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VLH Series

Miniature SMD Power Inductor

Stackpole Electronics, Inc.

Resistive Product Solutions

Features:

•

Wirewound of ferrite core miniature chip inductor

VLH322515/322520/453226 are high Q value at high frequency and

low DC resistance

VLH322520C/453226C are low DC resistance, high current

capacity and high impedance characteristics. They are excellent

for using as a choke coil in DC power supply circuits

RoHS compliant – lead free

Pagers, cordless phones

High frequency communication products

Personal computers

Disk drives and computer peripherals

DC power supply circuits

Applications:

•

Inductance and Current Ranges

Type

VLH252010

VLH252012

VLH252510

VLH322515

VLH322520

VLH453226

VLH322515C

VLH322520C

VLH453226C

VLH575047C

Electrical specifications at 25ºC

Inductance (μH)

0.47 ~ 10

1.00 ~ 22

1.00 ~ 100

1.00 ~ 560

1.00 ~ 2200

0.47 ~ 120

1.00 ~ 560

1.00 ~ 470

0.12 ~ 10000

Current Range (A)

2.80 ~ 0.65

3.70 ~ 0.90

2.30 ~ 0.51

1.00 ~ 0.1

0.445 ~ 0.04

0.50 ~ 0.03

3.40 ~ 0.17

1.00 ~ 0.06

1.08 ~ 0.09

6.00 ~ 0.05

How to Order

Product Series

SMD

VLH

Choke Chip

Code

252010

252012

252510

322515(C)

322520(C)

453226(C)

575047(C)

Dimension

2.5x2.0x1.0

2.5x2.0x1.2

2.5x2.5x1.05

3.2x2.5x1.55

3.2x2.5x2.0

4.5x3.2x2.6

5.7x5.0x4.7

Special

Code Description

Blank General Use

Choke Use

Special

Code Description

Standard

Shielded

Inductance

Code Inductance

0.12μH

R12

12μH

120

100μH

101

1000μH

102

Tolerance

Code Tol

± 5%

± 10%

M ± 20%

± 30%

Code

Packaging

Description

Size

252010

252012

252510

7" tape

and reel

322515

322520

453226

13" tape

575047

and reel

Quantity

2,000

500

1,000

Rev Date: 11/30/2011

This specification may be changed at any time without prior notice.

Please confirm technical specifications before you order and/or use.

www.seielect.com

marketing@seielect.com

VLH Series

Miniature SMD Power Inductor

Stackpole Electronics, Inc.

Resistive Product Solutions

Mechanical Specifications

Type / Code

252010

252012

252510

322515(C)

322520(C)

453226(C)

575047(C)

0.098 ± 0.008

2.5 ± 0.2

0.098± 0.008

2.5 ± 0.2

0.098 ± 0.008

2.5 ± 0.2

0.126 ± 0.012

3.2 ± 0.3

0.126 ± 0.012

3.2 ± 0.3

0.177 ± 0.012

4.5 ± 0.3

0.224 ± 0.012

5.7 ± 0.3

0.079 ± 0.008

2.0 ± 0.2

0.079 ± 0.008

2.0 ± 0.2

0.098 ± 0.008

2.5 ± 0.2

0.098 ± 0.008

2.5 ± 0.2

0.098 ± 0.008

2.5 ± 0.2

0.126 ± 0.008

3.2 ± 0.2

0.197 ± 0.012

5.0 ± 0.3

0.039 max.

1.0 max.

0.047 max.

1.2 max.

0.041 max.

1.05 max.

0.061 ± 0.012

1.55 ± 0.3

0.079 ± 0.012

2.0 ± 0.3

0.102 ± 0.012

2.6 ± 0.3

0.185 ± 0.020

4.7 ± 0.5

0.016 ± 0.008

0.4 ± 0.2

0.016 ± 0.008

0.4 ± 0.2

0.033 ref.

0.85 ref

0.041 ± 0.012

1.05 ± 0.3

0.041 ± 0.012

1.05 ± 0.3

0.039 min.

1.0 min.

0.051 min

1.3 min.

0.039 min.

