© Coilcraft, Inc. 2005
Specifications subject to change without notice.
Please check our website for latest information.
Surface Mount Wideband RF Transformers
Document 194-1
Document 194-1 Revised 04/04/03
These wideband RF transformers provide excellent perfor-
mance at a very economical price. They come tapped or
untapped and are packaged in a low profile, flat top ceramic
case that makes them ideal for pick and place operations.
They feature 400 V rms isolation and 1/4 Watt RF input
power rating. Operating temperature range is -40° to +85°C.
Applications include impedance matching, voltage or
current transformation, DC isolation, balanced/unbal-
anced mixing, matching, power splitting, coupling and
signal inversion.
In addition to the standard parts shown, transformers with
other combinations of impedance ratio, insertion loss,
frequency response and current handling are available.
Coilcraft Designer’s Kit C129 contains samples of each
part. Order by phone or at http://order.coilcraft.com.
Impedance Insertion Pins 1-3 Pins 6-4
ratio Bandwidth Idc loss max L min DCR max L min DCR max
Type Part number Pri:Sec (MHz) (mA) (dB) (µH) (Ohms) (µH) (Ohms) Color code
TTWB-1-A 1:1 0.08 - 450 250 0.60 40 0.070 40 0.070 Black Black Green
TTWB-1.5-A 1:1.5 0.03 - 300 250 0.35 110 0.080 160 0.110 Black Brown Green
TTWB-2-A 1:2 0.05 - 200 250 0.25 75 0.088 150 0.120 Black Red Green
TTWB-4-A 1:4 0.15 - 500 250 0.50 25 0.075 98 0.135 Black Yellow Green
TTWB-16-A 1:16 0.05 - 80 250 0.35 75 0.260 1250 0.910 Black Orange Green
TTWB1010 1:1 0.0035 - 125 250 0.20 780 0.320 780 0.320 Black Black Black
TTWB1010-1 1:1 0.03 - 250 250 0.20 95 0.200 95 0.200 Black Black Violet
TTWB1015 1:1.5 0.07 - 225 250 0.40 51 0.130 80 0.145 Black Black Brown
TTWB1040 1:4 0.15 - 400 250 0.40 25 0.115 95 0.160 Black Black Yellow
TTWB-1-B 1:1 0.13 - 425 250 0.40 22 0.070 22 0.070 Brown Black Green
TTWB-1.5-B 1:1.5 0.50 - 250 250 0.40 140 0.100 200 0.120 Brown Brown Green
TTWB-2-B 1:2 0.20 - 400 250 0.35 75 0.088 150 0.130 Brown Red Green
TTWB-4-B 1:4 0.14 - 700 250 0.50 25 0.075 98 0.135 Brown Yellow Green
TTWB-16-B 1:16 0.075 - 90 250 0.30 75 0.260 1250 0.910 Brown Orange Green
TTWB2010 1:1 0.0035 - 125 250 0.20 780 0.320 780 0.320 Brown Black Black
TTWB2010-1 1:1 0.03 - 250 250 0.20 95 0.200 95 0.200 Brown Black Violet
TTWB2040 1:4 0.15 - 400 250 0.40 25 0.115 95 0.160 Brown Black Yellow
TTWB-1-C 1:1 0.10 - 300 250 0.60 22 0.070 22 0.070 Red Black Green
TTWB-1.5-C 1:1.5 0.15 - 200 250 0.30 140 0.110 200 0.120 Red Brown Green
TTWB-2-C 1:2 0.13 - 285 250 0.30 75 0.105 150 0.130 Red Red Green
TTWB-4-C 1:4 0.14 - 500 250 0.50 25 0.075 98 0.135 Red Yellow Green
TTWB3010 1:1 0.0035 - 125 250 0.20 780 0.320 780 0.320 Red Black Black
TTWB3010-1 1:1 0.03 - 250 250 0.20 95 0.200 95 0.200 Red Black Violet
TTWB3015 1:1.5 0.07 - 225 250 0.40 51 0.130 80 0.145 Red Black Brown
TTWB3040 1:4 0.15 - 400 250 0.40 25 0.115 95 0.160 Red Black Yellow
1. Operating temperature range -40°C to +85°C.
2. Electrical specifications at 25°C.
6
4
3
1
Type A
3
16
5
4
Type B
6
5
4
3
2
1
Type C
© Coilcraft, Inc. 2005
Specifications subject to change without notice.
