MSD1278-562MLB

更新时间： 2024-11-07 13:11:51

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MSD1278-562MLB 数据手册

Document 499-1

For SEPIC and other

Applications

Coupled Inductors–MSD1278

The excellent coupling coefficient (k ≥ 0.94) makes the

MSD1278 series of coupled inductors ideal for use in

SEPIC applications. In SEPIC topologies, the required

inductance for each winding in a coupled inductor is

half the value needed for two separate inductors, allow-

ing selection of a part with lower DCR and higher

current handling.

These inductors provide high inductance, high effi-

ciency and excellent current handling in a rugged, low

cost part. They are well suited for use as a VRM

inductors in high-current DC-DC converters and VRM/

VRD controllers.

They can also be used as two single inductors con-

nected in series or parallel, as a common mode choke

or as a 1 : 1 transformer.

0.484

max

12,3

Dot indicates pin1

Parts manufactured

prior to Sept. 2007

were marked with

1 2 3

OUT

Load

0.484

12,3

Dash number

Internal code

max

only the dash number.

–

Typical SEPIC schematic

Refer to Application Note, Document 639,

“Selecting Coupled Inductors for SEPIC Applications”

0.317

8,05

max

Recommended

Land Pattern

Designer’s Kit C400 contains 3 each of all values.

Core material Ferrite

0.217

5,5

0.197

5,0

Terminations RoHS compliant matte tin over nickel over phos

bronze. Other terminations available at additional cost.

0.157

4,0

0.138

3,5

Weight: 3.7 – 4.4 g

0.197

5,0

0.177

4,5

Ambient temperature –40°C to +85°C with Irms current, +85°C to

+125°C with derated current

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

Packaging: –40°C to +80°C

0.059

1,5

0.079

2,0

Winding to winding isolation 500 Vrms

Resistance to soldering heat Max three 40 second reflows at

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

inches

Dimensions are in

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 500/13″ reel; Plastic tape: 24 mm wide, 0.4 mm thick,

16 mm pocket spacing, 8.1 mm pocket depth

PCB washing Only pure water or alcohol recommended

Specifications subject to change without notice.

Please check our website for latest information.

Document499-1 Revised10/08/08

12 3

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与MSD1278-562MLB相关器件

型号	品牌	获取价格	描述	数据表
MSD1278-562MLD	COILCRAFT	获取价格	General Purpose Inductor, 5.6uH, 20%, 2 Element, Ferrite-Core, SMD, 4848-32, CHIP, 4848-32
MSD1278-563	COILCRAFT	获取价格	Shielded Coupled Power Inductors
MSD1278-563ML	COILCRAFT	获取价格	Coupled Inductors for SEPIC
MSD1278-563MLB	COILCRAFT	获取价格	General Purpose Inductor, 56uH, 20%, 2 Element, Ferrite-Core, SMD, 4848-32, CHIP, 4848-32,
MSD1278-563MLD	COILCRAFT	获取价格	General Purpose Inductor, 56uH, 20%, 2 Element, Ferrite-Core, SMD, 4848-32, CHIP, 4848-32,
MSD1278-563MTB	COILCRAFT	获取价格	General Purpose Inductor, 56uH, 20%, 2 Element, Ferrite-Core, SMD, 4848-32, CHIP, 4848-32,
MSD1278-563MTD	COILCRAFT	获取价格	General Purpose Inductor, 56uH, 20%, 2 Element, Ferrite-Core, SMD, 4848-32, CHIP, 4848-32,
MSD1278-564	COILCRAFT	获取价格	Shielded Coupled Power Inductors
MSD1278-564KL	COILCRAFT	获取价格	Coupled Inductors for SEPIC
MSD1278-564KLB	COILCRAFT	获取价格	General Purpose Inductor, 560uH, 10%, 2 Element, Ferrite-Core, SMD, 4848-32, CHIP, 4848-32

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