Coilcraft Flyback Transformer List - 36-57 Vdc Input
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Flyback Transformers (Telecom input, 36 – 57 Vdc)

Input range:
Telecom (36 – 72 Vdc)  |  Telecom extended (10 – 72 Vdc)  |  3.3 – 36 Vdc  |  400 Vdc  |  AC line

If no transformer meets your design criteria, review the application note Using Standard Transformers in Multiple Applications, consult the Coilcraft Structured Design Guide for Switching Transformers for a step-by-step guide to transformer design, or contact Coilcraft for assistance.

Can these transformers be used in different applications or topologies?
Power
(W)		 Output L at 0 A
(µH)		 Pri : sec
tutrns ratio		 Nom
freq. (kHz)		 Part number
Click for details		 Designed for
2.0 12 V, 167 mA
12 V, 3 mA		 120 1 : 0.36
1 : 0.36		 1000 B0226-EL On Semi NCP1030 
2.2 3.3 V, 0.2 A
2.5 V, 0.6 A		 255 1 : 0.10
1 : 0.075		 275 C1154-BL Maxim MAX5941A
3.0 3.3 V, 0.9 A  310 1 : 0.14 250 PA6595-AL TI TPS23753A
3.0 3.3 V, 0.91 A  310 1 : 0.19 250 POE30P-33L PoE
3.0 3.3 V, 0.91 A  310 1 : 0.19 250 C1590-AL TI LM5070
3.0 5 V,  0.6 A  310 1 : 0.28 250 POE30P-50L PoE
3.0 5 V,  0.6 A  310 1 : 0.28 250 C1591-AL TI LM5070
3.0 12 V, 0.25 A  310 1 : 0.70 250 POE30P-12L PoE
3.0 12 V, 0.25 A  310 1 : 0.70 250 C1592-AL TI LM5070
5.0 3.3 V, 1.5 A 50 1 : 0.166 1000 C1453-AL TI PMP717 
6.0 1.8 V, 3.3 A 75 1 : 0.07 250 POE60F-18L PoE
6.0 1.8 V, 3.3 A 75 1 : 0.063 250 POE60D-18L PoE
6.0 1.8 V, 3.3 A 167 1 : 0.063 250 POE60C-18L PoE
6.0 2.5 V, 2.4 A 55 1 : 0.08 250 POE60F-25L PoE
6.0 2.5 V, 2.4 A  80 1 : 0.083 250 POE60D-25L PoE
6.0 2.5 V, 2.4 A  177 1 : 0.083 250 POE60C-25L PoE
6.0 3.3 V, 1.8 A 65 1 : 0.11 250 POE60F-33L PoE
6.0 3.3 V, 1.8 A  85 1 : 0.10 250 POE60D-33L PoE
6.0 3.3 V, 1.8 A  184 1 : 0.10 250 POE60C-33L PoE
6.0 5 V,  1.2 A 60 1 : 0.15 250 POE60F-50L PoE
6.0 5 V,  1.2 A  90 1 : 0.143 250 POE60D-50L PoE
6.0 5 V,  1.2 A  193 1 : 0.143 250 POE60C-50L PoE
6.0 12 V, 0.5 A 55 1 : 0.35 250 POE60F-12L PoE
6.0 12 V, 0.5 A  95 1 : 0.333 250 POE60D-12L PoE
6.0 12 V, 0.5 A  204 1 : 0.333 250 POE60C-12L PoE
6.6 3.3 V, 3 A 100 1 : 0.33 100 A0009-AL TI LM5000
6.6 3.3 V, 2 A  120 1 : 0.1 400 DA2062-AL Power Integrations DPA423G
6.6 3.3 V, 2 A
5 V, 1 A		 35 1 : 0.167
1 : 0.277		 1000 DA2257-AL TI LM5071
7.0 3.3 V, 2.12 A  155 1 : 0.19 250 POE70P-33L PoE
7.0 3.3 V, 2.12 A  155 1 : 0.19 10 C1587-AL TI LM5070
7.0 5 V,  1.4 A  155 1 : 0.262 250 POE70P-50L PoE
7.0 5 V,  1.4 A  155 1 : 0.262 10 C1588-AL TI LM5070
7.0 12 V, 0.6 A  155 1 : 0.667 250 POE70P-12L PoE
7.0 12 V, 0.6 A  155 1 : 0.667 10 C1589-AL TI LM5070
8.3 3.3 V, 2.5 A 133 1 : 0.13 275 C1099-AL Maxim MAX5941A 
10 3.3 V, 3 A  166.5 1 : 0.15 100 C1173-AL TI TPS23750
10 3.3 V, 3 A 40 1 : 0.333 350 FA2671-AL Silicon Labs Si3401, Si3402
10 3.3 V, 3 A 166.5 1 : 0.154 125 HA3801-BL TI TPS23753
10 3.3 V, .5 A
2.5 V, 1.5 A
1.8 V, 2.5 A		 221 1 : 0.104
1 : 0.042
1 : 0.042		 200 D1766-AL Linear LTC4267
10 5 V, 2 A 40 1 : 0.25 350 FA2672-AL Silicon Labs Si3401, Si3402
10 5 V, 2 A 150 1 : 0.25 125 HA3802-BL TI TPS23753
10 5 V, 2 A 94 1 : 0.12 250 C1048-AL Linear LT1725
10 5 V, 2 A 150 1 : 0.20 100 C1174-AL TI TPS23750
