Datasheet > B0357_13

B0357_13

更新时间： 2022-02-26 13:27:24

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Planar Magnetics

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B0357_13 数据手册

Document 372-1

For National Semiconductor

Planar Magnetics _{LM5025 and LM5034}

Planar transformer and inductor pair designed for the NSC

LM5110 Gate Driver and LM5025 Active Clamp Voltage

Mode PWM Controller.

These parts are also speciﬁed by NSC for use with their

LM5034 Dual Interleaved Controller.

Core material Ferrite

Terminations RoHS Matte-tin over nickel over brass

Weight 11.3 – 11.7 g

Ambient temperature –40°C to +85°C

Storage temperature Component: –40°C to +85°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 200 per 13″ reel Plastic tape: 44 mm wide,

0.37 mm thick, 32 mm pocket spacing, 9.4 mm pocket depth

PCB washing Only pure water or alcohol recommended

Transformer

Output

current

(A rms)

Primary

inductance²

min (µH)

Leakage

inductance³

max (µH)

Pri/sec

isolation

(Vdc)

DCR max

(mOhms)

Part

Output

power (W)

Output

voltage (V)

number¹

B0357-BL_

100

3.3

30.0

320.0

0.55

Primary: 55.0

Secondary: 1.0

1500

1. When ordering, please specify packaging code:

B0357-BLD

2. Inductance measured on an Agilent/HP 4284 between pins 1 and 2 at

250 kHz, 0.1 Vrms, 0 Adc.

3. Leakage inductance measured between pins 1 and 2 at 100 kHz,

0.1 Vrms, 0 Adc with secondary pins shorted.

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

tape (200 parts per full reel).

4. Electrical speciﬁcations at 25°C.

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.

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

0.920

max

23,37

0.800

20,32

0.125

3,18

Pri

Sec

0.200

5,08

0.810

20,57

0.400

10,16

0.250

6,35

max

12 : 2

0.110

2,79

0.080

2,03

Recommended

Land Pattern

Parts manufactured prior

to December 2011 may

be marked differently.

0.360

9,14

max

inches

Dimensions are in

0.006/0,15

Document 372-1 Revised 12/19/11

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.

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