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
Inductance range: 0.68 to 330 µH
n
Heating current up to 9.5A
n
AEC-Q200 qualified
n
RoHS compliant* and halogen free**
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)
- Infotainment
- Lighting
n
DC/DC converters
n
Power supplies
10
0
Electrical Specifications @ 25 °C
Bourns
Part Number
Inductance @
100 kHz/0.1V
L (µH) Tol. (%)
SRF
(MHz)
Typ.
SRR1050A Series - Shielded Power Inductors
General Specifications
DCR (W)
I rms
(A)
I sat
(A)
***K-
Factor
SRR1050A-R68Y
SRR1050A-1R2Y
SRR1050A-2R2Y
SRR1050A-3R3Y
SRR1050A-4R2Y
SRR1050A-6R8Y
SRR1050A-8R2Y
SRR1050A-100Y
SRR1050A-120Y
SRR1050A-150Y
SRR1050A-180Y
SRR1050A-220Y
SRR1050A-270Y
SRR1050A-330Y
SRR1050A-390Y
SRR1050A-470Y
SRR1050A-560Y
SRR1050A-680Y
SRR1050A-820Y
SRR1050A-101Y
SRR1050A-121Y
SRR1050A-151Y
SRR1050A-181Y
SRR1050A-221Y
SRR1050A-271Y
SRR1050A-331Y
0.68
1.2
2.2
3.3
4.2
6.8
8.2
10
12
15
18
22
27
33
39
47
56
68
82
100
120
150
180
220
270
330
± 30
± 30
± 30
± 30
± 30
± 30
± 30
± 30
± 30
± 30
± 30
± 30
± 30
± 30
± 30
± 30
± 30
± 30
± 30
± 30
± 30
± 30
± 30
± 30
± 30
± 30
110
85
53
40
29
27
21
16.5
15
14
11
10.5
10
9
6.8
5.9
5.5
5
4.5
4.2
3.8
3.6
3.4
3
2.4
2
0.0045
0.0058
0.0071
0.0086
0.0104
0.0151
0.0181
0.023
0.026
0.035
0.038
0.046
0.057
0.069
0.079
0.094
0.124
0.138
0.150
0.179
0.213
0.253
0.307
0.373
0.491
0.613
Typ.
0.0055
0.007
0.009
0.011
0.014
0.019
0.022
0.031
0.035
0.047
0.051
0.062
0.077
0.093
0.106
0.127
0.160
0.208
0.230
0.255
0.305
0.370
0.420
0.500
0.675
0.815
Max.
9.50
8.30
7.20
6.50
6.10
5.40
5.00
4.50
3.80
3.40
3.10
2.90
2.60
2.50
2.25
2.00
1.90
1.60
1.45
1.35
1.18
1.10
1.00
0.94
0.80
0.73
13.5
10.5
8.20
7.80
6.40
5.40
4.85
4.45
4.00
3.60
3.20
2.95
2.70
2.40
2.30
2.00
1.90
1.65
1.50
1.35
1.28
1.12
1.04
0.94
0.84
0.75
221
158
123
100
85
65
58
58
53
44
41
38
33
30
28
26
24
22
20
18
16
15
13
12
11
10
Operating Temperature
................................. -40 °C to +125 °C
(Temperature rise included)
Storage Temperature .. -40 °C to +125 °C
Temperature Rise
.......................40 °C typ. at rated Irms
Rated Current
............ Inductance drops 35 % 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
Packaging ....... 700 pcs. per 13-inch reel
Product Dimensions
10.0 ± 0.3
(.394 ± .012)
330
10.20 ± 0.3
(.402 ± .012)
MAX.
***K-Factor: To calculate core flux density, Bp-p (gauss) = K x L(µH) x
Δ
I (peak-to-peak ripple current,
A), determine core loss from
Core Loss vs. Flux Density
plot.
