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
Shielded construction
n
Carbonyl powder core
Applications
n
Automotive systems:
- Driver assistant
AE
C *
AP Ro
PR HS
OV C
ED OM
(S PL
el IAN
ec T
t M
od
el
s)
7
R4 318
1
n
High saturation current
n
Inductance range: 0.20 to 22 µH
n
AEC-Q200 qualified
n
RoHS compliant* and halogen free**
- Information
- Entertainment
- Lighting
n
DC/DC converters
n
Power supplies
Electrical Specifications @ 25 °C
Bourns
Part Number
Inductance
@ 100 KHz
Q (Min.)
/1V
@100 KHz
/1V
L
Tol.
(µH)
(%)
SRP1245A Series - Shielded Power Inductors
General Specifications
SRF
(MHz)
Typ.
DCR
(mW)
Typ.
DCR
(mW)
Max.
Irms
(A)
Isat
(A)
Terminal
Type
SRP1245A-R20M
SRP1245A-R22M
SRP1245A-R33M
SRP1245A-R36M
SRP1245A-R39M
SRP1245A-R47M
SRP1245A-R50M
SRP1245A-R56M
SRP1245A-R68M
SRP1245A-R82M
SRP1245A-1R0M
SRP1245A-1R2M
SRP1245A-1R5M
SRP1245A-1R8M
SRP1245A-2R2M
SRP1245A-2R7M
SRP1245A-3R3M
SRP1245A-4R7M
SRP1245A-5R6M
SRP1245A-6R0M
SRP1245A-6R8M
SRP1245A-8R2M
SRP1245A-100M
SRP1245A-180M
SRP1245A-220M
0.20
0.22
0.33
0.36
0.39
0.47
0.50
0.56
0.68
0.82
1.0
1.2
1.5
1.8
2.2
2.7
3.3
4.7
5.6
6.0
6.8
8.2
10
18
22
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
10
10
15
15
15
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
130
120
90
80
78
70
65
60
50
45
40
35
30
27
24
23
22
15
13
12
12
11
10
7
6
0.45
0.5
0.7
0.75
0.78
0.86
0.9
1
1.4
1.7
1.85
2.5
2.8
4
4.2
4.7
6.8
11.4
12.3
13
14.5
16.8
21.4
40
50
0.55
0.7
0.9
0.95
0.95
1.1
1.3
1.5
1.7
2.1
2.5
3.0
3.3
4.9
5.5
6.7
9.2
15.0
16.5
16.5
18.5
22.5
25.5
45.0
58
52
52
42
42
42
38
37
36
34
31
29
28
27
21
20
17
15
12
11.5
11.5
11
9.5
9
7.5
6.5
110
110
80
75
70
65
60
55
54
52
50
49
48
40
32
32
32
27
22
21.5
21
18
16
11
10
Non-
Lead
Frame
Test Voltage ....................................1.0 V
Test Frequency ......................... 100 KHz
Operating Temperature
................................-40 °C to +150 °C
(Temperature rise included)
Storage Temperature .. -40 °C to +125 °C
Rated Current
............ Inductance drops 20 % at Isat
Temperature Rise .....40 °C at rated Irms
Resistance to Soldering Heat
........................ +260 °C, 40 sec. max.
Moisture Sensitivity Level .....................1
13.5 ± 0.5
ESD Classification (HBM).................N/A
(.531 ± .020)
1
Circuit design, component, PCB trace
size and thickness, airflow and other
3R3
cooling provisions all affect the part
temperature. Part temperature should be
1510
verified in the end application.
Materials
12.5 ± 0.3
(.492 ± .012)
4.8 ± 0.2
(.189 + .008)
Lead
Frame
Core .............................Carbonyl powder
2.75 ± 0.35
(.108 ± .014)
Wire ............................Enameled copper
2.3 ± 0.3
Terminal Finish ...................................Sn
(.091 ± .012)
per 13-inch reel
Packaging ....... 500 pcs.
How to Order
Model
2.0
(.079)
REF.
SRP1245A - 100M
LINE
Value Code (see table)
13.5 ± 0.5
Recommended Layout
14.2
(.559)
4.7 ± 0.3
(.185 ± .012)
GRADUATED
Non-Lead Frame Terminal
13.5 ± 0.5
(.531 ± .020)
Product Dimensions
Lead Frame Terminal
13.5 ± 0.5
(.531 ± .020)
(.531 ± .020)
R20
1510
12.5 ± 0.3
(.492 ± .012)
4.8 ± 0.2
(.189 + .008)
3R3
1510
12.5 ± 0.3
(.492 ± .012)
4.8 ± 0.2
(.189 + .008)
R20
1510
12.5 ± 0.3
(.492 ± .012)
5.0
(.197)
8.0
(.315)
4.8 ± 0.2
(.189 + .008)
2.75 ± 0.35
(.108 ± .014)
2.3 ± 0.3
(.091 ± .012)
2.0
(.079)
REF.
2.75 ± 0.35
(.108 ± .014)
2.3 ± 0.3
(.091 ± .012)
2.0
(.079)
REF.
2.75 ± 0.35
Please consult
Bourns
®
Model SRP-A
(.108 ± .014)
Series Visual Inspection Guide
for detailed
2.3 ± 0.3
construction, processing and testing
(.091 ± .012)
information.
2.0
(.079)
REF.
GRADUATED
LINE
GRADUATED
LINE
4.7 ± 0.3
(.185 ± .012)
MM
DIMENSIONS:
(INCHES)
4.7 ± 0.3
(.185 ± .012)
14.2
(.559)
* 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.
4.7 ± 0.3
(.185 ± .012)
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.
GRADUATED
LINE
5.0
(.197)
2.75 ± 0.35
(.108 ± .014)
2.3 ± 0.3
(.091 ± .012)
2.0
(.079)
REF.
GRADUATED
LINE
4.7 ± 0.3
(.185 ± .012)
14.2
(.559)
SRP1245A Series - Shielded Power Inductors
SRF0504 Series - Line Filter
Soldering Profile
PRE-HEATING
SOLDERING
TP (260 °C / 10 seconds max.)
tp (245 °C / 20~40 seconds)
5.0
(.197)
Electrical Schematic
NATURAL
COOLING
8.0
(.315)
Temperature (°C)
217
200
150
60 ~ 180 seconds
60 ~ 150 seconds
25
480 seconds max.
Time (Seconds)
REFLOW TIMES: 3 MAX.
Packaging Specifications
330
DIA.
(12.99)
2.0 ± 0.5
(.079 ± .020)
13.5 ± 0.5
(.531 ± .020)
DIA.
100.0 ± 2.0
(3.937 ± .079)
13.5 ± 0.5
DIA.
(.531 ± .020)
24.0 ± 0.5
(.945 ± .020)
24
(.945)
2.0
(.079)
1.5 ± 0.1
DIA.
(.059 ± .004)
0.35 ± 0.05
(.014 ± .002)
1.75
(.069)
4.0
(.157)
13.0 ± 0.1
(.512 ± .004)
11.5 ± 0.1
(.453 ± .004)
24.0 ± 0.3
(.945 ± .012)
USER DIRECTION OF FEED
Date Code
Date Code
Date Code
Date Code
Date Code
QTY: 500 PCS. PER REEL
Marking
Marking
Marking
Marking
Marking
16.0 ± 0.1
(.630 ± .004)
3 °
5.5 ± 0.1
(.217 ± .004)
14.2 ± 0.1
(.559 ± .004)
7.0 ± 0.1
(.276 ± .004)
13.0 ± 0.1
(.512 ± .004)
MM
DIMENSIONS:
(INCHES)
REV. 09/17
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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