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103

SPM2007 (11/07)

TRANSFORMERS

Turns Ratio

Primary

Primary

Leakage

DCR (m

Ω MAX)

Number

Secondary

Inductance

Inductance

Pri.

Pri.

Sec.

Sec.

Pri.

Sec. Pri. Aux.

Isolation

(µH MIN)

(µH MAX)

Aux.

A

B

15W Flyback Transformer

1500Vrms

38

PB2187NL

Vin=36-75v, Freq.=225kHz

24

12

16

Operational

@ 2.2A

0.6

190

410

50

N/A

Vout=12v/1.7A, 15v/20mA

15W Flyback Transformer

500Vrms

PA0476NL

Vin=18-72v, Freq.=500kHz

16

3

7

Operational

35.5

0.15

23.5

87

8

N/A

Vout=5v/3A, 10v/20mA

15W Flyback Transformer

500Vdc

146

PA0691NL

Vin=30-57v, Freq.=100kHz

52

8 &

26

Operational

@ 1.2A

2.4

600

2000

20

720

Vout=3.3v/3A, 5.6v/10mA10v/20mA

14

(3.3v)

(5.6v)

15W Flyback Transformer

500Vdc

137.5

PA1039NL

Vin=29-59v, Freq.=100kHz

50

10 &

22

Operational

@ 1.2A

2.0

500

1300

25

760

Vout=5v/2A, 7.5v/10mA10v/20mA

15

20W Forward Transformer

PA1067NL

Vin=34-75v, Freq.=555kHz

12

3

10 &

500Vrms

79

1

70

70 & 70

6

N/A

Vout=3.3v/6A, 12v/25mA

12 (reset)

(reset)

80W Forward Transformer

1500Vdc

PA1040NL

Vin=30-57v, Freq.=250kHz

14

7 & 7

7

Operational

154

2

45

80

15

24

Vout=12v/5A, -12v/1.6A, 12v/0.1A

30W Flyback Transformer

1500Vrms

29.2

PB2003NL

Vin=36-72v, Freq.=300kHz

16

2

7

Operational

@ 3.0A

1.7

75

75

4.5

N/A

Vout=5v/6A, 15v/0.1A

50W Forward Transformer

1500Vrms

PA0273NL

Vin=36-72v, Freq.=250kHz

16

10

10

Basic

230

0.35

65

240

27

N/A

Vout=12v/4.5A, 12v/0.1A

13W Flyback Transformer

700Vdc

PA0751NL

Vin=25-75v, Freq.=250kHz

26

6

18

Operational

99

2

85

300

12

N/A

Vout=3.3v/4.5A, 15v/0.1A

100W Forward Transformer

1500Vdc

35 & 35

3.8

PA0769NL

Vin=36-75v, Freq.=250kHz

15

7 & 7

5

Operational

74

1.5

50

110

(±12v)

(5v)

Vout=±12v/2.1A, 5v/9A

& 3

45W Forward Transformer

PA1066NL

Vin=30-75v, Freq.=550kHz

11

4 & 4

9 & 11

500Vrms

93

1

35

100

15 & 15

N/A

Vout=±5v/4.5A, 12v/20mA

(reset)

48W Forward Transformer

1500Vrms

30.8

86.4

PB2041NL

Vin=36-75v, Freq.=230kHz

10 + 10

12

N/A

Basic

324

1

82

N/A

(+12v)

(-12v Sec)

Vout=12v/3A, -12v/1A

& 12

33W Forward Transformer

1500Vrms

5.5

112

PB2089NL

Vin=36-72v, Freq.=250kHz

13

3 & 2

13

Basic

141

1

31

923

(3.3v Sec) (2.2v Sec)

Vout=3.3v/10A, 2.2v/0.05A

(reset)

12W Flyback Transformer

1800Vdc

195

PB2134NL

Vin=36-57v, Freq.=200kHz

32

4

15

Operational

@ 1.0A

5

200

215

12

N/A

Vout=3.3v/3.5A, 12v/0.1A

(Transformers continued on next page)

HIGH FREQUENCY WIRE WOUND

TRANSFORMERS

EFD Platforms - EFD15, EFD20 and EFD25

Transformers and Inductors

Power: 30W to 180W

Three Different Platforms: THT and SMT

Low Profile Platforms: 8.4mm to 13.5mm

Custom designs available

Electrical Specifications @ 25°C — Operating Temperature - 40°C to 125°C