![](http://datasheet.mmic.net.cn/210000/GA3372-AL_datasheet_15434543/GA3372-AL_1.png)
Coilcraft, Inc. 2009
Specification subject to change without notice.
Please check our website for latest information.
Document 651-1
Document 651-1
Revised 04/30/09
Flyback Transformers
For complete specifications see www.coilcraft.com
Nominal
freq.
(kHz)
L at
0 A
(μH)
Part
number
Telecom input (36 – 72 Vdc)
B0226-EL
2.0
Power
(W)
Turns ratio
DCR (Ohms)
sec
Body
size
Output
Aux
/
bias
pri
:
sec pri
:
aux
/
bias
pri
aux
/
bias Schem
Mtg
Designed for
12 V, 167 mA
12 V, 3 mA
3.3 V, 0.91 A
3.3 V, 0.91 A
5.0 V, 0.6 A
5.0 V, 0.6 A
12 V, 0.25 A
12 V, 0.25 A
1.8 V, 3.3 A
1.8 V, 3.3 A
1.8 V, 3.3 A
2.5 V, 2.4 A
2.5 V, 2.4 A
2.5 V, 2.4 A
3.3 V, 1.8 A
3.3 V, 1.8 A
3.3 V, 1.8 A
5.0 V, 1.2 A
5.0 V, 1.2 A
5.0 V, 1.2 A
12 V, 0.5 A
12.0 V, 0.5 A
12.0 V, 0.5 A
3.3 V, 3 A
3.3 V, 2.12 A
3.3 V, 2.12 A
5.0 V, 1.4 A
5.0 V, 1.4 A
12 V, 0.6 A
12 V, 0.6 A
3.3 V, .5 A
2.5 V, 1.5 A
1.8 V, 2.5 A
5 V, 2 A
3.3 V, 3.3 A
—
1000
1 : 0.36
1 : 0.36
1 : 0.19
1 : 0.19
1 : 0.28
1 : 0.28
1 : 0.70
1 : 0.70
1 : 0.07
1 : 0.063
1 : 0.063
1 : 0.08
1 : 0.083
1 : 0.083
1 : 0.11
1 : 0.100
1 : 0.100
1 : 0.15
1 : 0.143
1 : 0.143
1 : 0.35
1 : 0.333
1 : 0.333
1 : 0.333
1 : 0.19
1 : 0.19
1 : 0.262
1 : 0.262
1 : 0.667
1 : 0.667
1 : 0.104
1 : 0.042
1 : 0.042
1 : 0.12
1 : 0.20
—
120
0.364
0.248
0.248
2.01
2.01
2.01
2.01
2.01
2.01
0.005
0.017
0.018
0.005
0.027
0.017
0.007
0.026
0.026
0.009
0.043
0.033
0.017
0.083
0.074
0.15
0.822
0.822
0.822
0.822
0.822
0.822
0.065
0.015
0.030
0.010
0.026
—
B
2
SM
On Semi NCP1030
POE30P-33L
C1590-AL
POE30P-50L
C1591-AL
POE30P-12L
C1592-AL
POE60F-18L
POE60C-18L
POE60D-18L
POE60F-25L
POE60C-25L
POE60D-25L
POE60F-33L
POE60C-33L
POE60D-33L
POE60F-50L
POE60C-50L
POE60D-50L
POE60F-12L
POE60C-12L
POE60D-12L
A0009-AL
POE70P-33L
C1587-AL
POE70P-50L
C1588-AL
POE70P-12L
C1589-AL
D1766-AL
3.0
3.0
3.0
3.0
3.0
3.0
6.0
6.0
6.0
6.0
6.0
6.0
6.0
6.0
6.0
6.0
6.0
6.0
6.0
6.0
6.0
6.6
7.0
7.0
7.0
7.0
7.0
7.0
10
12 V, 20 mA
12 V, 20 mA
12 V, 20 mA
12 V, 20 mA
12 V, 20 mA
12 V, 20 mA
12 V, 20 mA
12 V, 20 mA
12 V, 20 mA
12 V, 20 mA
12 V, 20 mA
12 V, 20 mA
12 V, 20 mA
12 V, 20 mA
12 V, 20 mA
12 V, 20 mA
12 V, 20 mA
12 V, 20 mA
12 V, 20 mA
12 V, 20 mA
12 V, 20 mA
24 V
12 V, 20 mA
12 V, 20 mA
12 V, 20 mA
12 V, 20 mA
12 V, 20 mA
12 V, 20 mA
—
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
100
250
10
250
10
250
10
200
1 : 0.70
1 : 0.70
1 : 0.70
1 : 0.70
1 : 0.70
1 : 0.70
1 : 0.36
1 : 0.344
1 : 0.344
1 : 0.33
1 : 0.333
1 : 0.333
1 : 0.36
1 : 0.333
1 : 0.333
1 : 0.35
1 : 0.343
1 : 0.357
1 : 0.35
1 : 0.333
1 : 0.333
1 : 1
1 : 0.667
1 : 0.667
1 : 0.667
1 : 0.667
1 : 0.667
1 : 0.667
—
310
310
310
310
310
310
75
167
75
55
177
80
65
184
85
60
193
90
55
204
95
100
155
155
155
155
155
155
221
1.02
1.02
1.02
1.02
1.04
1.04
0.195
0.303
0.311
0.095
0.353
0.219
0.138
0.286
0.285
0.130
0.344
0.271
0.095
0.293
0.265
0.15
0.414
0.414
0.414
0.414
0.414
0.414
0.420
0.066
0.066
0.118
0.118
0.70
0.70
0.195
0.57
0.575
0.15
0.66
0.388
0.18
0.515
0.53
0.165
0.66
0.529
0.15
0.545
0.484
0.012
0.036
0.036
0.06
0.06
0.343
0.343
—
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
C
4
4
4
4
4
4
9
6
6
9
6
6
9
6
6
9
6
6
9
6
6
SM
SM
SM
SM
SM
SM
SM
SM
SM
SM
SM
SM
SM
SM
SM
SM
SM
SM
SM
SM
SM
SM
SM
SM
SM
SM
SM
SM
SM
PoE
NSC LM5070
PoE
NSC LM5070
PoE
NSC LM5070
PoE
PoE
PoE
PoE
PoE
PoE
PoE
PoE
PoE
PoE
PoE
PoE
PoE
PoE
PoE
NSC LM5000
PoE
NSC LM5070
PoE
NSC LM5070
PoE
NSC LM5070
Linear LTC4267
13
7
7
7
7
7
7
14
C1048-AL
FA2519-AL
10
11
15 V, 0.2 A
10 V, 20 mA
250
250
1 : 0.47
1 : 0.60
94
55
0.210
0.026
0.453
0.388
D
D
9
SM
SM
Linear LT1725
NSC LM5071, LM5072
14
Body size 3
Body size 8
Body size 5
Body size 14
Body size 4
This list of dc-dc and off-line switching converter transformers are stocked for immediate delivery and may be sampled at no cost.
They are organized by input and sorted by output. These transformers also operate well in applications with power levels other than
those shown and at a wide range of frequencies. The nominal frequency and circuit reference are only provided as a guide.
A selection of flyback transfomers designed as capacitor chargers are shown at the top of page 4.
If no transformer shown here meets your design criteria, consult Document 627 “Coilcraft Structured Design Guide for Switching
Transformers” for a step-by-step guide to transformer design, or contact Coilcraft for assistance.