitable for through-hole mounting.

 

Key electrical specifications include an operating voltage range of 8.5V to 23.5V and a power output capability of 20W. The device operates at a frequency of 60kHz and features an 80% duty cycle. It incorporates internal switches and provides fault protection mechanisms such as current limiting, over-temperature, and over-voltage protection.

 

The operating temperature range for the VIPER37LE is from -40°C to 150°C (TJ). It is designed for isolated output configurations. The component is RoHS3 compliant and has a Moisture Sensitivity Level (MSL) of 1 Unlimited, indicating it is not sensitive to moisture and has an unlimited shelf life under standard conditions.

 

This offline switch is suitable for various power supply applications requiring efficient AC to DC conversion. Its through-hole mounting and robust protection features make it a reliable choice for designs needing a compact and effective power management solution.

VIPER37LE Quick Information

Product Type: AC DC Converter, Offline Switch
Canonical Name: VIPER37LE AC DC Converter, Offline Switch
Subcategory: Offline Switches

VIPER37LE Compliance

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

VIPER37LE Estimated Pricing

Qty Low High
1+ $0.75 $0.75

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

VIPER37LE Features

  • Offline switch with flyback topology.
  • 20W power output capability.
  • Wide operating voltage range.
  • Through-hole mounted 10-SDIP package.
  • Integrated fault protection features.

VIPER37LE Applications

  • Used in AC-DC power supplies for industrial equipment.
  • Designed for isolated offline power converter applications.
  • Suitable for low-power battery charger circuits.
  • Applicable in auxiliary power systems for home appliances.

VIPER37LE FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating voltage range of the VIPER37LE?

8.5V to 23.5V.

What is the maximum output power of the VIPER37LE?

20W.

What is the switching frequency of the VIPER37LE?

60kHz.

What is the operating temperature range of the VIPER37LE?

-40°C to 150°C (junction).

What package is the VIPER37LE available in?

10-SDIP (10-DIP) through-hole package.

Does the VIPER37LE have internal switches?

Yes, it includes internal switches.

What fault protection features does the VIPER37LE have?

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

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