EFD20 SMD High Frequency Switching power supply Transformers

EFD20 SMD High Frequency Switching power supply Transformers

Model NO.: MTEFD20-122K-S

FEATURES:
• High reliability.
• Good exchange efficiency.
• Compact and low profile.
• Compact structure, high power.
• Operating Temperature: -40 ℃ to +125 ℃.
APPLICATIONS:
• DC-DC converters, drive transformers, digital cameras, step-up transformers, handheld switching power supply chargers, etc.
SPECIFICATIONS:
1. Working frequency: 20kHz-500KHz
2. Output power: 15 W to 50 W
3. Operating temperature: -40 ℃ to +125 ℃
4. Storage temperature: -25 ℃ to +85 ℃

Quantity:

Product Description

EFD20 SMD High Frequency Switching power supply Transformers

FEATURES:

•  High reliability.
•  Good exchange efficiency.
•  Compact and low profile.
•  Compact structure, high power.
•  Operating Temperature: -40 ℃ to +125 ℃.

high frequency switching transformers，high frequency switching power supply，switching power supply frequency，high power switching power supply, etc.

APPLICATIONS:

• DC-DC converters, drive transformers, digital cameras, step-up transformers, handheld switching power supply chargers, etc.

SPECIFICATIONS:

1. Working frequency: 20kHz-500KHz
2. Output power: 15 W to 50 W
3. Operating temperature: -40 ℃ to +125 ℃
4. Storage temperature: -25 ℃ to +85 ℃

1. Inductance (1`2) :

1.19 mH ± 10%

@ 120 KHz, 0.25 Vrms

2. Leakage Inductance (1`2) :

35.0 uH Max

@ 120 KHz, 0.25 Vrms

3. Turns Ratio :

1~2 : 4~3 : 5~8 = 7.18 : 1 : 1 ± 3%

4. Insulation Strength :

3KV AC 1.0 min

@ Pri to Sec

2KV AC 1.0 min

@ Pri to Core, Sec to Core

SHAPE AND DIMENSIONS:

SCHEMATIC:

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