Features
■ Shielded construction
■ Inductance range: 0.68 to 330 µH
■ Heating current up to 9.5A
■ AEC-Q200 qualified
100
■ RoHS compliant* and halogen free**
SRR1050A Series - Shielded Power Inductors
Operating Temperature
................................. -40 °C to +125 °C
(Temperature rise included)
Inductance @
100 kHz/0.1V
L (μH) Tol. (%)
SRF
(MHz)
Typ.
DCR (Ω)
Typ. Max.
I rms
(A)
Bourns
Part Number
I sat
(A)
***K-
Factor
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)........24.7/109 hours
Mean Time Between Failures (MTBF)
..................................40.4 x 106 hours
SRR1050A-R68Y 0.68
± 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
0.0045 0.0055 9.50
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
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
1.2
2.2
3.3
4.2
6.8
8.2
10
12
15
18
22
27
33
39
47
56
68
82
0.0058 0.007
0.0071 0.009
0.0086 0.011
0.0104 0.014
0.0151 0.019
0.0181 0.022
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
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
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
Materials
Core..............................................Ferrite
Wire ............................Enameled copper
Terminal Finish ...................................Sn
Packaging....... 700 pcs. per 13-inch reel
Product Dimensions
10.0 0.3
(.394 .012)
4.5
4.2
3.8
3.6
3.4
3
100
120
150
180
220
270
330
10.20 0.3
(.402 .012)
MAX.
330
2.4
2
10
Δ I (peak-to-peak ripple current,
A), determine core loss from Core Loss vs. Flux Density plot.
Core Loss vs. Flux Density
4.80 0.3
(.189 .012)
1000
3.00 0.3
(.118 .012)
100
10
7.80 0.4
(.307 .016)
100 KHz
50 KHz
10 KHz
500 KHz
300 KHz
200 KHz
1
1.20 0.15
(.047 .006)
13.00
REF.
0.10
0.01
0.001
(.512)
MM
DIMENSIONS:
(INCHES)
*
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.
100
1000
10000
Flux Density Bp-p (gauss)
WARNING Cancer and Reproductive Harm - www.P65Warnings.ca.gov
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