XFM-2501-4WH - RF Micro Devices, Inc. (RFMD)

Features

1 of 2

RF MICRO DEVICES®, RFMD®, Optimum Technology Matching®, Enabling Wireless Connectivity™, PowerStar®, POLARIS™ TOTAL RADIO™ and UltimateBlue™ are trademarks of RFMD, LLC. BLUETOOTH is a trade-

mark owned by Bluetooth SIG, Inc., U.S.A. and licensed for use by RFMD. All other trade names, trademarks and registered trademarks are the property of their respective owners. ©2006, RF Micro Devices, Inc.

Product Description

7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical

support, contact RFMD at (+1) 336-678-5570 or sales-support@rfmd.com.

XFM-2501-4WH

1:4 SMT TRANSFORMER

The XFM-2501-4WH transformer is designed for applications that require small, low

cost, and highly reliable surface mount components. Applications may be found in

broadband, wireless, and other communications systems. These units are built Lead-

Free and RoHS Compliant. S-Parameters are available on request.

Frequency Range: 500MHz to

2500MHz

Impedance Ratio: 1:4, Unbalanced

to Balanced

Low Cost and RoHS Compliant

Industry Standard SMT package

Available in Tape-and-Reel

50Ω Nominal Impedance

DS100805

RoHS Compliant and Pb-Free Product

Package: S03

XFM-2501-

4WHXFM-

2501-4WH

Specifications

Parameter Specification Unit

Min. Typ. Max.

Frequency Range 500 2500 MHz

Insertion Loss <1dB 700 1200 MHz

Insertion Loss <2dB 600 1600 MHz

Insertion Loss <3dB 500 2500 MHz

Impedance Ratio 1:4

Type Unbalanced to Balanced

Input Return Loss

-50

-45

-40

-35

-30

-25

-20

-15

-10

-5

500 700 900 1100 1300 1500 1700 1900 2100 2300 2500

Frequency , MH z

Insertion Loss

-2

-1.8

-1.6

-1.4

-1.2

-1

-0.8

-0.6

-0.4

-0.2

500 700 900 1100 1300 1500 1700 1900 2100 2300 2500

Frequency , MHz

S21 S31

Schematic

2 of 2 DS100805

7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical

support, contact RFMD at (+1) 336-678-5570 or sales-support@rfmd.com.

XFM-2501-4WH

Amplitude Balance

-1

-0.8

-0.6

-0.4

-0.2

0.2

0.4

0.6

0.8

500 700 900 1100 1300 1500 1700 1900 2100 2300 2500

Frequency, M Hz

Phase Balance

160

162

164

166

168

170

172

174

176

178

180

500 700 900 1100 1300 1500 1700 1900 2100 2300 2500

Fre que ncy, M Hz

Degrees

Pin Out

Pin Name

1Secondary

2Secondary CT

3Secondary DOT

4Primary DOT

5Primary

Exceeding any one or a combination of the Absolute Maximum Rating conditions may cause

permanent damage to the device. Extended application of Absolute Maximum Rating condi-

tions to the device may reduce device reliability. Specified typical performance or functional

operation of the device under Absolute Maximum Rating conditions is not implied.

RoHS status based on EUDirective2002/95/EC (at time of this document revision).

The information in this publication is believed to be accurate and reliable. However, no

responsibility is assumed by RF Micro Devices, Inc. ("RFMD") for its use, nor for any infringe-

ment of patents, or other rights of third parties, resulting from its use. No license is granted

by implication or otherwise under any patent or patent rights of RFMD. RFMD reserves the

right to change component circuitry, recommended application circuitry and specifications

at any time without prior notice.

Absolute Maximum Ratings

Parameter Rating Unit

RF Power +33 dBm

Operating Temperature -55 to +100 °C

Storage Temperature -55 to +100 °C

Package Drawing - S03