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VIPER26HN The STMicroelectronics VIPER26HN is an offline switch IC designed for flyback topology. It offers 20W of power and operates within a voltage range of 11.5V to 23.5V.
Mfr Part #:

VIPER26HN

Available from 4 distributors
Mfr Name: STMicroelectronics
STMicroelectronics
The STMicroelectronics VIPER26HN is an offline switch IC designed for flyback topology. It offers 20W of power and operates within a voltage range of 11.5V to 23.5V.
✓ Total Stock: 15,198 pcs
$ Price Range: $0.75

VIPER26HN Available from 4 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Fe Components ✓
Non-Authorised Inventory information
12,400 pcs
On Request
12400 pcs On Request 1 On Request On Request On Request On Request On Request
Xingangxin ✓
Non-Authorised Inventory information
1,738 pcs
On Request
1738 pcs On Request 1 On Request On Request On Request On Request On Request
Braun Electronic Components ✓
Non-Authorised Inventory information
1,000 pcs
On Request
1000 pcs On Request 1 On Request On Request On Request On Request On Request
Bristol Electronics ✓
Non-Authorised Inventory information
60 pcs
On Request
60 pcs On Request 1 On Request On Request 2026-02-25 06:16:38 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.

VIPER26HN 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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VIPER26HN Description

Short technical summary and product information.

The STMicroelectronics VIPER26HN is an integrated circuit designed for AC/DC conversion, specifically functioning as an offline switch for flyback power supplies. This device operates within a voltage range of 11.5V to 23.5V and can deliver up to 20W of power.

 

Key electrical characteristics include a switching frequency of 115kHz and a duty cycle of 70%. It incorporates fault protection features such as current limiting and over-temperature protection, enhancing its reliability in demanding applications. The internal switch is integrated, simplifying circuit design.

 

This IC is housed in an 8-DIP package with 7 leads and is designed for through-hole mounting. The operating temperature range is from -40°C to 150°C (TJ), making it suitable for a variety of environmental conditions. The output isolation can be either type.

 

Compliance information indicates RoHS3 compliance, MSL 1, and REACH unaffected status, though these are noted as low confidence due to lack of verification.

VIPER26HN Quick Information

Product Type: Offline Switch IC
Canonical Name: VIPER26HN Offline Switch IC
Subcategory: Offline Switches

VIPER26HN Compliance

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

VIPER26HN Estimated Pricing

Qty Low High
1+ $0.75 $0.75

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

VIPER26HN Features

  • Offline switch IC for flyback topology.
  • 20W power output capability.
  • 11.5V to 23.5V operating voltage range.
  • 115kHz switching frequency.
  • Through hole mounting package.

VIPER26HN Applications

  • Used in AC to DC power supplies.
  • Suitable for flyback converter designs.
  • Enables offline power conversion.
  • Applications requiring 20W output.

VIPER26HN FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating voltage range of the VIPER26HN?

The operating voltage range is 11.5V to 23.5V.

What is the package type of the VIPER26HN?

The VIPER26HN is available in a 7-lead 8-DIP through-hole package.

What is the operating temperature range of the VIPER26HN?

-40°C to 150°C.

What is the switching frequency of the VIPER26HN?

115kHz.

What is the output power of the VIPER26HN?

20W.

What fault protection features does the VIPER26HN have?

Current limiting and over-temperature protection.

What topology does the VIPER26HN use?

Flyback.

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