PM428S-270Y-RC datasheet, PDF - EEWORLD Datasheet

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PM428S-270Y-RC: DescriptionGeneral Purpose Inductor, 27uH, 30%, 1 Element, Ferrite-Core, SMD, ROHS COMPLIANT; CategoryPassive components inductor; File Size318KB，2 Pages; ManufacturerBourns; Websitehttp://www.bourns.com; Environmental Compliance

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PM428S-270Y-RC Overview

General Purpose Inductor, 27uH, 30%, 1 Element, Ferrite-Core, SMD, ROHS COMPLIANT

PM428S-270Y-RC Parametric

Parameter Name	Attribute value
Is it lead-free?	Lead free
Is it Rohs certified?	conform to
Maker	Bourns
Reach Compliance Code	compliant
ECCN code	EAR99
core material	FERRITE
DC Resistance	0.2 Ω
Nominal inductance(L)	27 µH
Inductor Applications	POWER INDUCTOR
Inductor type	GENERAL PURPOSE INDUCTOR
JESD-609 code	e3
Manufacturer's serial number	PM428S
Number of functions	1
Number of terminals	2
Maximum operating temperature	125 °C
Minimum operating temperature	-40 °C
self resonant frequency	18 MHz
Shape/Size Description	RECTANGULAR PACKAGE
shield	YES
surface mount	YES
Terminal surface	Tin (Sn)
Terminal location	DUAL ENDED
Terminal shape	ONE SURFACE
Test frequency	2.52 MHz
Tolerance	30%

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Features

■

Formerly

J. .Miller

model

■

Height of 3.0 mm max.

■

Current rating up to 3.1 A

■

RoHS compliant*

Applications

■

Input/output of DC/DC converters

■

Power supplies for:

•

Portable communication equipment

Camcorders

LCD TVs

Car radios

PM428S Series - Shielded SMD Power Inductor

Electrical Speciﬁcations

Inductance 100 kHz

General Speciﬁcations

Ref.

9.34

9.18

9.24

8.64

7.72

8.58

8.12

9.56

9.624

8.24

11.26

9.66

11.64

8.26

10.76

9.7

9.74

10.88

8.42

8.6

8.78

13.32

11.72

13.86

Test

Frequency

(MHz)

7.96

2.52

0.796

SRF

Typ.

(MHz)

176

146

111

DCR

Max.

(mΩ)

100

110

125

150

160

185

200

230

250

280

320

400

520

600

700

860

1000

Irms

(A)

3.10

2.70

2.50

2.35

2.15

1.72

1.55

1.38

1.30

1.25

1.19

1.12

1.03

0.98

0.93

0.89

0.82

0.80

0.75

0.70

0.63

0.56

0.51

0.47

0.42

0.39

Isat

(A)

2.56

2.20

2.05

1.80

1.65

1.50

1.30

1.20

1.15

1.05

1.00

0.85

0.78

0.75

0.72

0.60

0.58

0.50

0.48

0.41

0.36

0.32

0.30

0.28

0.26

0.23

Bourns Part No.

PM428S-1R2Y-RC

PM428S-1R8Y-RC

PM428S-2R2Y-RC

PM428S-2R7Y-RC

PM428S-3R3Y-RC

PM428S-3R9Y-RC

PM428S-4R7Y-RC

PM428S-5R6Y-RC

PM428S-6R8Y-RC

PM428S-8R2Y-RC

PM428S-100Y-RC

PM428S-120Y-RC

PM428S-150Y-RC

PM428S-180Y-RC

PM428S-220Y-RC

PM428S-270Y-RC

PM428S-330Y-RC

PM428S-390Y-RC

PM428S-470Y-RC

PM428S-560Y-RC

PM428S-680Y-RC

PM428S-820Y-RC

PM428S-101Y-RC

PM428S-121Y-RC

PM428S-151Y-RC

PM428S-181Y-RC

(µH)

1.2

1.8

2.2

2.7

3.3

3.9

4.7

5.6

6.8

8.2

100

120

150

180

Tol. %

±30

Test Voltage .................... 0.1 V, 100 KHz

Reﬂow Soldering .... 230 ˚C; 50 sec max.

Operating Temperature

............................... -40 °C to +125 °C

(Temperature rise included)

Storage Temperature . -40 °C to +125 °C

Resistance to Soldering Heat

...............................260 °C for 10 sec.

Materials

Core Material ................................Ferrite

Wire ...........................Enameled Copper

Adhesive .............................Epoxy Resin

Terminal ................................... Ag/Ni/Sn

Rated Current ......Ind. drop of 35 % typ.

at Isat

Temperature Rise ....... 30 ˚C typ. at Irms

Packaging.................. 2000 pcs. per reel

Product Dimensions

4.80 ± 0.20

(.189 ± .008)

6R8

4.80 ± 0.20

(.189 ± .008)

2.80 ± 0.20

(.110 ± .008)

1.60

(.063)

TYP.

Soldering Proﬁle

275

<1> Maximum of 10 seconds between

+255°C and +260°C

260°C peak

<1> 255°C

225

220°C

190°C

60 - 90

seconds

Ramp Down

6°C/second

maximum

TYP.

1.60

(.063)

1.60

(.063)

TYP.

Temperature (°C)

175

150°C

Recommended Layout

125

120 - 150 seconds

10 seconds minimum

Ramp Up

3°C/second maximum

5.30

REF.

(.209)

2.00

(.079)

REF.

100

150

200

250

Rev. 02/22/05

300

Time (seconds)

1.80

(.071)

REF.

1.50

(.059)

2.00

(.079)

REF.

*RoHS Directive 2002/95/EC Jan 27 2003 including Annex.

Speciﬁcations are subject to change without notice.

Customers should verify actual device performance in their speciﬁc applications

DIMENSIONS:

(INCHES)

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