Features

■

Wirewound construction

■

Iron powder core

■

Magnetically shielded construction

provides low radiation

■

Low DC resistance

■

Low profile

■

RoHS compliant*

Applications

■

DC/DC converters for:

- Smart phones

- DVC/DSCs

- Tablets

- HDD/SSDs

- Mobile electronic devices

SRP2512 Series - SMD Power Inductors

Inductance Test Frequency ... 1 MHz/1 V

Operating Temperature

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

(Temperature rise included)

Storage Temperature

................................-50 °C to +125 °C

Rated Current

............ Inductance drops 30 % at Isat

Temperature Rise .....40 °C at rated Irms

Resistance to Soldering Heat ....+260 °C

Electrical Specifications @ 25 °C

General Specifications

Core.....................................Iron powder

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

Packaging....... 3000 pcs. per 7-inch reel

Materials

Product Dimensions

Recommended Layout

DIMENSIONS:

MM

(INCHES)

How to Order

SRP2512 - 1R0M

Model

Value Code (see table)

Electrical Schematic

Bourns

Part Number

Inductance

@ 1 MHz / 1 V

DCR

(mΩ) Max.

Irms

(A)

Isat

(A)

L (μH)

Tol. (%)

SRP2512-R47M

0.47

20

25

4.5

5.3

SRP2512-R68M

0.68

20

35

3.7

4.1

SRP2512-1R0M

1

20

49

3.4

3.4

SRP2512-1R5M

1.5

20

77

2.5

3.2

SRP2512-2R2M

2.2

20

104

2.1

3.0

Soldering Profile

t

25 °C to Peak

ts

Preheat

tL

tp

25

TL

Tp

Time (Seconds)

RAMP-DOWN

RAMP-UP

Tsmax

Tsmin

CRITICAL

ZONE

TL to TP

Profi

y

l

b

m

e

s

s

A

e

e

r

F

b

P

e

r

u

t

a

e

F

e

l

Average Ramp Rate (TSmax to TP)

3 °C/second max.

Preheat

- Temperature Min. (TSmin)

- Temperature Max. (TSmax)

- Time (tsmin to tsmax)

150 °C

200 °C

60-180 seconds

Time Maintained Above

- Temperature (TL)

- Time (tL)

217 °C

60-150 seconds

Peak Temperature (Tp)

260 °C +0/-5 °C

Time within 5 °C of Actual Peak Temperature

(Tp)

20-40 seconds

Ramp-Down Rate

6 °C/second max.

Time 25 °C to Peak Temperature

8 minutes max.

2.5 ± 0.2

(.098 ± .008)

2.0 ± 0.2

(.079 ± .008)

2.0

(.079)

0.6 ± 0.2

(.024 + .008)

0.6 ± 0.2

(.024 + .008)

1.2

(.047)

MAX.

2.8

(.110)

1.2

(.047)

*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. Users should verify actual device performance in their specific

applications. The products described herein and this document are subject to specific legal disclaimers as set forth on the

WARNING Cancer and Reproductive Harm

www.P65Warnings.ca.gov