Features
■ Shielded construction
■ Carbonyl powder core
■ High saturation current
■ Inductance range: 0.1 to 22 µH
■ AEC-Q200 compliant
2R2
■ RoHS compliant* and halogen free**
SRP4020TA Series - Shielded Power Inductors
Electrical Specifications @ 25 °C
General Specifications
Test Voltage....................................1.0 V
Test Frequency......................... 100 KHz
Operating Temperature
................................-55 °C to +150 °C
(Temperature rise included)
Storage Temperature
................................-55 °C to +150 °C
Rated Current
............ Inductance drops 20 % at Isat
Temperature Rise.....40 °C at rated Irms
Moisture Sensitivity Level.....................1
Inductance
@ 100 KHz
/ 1 V
Q (Min.)
SRF
DCR
DCR
Irms
(A)
Bourns
Part Number
L
(μH)
Tol. @100 KHz (MHz) (mΩ) (mΩ)
(%)
Isat Terminal
/ 1 V
Typ.
Typ.
Max.
(A)
Type
SRP4020TA-R10Y
SRP4020TA-R22Y
0.10
0.22
±30
±30
±20
±20
±20
±20
±20
±20
±20
±20
±20
±20
±20
±20
±20
±20
±20
±20
5
300
270
130
120
105
100
65
64
62
45
40
27
25
24
21
19
17
12
3.2
6.6
7.8
11.2
13.5
16
22
25
34.8
51
69
4
12
11
10
35
24
18
12
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
7.3
8.6
14
16
19
27
30
42
61
SRP4020TA-R33M 0.33
SRP4020TA-R47M 0.47
SRP4020TA-R56M 0.56
SRP4020TA-R68M 0.68
8.0
7.3
7.0
5.0
4.8
4.5
4.0
3.5
2.6
2.2
2.1
2.0
1.8
1.5
1.2
10
SRP4020TA-1R0M
SRP4020TA-1R2M
SRP4020TA-1R5M
SRP4020TA-2R2M
SRP4020TA-3R3M
SRP4020TA-4R7M
SRP4020TA-5R6M
SRP4020TA-6R8M
SRP4020TA-8R2M
SRP4020TA-100M
SRP4020TA-150M
SRP4020TA-220M
1.0
1.2
1.5
2.2
3.3
4.7
5.6
6.8
8.2
8.5
7.8
7.0
6.0
4.0
3.5
3.0
2.8
2.5
2.3
1.9
1.4
.................N/A
ESD Classification (HBM)
1
Lead
Frame
Circuit design, component, PCB trace
size and thickness, airflow and other
cooling provisions all affect the part
temperature. Part temperature should be
verified in the end application.
76
95
105
125
172
180
243
374
500
112
150
158
215
325
470
Materials
10.0
15.0
22.0
Core.............................Carbonyl powder
Wire ............................Enameled copper
Terminal Finish ...................................Sn
Packaging..... 3000 pcs. per 13-inch reel
How to Order
Recommended Layout
5.2
(.205)
SRP4020TA - 100M
Product Dimensions
Lead Frame Terminal
Model
Value Code (see table)
2.4
(.094)
4.45 0.25
(.175 .010)
2.2
(.087)
4.06 0.25
2R2
(.160 .010)
Soldering Profile
NATURAL
COOLING
PRE-HEATING
SOLDERING
1.8 0.2
0.76 0.3
(.071 + .008)
(.030 .012)
T
(260 °C / 10 seconds max.)
P
t
(245 °C / 20~40 seconds)
p
217
200
150
2.0 0.2
(.079 .008)
60 ~ 150 seconds
60 ~ 180 seconds
480 seconds max.
MM
DIMENSIONS:
(INCHES)
25
Time (Seconds)
REFLOW TIMES: 3 MAX.
Electrical Schematic
WARNING Cancer and Reproductive Harm www.P65Warnings.ca.gov
*
RoHS Directive 2015/863, Mar 31, 2015 and Annex.
** 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. Users should verify actual device performance in their specific
applications. The products described herein and this document are subject to specific legal disclaimers as set forth on the
last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf.