0.46 ± 0.1

( .018 ± .004)

0.55 ± 0.1

( .022 ± .004)

0.55 ± 0.1

( .022 ± .004)

0.46 ± 0.1

( .018 ± .004)

1.2 ± 0.2

(.047 ± .008)

0.15 ± 0.1

(.006 ± .004)

1.2 ± 0.2

(.047 ± .008)

2.0 ± 0.2

(.079 ± .008)

12

4

3

Features

@ 100 MHz

Applications

- Data and signal lines

- CANbus

- Automotive electronics

- Consumer electronics

- Telecom devices

SRF2012AA Series - Common Mode Chip Inductors

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

**Bourns considers a product to be “halogen free” if (a) the Bromine (Br) content is 900 ppm or less; (b) the Chlorine

(Cl) content is 900 ppm or less; and (c) the total Bromine (Br) and Chlorine (Cl) content is 1500 ppm or less.

Specifications are subject to change without notice.

The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time.

Users should verify actual device performance in their specific applications.

Rated Voltage ............................ 50 VDC

Withstanding Voltage............... 125 VDC

Insulation Resistance

........... 10 megohms min. @ 100 VDC

Operating Temperature

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

(Temperature rise included)

Storage Temperature

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

Temperature Rise .....20 °C at rated Irms

Electrical Specifications @ 25 °C

Bourns

Part Number

Impedance

@ 100 MHz / 1 V

DCR

Typ.

(

Ω)

DCR

Max.

(

Ω)

Irms

(mA)

Z

(

Ω)

Tolerance

(%)

SRF2012A-670YA

67

± 25

0.15

0.25

400

SRF2012A-900YA

90

± 25

0.16

0.30

400

SRF2012A-121YA

120

± 25

0.20

0.30

400

SRF2012A-161YA

160

± 25

0.25

0.35

350

SRF2012A-181YA

180

± 25

0.25

0.35

350

SRF2012A-201YA

200

± 25

0.30

0.40

300

SRF2012A-221YA

220

± 25

0.30

0.40

300

SRF2012A-261YA

260

± 25

0.35

0.40

300

SRF2012A-361YA

360

± 25

0.45

0.50

300

General Specifications

Core..............................................Ferrite

Wire ............................Enameled copper

Terminal Finish ...................................Sn

Packaging....... 2000 pcs. per 7-inch reel

Materials

Product Dimensions

Schematic

How to Order

SRF2012A - 201 Y A

Model

Value Code (see table)

Tolerance Code

Model Suffix

1

4

2

3

Soldering Profile

1.25

(.049)

0.45

(.018)

1.1

(.043)

2.6

(.102)

12

4

3

Asia-Pacific: Tel: +886-2 2562-4117 • Fax: +886-2 2562-4116

EMEA:

Tel: +36 88 520 390 • Fax: +36 88 520 211

The Americas: Tel: +1-951 781-5500 • Fax: +1-951 781-5700

www.bourns.com

DIMENSIONS:

MM

(INCHES)

Recommended Layout

25

TIME (Seconds)

Reflow times: 3 times max.

PRE-HEATING

SOLDERING

NATURAL

COOLING

20 ~ 40 s

60 ~ 150 s

60 ~ 180 s

150 °C

200 °C

217 °C

TP (260 °C) 40 s max.

480 s max.