10 12 V, 0.83 A 40 1 : 1 350 FA2732-AL Silicon Labs Si3401, Si3402
10 12 V, 0.83 A 166.5 1 : 0.50 125 HA3803-BL TI TPS23753
10 5 V, 2 A 133 1 : 0.167 1.0 PA6340-AL TI TPS23753A PoE Controller
10 5 V, 2 A 180 1 : 0.167
1 : 0.167		 1.0 NA6223-AL TI TPS23753A PoE Controller
11 3.3 V, 3.3 A 55 1 : 0.20 250 FA2519-AL TI LM5071, LM5072
12 5 V, 2.5 A 43.7 1 : 0.25 100 CX9628-AL MPS MP8007
12 12 V, 1.0 A 42.9 1 : 0.25 100 CX9628-AL MPS MP8007
12 24 V, 0.5 A 45.3 1 : 0.25 100 CX9628-AL MPS MP8007
12.5 5 V, 2.5 A 27 1 : 0.267 250 HA3905-CL Microsemi UC3844
13 1.8 V, 7.2 A 45 1 : 0.07 250 POE13F-18L PoE
13 2.5 V, 5.2 A 35 1 : 0.08 250 POE13F-25L PoE
13 3.3 V, 3.9 A 40 1 : 0.11 250 POE13F-33L PoE
13 3.3 V, 4.0 A  127 1 : 0.166 250 POE13P-33L  PoE
13 3.3 V, 4.0 A  127 1 : 0.166 250 C1495-AL TI LM5070
13 5 V,  2.6 A 40 1 : 0.15 250 POE13F-50L PoE
13 5 V,  2.6 A 127 1 : 0.25 250 C1585-AL TI LM5070
13 5 V,  2.6 A  127 1 : 0.25 250 POE13P-50L PoE
13 5 V, 2.6 A 127 1 : 0.25 250 DA2362-AL Freescale MC34670
13 12 V, 1.0 A 117.5 1 : 0.457 275 GA3271-AL Maxim MAX5941B
13 12 V, 1.08 A  127 1 : 0.50 250 POE13P-12L PoE
13 12 V, 1.08 A  127 1 : 0.50 250 C1586-AL TI LM5070
13 19.5 V, 0.67 A 37 1 : 0.57 250 POE13F-19L PoE
13 12 V, 1.1 A 35 1 : 0.35 250 POE13F-12L PoE
13 19.5 V, 0.67 A  127 1 : 0.567 250 POE13P-19L PoE
13 24 V, 0.54 A 37 1 : 0.67 250 POE13F-24L PoE
13 24 V, 0.54 A  127 1 : 0.667 250 POE13P-24L PoE
15 3.3 V, 4.5 A 110 1 : 0.19 10 C1023-AL TI LM5070
15 3.3 V, 4.5 A 40 1 : 0.31 350 FA2924-AL Silicon Labs SSi3401, Si3402
15 3.3 V, 4.5 A 110 1 : 0.23 10 B0695-AL TI LM5020
15 5 V, 3 A 40 1 : 0.40 350 FA2805-CL Silicon Labs Si3401, Si3402
15 12 V, 1.25 A 40 1 : 1 350 FA2925-AL Silicon Labs Si3401, Si3402
20 3.3 V, 6 A 77.8 1 : 0.147 250 FA2706-BL STMicro PM8800
20 5 V, 4 A 77.8 1 : 0.206 250 FA2707-BL STMicro PM8800
20 3.3 V, 6 A 100 1 : 0.156 250 JA4173-AL STMicro PM8803
20 5 V, 4 A 100 1 : 0.25 250 HA3691-AL STMicro PM8803
22.5 5 V, 4.5 A 62 1 : 0.125 250 NA5730-AL TI TPS23751/2
25 3.3 V, 7.6 A 75 1 : 0.08 250 JA4372-AL TI TPS23754
25 12 V, 2.08 A 75 1 : 0.25 250 JA4387-AL TI TPS23754
25 5 V, 5 A 70 1 : 0.182 250 JA4456-DL TI TPS23752
30 3.3 V, 9.1 A 60 1 : 0.167 300 GA3568-DL Akros AS1135
30 3.3 V, 9 A 42 1 : 0.56 250 POE300F-33L PoE Plus
30 5 V, 6 A 42 1 : 0.67 250 POE300F-50L PoE Plus
30 12 V, 2.5 A 42 1 : 0.33 250 POE300F-12L PoE Plus
30 19.5 V, 1.5 A 42 1 : 0.14 250 POE300F-19L PoE Plus
30 24 V, 1.25 A 42 1 : 0.33 250 POE300F-24L PoE Plus
30 5.0 V, 6 A 70 1 : 0.136 220 CX9642-AL Silicon Labs Si3406x: Si34601, Si34602
51 12 V, 4.25 A 24.2 1 : 0.5 10 TA7818-AL Microsemi PD70211
             

1:0.36
1:0.36
1:0.10
1:0.075
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
1:0.10
1:0.10
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
1:0.13
1:0.15
1:0.104
1:0.042
1:0.042
1:0.33
1:0.12
1:0.40
1:0.20
1:0.167
1:050
1:1
1:0.20
1:0.167
1:0.28
1:0.07
1:0.08
1:0.11
1:0.166
1:0.25
1:0.15
1:0.25
1:0.25
1:0.35
1:0.50
1:0.57
1:0.567
1:0.67
1:0.667
1:0.31
1:0.23
1:0.19
1:0.40
1:1
1:0.09
1:0.14
1:0.33
1:0.24
1:0.56
1:0.67

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Updated: June 25, 2018