INTERNET
http://www.minicircuits.com
P.O. Box 350166, Brooklyn, New York 11235-0003 (718) 934-4500 Fax (718) 332-4661
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
.27
.23
.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 0.5 to 800 MHz
RF Transformer
Surface Mount
T3-1-KK81+
T3-1-KK81
CASE STYLE: KK81
PRICE: $4.45 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
T3-1-KK81
IG/TD/CP
060807
Typical Performance Data
Config. D
+ 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
3
0.5-800
0.5-800
2-400
--
* Insertion Loss is referenced to mid-band loss, 1.25 dB typ.
T3-1-KK81
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)
PRIMARY DOT
6
PRIMARY
3
SECONDARY DOT
1
SECONDARY
3
CASE EXT.
3
NOT USED
2,4,5
FREQUENCY
(MHz)
INSERTION
LOSS
(dB)
INPUT
R. LOSS
(dB)
Features
· wideband, 0.5 to 800 MHz
· good return loss
· also available with plug-in (X65) & flat-pack (W38) leads
Applications
· impedance matching
· VHF/UHF
0.500
2.940
7.210
1.940
1.730
10.660
9.923
1.180
12.300
50.297
1.220
11.120
99.524
1.230
8.970
200.594
1.340
5.440
348.840
1.490
2.960
523.423
1.950
1.940
677.637
2.840
1.720
800.000
3.700
1.830
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