Typical Flyback Regulator Applications (Continued)
Transformer
Type
Manufacturers’ Part Numbers
Coilcraft
(Note 15)
Q4434-B
Q4337-B
Q4343-B
Q4344-B
Coilcraft (Note 15)
Pulse (Note 16)
Surface Mount
PE-68411
Renco
(Note 17)
RL-5530
RL-5531
RL-5534
RL-5535
Schott
Surface Mount
(Note 18)
67141450
67140860
67140920
67140930
T1
T2
T3
T4
Q4435-B
Q4436-B
—
PE-68412
PE-68421
—
PE-68422
Note 15: Coilcraft Inc.,: Phone: (800) 322-2645
1102 Silver Lake Road, Cary, IL 60013: Fax: (708) 639-1469
Note 16: Pulse Engineering Inc.,: Phone: (619) 674-8100
12220 World Trade Drive, San Diego, CA 92128: Fax: (619) 674-8262
Note 17: Renco Electronics Inc.,: Phone: (800) 645-5828
60 Jeffryn Blvd. East, Deer Park, NY 11729: Fax: (516) 586-5562
Note 18: Schott Corp.,: Phone: (612) 475-1173
1000 Parkers Lane Road, Wayzata, MN 55391: Fax: (612) 475-1786
FIGURE 14. Transformer Manufacturer Guide
Transformer Footprints
Figures 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31 and Figure 32 show the footprints of each transformer,
listed in Figure 14.
T1
T4
DS012316-30
Top View
FIGURE 15. Coilcraft Q4434-B
DS012316-33
T2
Top View
FIGURE 18. Coilcraft Q4344-B
T1
DS012316-31
Top View
FIGURE 16. Coilcraft Q4337-B
T3
DS012316-34
Top View
FIGURE 19. Coilcraft Q4435-B
(Surface Mount)
DS012316-32
Top View
FIGURE 17. Coilcraft Q4343-B
15
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