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Bourns SRP Series Shielded Power Inductors

The Bourns SRP Series High Current Power Inductors are a vast range of shielded power inductors with ranges in height from 2mm to 7mm, inductances from 0.1 to 10µH, and current ratings from 10 to 45 A. The entire SRP Series is RoHS compliant. The Bourns SRP Series High Current Power Inductors are ideal for input / output of DC / DC converters and power supplies for portable communications equipment, camcorders, HDTV, LCD TV, car audio systems, and video game consoles.
Bourns SRP12-LAB1 Design Kit contains 2 each of 18 inductor values in case sizes 1235, 1250, and 1270.
New Design Kits!
Bourns SRP-LAB1 Design Kit contains 3 each of 32 inductor values in case sizes 4020 and 7030.
Bourns SRP-LAB2 Design Kit contains 3 each of 32 inductor values in case sizes 1040, 1235, 1250, and 1270.


General Specification Materials
  • Test Voltage: 0.25 V
  • Test Frequency: 100 KHz
  • Reflow Soldering: 230°C; 50 sec. max.
  • Resistance to Soldering Heat: +260°C for 10 sec.
  • Core: Iron
  • Wire: Enameled copper
  • Terminal: Cu/Sn
  • Rated Current: Ind. drops 20 % at Isat
  • Temperature Rise: 40 °C at rated Irms

SRP4020
Shielded Power Inductors
Bourns SRP4020 Shielded Power Inductors
  • Unit height of 2mm
  • Inductance range: 0.22 to 2.2µH
  • Rated current up to 10 A
  • Operating Temperature: -55 °C to +125°C (Temperature rise included)
  • Storage Temperature: -55 °C to +125°C
  • Packaging SRP4020: 2000 pcs. per 13-inch reel
  • Datasheet
Part Number
Inductance
L(µH) ±20%
I rms
(A)
I sat
(A)
DCR
(mΩ) Max.
SRP4020-R22M
0.22 10 15 9.3
SRP4020-R36M
0.36 9 11 12
SRP4020-R47M
0.47 8 9 14
SRP4020-R56M
0.56 7 8 14.7
SRP4020-R68M
0.68 6.3 7 16.2
SRP4020-R88M
0.88 5.5 6.5 18
SRP4020-1R0M
1.0 5 6 21.6
SRP4020-1R2M
1.2 5 5 22.8
SRP4020-1R5M
1.5 4.5 4.5 30.5
SRP4020-2R2M
2.2
4.5 4 33
SRP-LAB1 Design Kit
Kit contains 3 each of 32 inductor values in case sizes 4020 and 7030

DESIGN KITS DETAIL

SRP-LAB1
Design Kit

Kit contains 3 each of 32
inductors in case sizes
4020 and 7030

SRP4020-R22M
SRP4020-R36M
SRP4020-R47M
SRP4020-R56M
SRP4020-R68M
SRP4020-1R0M
SRP4020-1R5M
SRP4020-2R2M
SRP7030-R15M
SRP7030-R47M
SRP7030-1R0M
SRP7030-1R5M
SRP7030-2R2M
SRP7030-3R3M
SRP7030-4R7M
SRP7030-6R8M
SRP7030-R10FM
SRP7030-R20FM
SRP7030-R33FM
SRP7030-R47FM
SRP7030-R56FM
SRP7030-R68FM
SRP7030-R82FM
SRP7030-1R0FM
SRP7030-1R5FM
SRP7030-2R2FM
SRP7030-3R3FM
SRP7030-4R7FM
SRP7030-5R6FM
SRP7030-6R8FM
SRP7030-8R2FM
SRP7030-100FM


SRP7030F
Shielded Power Inductors

Bourns SRP7030F Shielded Power Inductors
  • Unit height as low as 3.0 mm
  • Inductance range: 0.1 to 10 µH
  • Rated current up to 32 A
  • Operating Temperature: -55 °C to +125°C (Temperature rise included)
  • Storage Temperature: -55 °C to +125°C
  • Packaging SRP7030F: 1000 pcs. per 13-inch reel
  • Datasheet
Part Number
Inductance
L(µH) ±20%
I rms
(A)
I sat
(A)
DCR
(mΩ) Max.
SRP7030-R10FM
0.10
32 60 1.7
SRP7030-R15FM
0.15
28 37 1.99
SRP7030-R20FM
0.20
23 34 2.4
SRP7030-R22FM
0.22
23 34 2.4
SRP7030-R33FM
0.33
18 25 3.4
SRP7030-R47FM
0.47
17 19 4.5
SRP7030-R56FM
0.56
15 17 5
SRP7030-R68FM
0.68
15 17 5
SRP7030-R82FM
0.82
12 14 6.6
SRP7030-1R0FM
1.0
11 13 7
SRP7030-1R1FM 1.1
11 13 7
SRP7030-1R5FM 1.5
10 12 10
SRP7030-2R2FM 2.2
7 11 20
SRP7030-3R3FM
3.3 7 10 24
SRP7030-4R7FM
4.7 5 7 35
SRP7030-5R6FM
5.6 5 6 45
SRP7030-6R8FM
6.8 4.5 5.5 50
SRP7030-8R2FM
8.2 4.5 5 54
SRP7030-100FM
10 3.5 5 60
SRPLAB-1 Design Kit
Kit contains 3 each of 32 inductor values in case sizes 4020 and 7030

