Datasheet > D1787

D1787

更新时间： 2023-12-06 20:10:15

品牌	Logo	应用领域
线艺 - COILCRAFT		/
页数	文件大小	规格书
2页	147K
描述
SMT Power Inductor for Texas Instruments LM5115DC

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Document 484-1

For National Semiconductor

LM5115 DC Controller IC

Shielded Power Inductor

The D1787-AL was developed for use with the National

Semiconductor LM5115 Secondary Side Post Regulator

Controller and LM5025 Primary Side Controller. This ﬂat

wire power inductor offers extremely low dc resistance

and very high current ratings (up to 23 Arms). The ﬂat

core allows for exceptional heat dissipation and provides

an excellent surface for pick and place operation.

This inductor is ideal for power supply applications where

high current handling is essential and is perfect for low-

voltage dc-dc converters. Custom inductance values are

also possible.

Request free evaluation samples by contacting Coilcraft

or visiting www.coilcraft.com.

Core material Ferrite

Core and winding loss See www.coilcraft.com/coreloss

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

Weight 34.9 g

Ambient temperature –40°C to +85°C with (40°C rise) Irms current.

Maximum part temperature +125°C (ambient + temp rise). Derating.

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

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

DCR

SRF

typ²

Part

number

Inductance¹max

Isat³Irms⁴

±±10 ꢀ(µH ꢀmOhmsH ꢀMµzH

ꢀAH

D1787-AL

33.0

2.8

9.0

8.0

23.0

Resistance to soldering heat Max three 40 second reﬂows at

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

1. Inductance measured at 100 kHz, 0.1 Vrms, 0 Adc using Coilcraft

SMD-D ﬁxture in Agilent/HP 4284A impedance analyzer.

2. SRF measured using Agilent/HP 8753D network analyzer and Coilcraft

SMD-D test ﬁxture.

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

85% relative humidity)

Packaging 25 pieces per tray

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

aqueous wash. See Doc787_PCB_Washing.pdf.

3. DC current at which the inductance drops 20% (typ) from its value with-

out current. Click for temperature derating information.

4. Current that causes a 40°C rise from 25°C ambient.This information is

for reference only and does not represent absolute maximum ratings.

Click for temperature derating information.

5. Electrical speciﬁcations at 25°C.

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

Temperature Rise vs Current

Current (Arms)

Document 484-1 Revised 11/18/21

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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与D1787相关器件

型号	品牌	获取价格	描述	数据表
D1787_15	COILCRAFT	获取价格	Shielded Power Inductor
D1787-AL	COILCRAFT	获取价格	SMT Power Inductor
D178S8T	INFINEON	获取价格	Rectifier Diode, 1 Phase, 1 Element, 180A, 800V V(RRM), Silicon,
D17I	MINI	获取价格	Directional Coupler
D17I+	MINI	获取价格	Directional Coupler
D17IA+	MINI	获取价格	暂无描述
D17NF03L	STMICROELECTRONICS	获取价格	N-CHANNEL 30V - 0.038 - 17A - DPAK/IPAK STripFETII MOSFET
D17NF03L@	STMICROELECTRONICS	获取价格	N-channel 30V - 0.038ohm - 17A - DPAK/IPAK STripFET TM II Power MOSFET
D17W2-PDP-X-1	ADAM-TECH	获取价格	Signal-Power
D17W2-PD-X-1	ADAM-TECH	获取价格	Signal-Coax

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