MSD1278-104MLD Coilcraft, MSD1278-104MLD Datasheet

MSD1278-104MLD

Manufacturer Part Number

MSD1278-104MLD

Description

Manufacturer

Coilcraft

Datasheet

1.MSD1278-104MLD.pdf (3 pages)

Specifications of MSD1278-104MLD

Lead_time

Pack_quantity

500

Comm_code

85045095

Available stocks

Company

Part Number

Manufacturer

Quantity

Price

Company:

Bonase Electronics (HK) Co., Limited

Part Number:

MSD1278-104MLD

Manufacturer:

COILCRAFT

Quantity:

40 000

Company:

Meier Automation Equipment Co., Limited

Part Number:

MSD1278-104MLD

Manufacturer:

COILCRAFT/线艺

Quantity:

20 000

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Download datasheet (290Kb)

Dimensions are in

0.484

12,3

Coupled Inductors – MSD1278

For optional tin-lead and tin-silver-copper

terminations, dimensions are for the mounted

part. Dimensions before mounting can be

an additional 0.012 inch (0,3 mm).

0.197

5,0

max

0.484

12,3

1 2 3

0.197

inches

5,0

max

0.059

1,5

0.138

0.317

Dot indicates pin1

Internal code

8,05

Dash number

3,5

max

Taiwan

China

Singapore

0.157

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

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

4,0

Recommended

Parts manufactured

prior to Sept. 2007

were marked with

only the dash number.

Land Pattern

+86-21-6218 8074 sales@coilcraft.com.cn

+886-2-2264 3646 sales@coilcraft.com.tw

0.217

+ 65-6484 8412 sales@coilcraft.com.sg

5,5

1 1

0.079

2,0

0.177

4,5

Tight coupling (k ≥ 0.94) and 500 V isolation make the

MSD1278 series of coupled inductors ideal for use in

a variety of circuits including flyback, multi-output buck

and SEPIC.

These inductors provide high inductance, high efficiency

and excellent current handling in a rugged, low cost part.

They can also be used as two single inductors connected

in series or parallel or as a common mode choke.

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

Core material Ferrite

Terminations RoHS compliant matte tin over nickel over phos

bronze. Other terminations available at additional cost.

Weight: 3.7 – 4.4 g

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.

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

Winding-to-winding and winding-to-core isolation 500 Vrms

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 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

–

Typical Buck Converter with auxiliary output

Typical Flyback Converter

Typical SEPIC schematic

This product may not be used in medical of high

risk applications without prior Coilcraft approval.

Document 499-1 Revised 01/13/12

Please check out web site for latest information.

Specification subject to change without notice.

For Flyback, SEPIC

and other Applications

Document 499-1

OUT AUX

OUT

–

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