# PRA100-48-S5 (Component) ## Description Isolated DC-DC Converter Module – 100 W regulated isolated DC-DC converter for industrial automation, railway systems, telecommunications, networking equipment, and embedded power applications. Accepts a 16.5 V to 74 V DC input (4:1 input range) and provides a regulated 5 V DC output at 20 A, delivering 100 W maximum output power. Features 3 kVDC input-to-output isolation, up to 93.5% efficiency, adjustable output voltage, remote ON/OFF control (positive logic), remote sense, and comprehensive protection including input undervoltage lockout (UVLO), overcurrent, overvoltage, overtemperature, and continuous short-circuit protection. Designed in an industry-standard 1/8-brick through-hole package (62.2 × 26.6 × 12.7 mm), it operates over a −40°C to +105°C temperature range (with derating) and is certified to UL/IEC/EN 62368-1, CE, UKCA, and cURus standards. #BelPowerSolutions #PRA10048S5 #PRA100Series #DCDCConverter #IsolatedPower #100WConverter #5V20A #PowerModule #IndustrialPower #RailwayElectronics #EmbeddedPower #EmbeddedSystems ## Component Details - **Owner:** silicon-yard - **Created:** 7/26/2026 - **Last Updated:** 7/26/2026 - **Visibility:** Public - **Manufacturer Part Number:** PRA100-48-S5 - **Symbol Style:** parametric-v1 - **Manufacturer Name:** Bel Power Solutions - **Mount:** Through Hole - **Datasheet URL:** https://www.belfuse.com/media/datasheets/products/power-supplies/PRA100.pdf - **Part Type:** Power Source - **Package or Case Code:** Module ## Distributor Pricing (qty 1) *Pricing shown for quantity 1. For price breaks and other quantities, open in Flux.* | Distributor | Unit Price (qty 1) | Stock | |------------|--------------------|-------| | [Arrow](https://www.arrow.com/en/products/pra100-48-s5/bel-power-solutions.html?utm_currency=USD&region=nac) | N/A | N/A | | [Mouser](https://www.mouser.com/en/ProductDetail/CUI-Inc/PRA100-48-S5?qs=HMhDvBYWqvP90CtgoxpnQg%3D%3D) | $185.81 | 20 | - **Part Type:** Integrated Circuits - **Sub-Type:** Logic - **MPN:** PRA100-48-S5 - **Mount Type:** Through Hole - **Package / Case Code:** Module - **Pin Count:** 8 ## Pins | Pin | Name | Type | |-----|------|------| | 1 | +VIN | | | 2 | ON/OFF | | | 3 | -VIN | | | 4 | -VOUT | | | 5 | -SENSE | | | 6 | TRIM | | | 7 | +SENSE | | | 8 | +VOUT | | --- *Generated from [https://www.flux.ai/silicon-yard/pra100-48-s5](https://www.flux.ai/silicon-yard/pra100-48-s5)*