DA2420-ALD

更新时间： 2024-01-10 08:55:48

品牌	Logo	应用领域
线艺 - COILCRAFT		变压器
页数	文件大小	规格书
1页	76K
描述
SMPS Transformer, ROHS COMPLIANT

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技术参数
数据手册

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DA2420-ALD 技术参数

是否无铅：	不含铅	是否Rohs认证：	符合
生命周期：	Active	包装说明：	ROHS COMPLIANT
Reach Compliance Code：	compliant	ECCN代码：	EAR99
风险等级：	5.59	Is Samacsys：	N
其他特性：	TURNS RATIO: 1:2, HEIGHT DIM INCLUDES TERMINALS ALSO, FLY BACK	高度：	11.43 mm
最大输入电压：	3.3 V	长度：	21 mm
安装特点：	SURFACE MOUNT	初级绕组数量：	2
次级绕组数量：	1	最高工作温度：	125 °C
最低工作温度：	-40 °C	输出电压 1：	12 V
包装方法：	TAPE & REEL	物理尺寸：	L21.0XB20.57XH11.43 (mm)
初级电感：	330 µH	表面贴装：	YES
端子面层：	Tin/Silver - Tin - with Nickel barrier	变压器类型：	SMPS TRANSFORMER
宽度：	20.57 mm	Base Number Matches：	1

DA2420-ALD 数据手册

Document 544

For ST Microelectronics

PoE Transformers STE12PS PSE Power Controller

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.

DCR max (Ohms)

Part

L at 0 A²

±±0ꢀ (ꢁµ)

L at Ipk³

min (ꢁµ)

Leakage L

max (ꢁµ)⁴

Turns ratio⁵

pri :sec

Ipk³

(A)

number¹

±-5

2-6

±2-7

Output

DA2420-AL_

DA2421-AL_

330

297

0.756 0.886

0.803 0.984 14.145

5.920

6.00

4.83

1: 2

1: 3

2.0

12 V, 100 mA

1. When ordering, please specify a packaging code:

DA2420-ALD

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

secondary pins shorted.

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

tape (175 per full reel).

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

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

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

code letter D instead.

6. Operating temperature range

7. Electrical specifications at 25°C.

–40°C to +125°C.

Dot indicates pin 1

0.130

3,30

0.930

23,62

0.028

0,711

0.050

1,27

Sec

Pri

0.810

20,57

Recommended

Land Pattern

max

DA242X-AL

Primary windings to be

connected in parallel on

the PC board.

0.118

3,0

0.118

3,0

1.181

max

30,00

0.450

11,43

max

0.004/0,10

0.827

21,00

0.080

2,03

Weight:

14.1 – 14.6 g

0.969

24,60

Terminations: Tin-silver over tin over nickel over phos bronze

Tape and reel: 175/13″ reel, 44 mm tape width

For packaging data see Tape and Reel Specifications section.

Specifications subject to change without notice.

Please check our website for latest information.

Document544 Revised09/11/06

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