25

75

125

175

225

275

0

50

100

150

200

250

300

Time (seconds)

120 - 150 seconds

60 - 90

seconds

260°C peak

190°C

150°C

220°C

Ramp Down

6°C/second

maximum

<1> 255°C

<1> Maximum of 10 seconds between

+255°C and +260°C

Ramp Up

3°C/second maximum

10 seconds minimum

Rev. 02/22/05

5.30

(.209)

2.00

(.079)

REF.

1.50

(.059)

REF.

2.00

(.079)

REF.

1.80

(.071)

REF.

REF.

R

6R8

4.80 ± 0.20

(.189 ± .008)

4.80 ± 0.20

(.189 ± .008)

1.60

(.063)

TYP.

1.60

(.063)

TYP.

1.60

(.063)

TYP.

2.80 ± 0.20

(.110 ± .008)

Features

model

Applications

• Portable communication equipment

• Camcorders

• LCD TVs

• Car radios

PM428S Series - Shielded SMD Power Inductor

*RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011.

Specifications are subject to change without notice.

Customers should verify actual device performance in their specific applications.

General Specifications

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

DIMENSIONS:

MM

(INCHES)

Product Dimensions

Electrical Specifications

Recommended Layout

Inductance 100 kHz

Test

SRF

DCR

Q

Frequency

Typ.

Max.

Irms

Isat

Bourns Part No.

(µH)

Tol. %

Ref.

(MHz)

(MHz)

(m

Ω)

(A)

(A)

PM428S-1R2-RC

1.2

±30

9.34

7.96

176

20

3.10

2.56

PM428S-1R8-RC

1.8

±30

9.18

7.96

146

25

2.70

2.20

PM428S-2R2-RC

2.2

±30

9.24

7.96

111

28

2.50

2.05

PM428S-2R7-RC

2.7

±30

8.64

7.96

92

30

2.35

1.80

PM428S-3R3-RC

3.3

±30

7.72

7.96

76

35

2.15

1.65

PM428S-3R9-RC

3.9

±30

8.58

7.96

56

60

1.72

1.50

PM428S-4R7-RC

4.7

±30

8.12

7.96

55

70

1.55

1.30

PM428S-5R6-RC

5.6

±30

9.56

7.96

69

85

1.38

1.20

PM428S-6R8-RC

6.8

±30

9.624

7.96

77

90

1.30

1.15

PM428S-8R2-RC

8.2

±30

8.24

7.96

45

100

1.25

1.05

PM428S-100-RC

10

±30

11.26

2.52

34

110

1.19

1.00

PM428S-120-RC

12

±30

11.26

2.52

25

125

1.12

0.85

PM428S-150-RC

15

±30

9.66

2.52

27

150

1.03

0.78

PM428S-180-RC

18

±30

11.64

2.52

25

160

0.98

0.75

PM428S-220-RC

22

±30

8.26

2.52

23

185

0.93

0.72

PM428S-270-RC

27

±30

10.76

2.52

18

200

0.89

0.60

PM428S-330-RC

33

±30

9.7

2.52

16

230

0.82

0.58

PM428S-390-RC

39

±30

9.74

2.52

14

250

0.80

0.50

PM428S-470-RC

47

±30

10.88

2.52

13

280

0.75

0.48

PM428S-560-RC

56

±30

9

2.52

13

320

0.70

0.41

PM428S-680-RC

68

±30

8.42

2.52

11

400

0.63

0.36

PM428S-820-RC

82

±30

8.6

2.52

8

520

0.56

0.32

PM428S-101-RC

100

±30

8.78

0.796

9

600

0.51

0.30

PM428S-121-RC

120

±30

13.32

0.796

8

700

0.47

0.28

PM428S-151-RC

150

±30

11.72

0.796

6

860

0.42

0.26

PM428S-181-RC

180

±30

13.86

0.796

7

1000

0.39

0.23

Soldering Profile