SRP1040
Shielded Power Inductors

Bourns SRP1040 Shielded Power Inductors
  • Unit height of 2.0 mm
  • Flat wire
  • Inductance range: 0.22 to 2.2µH
  • Rated current up to 10 A
  • Operating Temperature: -55 °C to +125°C (Temperature rise included)
  • Storage Temperature: -55 °C to +125°C
  • Packaging SRP1040: 2000 pcs. per 13-inch reel
  • Datasheet
Part Number Inductance
L(µH)±20 %
I rms
(A)
I sat
(A)
DCR
(mΩ)max.
SRP1040-R15M 0.15 34 40 1.3
SRP1040-R20M 0.2 32 40 1
SRP1040-R36M 0.36 28 40 1.4
SRP1040-R39M 0.39 24 32 1.4
SRP1040-R47M 0.47 26 38 1.6
SRP1040-R50M 0.5 23 32 1.9
SRP1040-R56M 0.56 25 36 1.9
SRP1040-R68M 0.68 23 32 2.4
SRP1040-R75M 0.75 22 28 2.5
SRP1040-R80M 0.8 21 30 3
SRP1040-1R0M 1 20 28 3.5
SRP1040-1R2M 1.2 18 24 4.7
SRP1040-1R5M 1.5 12 20 7.5
SRP1040-1R7M 1.7 15 18 7.5
SRP1040-2R2M 2.2 12 17 8.6
SRP1040-2R5M 2.5 11.5 14 8.7
SRP1040-3R3M 3.3 10 14 10
SRP1040-3R9M 3.9 9 15 12
SRP1040-4R7M 4.7 8 13 14
SRP1040-5R6M 5.6 7 12 16
SRP1040-6R8M 6.8 6.5 11 24
SRP1040-8R2M 8.2 5 8 33
SRP1040-100M 10 5 9 35
SRP1040-150M 15 5 7 57
SRP1040-220M 22 3.5 6 62
SRP1040-330M 33 3 5 87
SRP1040-470M 47 2 3 160
SRP Design Kit
Kit contains 3 each of 32 inductor values in case sizes
1040, 1235, 1250, 1270

DESIGN KITS DETAIL

SRP-LAB2
Design Kit

Kit contains 3 each of 32
inductors in case sizes
1040, 1235, 1250, 1270

SRP1040-R36M
SRP1040-R56M
SRP1040-R68M
SRP1040-1R0M
SRP1040-2R2M
SRP1040-150M
SRP1040-330M
SRP1040-470M
SRP1235-R22M
SRP1235-R47M
SRP1235-R68M
SRP1235-1R0M
SRP1235-2R2M
SRP1235-3R3M
SRP1235-4R7M
SRP1235-6R8M
SRP1250-R36M
SRP1250-R56M
SRP1250-R82M
SRP1250-1R2M
SRP1250-1R8M
SRP1250-2R7M
SRP1250-4R7M
SRP1250-100M
SRP1270-R347M
SRP1270-R68M
SRP1270-1R0M
SRP1270-2R2M
SRP1270-3R3M
SRP1270-5R6M
SRP1270-6R8M
SRP1270-8R2M
















SRP12-LAB1
Design Kit

Kit contains 2 each of 18
inductors in case sizes
1235, 1250, 1270

SRP1235- R10M
SRP1235-R22M
SRP1235-R47M
SRP1235-1R0M
SRP1235-2R2M
SRP1235-4R7M
SRP1250-R47M
SRP1250-1R0M
SRP1250-1R5M
SRP1250-2R2M
SRP1250-4R7M
SRP1250-100M
SRP1270-R47M
SRP1270-1R0M
SRP1270-2R2M
SRP1270-4R7M
SRP1270-6R8M
SRP1270-100M



