SRF2012A

T
PL
IA
N
OM
C
Applications
n High impedance value
n Noise suppression
n Current rating up to 400 mA
n Personal computers
n RoHS compliant* and halogen free**
n Display panels
LE
AD
F
RE
E
*R
oH
S
Features
SRF2012A Series - Common Mode Chip Inductors
General Specifications
Impedance
@ 100 MHz
Part Number
(W)
Tolerance
(%)
SRF2012-670YA
67
±25
SRF2012-300YA
30
SRF2012-900YA
±25
90
SRF2012-121YA
120
SRF2012-181YA
180
SRF2012-161YA
±25
SRF2012-201YA
SRF2012-221YA
SRF2012-301YA
SRF2012-371YA
±25
370
SRF2012-501YA
500
SRF2012-671YA
±25
670
SRF2012-901YA
900
400
50
125
10
50
125
10
10
0.40
10
300
300
0.46±0.1
0.40
300
2 (.018±.004)
0.50
300
0.50
300
0.50
10
300
0.50
10
0.60
3
10
0.88
0.55±0.1
(.022±.004)
Soldering Profile
350
0.40
10
4
350
0.35
10
125
400
0.35
10
125
400
0.30
10
50
400
0.30
10
125 1
125
125
0.20
10
125(.006±.004)
50
±25
0.25
10
125 0.15±0.1
50
±25
2.0±0.2
10
(.079±.008)
125
50
±25
IDC
Max.
(mA)
125
50
±25
360
DCR
Max.
(W)
125
50
±25
Insulation
Resistance
(MW) Min.
125
50
±25
300
SRF2012-361YA
125
125
50
±25
260
50
50
50
±25
220
SRF2012-261YA
Withstanding
Voltage
(DC)
50
±25
200
Rated
Voltage
(VDC)
50
±25
160
Ro VE LEA
HS RS D
C ION FRE
OM S E
PL AR IA E
NT
*
Electrical Specifications
Materials
Core...............................................Ferrite
Wire.............................Enameled copper
Terminal.....................................Ag/Ni/Sn
Packaging........ 2000 pcs. per 7-inch reel
Product Dimensions
300
2.0±0.2
2.0±0.2
(.079±.008)
(.079±.008)
140
0.46±0.1
100
(.018±.004)
0.55±0.1
(.022±.004)
0.15±0.1
0.15±0.1
(.006±.004)
(.006±.004)
275
<1>Maximumof10secondsbetween
+255°Cand+260°C
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
260°Cpeak
1.2±0.2
(.047±.008)
<1>255°C
225
1
1
2
4
4
3
0.46±0.1
0.46±0.1
2 (.018±.004)
(.018±.004)
220°C
1.2±0.2
60-90
(.047±.008)
seconds
Temperature (°C)
190°C
175
RampDown
6°C/second
maximum
150°C
125
120-150seconds
10secondsminimum
1
2
4
3
1.25
(.049)
75
RampUp
3°C/secondmaximum
25
0
50
100
1.1
200
(.043)
150
Time(seconds)
How to Order
Model
250
2.6
(.102)
SRF2012 - 201 Y A
0.55±0.1
0.55±0.1
(.022±.004)
(.022±.004)
0.55±0.1
0.55±0.1
(.022±.004)
(.022±.004)
300
1.2±0.2
1.2±0.2
(.047±.008)
(.047±.008)
Rev.02/22/05
1.2±0.2
1.2±0.2
(.047±.008)
(.047±.008)
Schematic
Value Code (see table)
Tolerance Code
0.45
(.018)
0.46±0.1
3
0.46±0.1
(.018±.004)
(.018±.004)
1
2
4
3
Recommended Layout
1
1
2
2
4
4
3
3
Model Suffix
1.25 1.25
(.049) (.049)
0.45 0.45
(.018) (.018)
1.1
1.1
(.043) (.043)
2.6
2.6
(.102) (.102)
* 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.
MM
DIMENSIONS:
Specifications are subject to change without notice.
(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.
1
1
2
2
SRF2012A Series - Common Mode Chip Inductors
Typical Impedance vs. Frequency Curves
SRF2012-300YA
100
Common Mode
10
Normal Mode
1
0.1
1
10
100
SRF2012-670YA
1000
Impedance (Ohms)
Impedance (Ohms)
1000
1000
100
Common Mode
10
Normal Mode
1
0.1
10000
1
10
Frequency (MHz)
SRF2012-900YA
100
Common Mode
10
Normal Mode
1
0.1
1
10
100
1000
100
Normal Mode
Impedance (Ohms)
Impedance (Ohms)
Normal Mode
1
10
100
10
1000
Common Mode
100
10
Normal Mode
1
0.1
10000
1
10
Impedance (Ohms)
Impedance (Ohms)
Common Mode
Normal Mode
1
1
10
100
1000
1000
100
Normal Mode
1
0.1
10000
Common Mode
10
Frequency (MHz)
1
10
100
1000
Frequency (MHz)
Common Mode
Ohms)
Ohms)
SRF2012-301YA
SRF2012-261YA
Specifications are subject
1000
1000 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.
