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Mini-Circuits
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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
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IF/RF MICROWAVE COMPONENTS
50Ω 0.2 to 350 MHz
RF Transformer
Plug-In
CASE STYLE: A11
PRICE: $8.50 ea. QTY (1-9)
Outline Dimensions ( )
inch
mm
Maximum Ratings
Pin Connections
Operating Temperature -55°C to 100°C
Storage Temperature -55°C to 100°C
RF Power 0.25W
DC Current 30mA
Outline Drawing
Transformer Electrical Specifications
REV. B
M108294
TMO-4-1+
IG/TD/AM
070806
Typical Performance Data
Config. A
ABCDEF
.480 .500 .240 .255 .210 .230
12.19 12.70 6.10 6.48 5.33 5.84
G H J K wt
.100 .20 .14 .020 grams
2.54 5.08 3.56 0.51 1.9
Ω
RATIO
(Secondary/Primary)
FREQUENCY
(MHz) INSERTION LOSS*
3 dB
MHz 2 dB
MHz 1 dB
MHz
4 0.2-350 0.2-350 0.35-300 2-100
*Insertion Loss is referenced to mid-band loss, 0.5 dB typ.
PRIMARY DOT 1
PRIMARY 5
SECONDARY DOT 2
SECONDARY 6
SECONDARY CT 4
CASE GROUND 7, 8
NOT USED 3
FREQUENCY
(MHz) INSERTION
LOSS
(dB)
INPUT
R. LOSS
(dB)
Features
• excellent return loss
• hermetic case
Applications
• military, hi-rel requirements
• impedance matching
TMO-4-1+
+ RoHS compliant in accordance
with EU Directive (2002/95/EC)
The +Suffix has been added in order to identify RoHS
Compliance. See our web site for RoHS Compliance
methodologies and qualifications.
0.20 2.20 7.00
0.61 1.19 13.99
1.27 1.00 16.82
5.03 0.61 22.86
10.04 0.56 24.46
22.53 0.58 22.32
45.83 0.60 17.98
100.87 0.70 11.84
193.38 0.86 6.33
350.00 1.04 2.27
TMO-4-1+
INSERTION LOSS
0.0
1.0
2.0
3.0
4.0
5.0
0.1 1 10 100 1000
FREQUENCY (MHz)
INSERTION LOSS (dB)
TMO-4-1+
INPUT RETURN LOSS
0
10
20
30
40
50
0.1 1 10 100 1000
FREQUENCY (MHz)
RETURN LOSS (dB)
Permanent damage may occur if any of these limits are exceeded.
