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PSA361 - Positive Switching Regulator

Download the PSA361 datasheet PDF. This datasheet also covers the PSA55 variant, as both devices belong to the same positive switching regulator family and are provided as variant models within a single manufacturer datasheet.

General Description

Model Selection2 Functional Description3 Electrical Input Data4 Electrical Output Data6 Auxiliary Functions10 Electromagnetic Compatibility (EMC) 11 Immunity to Environmental Conditions12 Mechanical Data13 Safety and Installation Instructions14 Description of Options15 Accessories16 belfuse.com/p

Key Features

  • RoHS lead-free-solder and lead-solder-exempted products are available.
  • 5 year warranty for RoHS compliant products with an extended temperature range.
  • Input voltage up to 144 VDC.
  • Single output of 5 to 48 VDC.
  • No input-to-output isolation.
  • High efficiency up to 95%.
  • Extremely wide input voltage range.
  • Low input-to-output differential voltage.
  • Very good dynamic properties.
  • Input undervoltage lockout.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (PSA55-BelFuse.pdf) that lists specifications for multiple related part numbers.

Datasheet Details

Part number PSA361
Manufacturer Bel Fuse
File Size 1.97 MB
Description Positive Switching Regulator
Datasheet download datasheet PSA361 Datasheet

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Other Datasheets by Bel Fuse

Part Number Description
PSA121.5 Positive Switching Regulator
PSA123 Positive Switching Regulator
PSA151.5 Positive Switching Regulator
PSA153 Positive Switching Regulator
PSA241.5 Positive Switching Regulator

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
25 1.0" 50 2.0" 70 2.8" PSA/PSR Series Positive Switching Regulator The PSA/PSR Series of positive switching regulators are designed as power supplies for electronic systems when no input-to-output isolation is required. Their major advantages include a high level of efficiency, high reliability, low output ripple, and excellent dynamic response. Models with input voltages up to 144 V are especially designed for secondary-switched and battery-driven mobile applications. The regulators are suitable for railway applications according to EN 50155 and EN 50121. The case design allows for operation up to 71 °C. The PSA/PSR Series are designed for wall or chassis mounting with faston connections or with solder pins for insertion into a PCB.