DA2420 Coilcraft, Inc., DA2420 Datasheet

DA2420

Manufacturer Part Number

DA2420

Description

Poe Transformersfor St Microelectronicsste12ps Pse Power Controller

Manufacturer

Coilcraft, Inc.

Datasheet

1.DA2420.pdf (1 pages)

Current page: 1 of 1
Download datasheet (76Kb)

1. When ordering, please specify a packaging code:

DA2420-AL_

DA2421-AL_

0.450

11,43

0.810

20,57

Packaging: D = 13″ machine ready reel. EIA-481 embossed plastic

Dot indicates pin 1

number

0.080

2,03

Part

max

B = Less than full reel. In tape, but not machine ready. To

±10% (µH)

tape (175 per full reel).

have a leader and trailer added ($25 charge), use

code letter D instead.

L at 0 A

DA242X-AL

1.181

30,00

330

0.969

24,60

0.827

21,00

DA2420-ALD

max

PoE Transformers

min (µH)

L at Ipk

297

0.028

0,711

0.118

0.004 /0,10

Weight:

Terminations:

Tape and reel:

For packaging data see Tape and Reel Specifications section.

3,0

0.756

0.803

Specifications subject to change without notice.

Please check our website for latest information.

1-5

0.130

3,30

DCR max (Ohms)

14.1 – 14.6 g

Tin-silver over tin over nickel over phos bronze

175/13″ reel, 44 mm tape width

0.886

0.984

2-6

Recommended

Land Pattern

14.145

5.920

12-7

These surface mount flyback transformers were devel-

oped specifically for the ST Microelectronics STE12PS

12-Channel PSE Power Control Device.

They are designed to work with a 3.3 V input to provide

a 12 V output. Isolation is 500 Vdc from each primary

winding to the secondary winding.

Coilcraft can also design custom transformers with

voltage, inductance and DCR values to meet your

specific requirements.

For free evaluation samples, contact Coilcraft or order

them on-line at www.coilcraft.com.

2. Inductance is for the primary, measured at 100 kHz, 0.1 Vrms, 0 Adc.

3. Ipk is the peak current drawn at minimum input voltage.

4. Leakage inductance measured on the primary windings with all

5. Turns ratio is with the primary windings connected in parallel.

6. Operating temperature range –40°C to +125°C.

7. Electrical specifications at 25°C.

0.930

23,62

secondary pins shorted.

Leakage L

max (µH)

6.00

4.83

0.050

1,27

0.118

3,0

Turns ratio

For ST Microelectronics

STE12PS PSE Power Controller

pri : sec

1 : 2

1 : 3

Document 544 Revised 09/11/06

Ipk

(A)

Primary windings to be

connected in parallel on

the PC board.

2.0

Pri

Document 544

12 V, 100 mA

Output

Sec

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