Core Loss vs. Flux Density
1000
3.00 ± 0.3
(.118 ± .012)
4.80 ± 0.3
(.189 ± .012)
100
7.80 ± 0.4
(.307 ± .016)
Core Loss (mW)
10
500 KHz
300 KHz
200 KHz
100 KHz
50 KHz
10 KHz
1
1.20 ± 0.15
(.047 ± .006)
0.10
13.00
REF.
(.512)
0.01
DIMENSIONS:
MM
(INCHES)
0.001
100
*RoHS Directive 2002/95/EC Jan. 27, 2003 including
(.063)
Flux Density Bp-p (gauss)
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.
7.30
Users should verify actual device performance in their specific applications.
(.287)
1000
10000
1.60
4.80 ± 0.3
(.189 ± .012)
3.00 ± 0.3
(.118 ± .012)
7.80 ± 0.4
(.307 ± .016)
1.20 ± 0.15
(.047 ± .006)
SRF0504 Series - Line Filter
SRR1050A Series - Shielded Power Inductors
Recommended Layout
1.60
(.063)
13.00
REF.
(.512)
Inductance vs. IDC
2.5
2.0
SRR1050A-2R2Y
12
SRR1050A-100Y
9
L (µH)
L (µH)
L @ 25 °C
L @ 125 °C
8
10
12
14
7.30
(.287)
1.5
1.0
0.5
6
3
L @ 25 °C
0
1
2
3
4
L @ 125 °C
5
6
3.20
(.126)
1.60
(.063)
0
DIMENSIONS:
MM
(INCHES)
0
2
4
6
0
IDC (A)
32
IDC (A)
250
200
150
100
50
SRR1050A-270Y
SRR1050A-221Y
Electrical Schematic
24
L (µH)
16
How to Order
8
SRR1050A - 101Y
Model
Value Code (see table)
0
L @ 25 °C
0
0.9
1.8
2.7
L @ 125 °C
3.6
4.5
L (µH)
0
0
L @ 25 °C
0.3
0.6
0.9
L @ 125 °C
1.2
1.5
IDC (A)
IDC (A)
Temperature vs. IDC
80
SRR1050A-2R2Y
T (°C)
100
80
SRR1050A-100Y
T (°C)
60
T (°C)
T (°C)
0
2
4
6
8
10
12
14
60
40
40
20
20
0
0
IDC (A)
100
80
0
1
2
3
4
5
6
7
IDC (A)
60
50
40
SRR1050A-270Y
T (°C)
SRR1050A-221Y
T (°C)
T (°C)
60
T (°C)
0
0.9
1.8
2.7
3.6
4.5
30
20
10
0
0
0.3
0.6
0.9
1.2
1.5
40
20
0
IDC (A)
IDC (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.
SRF0504 Series - Line Filter
SRR1050A Series - Shielded Power Inductors
Soldering Profile
Temperature
Rising Area
+4.0 °C / sec. max.
Preheat Area
150~200 °C / 60~120 sec.
Reflow Area
+3.0 °C / sec. max.
Forced Cooling Area
-(1.0~5.0) °C / sec. max.
250
217 °C
Temperature (°C)
200
150
100
50
60 ~ 120 sec.
60 ~ 150 sec.
60 sec. max.
Peak Temperature:
245 °C max.
Time Above 245 °C:
30 sec. max.
Time Above 217 °C:
60 ~ 150 sec. max.
0
50
100
150
200
250
Time (Seconds)
Packaging Specifications
330
DIA.
(12.99)
2.0 ± 0.5
(.079 ± .020)
30.4
(1.20)
13.0 ± 0.5
(.512 ± .020)
DIA.
60.0 -0
(2.362 - 0)
13.0 ± 0.5
DIA.
(.512 ± .020)
26 +0
(1.02 +0)
4
(.157)
16
(.63)
21.0 ± 0.8
(.827 ± .031)
24
(.945)
START
END
330
330
330
330
330
L eader
no component
200 m/m min.
C omponents
T railer
no component
400 m/m min.
DIMENSIONS:
MM
(INCHES)
USER DIRECTION OF FEED
QTY: 700 PCS. PER REEL
REV. 02/17
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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