Please check our website for latest information. Document 194-2 Revised 07/06/05
Document 194-2
Surface Mount Wideband RF Transformers
Dimensions
Part 3 dB 2 dB 1 dB
number (MHz) (MHz) (MHz)
TTWB-1-A 0.08 - 450 0.13 - 325 0.30 - 190
TTWB-1.5-A 0.03 - 300 0.035 - 250 0.06 - 150
TTWB-2-A 0.05 - 200 0.06 - 160 0.10 - 100
TTWB-4-A 0.15 - 500 0.24 - 300 0.60 - 140
TTWB-16-A 0.05 - 80 0.06 - 75 0.11 - 30
TTWB1010 0.0035 - 125 0.0045 - 100 0.007 - 80
TTWB1010-1 0.03 - 250 0.04 - 225 0.06 - 200
TTWB1015 0.07 - 225 0.10 - 200 0.20 - 125
TTWB1040 0.15 - 400 0.25 - 350 0.80 - 250
TTWB-1-B 0.13 - 425 0.18 - 325 0.32 - 190
TTWB-1.5-B 0.50 - 250 0.80 - 175 1.50 - 120
TTWB-2-B 0.20 - 400 0.225 - 275 0.50 - 150
TTWB-4-B 0.14 - 700 0.20 - 400 0.40 - 150
TTWB-16-B 0.075 - 90 0.11 - 75 0.20 - 65
TTWB2010 0.0035 - 125 0.0045 - 100 0.007 - 80
TTWB2010-1 0.03 - 250 0.04 - 225 0.06 - 200
TTWB2040 0.15 - 400 0.25 - 350 0.80 - 250
TTWB-1-C 0.10 - 300 0.13 - 200 0.20 -150
TTWB-1.5-C 0.15 - 200 0.225 - 150 0.35 - 100
TTWB-2-C 0.13 - 285 0.20 - 175 0.325 - 125
TTWB-4-C 0.14 - 500 0.20 - 230 0.40 - 110
TTWB3010 0.0035 - 125 0.0045 - 100 0.007 - 80
TTWB3010-1 0.03 - 250 0.04 - 225 0.06 - 200
TTWB3015 0.07 - 225 0.10 - 200 0.20 - 125
TTWB3040 0.15 - 400 0.25 - 350 0.80 - 250
1. Operating temperature range -40°C to +85°C.
2. Electrical specifications at 25°C.
Typical Frequency Response
1
+0.005 / 0.010
–
+0,127 / 0,254
–
6
2
5
3
4
0.250
6,35
0.185
4,70
Unless otherwise noted, tolerance
for all dimensions ±0.005/0,127.
0.240
6,10
0.240
6,10
0.040
1,02
0.035
0,89
0.180
4,57
654
123
0.050
1,27
0.050
1,27
0.250
6,35
0.170
4,32
0.045
1,14
Recommended
Land Pattern
1st color
dot over
pin 1
3rd color
dot over
pin 6
Weight: 0.37 – 0.43 g
Tape and reel: 1000/13″ reel 16 mm tape width
For packaging data see Tape and Reel Specifications section.
© Coilcraft, Inc. 2005
Specifications subject to change without notice.
Please check our website for latest information.
8
7
6
5
4
3
2
1
-1
0
0.01 0.1 110 100 1000
dBm Attenuation
Frequency (MHz)
8
7
6
5
4
3
2
1
-1
0
0.001 0.01 0.1 1 10 100
dBm Attenuation
Frequency (MHz)
8
7
6
5
4
3
2
1
-1
0
0.01 0.1 110 100 1000
dBm Attenuation
Frequency (MHz)
8
7
6
5
4
3
2
1
-1
0
0.01 0.1 110 100 1000
dBm Attenuation
Frequency (MHz)
8
7
6
5
4
3
2
1
-1
0
0.01 0.1 110 100 1000
dBm Attenuation
Frequency (MHz)
8
7
6
5
4
3
2
1
-1
0
0.01 0.1 110 100 1000
dBm Attenuation
Frequency (MHz)
8
7
6
5
4
3
2
1
-1
0
0.01 0.1 110 100 1000
dBm Attenuation
Frequency (MHz)
8
7
6
5
4
3
2
1
-1
0
0.01 0.1 110 100 1000
dBm Attenuation
Frequency (MHz)
8
7
6
5
4
3
2
1
-1
0
0.01 0.1 110 100 1000
dBm Attenuation
Frequency (MHz)
Document 194-3 Revised 10/23/02
Document 194-3
Type A Transformers
TTWB-1-A
3 dB bandwidth 0.08 - 450 MHz
TTWB-1.5-A
3 dB bandwidth 0.03 - 300 MHz
TTWB-2-A
3 dB bandwidth 0.05 - 200 MHz
TTWB-4-A
3 dB bandwidth 0.15 - 500 MHz
TTWB-16-A
3 dB bandwidth 0.05 - 80 MHz
TTWB1010-1
3 dB bandwidth 0.03 - 250 MHz
TTWB1015
3 dB bandwidth 0.07 - 225 MHz
TTWB1040
3 dB bandwidth 0.15 - 400 MHz
TTWB1010
3 dB bandwidth 0.0035 - 125 MHz
© Coilcraft, Inc. 2005
Specifications subject to change without notice.
Please check our website for latest information.
8
7
6
5
4
3
2
1
-1
0
0.01 0.1 110 100 1000
dBm Attenuation
Frequency (MHz)
8
7
6
5
4
3
2
1
-1
0
0.01 0.1 110 100 1000
dBm Attenuation
Frequency (MHz)
8
7
6
5
4
3
2
1
-1
0
0.01 0.1 110 100 1000
dBm Attenuation
Frequency (MHz)
8
7
6
5
4
3
2
1
-1
0
0.01 0.1 110 100 1000
dBm Attenuation
Frequency (MHz)
8
7
6
5
4
3
2
1
-1
0
0.01 0.1 110 100 1000
dBm Attenuation
Frequency (MHz)
8
7
6
5
4
3
2
1
-1
0
0.01 0.1 110 100 1000
dBm Attenuation
Frequency (MHz)
8
7
6
5
4
3
2
1
-1
0
0.01 0.1 110 100 1000
dBm Attenuation
Frequency (MHz)
8
7
6
5
4
3
2
1
-1
0
0.001 0.01 0.1 1 10 100
dBm Attenuation
Frequency (MHz)
Document 194-4 Revised 10/23/02
Type B Transformers
TTWB-1-B
3 dB bandwidth 0.13 - 425 MHz
TTWB-1.5-B
3 dB bandwidth 0.50 - 250 MHz
TTWB-2-B
3 dB bandwidth 0.20 - 400 MHz
TTWB-4-B
3 dB bandwidth 0.14 - 700 MHz
TTWB-16-B
3 dB bandwidth 0.075 - 90 MHz
TTWB2010-1
3 dB bandwidth 0.03 - 250 MHz
TTWB2040
3 dB bandwidth 0.15 - 400 MHz
Document 194-4
TTWB2010
3 dB bandwidth 0.0035-125 MHz
© Coilcraft, Inc. 2005
Specifications subject to change without notice.
Please check our website for latest information.
8
7
6
5
4
3
2
1
-1
0
0.01 0.1 110 100 1000
dBm Attenuation
Frequency (MHz)
8
7
6
5
4
3
2
1
-1
0
0.01 0.1 110 100 1000
dBm Attenuation
Frequency (MHz)
8
7
6
5
4
3
2
1
-1
0
0.01 0.1 110 100 1000
dBm Attenuation
Frequency (MHz)
8
7
6
5
4
3
2
1
-1
0
0.01 0.1 110 100 1000
dBm Attenuation
Frequency (MHz)
Document 194-5 Revised 06/17/03
Type C Transformers
TTWB-1-C
3 dB bandwidth 0.10 - 300 MHz
TTWB-1.5-C
3 dB bandwidth 0.15 - 200 MHz
TTWB-2-C
3 dB bandwidth 0.13 - 285 MHz
TTWB-4-C
3 dB bandwidth 0.14 - 50 MHz
TTWB3010
3 dB bandwidth .0035-125 MHz
TTWB3010-1
3 dB bandwidth .03 - 250 MHz
TTWB3015
3 dB bandwidth .07 - 225 MHz
TTWB3040
3 dB bandwidth .15 - 400 MHz
Document 194-5
8
7
6
5
4
3
2
1
-1
0
0.01 0.1 110 100 1000
dBm Attenuation
Frequency (MHz)
8
7
6
5
4
3
2
1
-1
0
0.01 0.1 110 100 1000
dBm Attenuation
Frequency (MHz)
8
7
6
5
4
3
2
1
-1
0
0.01 0.1 110 100 1000
dBm Attenuation
Frequency (MHz)
8
7
6
5
4
3
2
1
-1
0
0.001 0.01 0.1 1 10 100
dBm Attenuation
Frequency (MHz)
TTWB3010-1
3 dB bandwidth 0.03 - 250 MHz
TTWB3015
3 dB bandwidth 0.07 - 225 MHz
TTWB3040
3 dB bandwidth 0.15 - 400 MHz
TTWB3010
3 dB bandwidth 0.0035 - 125 MHz