100
10000
SRF2012-221YA
1000
10
0.1
100
Frequency (MHz)
SRF2012-201YA
100
10000
SRF2012-181YA
Frequency (MHz)
1000
1000
100
1000
Common Mode
1
1
Frequency (MHz)
10
0.1
Common Mode
1
0.1
10000
SRF2012-161YA
100
10000
10
Frequency (MHz)
1000
1000
SRF2012-121YA
1000
Impedance (Ohms)
Impedance (Ohms)
1000
100
Frequency (MHz)
100
Common Mode
10000
0.1
I
I
1
1
10
100
1000
1
0.1
10000
1
10
SRF2012-201YA
Common Mode
100
1000
10000
SRF2012-221YA
1000
Impedance (Ohms)
Impedance (Ohms)
1000
100
Frequency (MHz)
Frequency (MHz)
10
Normal Mode
1
100
Common Mode
10
Normal Mode
1
SRF0504
Series
- Line
Filter Mode Chip Inductors
SRF2012A
Series
- Common
0.1
1
10
1000
100
0.1
10000
FrequencyCurves
(MHz) (Continued)
Typical Impedance vs. Frequency
Impedance (Ohms)
Impedance (Ohms)
10
Normal Mode
1
0.1
1
10
100
1000
100
Normal Mode
1
1
10
Impedance (Ohms)
Impedance (Ohms)
Normal Mode
1
100
10
Normal Mode
1
0.1
10
100
1000
10000
1
10
SRF2012-501YA
Common Mode
100
10
Normal Mode
1
10
100
1000
10000
Frequency (MHz)
Impedance (Ohms)
1000
Common Mode
100
10
Normal Mode
1
0.1
1
10
100
1000
Frequency (MHz)
SRF2012-901YA
10000
1000
Common Mode
100
10
Normal Mode
1
1
10
100
1000
10000
SRF2012-671YA
10000
Impedance (Ohms)
Impedance (Ohms)
10000
1000
100
Frequency (MHz)
Frequency (MHz)
1
10000
Common Mode
10
0.1
1000
SRF2012-371YA
1000
Common Mode
1000
100
Frequency (MHz)
SRF2012-361YA
1
10000
10
0.1
10000
100
0.1
1000
Common Mode
Frequency (MHz)
1000
100
SRF2012-301YA
1000
Common Mode
100
10
Frequency (MHz)
SRF2012-261YA
1000
1
10000
Frequency (MHz)
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.
10000
SRF2012A Series - Common Mode Chip Inductors
9.0 ± 0.5
(.354 ± .020)
Packaging Specifications
9.0 ± 0.5
(.354 ± .020)
13.5 ± 0.5
(.531 ± .020)
DIA.
13.5 ± 0.5
(.531 ± .020)
DIA.
178 ± 2
(7.008 ± .079)
10.5
R
20.5 (.413)
(.807)
1.9 ± 0.5
0.5
13.5
R
RR (.075)
(.020)
(.531 ± .020)
10.5
R
(.413)
120 °
1.9
0.5
R
R
(.075)
(.020)
60 ± 2
(2.362 ± .079)
60 ± 2
(2.362 ± .079)
178 ± 2
(7.008 ± .079)
120 °
2.0 ± 0.05
(.079 ± .002)
1.75 ± 0.1
(.069 ± .004)
2.0 ± 0.05
(.079 ± .002)
4.0 ± 0.1
(.157 ± .004)
4.0 ± 0.1
(.157 ± .004)
1.75 ± 0.1
(.069 ± .004)
1.5 + 0.1
DIA.
(.059 + .004)
A
4.0 ± 0.1
(.157 ± .004)
4.0 ± 0.1
(.157 ± .004)
0.22 ± 0.05
(.009 ± .002)
1.5 + 0.1
DIA.
(.059 + .004)
8.0 ± 0.1
(.315 ± .004)
A
0.22 ± 0.05
(.009 ± .002)
8.0 ± 0.1
2.35 ± 0.1
(.315 ± .004)
(.093 ± .004)
1.1 + 0.1
DIA.
(.043 + .004)
2.35 ± 0.1
1.50 ± 0.1
(.093 ± .004)
SECTION A-A
(.059 ± .004)1.1 + 0.1
DIA.
(.043 + .004)
3.5 ± 0.05
(.138 ± .002)
3.5 ± 0.05
(.138 ± .002)
20.5
(.807)
13.5 ± 0.5
R
(.531 ± .020)
A
A
1.50 ± 0.1
(.059 ± .004)
1.45 ± 0.1
(.057 ± .004)
1.45 ± 0.1
(.057 ± .004)
MM
SECTIONDIMENSIONS:
A-A
(INCHES)
USER DIRECTION OF FEED
QTY: 2000 PCS. PER REEL
USER DIRECTION OF FEED
03/16
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.