Datasheet > JA4667-ALB

JA4667-ALB

更新时间： 2024-11-26 01:21:31

品牌	Logo	应用领域
线艺 - COILCRAFT		/
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1页	94K
描述
Forward Mode Transformers

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JA4667-ALB 数据手册

Document 824

For Texas Instruments

Forward Mode Transformers TPS23756 PoE Interface

• Developed for the TI TPS23756 High Power/High Efﬁciency

PoE Interface and DC/DC Controller.

• Designed for forward topology operating at 250 kHz with an

extended input voltage range of 10 – 57 V.

• 1500Vrms, one minute isolation, primaryandbias 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 12.1 – 13.1 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)

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

26,315,789 hours / 38 per billion hours, Calculated per Telcordia SR-322

Packaging 175 per 13″ reel Plastic tape: 44 mm wide, 0.4 mm thick,

32 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.

Leakage

inductance⁴

max (µH)

Input

DCR max (mOhms)³

pri sec bias

Turns ratio⁶

pri : sec pri : bias

Part

Inductance²

min (µH)

voltage⁵

range (V)

number¹

Output⁷

JA4249-CL_

JA4667-AL_

0.0180 0.015 0.320

0.0175 0.047 0.320

0.120

0.085

10 – 57

1 : 0.80

1 : 1.9

5 V, 5 A

12 V, 2 A

1. When ordering, please specify a packaging code:

JA4667-ALD

3. DCR for the secondary is measured with the windings connected in

parallel.

4. Leakage inductance is for the primary and is measured with the

secondary shorted.

5. Maximum duty cycle at minimum input voltage is 0.72.

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

connected in parallel.

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

winding output is 12 V, 20 mA.

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, 0.2 Vrms, 0 Adc.

8. Electrical speciﬁcations at 25°C.

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

Dot indicates pin 1

0.118

3,00

0.028

0,70

Primary

Secondary

0.810

20,57

Recommended

Land Pattern

max

0.050

1,27

0.118

3,00

Bias

0.130

3,3

0.930

23,62

0.827

21,0

Parts manufactured prior

to December 2011 may

be marked differently.

Primary windings and secondary windings

to be connected in parallel on PC board.

0.430

10,92

max

0.004 / 0,10

0.969

24,6

1.181

30,00

inches

max

Dimensions are in

Document 824 Revised 12/16/11

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.

中文翻译

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与JA4667-ALB相关器件

型号	品牌	获取价格	描述	数据表
JA4667-ALD	COILCRAFT	获取价格	Forward Mode Transformers
JA53	CONNOR-WINFIELD	获取价格	8 PIN DIP ACMOS
JA53331-175-4F	FOXCONN	获取价格	Audio/RCA Connector, 15 Pole(s), Solder Terminal, Jack, LEAD FREE
JA53331-H2AP-4F	FOXCONN	获取价格	Audio/RCA Connector, 22 Pole(s), Solder Terminal, Jack, LEAD FREE
JA5333L-100	FOXCONN	获取价格	Audio/RCA Connector, Jack
JA5333L-102-4F	FOXCONN	获取价格	Audio/RCA Connector, 15 Pole(s), Female, Solder Terminal, Locking, Jack, LEAD FREE
JA5333L-107	FOXCONN	获取价格	Audio/RCA Connector,
JA5333L-192	FOXCONN	获取价格	Audio/RCA Connector, 15 Pole(s), Solder Terminal, Plug,
JA5333L-192-4F	FOXCONN	获取价格	Audio/RCA Connector, 15 Pole(s), Female, Solder Terminal, Locking, Jack, LEAD FREE
JA53AA	CONNOR-WINFIELD	获取价格	3 VOLT LOGIC CLOCK OSCILLATORS

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