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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 0.3 to 140 MHz
RF Transformer
Surface Mount
CASE STYLE: W38
PRICE: $7.95 ea. QTY (1-9)
Outline Dimensions ( )
inch
mm
Maximum Ratings
Pin Connections
Operating Temperature -20°C to 85°C
Storage Temperature -55°C to 100°C
RF Power 0.25W
DC Current 30mA
Outline Drawing
Transformer Electrical Specications
REV. A
M98898
T8-1T
IG/TD/CP
070802
Typical Performance Data
Cong. A
A B C D E F
.30
.27
.23
.010
.042
.020
7.62 6.86 5.84 0.25 1.07 0.51
G
H
J
K
wt
.100
.05
.09
.31
.036
grams
2.54 1.27 2.29 7.87 0.91
0.50
Ω
RATIO FREQUENCY
(MHz)
INSERTION LOSS*
3 dB
MHz
2 dB
MHz
1 dB
MHz
8 0.3-140 0.3-140 0.7-90 1-60
*Insertion Loss is referenced to mid-band loss, 0.4 dB typ.
T8-1T
INSERTION LOSS
0.0
0.5
1.0
1.5
0 1 10 100 1000
FREQUENCY (MHz)
INSERTION LOSS (dB)
PRIMARY DOT 4
PRIMARY 6
SECONDARY DOT 3
SECONDARY 1
SECONDARY CT 2
NOT USED 5
FREQUENCY
(MHz)
INSERTION
LOSS
(dB)
INPUT
R. LOSS
(dB)
Features
• good return loss
• also available with surface mount gull wing (KK81)
plug-in (X65) leads
Applications
• VHF receivers/transmitters
• impedance matching
T8-1T+
T8-1T
0.30 0.66 15.02
0.78 0.57 16.74
2.87 0.42 18.05
10.54 0.40 17.12
49.74 0.46 8.63
81.07 0.56 5.31
97.98 0.67 4.11
114.26 0.80 3.35
126.99 0.94 2.87
140.00 1.15 2.40
T8-1T
INSERTION LOSS
0.0
0.5
1.0
1.5
0 1 10 100 1000
FREQUENCY (MHz)
INSERTION LOSS (dB)
T8-1T
INPUT RETURN LOSS
0
5
10
15
20
25
0 1 10 100 1000
FREQUENCY (MHz)
RETURN LOSS (dB)
Permanent damage may occur if any of these limits are exceeded.
+RoHS Compliant
The +Suffix identifies RoHS Compliance. See our web site
for RoHS Compliance methodologies and qualifications