# Power Inductor (SMD), 47 µH, 2.7 A, Unshielded, 4.2 A, SDR1307A Series ![Product image](https://novapart.co/image/farnell:2374037RL/) **URL**: https://novapart.co/products/SDR1307A-470K/power-inductor-smd-47-h-27-a-unshielded-42 **SKU**: SDR1307A-470K **Manufacturer**: BOURNS **Category**: Passive Components || Inductors || Power Inductors || SMD Power Inductors **Price**: €0.4980 **Stock**: 10+ **Lead Time**: 106 days (indicative) ## Description Inductance:47µH; RMS Current (Irms):2.7A; Inductor Construction:Unshielded; Saturation Current (Isat):4.2A; Product Range:SDR1307A Series; Power Inductor Case:13mm x 7mm; DC Resistance M ## Specifications | Parameter | Value | |---|---| | Svhc | No SVHC (04-Feb-2026) | | Inductance | 47µH | | Product Range | SDR1307A Series | | Product Width | 7mm | | Product Height | 0mm | | Product Length | 13mm | | Dc Resistance Max | 0.082ohm | | Rms Current (Irms) | 2.7A | | Inductance Tolerance | ± 10% | | Inductor Construction | Unshielded | | Saturation Current (Isat) | 4.2A | ## Datasheet 📄 [Download PDF](https://novapart.co/datasheet/farnell:2374037RL/) **Features Applications** ■ High saturation current - up to 20 A ■ DC/DC converters ■ Power supplies ■ Inductance range: 1.5 to 1000 µH - Heating current up to 9.5 A - AEC-Q200 qualified - RoHS compliant* and halogen free** ## **SDR1307A Series - SMD Power Inductors** ~~**Electrical Specifications @ 25 °C**~~ ## ~~**General Specifications**~~ Operating Temperature ................................-40 °C to +125 °C (Temperature rise included) Storage Temperature ................................-40 °C to +125 °C Temperature Rise ......................40 °C typ. at rated I rms Inductance Drop .......... 10 % typ. at I sat |**Bourns**
**Part Number**
**Inductance**
**@ 100 KHz / 0.1 V**
**Q**
**(Ref.)**
**Test**
**Freq.**
**(MHz)**
**SRF**
**(MHz)**
**Typ.**
**DCR**
**(**Ω**)**
**Max.**
**I rms**
**(A)**
**I sat**
**(A)**
**L(μH)**
**Tol.(%)**
SDR1307A-1R5M
1.5
±20
20
7.96
65
0.005
9.5
20
SDR1307A-2R2M
2.2
±20
22
7.96
50
0.006
9.0
18
SDR1307A-2R7M
2.7
±20
24
7.96
40
0.008
8.2
16
SDR1307A-3R3M
3.3
±20
26
7.96
38
0.0087
7.5
15
SDR1307A-4R7M
4.7
±20
25
7.96
36
0.01
7.0
13
~~pes~~
~~es~~
~~ns~~
~~GD I~~||||Operating Temperature
................................-40 °C to +125 °C
(Temperature rise included)
Storage Temperature
................................-40 °C to +125 °C
Temperature Rise
......................40 °C typ. at rated I rms
Inductance Drop .......... 10 % typ. at I sat|Operating Temperature
................................-40 °C to +125 °C
(Temperature rise included)
Storage Temperature
................................-40 °C to +125 °C
Temperature Rise
......................40 °C typ. at rated I rms
Inductance Drop .......... 10 % typ. at I sat| |---|---|---|---|---|---| |SDR1307A-5R6M
5.6
±20
24
7.96
28
0.015
6.5
11||||~~**Materials**~~|| |SDR1307A-6R8M
6.8
±20
24
7.96
26
0.017
6.0
10.5|||||| |SDR1307A-8R2M
8.2
±20
24
7.96
24
0.019
5.8
9.8||||Core ..............................................Ferrite|Core ..............................................Ferrite| |SDR1307A-100M
10
±20
22
2.52
22
0.021
5.6
9.2||||Wire ............................Enameled copper|Wire ............................Enameled copper| |SDR1307A-120M
12
±20
25
2.52
20
0.03
4.8
8
SDR1307A-150M
15
±20
28
2.52
17
0.034
4.5
7.5
SDR1307A-180M
18
±20
28
2.52
16
0.036
4.2
7
SDR1307A-220M
22
±20
40
2.52
15
0.047
3.6
6.5
SDR1307A-270M
27
±20
35
2.52
11
0.06
3.3
5.5
SDR1307A-330K
33
±10
35
2.52
10
0.065
3.1
5
SDR1307A-390K
39
±10
28
2.52
9
0.075
2.9
4.6
SDR1307A-470K
47
±10
24
2.52
7.5
0.082
2.7
4.2
SDR1307A-560K
56
±10
22
2.52
7.2
0.10
2.5
3.8
SDR1307A-680K
68
±10
24
2.52
7
0.12
2.3
3.5
SDR1307A-820K
82
±10
18
2.52
6
0.14
2.1
3.2
SDR1307A-101K
100
±10
25
0.796
5.8
0.18
1.9
3
SDR1307A-121K
120
±10
20
0.796
5.5
0.21
1.8
2.8
SDR1307A-151K
150
±10
20
0.796
4.5
0.25
1.6
2.6
SDR1307A-181K
180
±10
18
0.796
4
0.28
1.5
2.3
SDR1307A-221K
220
±10
15
0.796
3.8
0.36
1.3
2.1
SDR1307A-271K
270
±10
15
0.796
3.5
0.41
1.2
1.8
SDR1307A-331K
330
±10
15
0.796
3.2
0.52
1.1
1.6
SDR1307A-391K
390
±10
12
0.796
2.5
0.60
1.0
1.5
SDR1307A-471K
470
±10
12
0.796
2.2
0.72
0.9
1.4
SDR1307A-561K
560
±10
10
0.796
2
0.88
0.85
1.3
SDR1307A-681K
680
±10
10
0.796
1.6
1.0
0.8
1.2
SDR1307A-821K
820
±10
10
0.796
1.5
1.3
0.75
1.1
SDR1307A-102K
1000
±10
10
0.252
1.4
1.6
0.65
1
~~———~~
~~OO~~
~~tt~~
~~== SSSS=——~~
~~===~~
~~EEEEEEEEE~~
~~eS ~~|||||Terminal Finish .........................Ag/Ni/Sn
Packaging .................... 400 pcs. per reel
~~**Product Dimensions**~~
13.0±0.7
(.512 ± .028)
13.0±0.7
(.512 ± .028)
7.0±0.3
(.276 ± .012)
5.0
(.197) REF.