1.0 min.

0.039 min.

1.0 min.

0.033 ref.

0.85 ref.

0.041 ± 0.012

1.05 ± 0.3

0.041 ± 0.012

1.05 ± 0.3

0.039 min.

1.0 min.

0.067 min.

1.7 min.

0.083

2.1

0.083

2.1

0.098

2.5

0.079

2.0

0.079

2.0

0.118

3.0

0.197

5.0

0.035

0.9

0.035

0.9

0.047

1.2

0.059

1.5

0.059

1.5

0.079

2.0

0.079

2.0

0.031

0.8

0.031

0.8

0.031

0.8

0.039

1.0

0.039

1.0

0.047

1.2

0.079

2.0

Unit

inches

Performance Characteristics

Type, Code

Maximum

Rated DC Current (I sat): The current when the inductance becomes 30% typical its initial

value (Ta=25ºC)

252010, 252012, 252510, 322515(C)

Temperature Rise Current (I rms): The actual current when the temperature of coil

becomes

∆

T=40ºC

(Ta=25ºC)

Operating temperature range: -40 ~ 105ºC

Rated DC Current: The current when the inductance becomes 10% lower than its initial

value or the current when the temperature of coil increases

∆T20ºC.

The smaller one is

defined as Rated DC Current. (Ta=25ºC)

Operating temperature range: -40 ~ 85ºC

322520(C), 453226(C), 575047C

Electrical Specifications – VLH252010

Type / Code

R47

1R0

1R5

2R2

3R3

4R7

6R8

100

(uH)

0.47

1.0

1.5

2.2

3.3

4.7

6.8

Tolerance

Test

Condition

1MHz, 0.1V

DCR (Ω)

max.

0.048

0.085

0.128

0.190

0.304

0.440

0.541

0.854

I rms (A)

typical

2.30

1.70

1.40

1.10

0.94

0.78

0.70

0.52

I sat (A)

typical

2.80

2.00

1.70

1.40

1.20

0.98

0.82

0.65

Rev Date: 11/30/2011

This specification may be changed at any time without prior notice.

Please confirm technical specifications before you order and/or use.

www.seielect.com

marketing@seielect.com

VLH Series

Miniature SMD Power Inductor

Stackpole Electronics, Inc.

Resistive Product Solutions

Electrical Specifications – VLH252012

Type / Code

R47

1R0

1R5

2R2

3R3

4R7

5R6

6R8

100

(uH)

0.47

1.0

1.5

2.2

3.3

4.7

5.6

6.8

Tolerance

Test

Condition

1MHz, 0.1V

DCR (Ω)

max.

0.056

0.088

0.126

0.155

0.272

0.406

0.450

0.612

0.756

I rms (A)

typical

2.20

1.80

1.50

1.30

1.00

0.81

0.72

0.66

0.59

I sat (A)

typical

3.70

2.70

2.20

2.00

1.60

1.30

1.15

1.10

0.90

Electrical Specifications – VLH252510

Type / Code

1R0

1R5

2R2

3R3

4R7

5R6

6R8

8R2

100

220

(uH)

1.0

1.5

2.2

3.3

4.7

5.6

6.8

8.2

Tolerance

Test

Condition

1MHz, 0.1V

DCR (Ω)

typical

0.085

0.115

0.168

0.239

0.316

0.420

0.487

0.548

0.610

1.552

I rms (A)

typical

1.90

1.50

1.20

1.10

0.90

0.83

0.80

0.71

0.68

0.40

I sat (A)

typical

2.30

1.90

1.50

1.30

1.10

0.98

0.90

0.84

0.79

0.51

Electrical Specifications – VLH322515

Type / Code

1R0

1R5

2R2

3R3

4R7

100

150

220

330

470

680

101

(uH)

1.0

1.5

2.2

3.3

4.7

100

Tolerance

Test

Condition

1MHz, 0.1V

DCR (Ω)

max.

0.078

0.068

0.126

0.180

0.195

0.420

0.750

1.000

1.400

2.200

3.200

4.500

IDC (A)

max.

