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© Coilcraft, Inc. 2008
Specifications subject to change without notice.
Please check our website for latest information.
Document 194-2
Revised 10/21/08
Document 194-2
Surface Mount Wideband RF Transformers
Impedance
Insertion
Pins 1-3
Pins 6-4
ratio2
Bandwidth
Idc
loss max L min3 DCR max
L min3 DCR max
Type
Part number1
pri:sec
(MHz)
(mA)
(dB)
(µH)
(Ohms)
(µH)
(Ohms)
Color code
TTWB-1-AL_
1:1
0.08 - 450
250
0.60
40
0.070
40
0.070
Black Black Green
TTWB-1.5-AL_
1:1.5
0.03 - 300
250
0.35
110
0.080
160
0.110
Black Brown Green
TTWB-2-AL_
1:2
0.05 - 200
250
0.25
75
0.088
150
0.120
Black Red Green
TTWB-4-AL_
1:4
0.15 - 500
250
0.50
25
0.075
98
0.135
Black Yellow Green
TTWB-16-AL_
1:16
0.05 - 80
250
0.35
75
0.260
1250
0.910
Black Orange Green
TTWB1010L_
1:1
0.0035 - 125
250
0.20
780
0.320
780
0.320
Black Black Black
TTWB1010-1L_
1:1
0.03 - 250
250
0.20
95
0.200
95
0.200
Black Black Violet
TTWB1015L_
1:1.5
0.07 - 225
250
0.40
51
0.130
80
0.145
Black Black Brown
TTWB1040L_
1:4
0.15 - 400
250
0.40
25
0.115
95
0.160
Black Black Yellow
TTWB-1-BL_
1:1
0.13 - 425
250
0.40
22
0.070
22
0.070
Brown Black Green
TTWB-1.5-BL_
1:1.5
0.50 - 250
250
0.40
140
0.100
200
0.120
Brown Brown Green
TTWB-2-BL_
1:2
0.20 - 400
250
0.35
75
0.088
150
0.130
Brown Red Green
TTWB-4-BL_
1:4
0.14 - 700
250
0.50
25
0.075
98
0.135
Brown Yellow Green
TTWB-16-BL_
1:16
0.075 - 90
250
0.30
75
0.260
1250
0.910
Brown Orange Green
TTWB2010L_
1:1
0.0035 - 125
250
0.20
780
0.320
780
0.320
Brown Black Black
TTWB2010-1L_
1:1
0.03 - 250
250
0.20
95
0.200
95
0.200
Brown Black Violet
TTWB2040L_
1:4
0.15 - 400
250
0.40
25
0.115
95
0.160
Brown Black Yellow
TTWB-1-CL_
1:1
0.10 - 300
250
0.60
22
0.070
22
0.070
Red Black Green
TTWB-1.5-CL_
1:1.5
0.15 - 200
250
0.30
140
0.110
200
0.120
Red Brown Green
TTWB-2-CL_
1:2
0.13 - 285
250
0.30
75
0.105
150
0.130
Red Red Green
TTWB-4-CL_
1:4
0.14 - 500
250
0.50
25
0.075
98
0.135
Red Yellow Green
TTWB3010L_
1:1
0.0035 - 125
250
0.20
780
0.320
780
0.320
Red Black Black
TTWB3010-1L_
1:1
0.03 - 250
250
0.20
95
0.200
95
0.200
Red Black Violet
TTWB3015L_
1:1.5
0.07 - 225
250
0.40
51
0.130
80
0.145
Red Black Brown
TTWB3040L_
1:4
0.15 - 400
250
0.40
25
0.115
95
0.160
Red Black Yellow
1. When ordering, please specify termination and packaging codes:
TTWB-1-A
LD
Termination: L = RoHS compliant tin-silver-copper over silver-platinum-glass frit.
Special order: S = non-RoHS tin-lead (63/37).
Packaging:
D =13
″ machine ready reel. EIA-481 embossed plastic tape, 1000 parts per full reel.
B = Less than full reel. In tape, but not machine ready. To have a leader and trailer added ($25 charge), use code letter D instead.
2. Impedance ratio is for the full primary winding to the full secondary winding.
3. Inductance tested at 130 kHz, 0.1 Vrms, 0 Adc.
4. Electrical specifications at 25°C.
Refer to Doc 362 “Soldering Surface Mount Components” before soldering.
6
4
3
1
Type A
3
1
6
5
4
Type B
6
5
4
3
2
1
Type C