Features
nꢀ Shieldedꢀconstruction
nꢀ Metalꢀalloyꢀpowderꢀcore
nꢀ Highꢀsaturationꢀcurrent
nꢀ Lowꢀbuzzꢀnoise
nꢀ Inductanceꢀrange:ꢀ0.22ꢀtoꢀ33ꢀµH
nꢀ RoHSꢀcompliant*ꢀandꢀhalogenꢀfree**
7
9
4
1
H
R
3
3
SRP1265C Series - Shielded Power Inductors
Electrical Specifications @ 25 °C
General Specifications
Operating Temperature
................................-40 °C to +125 °C
(Temperature rise included)
Storage Temperature (Component)
................................. -40 °C to +125 °C
Rated Current
............ Inductance drops 30 % at Isat
Temperature Rise... 40 °C at rated Irms1
Moisture Sensitivity Level.....................1
ESD Classification (HBM).................N/A
Inductance
@ 100 kHz
Irms
(A)
Typ.
Isat
(A)
Typ.
SRF
(MHz) (mW)
Typ.
DCR
DCR
(mW)
Max.
Bourns
Part Number
Q (Min.)
@100 kHz
Terminal
Type
/ 1 V
Typ.
L
(µH)
Tol.
(%)
SRP1265C-R22M 0.22
SRP1265C-R33M 0.33
SRP1265C-R47M 0.47
SRP1265C-R68M 0.68
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
10
10
20
20
20
20
20
20
20
20
20
20
20
20
20
98
72
62
44
37
28
23
18
15
14
13
12
10
7
0.47
0.65
0.9
1.25
1.7
2.3
4.2
5.7
8.3
11.5
13
15.6
23.2
32.5
46
0.6
0.8
1.2
1.5
2.3
2.8
4.8
6.8
9.5
13.2
15.5
18
55
50
45
41
35
31
25
22
20
15
13
12
11
10
8
105
70
66
62
54
46
40
37
31
25
non-
leadframe
SRP1265C-1R0M
SRP1265C-1R5M
SRP1265C-2R2M
SRP1265C-3R3M
SRP1265C-4R7M
SRP1265C-6R8M
SRP1265C-8R2M
SRP1265C-100M
SRP1265C-150M
SRP1265C-220M
SRP1265C-330M
1.0
1.5
2.2
3.3
4.7
6.8
8.2
10
1
Circuit design, component, PCB trace
size and thickness, airflow and other
cooling provisions all can affect the part
temperature. Part temperature should be
verified in the end application.
22 leadframe
20
13.5
12
9
Materials
15
22
33
28
37
56
Core..........................Metal alloy powder
Wire ............................Enameled copper
Terminal Finish ...................................Sn
Packaging....... 500 pcs. per 13-inch reel
5
Product Dimensions
Non-Lead Frame Terminal
How to Order
1ꢁ.5 ꢀ.5
(.5ꢁ1 .ꢀ2ꢀꢂ
SRP1265C - 100M
12.6 ꢀ.ꢁ
(.496 .ꢀ12ꢂ
6.2 ꢀ.ꢁ
(.244 .ꢀ12ꢂ
2.6 ꢀ.4
(.1ꢀ2 .ꢀ16ꢂ
Model
Value Code (see table)
Recommended Layout
R47
ꢀꢀWWH
14.5
(.571)
5.0
(.197)
12.6 ꢀ.2
(.496 .ꢀꢀ0ꢂ
E
ꢀ
MM
(INCHES)
DIMENSIONS:
ꢀ
8.0
(.315)
Lead Frame Terminal
1ꢁ.5 ꢀ.5
(.5ꢁ1 .ꢀ2ꢀꢂ
Please consult Bourns® Model SRP-A
Series Visual Inspection Guide for detailed
construction, processing and testing
information.
12.6 ꢀ.ꢁ
(.496 .ꢀ12ꢂ
6.2 ꢀ.ꢁ
(.244 .ꢀ12ꢂ
2.6 ꢀ.4
(.1ꢀ2 .ꢀ16ꢂ
100
ꢀꢀWWH
*ꢀ RoHSꢀDirectiveꢀ2015/863,ꢀMarꢀ31,ꢀ2015ꢀandꢀAnnex.
**ꢀBournsꢀconsidersꢀaꢀproductꢀtoꢀbeꢀ“halogenꢀfree”ꢀifꢀ
(a)ꢀtheꢀBromineꢀ(Br)ꢀcontentꢀisꢀ900ꢀppmꢀorꢀless;ꢀ(b)ꢀ
theꢀChlorineꢀ(Cl)ꢀcontentꢀisꢀ900ꢀppmꢀorꢀless;ꢀandꢀ(c)ꢀ
theꢀtotalꢀBromineꢀ(Br)ꢀandꢀChlorineꢀ(Cl)ꢀcontentꢀisꢀ
1500ꢀppmꢀorꢀless.
Specificationsꢀareꢀsubjectꢀtoꢀchangeꢀwithoutꢀnotice.
Usersꢀshouldꢀverifyꢀactualꢀdeviceꢀperformanceꢀinꢀtheirꢀ
specificꢀapplications.ꢀTheꢀproductsꢀdescribedꢀhereinꢀandꢀ
thisꢀdocumentꢀareꢀsubjectꢀtoꢀspecificꢀlegalꢀdisclaimersꢀasꢀ
setꢀforthꢀonꢀtheꢀlastꢀpageꢀofꢀthisꢀdocument,ꢀandꢀatꢀꢀ
www.bourns.com/docs/legal/disclaimer.pdf.
12.6 ꢀ.2
(.496 .ꢀꢀ0ꢂ
E
4.ꢀ ꢀ.ꢁ
(.157 .ꢀ12ꢂ
E:
E:
SRP1265C-1RꢀM through -1R5M:
SRP1265C-R22M through -R60M
4.7 ꢀ.ꢁ
(.105 .ꢀ12ꢂ
and SRP1265C-2R2M through -ꢁꢁꢀM:
WARNING Cancer and Reproductive Harm - www.P65Warnings.ca.gov