Hirose U.FL

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U.FL connector in a DSL Router next to a match head for
scale

An embedded RouterBoard 112
with U.FL-RSMA pigtail and R52 miniPCI Wi-Fi card.

U.FL, is a miniature coaxial RF connector for
high-frequency signals up to 6 GHz manufactured by Hirose Electric
Group in Japan.[1]
U.FL connectors are commonly used inside laptops and embedded systems to connect
the Wi-Fi antenna
to a Mini PCI card. Female U.FL
connectors are not designed with reconnection in mind, and they are only rated
for a few reconnects before replacement is needed. The female U.FL connectors
are generally not sold separately, but rather together with a high-quality 1.32
mm doubly-shielded cable, which allows for a low-loss connection.

The male connectors are surface-mounted
and soldered directly to the printed circuit
board. They are designed to have an impedance of 50 ohms. The
mated connection is only 2.5 mm high and takes 7.7 mm^2 of board space.

Much like many other electronic components, Hirose U.FL connectors are
protected by patents[2]
and trademarks. However, compatible connectors are on the market under names
such as IPEX, IPAX, IPX.[3],
MHF, and AMC.[4]
connectors.

[edit]
References

^ Ultra
Small Surface Mount Coaxial Connectors - Low Profile 1.9mm or 2.4mm Mated
Height U.FL Series. Hirose data sheet.

^ Surface-mounted, high-frequency coaxial connector. US Patent
5180315 (1993)

^ Lighthorse
Technologies INC catalog

^ JefaTech catalog

v • d • e

RF
connectors

N · BNC · TNC · F · SMA · SMB · SMC · TV Aerial
Plug · MMCX · MCX · FME · C · UHF · GR · Motorola · Musa · Mini-UHF · QMA/QN · APC-7 · EIA · Hirose
U.FL

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Retrieved from "http://en.wikipedia.org/wiki/Hirose_U.FL"

Categories: Coaxial
connectors | Electronics
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This page was last modified on 30 December 2008, at 12:34.

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