Datasheet > MA5281-BLD

MA5281-BLD

更新时间： 2024-09-18 01:13:31

品牌	Logo	应用领域
线艺 - COILCRAFT		/
页数	文件大小	规格书
1页	121K
描述
Flyback Transformer

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中文翻译

获取价格

数据手册

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MA5281-BLD 数据手册

Document 1053

For TI TPS23756

Flyback Transformer 15 W PoE Converter

• Flyback for Texas Instruments TPS23756 Wide Input Range

15 W PoE Converter; shown on PMP6659 schematic and BOM

• Input: 10.8 – 57 V

• 1500 Vrms, one minute isolation from primary and bias to

secondary

Core material Ferrite

Terminations RoHS tin-silver (96.5/3.5) over tin over nickel over

phos bronze. Other terminations available at additional cost.

Weight 11.3 g

Ambient temperature –40°C to +125°C

Storage temperature Component: –40°C to +125°C.

Tape and reel packaging: –40°C to +80°C

Resistance to soldering heat Max three 40 second reﬂows at

+260°C, parts cooled to room temperature between cycles

Moisture Sensitivity Level (MSL) 1 (unlimited ﬂoor life at <30°C /

85% relative humidity)

Failures in Time (FIT) / Mean Time Between Failures (MTBF)

38 per billion hours / 26,315,789 hours, calculated per Telcordia SR-332

Packaging 175 per 13″ reel Plastic tape: 44 mm wide,

0.4 mm thick, 28 mm pocket spacing, 11.9 mm pocket depth

PCB washing Tested with pure water or alcohol only. For other solvents,

see Doc787_PCB_Washing.pdf.

L at0A²LatIpk³

DCR max (Ohms)⁴

sec bias drive max (µH) pri:sec pri:bias pri:drive

0.060 0.058 0.370 0.323 0.550 1 : 0.57 1 : 0.57 1 : 0.52

Turns ratio⁶

Part

10ꢀ

(µH)

min

Leakage L⁵

Ipk³

number¹

(µH)

pri

(A)

Output⁷

MA5281-BL_ 45

40.5

2.8

12 V, 1.25 A

1. When ordering, please specify a packaging code:

MA5281-BLD

4. DCR for the primary and the secondary is measured with windings

connected in parallel.

5. Leakage inductance is for the primary, measured with the windings

connected in parallel and the secondary windings shorted.

6. Turns ratio is with the primary windings and secondary windings con-

nected in parallel.

7. Output is with the secondary windings connected in parallel. Output of the

drive winding is 11 V, 15 mA. Output of the bias winding is 11.5 V, 15 mA.

8. Electrical speciﬁcations at 25°C.

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

tape (175 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.

2. Inductance is measured at 250 kHz, 0.1 Vrms, 0 Adc.

3. Peak primary current drawn at minimum input voltage.

Refer to Doc 362 “Soldering Surface Mount Components” before soldering.

Dot indicates pin 1

0.118

3,00

0.028

0,70

Pri

Sec

0.810

20,57

Recommended

Land Pattern

max

0.050

1,27

0.118

3,00

Bias

0.930

23,62

0.130

3,3

0.827

21,0

Drive

Primary windings and secondary

windings to be connected in parallel

on PC board

0.425

10,80

max

0.004 / 0,10

0.969

24,6

inches

1.181

Dimensions are in

max

30,00

Document 1053 Revised 05/01/13

US +1-847-639-6400 sales@coilcraft.com

UK +44-1236-730595 sales@coilcraft-europe.com

Taiwan +886-2-2264 3646 sales@coilcraft.com.tw

China +86-21-6218 8074 sales@coilcraft.com.cn

Singapore + 65-6484 8412 sales@coilcraft.com.sg

This product may not be used in medical or high

risk applications without prior Coilcraft approval.

Specification subject to change without notice.

Please check web site for latest information.

中文翻译

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