1.000

1.200

0.790

0.700

0.650

0.450

0.300

0.250

0.200

0.170

0.130

0.100

SRF (MHz)

min.

100

Rev Date: 11/30/2011

This specification may be changed at any time without prior notice.

Please confirm technical specifications before you order and/or use.

www.seielect.com

marketing@seielect.com

VLH Series

Miniature SMD Power Inductor

Stackpole Electronics, Inc.

Resistive Product Solutions

Electrical Specifications – VLH322520

Type / Code

1R0

1R2

1R5

1R8

2R2

2R7

3R3

3R9

4R7

5R6

6R8

8R2

100

120

150

180

220

270

330

390

470

560

680

820

101

121

151

181

221

271

331

391

471

561

(uH)

1.0

1.2

1.5

1.8

2.2

2.7

3.3

3.9

4.7

5.6

6.8

8.2

100

120

150

180

220

270

330

390

470

560

Tolerance

K, M

J, K

Test

Condition

1MHz, 0.1V

1KHz, 0.1V

Quality Factor

Spec. min. Test Condition

1MHz, 0.1V

796KHz, 0.1V

DCR (Ω)

max.

0.50

0.60

0.70

0.80

0.90

1.00

1.10

1.20

1.30

1.50

1.60

1.80

2.00

2.20

2.50

2.80

3.10

3.50

3.90

4.30

4.90

5.50

6.20

7.00

8.00

9.30

10.20

11.80

12.50

15.00

22.00

25.00

28.00

IDC (A)

max.

0.445

0.425

0.400

0.390

0.370

0.320

0.300

0.290

0.270

0.250

0.240

0.225

0.190

0.180

0.170

0.165

0.150

0.125

0.115

0.110

0.100

0.085

0.080

0.070

0.080

0.075

0.070

0.065

0.050

0.045

0.040

SRF (MHz)

min.

100

8.5

7.5

5.5

5 ref

Rev Date: 11/30/2011

This specification may be changed at any time without prior notice.

Please confirm technical specifications before you order and/or use.

www.seielect.com

marketing@seielect.com

VLH Series

Miniature SMD Power Inductor

Stackpole Electronics, Inc.

Resistive Product Solutions

Electrical Specifications – VLH453226

Type / Code

1R0

1R2

1R5

1R8

2R2

2R7

3R3

3R9

4R7

5R6

6R8

8R2

100

120

150

180

220

270

330

390

470

560

680

820

101

121

151

181

221

271

331

391

471

561

681

821

102

122

152

182

222

(uH)

1.0

1.2

1.5

1.8

2.2

2.7

3.3

3.9

4.7

5.6

6.8

8.2

100

120

150

180

220

270

330

390

470

560

680

820

1000

1200

1500

1800

2200

Tolerance

K, M

J, K

Test

Condition

1MHz, 0.1V

1KHz, 0.1V

Quality Factor

Spec. min. Test Condition

1MHz, 0.1V

796KHz, 0.1V

252KHZ, 0.1V

DCR (Ω)

max.

0.20

0.30

0.32

0.35

0.38

0.40

0.47

0.50

0.56

0.62

0.73

0.82

0.94

1.10

1.20

1.40

1.50

1.70

1.90

2.20

2.50

3.00

3.70

4.50

5.40

6.80

8.20

9.70

11.80

14.50

17.00

20.50

25.00

30.00

37.00

45.00

50.00

IDC (A)

max.

0.500

0.450

0.400

0.380

0.360

0.340

0.320

0.300

0.270

0.240

0.220

0.200

0.180

0.170

0.160

0.150

0.130

0.120

0.110

0.100

0.095

0.090

0.080

0.070

0.065

0.060

0.050

0.045

0.040

0.035

0.030

SRF (MHz)

min.

120

100

9.3

8.4

7.5

6.8

6.2

5.5

4.5

3.6

3.3

2.7

2.5

2.2

1.8

1.6

1.5

1.3

Rev Date: 11/30/2011

This specification may be changed at any time without prior notice.

Please confirm technical specifications before you order and/or use.

www.seielect.com

marketing@seielect.com