74021 MYRRA, 74021 Datasheet

74021

Manufacturer Part Number

74021

Description

TRANSFORMER, EL19 16W

Manufacturer

MYRRA

Datasheet

1.74020.pdf (1 pages)

Specifications of 74021

Transformer Type

Flyback

Input Voltage

265V

Output Voltage

16.5VDC

Current Rating

Power Rating

18W

Svhc

No SVHC (15-Dec-2010)

Ac Power

18W

External Depth

17mm

External Length / Height

31mm

External

RoHS Compliant

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SIZE EL19 - 2 OUTPUTS: 5 & 12v - FLYBACK TRANSFORMER

Primary / Secondary Insulation ≥ 4000V

Primary / Auxiliary Insulation

Creepage distance Primary / Secondary ≥ 6mm

Ambient temperature < 50°C

Construction conforms to IEC950, IEC335, IEC61558 for reinforced insulation

Exclusively uses UL94-V0 listed materials

Examples of application with Integrated Circuits :

MYRRA

74020

74021

74020

74021

P / N

ST Microelectronics

maximum

Power Integrations

Output

Power

18 w

Manufacturer

Control IC

Motorola

Infineon

PCB Drilling Diameter = 1.1mm

Aux

Pri

Bottom View (Pin side)

≥ 1500V

TDA16832

TDA16831

Control IC

TOP243P

MC33370

TNY268

VIPer20

VIPer50

9 - 10

P / N

4 - 6

2 - 1

7 - 8

4 - 6

2 - 1

7 - 8

Pins

Turns

108

185 - 265Vrms

85 - 265Vrms

92 - 265Vrms

Input voltage

65 – 130 (VOR)

8 – 16.5 Vdc

3.3 – 7 Vdc

7 – 14 Vdc

Windings

DRAIN

+ AUX

Voltage

74020 / 74021

Power

15w

18w

12w

10w

12w

16w

13w

10w

0.8 Apeak

1.1 Apeak

maximum

Current

0.1 Adc

1.4 Adc

0.1 Adc

1.4 Adc

3 Adc

+S2

+S1

Frequency

132kHz

100kHz

70kHz

Inductance

(+/-10%)

1250µH

900µH

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