Surface Mount
50Ω
RF Transformer
0.02 to 30 MHz
Maximum Ratings
Operating Temperature
Storage Temperature
RF Power
DC Current
-20°C to 85°C
55°C to 100°C
250mW
30mA
TT25-1+
TT25-1
Features
• excellent return loss
• also available with surface mount gull wing (KK81)
plug-in (X65) leads
CASE STYLE: W38
PRICE: $9.95 ea. QTY (1-9)
Pin Connections
PRIMARY DOT
PRIMARY
PRIMARY CT
SECONDARY DOT
SECONDARY
SECONDARY CT
4
6
5
3
1
2
Applications
+ 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.
• HF
• radio communication systems
• impedance matching
• ham radio
Transformer Electrical Specifications
Ω
RATIO
FREQUENCY
(MHz)
3 dB
MHz
25
0.02-30
0.02-30
INSERTION LOSS*
(Secondary/Primary)
2 dB
MHz
0.05-20
1 dB
MHz
0.1-10
Outline Drawing
* Below 0.05 MHz, Insertion Loss is specified for room temperature and above.
Typical Performance Data
FREQUENCY
(MHz)
INSERTION
LOSS
(dB)
2.72
1.86
1.18
0.80
0.48
0.37
0.27
0.30
1.46
2.60
INPUT
R. LOSS
(dB)
6.13
7.95
10.45
13.16
19.05
25.11
28.34
12.69
2.94
2.00
Outline Dimensions (
A
.30
7.62
B
.27
6.86
C
.23
5.84
D
.010
0.25
E
.042
1.07
inch
mm
)
F
.020
0.51
G
.100
2.54
H
.05
1.27
J
.09
2.29
K
.31
7.87
L
wt
.036 grams
0.50
0.91
0.02
0.03
0.05
0.07
0.15
0.30
1.01
4.66
20.13
30.00
TT25-1
INSERTION LOSS
5.0
INSERTION LOSS (dB)
TT25-1
INPUT RETURN LOSS
50
RETURN LOSS (dB)
40
30
20
10
0
0.01
Config. B
4.0
3.0
2.0
1.0
0.0
0.01
0.1
1
FREQUENCY (MHz)
10
100
0.1
1
FREQUENCY (MHz)
10
100
Mini-Circuits
ISO 9001 ISO 14001
CERTIFIED
RF/IF MICROWAVE COMPONENTS
®
minicircuits.com
REV. A
M98898
TT25-1
IG/TD/CP
070718
EW
ALL N
P.O. Box 350166, Brooklyn, New York 11235-0003 (718) 934-4500 Fax (718) 332-4661 For detailed performance specs & shopping online see Mini-Circuits web site
The Design Engineers Search Engine
Provides ACTUAL Data Instantly From MINI-CIRCUITS At:
www.minicircuits.com
MINI [ MINI-CIRCUITS ]
