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SRF2012-300YA Datasheet, PDF (1/4 Pages) Bourns Electronic Solutions – Common Mode Chip Inductors
*RoHS COMPLIANT
Features
n High impedance value
n Current rating up to 400 mA
n RoHS compliant* and halogen free**
Applications
n Noise suppression
n Personal computers
n Display panels
LEAD FREE
SRF2012A Series - Common Mode Chip Inductors
Electrical Specifications
Part Number
SRF2012-300YA
SRF2012-670YA
SRF2012-900YA
SRF2012-121YA
SRF2012-161YA
SRF2012-181YA
SRF2012-201YA
SRF2012-221YA
SRF2012-261YA
SRF2012-301YA
SRF2012-361YA
SRF2012-371YA
SRF2012-501YA
SRF2012-671YA
SRF2012-901YA
Impedance
@ 100 MHz
Tolerance
(W)
(%)
30
±25
67
±25
90
±25
120
±25
160
±25
180
±25
200
±25
220
±25
260
±25
300
±25
360
±25
370
±25
500
±25
670
±25
900
±25
VR(oValDttaeCLVgERdE)AoeRDHSSFIORCNEOWSEMAPiRLtVEhIAo(NsDTltt*aCang)deing
50
125
50
125
50
125
Insulation
Resistance
(MW) Min.
10
(.0271.900±±
0.2
.008)
10
50
125
10
50
125
10
50
125
10
50
125 0.15 ± 0.1 10
50
125(.006 ± .004) 10
50
125 1
10
50
125
10
50
125
10
50
125
10
50
125
10
50
125
10
50
125 4
10
DCR
Max.
(W)
IDC
Max.
(mA)
0.20 400
0.25 400
0.30 400
0.30 400
0.35 350
0.35 350
0.40 300
0.40 300
0.240 ( .00.14863±±0.000.014)
0.50 300
0.50 300
0.50 300
0.50 300
00..36808
140
0.46 ± 0.1
( .0181±0.0004)
Soldering Profile
0.55 ± 0.1
( .022 ± .004)
0.55 ± 0.1
( .022 ± .004)
275
<1> Maximum of 10 seconds between
+255°C and +260°C
225
175
150°C
<1> 255°C
260°C peak
220°C
190°C
1.2 ± 0.2
(.047s6e0±co-n.90d0s08)
1.2 ± 0.2
(.047 ± .008)
Ramp Down
6°C/second
maximum
General Specifications
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, 10 sec. max.
Temperature Rise.......30 °C max. at IDC
Materials
Core..............................................Ferrite
Wire.............................Enameled copper
Terminal.....................................Ag/Ni/Sn
Packaging....... 2000 pcs. per 7-inch reel
Product Dimensions
2.0 ± 0.22.0 ± 0.2
(.079 ± (..000789) ± .008)
0.15 ± 00..115 ± 0.1
(.006 ± (..000046) ± .004)
11
0.46 ± 00..146 ± 0.1
2 ( .0218 ±(..000148) ± .004)
125
75
25
0
120 - 150 seconds
Ramp Up
3°C/second maximum
50
100
10 seconds minimum
1
150
Time (seconds)
4
1.1
200
(.043)
44
2
1.25
(.049) 0.55 ± 00..155 ± 0.1
3
0.45
(.018)
( .022 ±(..000242) ± .004)
250
2.6
(.102)
300
Rev. 02/22/05
3 03.46 ± 00..146 ± 0.1
( .018 ±(..000148) ± .004)
0.55 ± 00..155 ± 0.1
( .022 ±(..000242) ± .004)
1.2 ± 0.12.2 ± 0.2
(.047 ± (..000487) ± .008)
How to Order
Schematic
1.2 ± 0.12.2 ± 0.2
(.047 ± (..000487) ± .008)
Model
SRF2012 - 201 Y A
1
2
Recommended Layout
Value Code (see table)
Tolerance Code
Model Suffix
4
3
1
1
2
2
1.25 1.25
(.049) (.049)
4
4
3
3
0.45 0.45
(.018) (.018)
* 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;
1.1 1.1
(.043)
(.043)
2.6
2.6
(.102) (.102)
(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.
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.
11
22