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Transforemr for switch mode power suppliesThis page in German
ETD 49 - ETD 59  270VA up to 1700VA

HF-transformer, switch mode power supply transformer, ferrite transformer
Catalogue HF-components as PDF

 

open
potted
upright open

 

Description

Performance

HF-transformer conform to IEC/EN61558-2-17 for SMPS

 

HF-transformer, HF-inverter, ferrite trasnformer, SMPS transformer

Application

Suitable as HF-transformer for power integrations (TOPSWITCH,TINYSWITCH), Advanced Techology and ST(VIPer).  This size can also be built as a choke.

Voltages

according to customer specification, more than one input and output voltages are possible

Frequency

20 kHz up to 300 kHz, special types up to 500 kHz

Core material

N87 or PL7 for high power, with other materials it’s less power

Temperature class

F (155°C) if varnished and B(130°C) if potted

Temperature

Ambient 40°C, higher ambient temperatures decrease the power

Protective class

Fire class UL94V0, IP00 conform to DIN 40 050

Winding

with lacquered copper wire, HF litz, foil or triple insulated Furukawa wire, interlaced constrcution for best magnetic coupling

Construction

varnished under vacuum (open version) with class H varnish or potted under vacuum in a housing

Terminals

Print, SMD version or free wires

Safety

Margins to redeem air- and creepage distances. A screening is possible, but the secondary power will decrease.

 

 

 

Table

 

Power - N87/PL7

 

Type size

Frequency

Flyback

Forward

Push-pull

 

ETD

49

25

kHz

270

VA

315

VA

450

VA

 

 

 

50

kHz

366

VA

427

VA

610

VA

 

offen

100

kHz

486

VA

567

VA

810

VA

PDF

ETD

49

25

kHz

270

VA

315

VA

450

VA

 

 

 

50

kHz

366

VA

427

VA

610

VA

 

stehend

100

kHz

486

VA

567

VA

810

VA

PDF

ETD

49

25

kHz

270

VA

315

VA

450

VA

 

 

 

50

kHz

366

VA

427

VA

610

VA

 

vergossen

100

kHz

486

VA

567

VA

810

VA

PDF

ETD

54

25

kHz

390

VA

455

VA

650

VA

 

 

 

50

kHz

516

VA

602

VA

860

VA

 

offen

100

kHz

690

VA

805

VA

1150

VA

PDF

ETD

54

25

kHz

390

VA

455

VA

650

VA

 

 

 

50

kHz

516

VA

602

VA

860

VA

 

vergossen

100

kHz

690

VA

805

VA

1150

VA

PDF

ETD

59

25

kHz

540

VA

630

VA

900

VA

 

 

 

50

kHz

750

VA

875

VA

1250

VA

 

offen

100

kHz

1020

VA

1190

VA

1700

VA

PDF

ETD

59

25

kHz

540

VA

630

VA

900

VA

 

 

 

50

kHz

750

VA

875

VA

1250

VA

 

stehend

100

kHz

1020

VA

1190

VA

1700

VA

PDF

Technical changes and optimization reserved

01/2010