Features
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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.
XFP-2501-1UH
1:1 SMT TRANSFORMER
The XFP-2501-1UH 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 transformers are
built Lead-Free and RoHS Compliant. S-Parameters are available on request.
Frequency Range: 1MHz to
2500MHz
Impedance Ratio: 1:1, Unbalanced
to Unbalanced
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: S09
XFP-2501-1UH
XFP-2501-1UH
Specifications
Parameter Specification Unit
Min. Typ. Max.
Frequency Range 1 2500 MHz
Insertion Loss <1dB 5 1500 MHz
Insertion Loss <2dB 2 2200 MHz
Insertion Loss <3dB 1 2500 MHz
Impedance Ratio 1:1
Type Unbalanced to Unbalanced
Input Return Loss
-40
-35
-30
-25
-20
-15
-10
-5
0
0 500 1000 1500 2000 2500
Frequency, MHz
dB
Ins er t ion Loss
-2
-1.5
-1
-0.5
0
0.5
0 500 1000 1500 2000 2500
Frequency, MHz
dB
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.
XFP-2501-1UH
A m pl itude Bal a nce
-1
-0.5
0
0.5
1
0 500 1000 1500 2000 2500
Frequency, MHz
dB
Phase Balance
170
175
180
185
190
195
200
0 500 1000 1500 2000 2500
Fre quency, MHz
Degrees
Pin Out
Pin Name
1Secondary DOT
2NC
3Secondary
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 - S09
