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
ratio
2
pri:sec
1:1
1:1.5
1:2
1:4
1:16
1:1
1:1
1:1.5
1:4
1:1
1:1.5
1:2
1:4
1:16
1:1
1:1
1:4
1:1
1:1.5
1:2
1:4
1:1
1:1
1:1.5
1:4
Insertion
loss max L min
3
DCR max
(dB)
(μH)
0.60
40
0.35
110
0.25
75
0.50
25
0.35
75
0.20
780
0.20
95
0.40
51
0.40
25
0.40
22
0.40
140
0.35
75
0.50
25
0.30
75
0.20
780
0.20
95
0.40
25
0.60
22
0.30
140
0.30
75
0.50
25
0.20
780
0.20
95
0.40
51
0.40
25
Pins 1-3
Pins 6-4
Bandwidth
(MHz)
0.08 - 450
0.03 - 300
0.05 - 200
0.15 - 500
0.05 - 80
0.0035 - 125
0.03 - 250
0.07 - 225
0.15 - 400
0.13 - 425
0.50 - 250
0.20 - 400
0.14 - 700
0.075 - 90
0.0035 - 125
0.03 - 250
0.15 - 400
0.10 - 300
0.15 - 200
0.13 - 285
0.14 - 500
0.0035 - 125
0.03 - 250
0.07 - 225
0.15 - 400
I
dc
(mA)
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
L min
3
DCR max
(μH)
40
160
150
98
1250
780
95
80
95
22
200
150
98
1250
780
95
95
22
200
150
98
780
95
80
95
Type
Part number
1
TTWB-1-AL_
TTWB-1.5-AL_
TTWB-2-AL_
TTWB-4-AL_
TTWB-16-AL_
TTWB1010L_
TTWB1010-1L_
TTWB1015L_
TTWB1040L_
TTWB-1-BL_
TTWB-1.5-BL_
TTWB-2-BL_
TTWB-4-BL_
TTWB-16-BL_
TTWB2010L_
TTWB2010-1L_
TTWB2040L_
TTWB-1-CL_
TTWB-1.5-CL_
TTWB-2-CL_
TTWB-4-CL_
TTWB3010L_
TTWB3010-1L_
TTWB3015L_
TTWB3040L_
(Ohms)
0.070
0.080
0.088
0.075
0.260
0.320
0.200
0.130
0.115
0.070
0.100
0.088
0.075
0.260
0.320
0.200
0.115
0.070
0.110
0.105
0.075
0.320
0.200
0.130
0.115
(Ohms)
0.070
0.110
0.120
0.135
0.910
0.320
0.200
0.145
0.160
0.070
0.120
0.130
0.135
0.910
0.320
0.200
0.160
0.070
0.120
0.130
0.135
0.320
0.200
0.145
0.160
Color code
Black Black Green
Black Brown Green
Black Red Green
Black Yellow Green
Black Orange Green
Black Black Black
Black Black Violet
Black Black Brown
Black Black Yellow
Brown Black Green
Brown Brown Green
Brown Red Green
Brown Yellow Green
Brown Orange Green
Brown Black Black
Brown Black Violet
Brown Black Yellow
Red Black Green
Red Brown Green
Red Red Green
Red Yellow Green
Red Black Black
Red Black Violet
Red Black Brown
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
Type A
1
3
Type B
1
6
5
4
6
5
4
3
Type C
2
1