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Flyback Transformers (AC line input)

Input range:
Telecom (36 – 72 Vdc) | Telecom (36 – 57 Vdc) | Telecom extended (10 – 72 Vdc) | 3.3 – 36 Vdc | 400 Vdc

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
turns ratio
Nom.
freq. kHz)
Part number
Click for details
Designed for:
400 Vdc
44 110 V, 0.4 A 800 1 : 0.35 250 GA3502-BL Maxim MAX16801 LED Driver
AC line (85 – 130 Vac)
7.0 12 V, 0.58 A 3200 1 : 0.1 100 A9619-CL ON Semi NCP101X
17 23 V, 0.74 A 750 1 : 0.23 100 MA5157-AL NXP SSL2103
AC line (195 – 265 Vac)
11 12 – 18 V, 0.64 A 1400 1 : 0.136 100 PA6284-AL ST Micro STEVAL-ILL055V1
15 12 V, 1.25 A 3400 1 : 0.06 100 B0570-BL ON Semi NCP101X
Universal AC line input (85 – 265 Vac)
3.5 6.5 V, 0.54 A 2900 1 : 0.08 100 Y8844-AL ON Semi NCP1201
4.3 15 V, 0.05 A
5 V, 0.35 A
−15 V, 0.125 A
2200 1 : 0.12
1 : 0.067
1 : 0.189
50 HA4018-AL TI UCC28600
5.0 12 V, 0.2 A
12 V, 0.2 A
2300 1 : 0.158
1 : 0.158
100 GA3544-BL TI UCD3K
5.0 15 V, 0.33 A 2300 1 : 0.16 100 HA3950-AL TI SLUU341
6.0 12 V, 0.5 A 3400 1 : 0.125 100 MA5597-AL ON Semi NCP1072
10 5 V, 2 A 3400 1 : 0.06 65 DA2077-AL ON Semi NCP1027
10 12 V, 0.83 A 1800 1 : 0.10 100 Y8848-AL ON Semi NCP1202
14 20 V, 0.7 A 500 1 : 0.214 125 GA3172-AL Microchip PIC16HV785
24 24 V, 1.0 A 400 1 : 0.24 100 JA4429-AL Linear LT3799
30 15 V, 0.65 A
7.5 v, 0.7 A
5 V, 0.7 A
250 1 : 0.125
1 : 0.042
1 : 0.083
250 CR8076-AL Maxim MAX17497A/B
48 32 V, 1 A
16 V, 0.75 A
270 1 : 0.2
1 : 0.2
45 GA0007-AL ON Semi NCP1351
66 19 V, 3.5 A 560 1 : 0.188 50 KA5038-BL ON Semi NCP1236
67 16 V, 4.2 A 700 1 : 0.16 100 Z9007-BL ON Semi NCP1200 
67 16 V, 4.2 A 700 1 : 0.16 100 Z9260-AL ON Semi NCP1200 
90 19.5 V, 4.62 A 300 1 : 0.147 100 GA3366-BL ON Semi NCP1606
120 19.4 V, 6.2 A 200 1 : 0.167 140 FA2443-AL TI UCC28600
             

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 19, 2017