1
RF 1:2 Transmission Line Transformer
1-1600 MHz
MABA-010247-2R1250
Rev. V3
• North America Tel: 800.366.2266 • Europe Tel: +353.21.244.6400
• India Tel: +91.80.43537383 • China Tel: +86.21.2407.1588
Visit www.macomtech.com for additional data sheets and product information.
M/A-COM Technology Solutions Inc. and its affiliates reserve the right to make
changes to the product(s) or information contained herein without notice.
ADVANCED: Data Sheets contain information regarding a product M/A-COM Technology Solutions
is considering for development. Performance is based on target specifications, simulated results,
and/or prototype measurements. Commitment to develop is not guaranteed.
PRELIMINARY: Data Sheets contain information regarding a product M/A-COM Technology
Solutions has under development. Performance is based on engineering tests. Specifications are
typical. Mechanical outline has been fixed. Engineering samples and/or test data may be available.
Commitment to produce in volume is not guaranteed.
Features
• Surface mount
• 1:2 impedance
• RoHS* Compliant
• 260
0
C reflow compatible
• Tape and Reel Package
Description
M/A-COM’s MABA-010247-2R1250 is a RoHS compliant 1:2
RF transmission line transformer in a low cost, surface
mount package. The windings of the MABA-010247-2R1250
are welded to the package substrate for improved reliability
and to eliminate lead content. Ideally suited for high volume
cellular and wireless application. Parts are packaged in tape
& reel.
Product Image
Pin Configuration
Pin No. Function
1 Secondary
2 GND
3 Secondary Dot
4 Primary Dot (Input)
5 Primary (GND)
* Restrictions on Hazardous Substances, European Union Directive 2002/95/EC.
Schematic
SM-197 package
Dimensions are inches (millimeters) ±0.015 (0.38) unless otherwise specified.
2
RF 1:2 Transmission Line Transformer
1-1600 MHz
MABA-010247-2R1250
Rev. V3
• North America Tel: 800.366.2266 • Europe Tel: +353.21.244.6400
• India Tel: +91.80.43537383 • China Tel: +86.21.2407.1588
Visit www.macomtech.com for additional data sheets and product information.
M/A-COM Technology Solutions Inc. and its affiliates reserve the right to make
changes to the product(s) or information contained herein without notice.
ADVANCED: Data Sheets contain information regarding a product M/A-COM Technology Solutions
is considering for development. Performance is based on target specifications, simulated results,
and/or prototype measurements. Commitment to develop is not guaranteed.
PRELIMINARY: Data Sheets contain information regarding a product M/A-COM Technology
Solutions has under development. Performance is based on engineering tests. Specifications are
typical. Mechanical outline has been fixed. Engineering samples and/or test data may be available.
Commitment to produce in volume is not guaranteed.
Absolute Maximum Ratings
1,2
Parameter Absolute Maximum
DC Power 250 mW
DC Current 50 mA
Operating Temperature -40°C to +85°C
Storage Temperature -55°C to +125°C
1. Exceeding any one or combination of these limits may cause
permanent damage to this device.
2. M/A-COM does not recommend sustained operation near
these survivability limits.
Electrical Specifications: T
A
= 25°C, Z
0
= 50Ω
ΩΩ
Ω
Parameter Test Conditions Units Min Typ Max
RF Frequency 1 - 1600 MHz - - -
Insertion Loss 1 - 750
750 - 1250
1250 -1600
dB
dB
dB
-
-
-
1.0
1.5
2.0
-
2.5
4.0
Amplitude Unbalance 1 - 1250
1250 - 1600
dB
dB
-
-
0.5
1.0
1.0
1.2
Phase Unbalance 1 - 1600 Degrees - 5 10
Test Conditions
-
-
-
-
Input Return Loss
-
1 - 500
500 - 1600
dB
dB
20
10
30
15
-
-
3
RF 1:2 Transmission Line Transformer
1-1600 MHz
MABA-010247-2R1250
Rev. V3
• North America Tel: 800.366.2266 • Europe Tel: +353.21.244.6400
• India Tel: +91.80.43537383 • China Tel: +86.21.2407.1588
Visit www.macomtech.com for additional data sheets and product information.
M/A-COM Technology Solutions Inc. and its affiliates reserve the right to make
changes to the product(s) or information contained herein without notice.
ADVANCED: Data Sheets contain information regarding a product M/A-COM Technology Solutions
is considering for development. Performance is based on target specifications, simulated results,
and/or prototype measurements. Commitment to develop is not guaranteed.
PRELIMINARY: Data Sheets contain information regarding a product M/A-COM Technology
Solutions has under development. Performance is based on engineering tests. Specifications are
typical. Mechanical outline has been fixed. Engineering samples and/or test data may be available.
Commitment to produce in volume is not guaranteed.
Input Return Loss Phase Unbalance
Amplitude Unbalance
Typical Performance Curves
Insertion Loss
-50
-40
-30
-20
-10
0
0 400 800 1200 1600
MHz
d B
-10
-5
0
5
10
15
0 400 800 1200 1600
MHz
D e g r e e
-3
-2
-1
0
0 400 800 1200 1600
MHz
dB
-1.4
-0.8
-0.2
0.4
1
0 400 800 1200 1600
MHz
dB
4
RF 1:2 Transmission Line Transformer
1-1600 MHz
MABA-010247-2R1250
Rev. V3
• North America Tel: 800.366.2266 • Europe Tel: +353.21.244.6400
• India Tel: +91.80.43537383 • China Tel: +86.21.2407.1588
Visit www.macomtech.com for additional data sheets and product information.
M/A-COM Technology Solutions Inc. and its affiliates reserve the right to make
changes to the product(s) or information contained herein without notice.
ADVANCED: Data Sheets contain information regarding a product M/A-COM Technology Solutions
is considering for development. Performance is based on target specifications, simulated results,
and/or prototype measurements. Commitment to develop is not guaranteed.
PRELIMINARY: Data Sheets contain information regarding a product M/A-COM Technology
Solutions has under development. Performance is based on engineering tests. Specifications are
typical. Mechanical outline has been fixed. Engineering samples and/or test data may be available.
Commitment to produce in volume is not guaranteed.
Tape & Reel Information
Ordering Information
Part Number Package
MABA-010247-2R1250 Tape and Reel (2000 piece Reel)
Item Dimension
Ao 4.55mm +/-0.1mm
Bo 4.75mm +/-0.1mm
Ko 3.10mm +/-0.1mm
W 12.00mm +/-0.3mm
P1 8.00mm +/-0.1mm
W
P1
DIRECTION OF FEED
Ao
Bo
Ko
