# 20449-001E-03 (Component) ## Description I-PEX MHF4 Connector Receptacle, Male Pin 50 Ohms Surface Mount Solder The 20449-001E-03 is an ultra-miniature MHF4 RF coaxial receptacle connector from I-PEX designed for high-frequency wireless applications such as Wi-Fi, Bluetooth, LTE, GNSS, and cellular antenna connections in compact electronic devices. It is a surface-mount RF connector optimized for miniature coaxial cable assemblies and high-density PCB layouts. Key Features Ultra-small MHF4 RF coaxial receptacle Supports frequencies up to 9 GHz Characteristic impedance: 50 Ω Surface-mount (SMT) PCB mounting Snap-on mating mechanism Compact footprint for space-constrained designs Gold-plated center contact for improved conductivity and corrosion resistance Uses: MHF4 compatible RF cables and antenna assemblies High-reliability micro RF interconnect Operating temperature: −40°C to +90°C Rated voltage: 60 V Approximate mating cycle rating: 30 cycles Constructed with: Brass contacts LCP (Liquid Crystal Polymer) dielectric material RoHS compliant Typical Applications Wi-Fi modules LTE/5G modules GNSS/GPS antennas Bluetooth devices IoT devices Embedded wireless systems Compact handheld electronics RF communication modules ## Component Details - **Owner:** adrian95 - **Created:** 5/14/2026 - **Last Updated:** 5/14/2026 - **Visibility:** Public - **Manufacturer Part Number:** 20449-001E-03 - **Mount:** Surface Mount - **Package or Case Code:** 4-SMD - **Datasheet URL:** https://www.i-pex.com/sites/default/files/downloads/pdf/2D_MHF_4_RECEPTACLE_20449_1C22.pdf - **Manufacturer Name:** I-PEX - **Part Type:** Connectors - **License:** https://creativecommons.org/licenses/by/4.0/ - **Used in:** 16 projects ## Distributor Pricing (qty 1) *Pricing shown for quantity 1. For price breaks and other quantities, open in Flux.* | Distributor | Unit Price (qty 1) | Stock | |------------|--------------------|-------| | [Verical](https://www.verical.com/pd/ipex-connectors-rf-connector-20449-001E-03-7001736?utm_currency=USD) | N/A | N/A | - **Part Type:** Connectors - **Sub-Type:** RF / Coaxial Connectors - **MPN:** 20449-001E-03 - **Mount Type:** Surface Mount - **Package / Case Code:** CRYSTAL-SMD - **Pin Count:** 4 - **Compliance:** Rohs ## Pins | Pin | Name | Type | |-----|------|------| | 1 | ~ | | | 2 | ~ | | | 3 | ~ | | | 4 | ~ | | --- *Generated from [https://www.flux.ai/adrian95/20449-001e-03](https://www.flux.ai/adrian95/20449-001e-03)*