SRP1235
Shielded Power Inductors


  • Unit height of 3.7 mm
  • Inductance range: 0.1 to 6.8µH
  • Operating Temperature -55ºC to +150ºC (temperature rise included)
  • Storage Temperature -55ºC to +150ºC
  • Rated current up to 43 A
  • Packaging SRP1235: 600 pcs. per 13-inch reel
  • Datasheet
Part Number I rms
(A)
I sat
(A)
DCR
(mΩ) max.
SRF
(MHz) typ.
SRP1235-R10M 43 56 0.96 105
SRP1235-R15M 41 50 1.2 100
SRP1235-R22M 38.5 50 1.3 94
SRP1235-R33M 36.5 50 1.5 90
SRP1235-R47M 32 44 2 85
SRP1235-R60M 29 42 2.5 73
SRP1235-R67M 28 32 2.5 72
SRP1235-R68M 28 40 2.5 72
SRP1235-R82M 25 38 3 65
SRP1235-1R0M 24 36 3.5 60
SRP1235-1R2M 21 29 4.5 37
SRP1235-1R5M 19 28 5.5 37
SRP1235-1R8M 16.5 24 7 32
SRP1235-2R2M 16 20 8 27
SRP1235-3R3M 12 18 12 20
SRP1235-4R7M 10 16 15 16
SRP1235-5R6M 10 14 18 15
SRP1235-6R8M 9 13 22 14
SRP-LAB2 Design Kit
Kit contains 3 each of 32 inductor values in case sizes
1040, 1235, 1250, 1270

SRP12-LAB 1 Design Kit
Kit contains 2 each of 18 inductor values in case sizes
1235, 1250, 1270

SRP1250
Shielded Power Inductors

  • Unit height of 5.9 mm
  • Inductance range: 0.22 to 10µH
  • Operating Temperature -55ºC to +150ºC (temperature rise included)
  • Storage Temperature -55ºC to +150ºC
  • Rated current up to 45 A
  • Packaging: 500 pcs. per 13-inch reel
  • Datasheet
Part Number Inductance
L(µH)±20%
I rms
(A)
I sat
(A)
DCR
(mΩ)max.
SRP1250-R22M 0.22 45 80 1
SRP1250-R36M 0.36 41 75 1.1
SRP1250-R47M 0.47 38 65 1.3
SRP1250-R50M 0.5 36 55 1.5
SRP1250-R56M 0.56 36 55 1.5
SRP1250-R68M 0.68 34 54 1.7
SRP1250-R82M 0.82 31 53 2.3
SRP1250-1R0M 1 29 50 2.5
SRP1250-1R2M 1.2 27 49 3.3
SRP1250-1R5M 1.5 23 48 4.1
SRP1250-1R8M 1.8 21 40 4.7
SRP1250-2R2M 2.2 20 32 5.5
SRP1250-2R7M 2.7 17 32 7.3
SRP1250-3R3M 3.3 15 32 9.2
SRP1250-4R7M 4.7 12 27 15
SRP1250-6R0M 6 9.5 14 10
SRP1250-6R8M 6.8 11 21 18.5
SRP1250-7R8M 7.8 10 18 20.5
SRP1250-9R0M 9 10 18 22.5
SRP1250-100M 10 9 16 25.5
SRP Design Kit
Kit contains 3 each of 32 inductor values in case sizes
1040, 1235, 1250, 1270

SRP12-LAB 1 Design Kit
Kit contains 2 each of 18 inductor values in case sizes
1235, 1250, 1270


SRP1270
Shielded Power Inductors


  • Mounting height of 7.0 mm max.
  • Inductance range: 0.32 to 10µH
  • Operating Temperature -55ºC to +125ºC (temperature rise included)
  • Storage Temperature -55ºC to +125ºC
  • Rated current up to 41 A
  • Packaging: 400 pcs. per 13-inch reel
  • Datasheet
Part Number Inductance L(ΩH)±20 % I rms (A) I sat (A) DCR(mΩ)
max.
SRF (MHz)typ.
SRP1270-R32M 0.32 46 65 0.9 95
SRP1270-R47M 0.47 41 65 1.2 85
SRP1270-R68M 0.68 35 60 1.6 65
SRP1270-1R0M 1 32 50 2.1 45
SRP1270-1R5M 1.5 27 48 2.6 31
SRP1270-1R8M 1.8 24 41 3.2 31
SRP1270-2R2M 2.2 22 40 4.2 25
SRP1270-3R3M 3.3 18 35 6.6 20
SRP1270-4R7M 4.7 15 30 11.2 15
SRP1270-5R6M 5.6 14 26.5 10 13
SRP1270-6R8M 6.8 12 21 14 12
SRP1270-8R2M 8.2 11 17 15.5 11
SRP1270-100M 10 10 16 16.8 10
SRP Design Kit
Kit contains 3 each of 32 inductor values in case sizes
1040, 1235, 1250, 1270

SRP12-LAB 1 Design Kit
Kit contains 2 each of 18 inductor values in case sizes
1235, 1250, 1270










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