Ro VE LEA
HS RS D
C ION FRE
OM S
PL AR
IA E
NT
*
*R
& oHS
AE C
C OM
AP P
PR LI
OV AN
ED T
Features
n
Semi-shielded construction
n
Inductance range: 1 to 22 µH
n
Rated current up to 2 A
AE
C *
AP Ro
PR HS
OV C
ED OM
(S PL
el IAN
ec T
t M
od
el
s)
Applications
n
Automotive
n
AEC-Q200 qualified
n
RoHS compliant* and halogen free**
systems:
- Driver assistant
- Infotainment
- Lighting
n
DC/DC converters
n
Power supplies
n
Digital video
cameras
n
HDDs
n
Smartphones
n
Televisions, LCD
displays
Electrical Specifications @ 25 °C
Inductance
@ 1 MHz / 0.1 V
Bourns Part No.
SRN3012TA-1R0Y
L (mH)
1.0
1.5
2.2
3.3
4.7
6.8
10
15
22
Tol. %
±30
±30
±20
±20
SRN3012TA Series - Semi-shielded Power Inductors
General Specifications
Q
(Min.)
@ 1 MHz
10
15
15
15
SRF
(MHz)
Typ.
150
130
90
70
55
45
40
DCR
(W)
±20 %
0.042
0.056
0.08
0.1
Irms
(A)
2.00
1.85
1.7
1.55
Isat
(A)
2.15
1.7
1.5
1.2
SRN3012TA-1R5Y
SRN3012TA-2R2M
SRN3012TA-3R3M
SRN3012TA-4R7M
SRN3012TA-6R8M
SRN3012TA-100M
SRN3012TA-150M
SRN3012TA-220M
±20
±20
±20
±20
±20
18
20
20
20
22
35
25
0.13
0.18
0.245
0.386
0.58
1.3
1.05
0.89
0.74
0.61
1.05
0.9
0.76
Operating Temperature
................................. -40 °C to +125 °C
(Temperature rise included)
Storage Temperature .. -40 °C to +125 °C
Temperature Rise .....40 °C at rated Irms
Rated Current
............ Inductance drops 30 % at Isat
Failure In Time (FIT) ........24.7/10
9
hours
Mean Time Between Failures (MTBF)
.................................. 40.4 x 10
6
hours
Materials
Core ..............................................Ferrite
Wire ............................Enameled copper
Terminal Finish ...................................Sn
Coating .................Magnetic epoxy resin
Packaging ....... 2000 pcs. per 7-inch reel
Product Dimensions
3.0 ± 0.2
(.118 ± .008)
0.62
0.49
Soldering Profile
Preheating
TP (260 °C, 10 Sec. Max.)
Soldering
Natural Cooling
Temperature (°C)
tp (245 °C, 20~40 Sec.)
3.0 ± 0.2
(.118 ± .008)
200 °C
150°C
217 °C
60~150 Sec.
60~180
Sec.
480 Sec. Max.
25
Time (Seconds)
Electrical Schematic
How to Order
REF.
1.0
(.039)
REF.
1.0
(.039)
REF.
1.0
(.039)
SRN3012TA - 100M
Model
Value Code (see table)
1.2
MAX.
(.047)
Recommended Layout
3.2
REF.
(.126)
3.2
(.126)
REF.
*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.
REF.
1.0
(.039)
DIMENSIONS:
MM
(INCHES)
SRF0504 Series - Line Filter
SRN3012TA Series - Semi-shielded Power Inductors
Inductance vs. Current
SRN3012TA-1R0Y
2.0
2.5
1.6
1.2
0.8
0.4
0
0
0.48
0.96
1.44
1.92
2.40
2.0
1.5
1.0
0.5
0
0
0.44
0.88
1.32
1.76
2.20
SRN3012TA-1R5Y
4.0
3.2
2.4
1.6
0.8
0
0
SRN3012TA-2R2M
Inductance ( H)
Inductance ( H)
Inductance ( H)
0.32
0.64
0.96
1.28
1.60
DC Current(A)
DC Current(A)
DC Current(A)
SRN3012TA-3R3M
6.0
8.0
4.8
3.6
2.4
1.2
0
0
0.28
0.56
0.84
1.12
1.40
6.4
4.8
3.2
1.6
0
0
SRN3012TA-4R7M
12.0
9.6
7.2
4.8
2.4
0
0.24
0.48
0.72
0.96
1.20
DC Current(A)
0
SRN3012TA-6R8M
Inductance ( H)
Inductance ( H)
Inductance ( H)
0.2
0.4
0.6
0.8
1.0
DC Current(A)
DC Current(A)
SRN3012TA-100M
20
30
16
12
8
4
0
0
0.16
0.32
0.48
0.64
0.80
24
18
12
6
0
DC Current(A)
0
SRN3012TA-150M
40
32
24
16
8
0
0
SRN3012TA-220M
Inductance ( H)
Inductance ( H)
Inductance ( H)
0.14
0.28
0.42
0.56
0.70
0.11
0.22
0.33
0.44
0.55
DC Current(A)
DC Current(A)
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.
8.4 ± 1.0
(.331 ± .004)
13.0 ± 0.8
(.512 ± .031)
50.0
(1.969)
MIN.
SRF0504 Series - Line Filter
SRN3012TA Series - Semi-shielded Power Inductors
178 ± 2.0
(7.008 ± .079)
Packaging Specifications
8.4 ± 1.0
(.331 ± .004)
4.0 ± 0.1
(.157 ± .004)
13.0 ± 0.8
(.512 ± .031)
50.0
(1.969)
MIN.
4.0 ± 0.05
(.157 ± .002)
2.0 ± 0.05
(.079 ± .002)
0.23 ± 0.05
(.009 ± .002)
3.2 ± 0.05
(.126 ± .002)
8.0 ± 0.1
(.315 ± .004)
178 ± 2.0
(7.008 ± .079)
1.4 ± 0.2
(.055 ± .008)
3.2 ± 0.05
(.126 ± .002)
4.0 ± 0.1
(.157 ± .004)
2.0 ± 0.05
(.079 ± .002)
DIMENSIONS:
MM
(INCHES)
0.23 ± 0.05
(.009 ± .002)
3.2 ± 0.05
(.126 ± .002)
USER DIRECTION OF FEED
QTY: 2000 PCS. PER REEL
8.0 ± 0.1
(.315 ± .004)
4.0 ± 0.05
(.157 ± .002)
1.4 ± 0.2
(.055 ± .008)
3.2 ± 0.05
(.126 ± .002)
USER DIRECTION OF FEED
07/16
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.
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