Transformer for switch mode power supplies - 110 VA


Catalogue HF as PDF
HF-transformer, HF-transducer, ferrite transformer, switch mode power supply, EFD 10 - EFD 30, 1,3 VA up to 110 VA

hf-zeichen-sm


Switch mode power supplySwitch mode power supply

open                                                                                                      potted


Description


Design

Application

Voltages
Frequency
Core material
Temperatureclass
Temperature
Protective class
Winding

Construction
Terminals
Safety

HF-transformer conform to IEC/EN 61558-2-17 for SMPS
HF-transformer, HF-transducer, ferrite transformer, SMPS transformer
Suitable as HF-transformer for power integrations (TOPSWITCH, TINYSWITCH), Advanced Technology and ST(VIPer). HF choke can also be built
according to customer specification, more than one input and output voltages are possible
20 kHz up to 300 kHz, special types up to 500 kHz
N87 or PL7 for high power, with other materials it’s less power
F (155 °C) for varnished and B (130 °C) for potted components
Ambient 40 °C, higher ambient temperature decreases the power
Fire class UL94V0, IP00 conform to DIN 40 050
with lacquered copper wire, HF-litz, foil or triple insulated Furukawa wire, interlaced construction, for optimal magnetic coupling
varnished under vacuum(open Version) with class H varnish or potted under vacuum in a housing
Print, SMD version or free wires
Margins to redeem air and creepage distances. A screening is possible, but the secondary power will decrease.


Table


Type size

Frequency

Power - N87/PL7

Datasheet

Flyback

Forward

Push-pull

EFD 10

50 kHz

1,3 VA

1,5 VA

2,2 VA

PDF

100 kHz

1,9 VA

2,2 VA

3,1 VA

150 kHz

2,4 VA

2,8 VA

4,0 VA

EFD 15

50 kHz

4,2 VA

5,0 VA

7,0 VA

PDF

100 kHz

6,0 VA

7,0 VA

10,0 VA

150 kHz

8,0 VA

9,0 VA

13,0 VA

EFD 20

50 kHz

12,0 VA

14,0 VA

20,0 VA

PDF

100 kHz

17,0 VA

20,0 VA

28,0 VA

150 kHz

21,0 VA

25,0 VA

35,0 VA

EFD 25

50 kHz

27,0 VA

32,0 VA

45,0 VA

PDF

100 kHz

40,0 VA

45,0 VA

65,0 VA

150 kHz

45,0 VA

53,0 VA

75,0 VA

EFD 30

50 kHz

36,0 VA

42,0 VA

60,0 VA

PDF

100 kHz

50,0 VA

60,0 VA

85,0 VA

150 kHz

66,0 VA

77,0 VA

110,0 VA

Technical changes and optimisation reserved. All details are guide values, variations are possible.

03/2012


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