INTERNET http://www.minicircuits.com
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Distribution Centers NORTH AMERICA 800-654-7949 • 417-335-5935 • Fax 417-335-5945 • EUROPE 44-1252-832600 • Fax 44-1252-837010
Mini-Circuits®
Mini-Circuits ISO 9001 & ISO 14001 Certified
A
B
C
D
E
F
G
H
J
.30
.010
.042
.020
.100
.05
.05
7.62 6.86 5.84 0.25 1.07 0.51 2.54 1.27 1.27
K
L
M
N
P
Q
R
S
wt
.020
.036
.26
.575
.600
.125
.050
.100
grams
0.51 0.91 6.60 14.61 15.24 3.18 1.27 2.54
0.50
50 0.01 to 150 MHz
RF Transformer
Surface Mount T1-6-KK81+
T1-6-KK81
CASE STYLE: KK81
PRICE: $5.65 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 250mW
DC Current 30mA
Outline Drawing
Transformer Electrical Specifications
REV. A
M98898
T1-6-KK81
IG/TD/CP
060810
Typical Performance Data
Config. C
+ RoHS compliant in accordance
with EU Directive (2002/95/EC)
The +Suffix identifies RoHS Compliance. See our web site
for RoHS Compliance methodologies and qualifications.
RATIO FREQUENCY
(MHz)
INSERTION LOSS*
3 dB
MHz
2 dB
MHz
1 dB
MHz
1 0.01-150 0.01-150 0.02-100 0.05-50
* Insertion Loss is referenced to mid-band loss, 0.15 dB typ.
T1-6-KK81
INSERTION LOSS
0.0
1.0
2.0
3.0
0.01 0.1 1 10 100 1000
FREQUENCY (MHz)
INSERTION LOSS (dB)
PRIMARY DOT 4
PRIMARY 6
SECONDARY DOT 3
SECONDARY 1
SECONDARY CT
NOT USED 2,5
FREQUENCY
(MHz)
INSERTION
LOSS
(dB)
INPUT
R. LOSS
(dB)
Features
• good return loss
• also available with plug-in (X65) and flat-pack (W38) leads
Applications
• HF/VHF
• receivers/transmitters
0.01 1.53 3.51
0.02 0.58 7.36
0.05 0.18 14.35
0.10 0.13 20.32
0.20 0.13 26.00
50.00 0.54 9.38
76.89 0.97 6.19
100.00 1.37 4.61
143.59 2.26 2.79
150.00 2.43 2.57