A9845-AL

更新时间： 2024-11-21 06:35:39

品牌	Logo	应用领域
线艺 - COILCRAFT		变压器
页数	文件大小	规格书
1页	70K
描述
SMT Planar Transformer

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A9845-AL 数据手册

Document 345

SMT Planar Transformer

–

A9845-AL

Coilcraft’s surface mount planar transformers are ideal for

applications that require high efficiency in a low-profile

package.Theyaredesignedtoperforminpush-pulltopolo-

gies operating at 200 – 300 kHz. The auxiliary winding can

be used to control input current to PWMs.

Planar transformers offer high power densities along with

greatreliabilityandrepeatability.

The A9845-A has a smaller footprint and lower profile than

ourotherplanartransformers.Thecircularwindingsprovide

very low DCR and excellent leakage inductance values.

To complete your design, Coilcraft offers a wide variety

of power inductors for use as input and output chokes. To

request free evaluation samples, contact Coilcraft or visit

www.coilcraft.com.

Input

Output

current

(A rms)

Primary

Leakage

Pri/sec

isolation

(Vrms)

inductance¹inductance

DCR max (Ohms)

pri sec aux

Part

Output

voltage

Output

number¹

power (W) range (V) voltage (V)

min (mH)

max (µH)

A9845-AL_

36 – 75

3.3

2.0

1.50

1.4

0.80 0.0105 0.120

1200

1. When ordering, please specify packaging code:

A8945-ALD

1. Inductance measured between pins 2 and 4 at 250 kHz, 0.1 Vrms,

0 Adc.

2. Storage and ambient operating temperature range: –40°C to +85°C.

3. Electrical specifications at 25°C.

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

tape (250 parts per full reel).

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.

0.924

23,47

1.100

max

12T

27,94

0.814

20,68

Primary

0.180

4,57

0.080

2,03

12T

Secondary

0.224

5,69

0.224

5,69

0.860

21,84

max

Auxiliary 6T

0.070

1,78

0.110

2,79

Recommended

Land Pattern

0.325

8,26

max

Weight:

10.6 g

0.006/0,15

Terminations:

Tapeandreel: 250/13″ reel 56 mm tape width

For packaging data see Tape and Reel Specifications section.

Matte tin over nickel over brass

0.060

1,52

0.100

2,54

Specifications subject to change without notice.

Please check our website for latest information.

Document 345 Revised 06/19/07

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