ISO 9001 ISO 14001 AS 9100 CERTIFIED
Mini-Circuits
®
P.O. Box 350166, Brooklyn, New York 11235-0003 (718) 934-4500 Fax (718) 332-4661
The Design Engineers Search Engine Provides ACTUAL Data Instantly at
®
Notes: 1. Performance and quality attributes and conditions not expressly stated in this specification sheet are intended to be excluded and do not form a part of this specification sheet. 2. Electrical specifications
and performance data contained herein are based on Mini-Circuit’s applicable established test performance criteria and measurement instructions. 3. The parts covered by this specification sheet are subject to
Mini-Circuits standard limited warranty and terms and conditions (collectively, “Standard Terms”); Purchasers of this part are entitled to the rights and benefits contained therein. For a full statement of the Standard
Terms and the exclusive rights and remedies thereunder, please visit Mini-Circuits’ website at www.minicircuits.com/MCLStore/terms.jsp.
For detailed performance specs
& shopping online see web site
minicircuits.com
IF/RF MICROWAVE COMPONENTS
50Ω 500 to 2500 MHz
RF Transformer
Surface Mount
CASE STYLE: AT1521
PRICE: $2.09 ea. QTY (20)
$1.09 ea. QTY (100)
Maximum Ratings
Pin Connections
Features
• PCS
• cellular
PRIMARY DOT 6
PRIMARY 4
SECONDARY DOT 3
SECONDARY 1
SECONDARY CT 2
Applications
OperatingTemperature -40°Cto85°C
StorageTemperature -55°Cto100°C
RFPower 0.25W
DCCurrent 30mA
REV. OR
M133852
TC4-25X+
IG/TD/AM
120508
Config. H
*InsertionLossisreferencedtomid-bandloss,0.2dBtyp.
TC4-25X+
•wideband,500-2500MHz
•balancedtransmissionlinewithsecondarycentertap
•goodreturnloss
•plasticbasewithleads
•aqueouswashable
Transformer Electrical Specifications
FREQUENCY
(MHz)
INSERTION
LOSS
(dB)
INPUT
R. LOSS
(dB)
Typical Performance Data
400.00 1.66 6.09
500.00 1.07 8.37
600.00 0.74 10.92
700.00 0.54 13.81
800.00 0.42 17.29
900.00 0.38 21.02
1000.00 0.37 22.67
1100.00 0.40 20.79
1200.00 0.43 18.40
1300.00 0.48 16.41
1400.00 0.53 14.94
1500.00 0.59 13.79
1600.00 0.64 12.90
1800.00 0.74 11.65
2000.00 0.84 10.75
2200.00 0.96 10.03
2400.00 1.08 9.35
2500.00 1.14 8.96
2800.00 1.38 7.82
3000.00 1.59 7.06
Ω
RATIO
(Secondary/Primary)
FREQUENCY
(MHz)
INSERTION LOSS*
3 dB
MHz
2 dB
MHz
1 dB
MHz
4500-2500 500-2500 700-1500 750-1200
Permanentdamagemayoccurifanyoftheselimitsareexceeded.
Outline Drawing AT1521
Outline Dimensions ( )
inch
mm
PCB Land Pattern
Suggested Layout,
Tolerance to be within
±
.002
Notes:
1. Case Material: Plastic
2. Termination Finish: Tin plate over Nickel plate.
3. Lead#1 identifier shall be located in the cross-hatched area shown, on bottom view.
Identifier may be either a molded or marked feature.
4. Top-Hat total thickness: .013 inches max.
A B C D E F
.150 .150 .160 .050 .040 .025
3.81 3.81 4.06 1.27 1.02 0.64
G H J K wt
.028 .065 .190 .030 grams
0.71 1.65 4.83 0.76 0.15
TC4-25+
INSERTION LOSS
0.0
0.5
1.0
1.5
2.0
2.5
0 500 1000 1500 2000 2500 3000
FREQUENCY (MHz)
INSERTION LOSS (dB)
TC4-25+
INPUT RETURN LOSS
0
5
10
15
20
25
0 500 1000 1500 2000 2500 3000
FREQUENCY (MHz)
RETURN LOSS (dB)
+RoHS Compliant
The +Suffix identifies RoHS Compliance. See our web site
for RoHS Compliance methodologies and qualifications
Available Tape and Reel
at no extra cost
Reel Size Devices/Reel
7” 20, 50, 100, 200, 500
13” 1000, 2000