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SRF2012AA Datasheet, PDF (1/3 Pages) Bourns Electronic Solutions – Common Mode Chip Inductors
*RoHS**CHOAML&POLGIAENNTFREE
Features
■ Shielded construction – low radiation
■ Bifilar wound
■ Impedance range: 67 to 360 ohms
@ 100 MHz
■ AEC-Q200 qualified
■ RoHS compliant* and halogen free**
Applications
■ EMI suppression for:
- Data and signal lines
- CANbus
- Automotive electronics
- Consumer electronics
- Telecom devices
SRF2012AA Series - Common Mode Chip Inductors
Electrical Specifications @ 25 °C
Bourns
Part Number
SRF2012A-670YA
SRF2012A-900YA
SRF2012A-121YA
SRF2012A-161YA
SRF2012A-181YA
SRF2012A-201YA
SRF2012A-221YA
SRF2012A-261YA
SRF2012A-361YA
Impedance
@ 100 MHz / 1 V
Z
Tolerance
(Ω)
(%)
67
± 25
90
± 25
120
± 25
160
± 25
180
± 25
200
± 25
220
± 25
260
± 25
360
± 25
DCR
Typ.
(Ω)
0.15
0.16
0.20
0.25
0.25
0.30
0.30
0.35
0.45
Soldering Profile
PRE-HEATING
TP (260 °C) 40 s max.
SOLDERING
20 ~ 40 s
DCR
Max.
(Ω)
0.25
0.30
0.30
0.35
0.35
0.40
0.40
0.40
0.50
Irms
(mA)
400
400
400
350
350
300
300
300
300
NATURAL
COOLING
General Specifications
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
Materials
Core ..............................................Ferrite
Wire ............................Enameled copper
Terminal Finish ...................................Sn
Packaging....... 2000 pcs. per 7-inch reel
Product Dimensions
2.0 ± 0.2
(.079 ± .008)
217 °C
200 °C
150 °C
60 ~ 180 s
60 ~ 150 s
0.15 ± 0.1
(.006 ± .004)
1
0.46 ± 0.1
2 ( .018 ± .004)
480 s max.
Reflow times: 3 times max.
25
TIME (Seconds)
How to Order
Schematic
SRF2012A - 201 Y A
1
2
Model
Value Code (see table)
Tolerance Code
4
3
Model Suffix
4
0.55 ± 0.1
( .022 ± .004)
1.2 ± 0.2
(.047 ± .008)
3 0.46 ± 0.1
( .018 ± .004)
0.55 ± 0.1
( .022 ± .004)
1.2 ± 0.2
(.047 ± .008)
Recommended Layout
Asia-Pacific: Tel: +886-2 2562-4117 • Fax: +886-2 2562-4116
EMEA: Tel: +36 88 520 390 • Fax: +36 88 520 211
1
2
1.25
(.049)
The Americas: Tel: +1-951 781-5500 • Fax: +1-951 781-5700
www.bourns.com
0.45
4
3
(.018)
1.1
* RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011.
(.043)
2.6
**Bourns considers a product to be “halogen free” if (a) the Bromine (Br) content is 900 ppm or less; (b) the Chlorine
(.102)
(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.
DIMENSIONS:
MM
(INCHES)
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.