Features
Applications
nꢀ Shieldedꢀconstruction
nꢀ Carbonylꢀpowderꢀcore
nꢀ Highꢀsaturationꢀcurrent
nꢀ Inductanceꢀrange:ꢀ0.1ꢀtoꢀ22ꢀµH
nꢀ AEC-Q200ꢀqualified
nꢀ Automotiveꢀsystems:ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
-ꢀꢀDriverꢀassistantꢀ
-ꢀꢀInformationꢀ
-ꢀꢀEntertainmentꢀ
-ꢀꢀLighting
nꢀ DC/DCꢀconverters
nꢀ Powerꢀsupplies
2R2
nꢀ RoHSꢀcompliant*ꢀandꢀhalogenꢀfree**
ꢀ
ꢀꢀSRP4020TAꢀSeriesꢀ-ꢀShieldedꢀPowerꢀInductors
Electrical Specifications @ 25 °C
General Specifications
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
ESD Classification (HBM).................N/A
Inductance
@ 100 KHz
/ 1 V
Q (Min.)
SRF
DCR
DCR
Irms
(A)
Bourns
Part Number
L
(µH)
Tol. @100 KHz (MHz) (mW) (mW)
(%)
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
Lead
Frame
1
Circuit design, component, PCB trace
76
size and thickness, airflow and other
cooling provisions all affect the part
temperature. Part temperature should be
verified in the end application.
95
105
125
172
180
243
374
500
112
150
158
215
325
470
10.0
15.0
22.0
Materials
Core.............................Carbonyl powder
Wire ............................Enameled copper
Terminal Finish ...................................Sn
Packaging..... 3000 pcs. per 13-inch reel
Recommended Layout
How to Order
5.2
(.205)
SRP4020TA - 100M
Product Dimensions
Lead Frame Terminal
Model
Value Code (see table)
2.4
(.094)
4.45ꢀ ꢀ0.25
(.175ꢀ ꢀ.010)
2.2
(.087)
4.06ꢀ ꢀ0.25
2R2
(.042ꢀ ꢀ.010)
Soldering Profile
NATURAL
COOLING
PRE-HEATING
SOLDERING
1.8ꢀ ꢀ0.2
0.76ꢀ ꢀ0.3
T
(260 °C / 10 seconds max.)
(.071ꢀ+ꢀ.008)
(.030ꢀ ꢀ.012)
P
t
(245 °C / 20~40 seconds)
p
217
200
150
2.0ꢀ ꢀ0.2
(.079ꢀ ꢀ.008)
60 ~ 150 seconds
60 ~ 180 seconds
480 seconds max.
ꢀ
MM
(INCHES)
DIMENSIONS:
ꢀ
25
Time (Seconds)
REFLOW TIMES: 3 MAX.
Electrical Schematic
*ꢀꢀRoHSꢀDirectiveꢀ2002/95/ECꢀJan.ꢀ27,ꢀ2003ꢀincludingꢀannexꢀandꢀRoHSꢀRecastꢀ2011/65/EUꢀJuneꢀ8,ꢀ2011.ꢀ
**Bournsꢀconsidersꢀaꢀproductꢀtoꢀbeꢀ“halogenꢀfree”ꢀifꢀ(a)ꢀtheꢀBromineꢀ(Br)ꢀcontentꢀisꢀ900ꢀppmꢀorꢀless;ꢀ(b)ꢀtheꢀChlorineꢀꢀ
ꢀꢀꢀꢀ(Cl)ꢀcontentꢀisꢀ900ꢀppmꢀorꢀless;ꢀandꢀ(c)ꢀtheꢀtotalꢀBromineꢀ(Br)ꢀandꢀChlorineꢀ(Cl)ꢀcontentꢀisꢀ1500ꢀppmꢀorꢀless.
Specificationsꢀareꢀsubjectꢀtoꢀchangeꢀwithoutꢀnotice.
Theꢀdeviceꢀcharacteristicsꢀandꢀparametersꢀinꢀthisꢀdataꢀsheetꢀcanꢀandꢀdoꢀvaryꢀinꢀdifferentꢀapplicationsꢀandꢀactualꢀdeviceꢀperformanceꢀmayꢀvaryꢀoverꢀtime.
Usersꢀshouldꢀverifyꢀactualꢀdeviceꢀperformanceꢀinꢀtheirꢀspecificꢀapplications.