Datasheet > RA7040_16

RA7040_16

更新时间： 2024-02-17 04:14:58

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线艺 - COILCRAFT		/
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2页	167K
描述
SMT Planar Transformer

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中文翻译

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数据手册

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RA7040_16 数据手册

Document 1257-1

For TI UCC2897 12 V/150 W

Active Clamp Forward

SMT Planar Transformer

• Developed for Texas Instruments UCC2897 Active Clamp

Forward (PMP9720 reference design)

• Designed for 48 – 60 Vdc input; 12 V, 13 A

• High efﬁciency; excellent DCR; very low leakage inductance;

1500 Vrms, one minute primary to secondary isolation.

• Provides 0.009″ (0.229 mm) clearance above the seating plane

Core material Ferrite

Terminations Matte tin over nickel over brass.

Weight 12.7 g

Ambient temperature –40°C to +125°C

Maximum part temperature +165°C (ambient + temp rise)

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

Tray 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 36 per tray

PCB washing Tested to MIL-STD-202 Method 215 plus an additional

aqueous wash. See Doc787_PCB_Washing.pdf.

Primary

inductance¹

2ꢀ (ꢁµ)

Leakage

inductance²

max (ꢁµ)

Volt-time

Turns

N1 N2 Sec Aux

DCR max (mOhms)

Part

number

product typ⁴

(Vꢁsec)

Pri³

Sec

Aux

Output⁵

RA7040-AL

0.55

10.75

4.25

61.1

100

12 V, 13 A

1. Inductance is for the primary, measured on Agilent/HP 4284A at 200 kHz, 0.5 Vrms, 0 Adc with primary

windings connected in parallel.

2. Leakage Inductance is for the primary, measured at 200 kHz, 0.5 Vrms, 0 Adc with primary windings

connected in parallel and all secondary pins shorted.

Pri N1

3. Primary DCR measured with primary windings connected in parallel

4. Volt-time product is based on primary windings connected in parallel.

5. Output of the secondary, 12 V 13 A, is from pins 11 – 8, Output of the aux winding is 12 V.

6. Electrical speciﬁcations at 25°C.

Sec

Aux

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

Primary windings to be connected

in parallel on the PC board.

Speciﬁcations subject to change without notice.

Document 1257-1 Revised 04/02/15

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

Please check our website for latest information.

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

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.

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

中文翻译

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与RA7040_16相关器件

型号	品牌	获取价格	描述	数据表
RA7040-AL	COILCRAFT	获取价格	SMT Planar Transformer
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