14.0
(.551)
~~**Recommended Layout**~~
~~ee~~a~~e~~
|
ee~~e~~
~~Dy~~|| |~~**How to Order**~~
**SDR1307A - 100M**
~~**Electrical Schematic**~~||||14.0
(.551)|| |Model|||||| |Value Code (see table)||||4.5
(.177)|| |||||DIMENSIONS:
MM
(INCHES)|| Core ..............................................Ferrite Wire ............................Enameled copper Terminal Finish .........................Ag/Ni/Sn Packaging .................... 400 pcs. per reel Model Value Code (see table) - RoHS Directive 2015/863, Mar 31, 2015 and Annex. **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. 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. ~~a~~ **WARNING Cancer and Reproductive Harm** www.P65Warnings.ca.gov ## **SDR1307A Series - SMD Power Inductors** ## ~~**Soldering Profile**~~ **==> picture [318 x 169] intentionally omitted <==** **----- Start of picture text -----**
Temperature Preheat Reflow Forced
Rising Area Area Area Cooling Area
+4.0 °C/Sec. Max. 150~200 °C / 60~120 Sec. +3.0 °C/Sec. Max. -(1.0~5.0) °C/Sec. Max.
Peak Temperature: 250 °C Peak Temperature
250
250 °C max
217 °C
200 60~150 Sec.
Max. Peak
60 Sec.
Max. Temperature -5 °C:
150
30 sec. max.
60~120 Sec.
100
Max. Time Above
217 °C :
50
60~150 sec. max.
0 50 100 150 200 250
Time (Seconds)
Temperature (°C)
**----- End of picture text -----**
## ~~**L vs. IDC**~~ **==> picture [373 x 286] intentionally omitted <==** **----- Start of picture text -----**
SDR1307A-2R2M SDR1307A-221K
3.0 300.0
L @ 25 ℃ L @ 125 ℃ L @ 25 ℃ L @ 125 ℃
2.5 250.0
2.0 200.0
1.5 150.0
1.0 100.0
0.5 50.0
0.0 0.0
0.0 5.0 10.0 15.0 20.0 0.0 0.5 1.0 1.5 2.0 2.5
IDC (A) IDC (A)
SDR1307A-220M SDR1307A-102K
25.0 1,200.0
L @ 25 ℃ L @ 125 ℃ L @ 25 ℃ L @ 125 ℃
20.0 1,000.0
800.0
15.0
600.0
10.0
400.0
5.0
200.0
0.0 0.0
0.0 2.0 4.0 6.0 8.0 0.0 0.3 0.6 0.9 1.2
IDC (A) IDC (A)
FT
L (uH) L (uH)
L (uH)
**----- End of picture text -----**
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. ## **SDR1307A Series - SMD Power Inductors** **==> picture [504 x 590] intentionally omitted <==** **----- Start of picture text -----**
Temperature vs. IDC
SDR1307A-2R2M SDR1307A-221K
100.0 80.0
T @ 25 ℃ T @ 25 ℃
80.0
T= pg 60.0 a
60.0
ye 40.0 HY.
P 40.0 Pry) .
20.0
20.0
4a tt
0.0 et 0.0 Ee
0.0 5.0 10.0 15.0 20.0 0.0 0.5 1.0 1.5 2.0 2.5
IDC (A) IDC (A)
SDR1307A-220M SDR1307A-102K
100.0 80.0
T @ 25 ℃
T @ 25 ℃
80.0
TELL 60.0 =
60.0
40.0
Ae 40.0
20.0
20.0 sae awe
0.0 >a 0.0 _
0.0 2.0 4.0 6.0 8.0 0.0 0.3 0.6 0.9 1.2
IDC(A) IDC(A)
Packaging Specifications
2.0 ± 0.5
330 (.079 ± .020)
(12.99)DIA. (1.20)30.4 THICKNESS
0.10
(.004)
13.0 ± 0.5 MAX.
7 (.827 21.0 ± ± .031)0.8 t T (.512 DIA. A ± .020) \\ 7 EMBOSSED
— \ I L . foe CAVITY
50.0 -0
(1.969 - .000)
13.0 ± 0.5
(.512 ± .020) [DIA.]
_ EMBOSSED - \,
CARRIER
7 24.0 I (1.02 +.000)26 +0 (.945)24.0
(.945)
4
END (.157) 7 START _ USER DIRECTION OF FEED
QTY: 400 PCS. PER REEL
le Pp fodoc e | 20 1) ———_— DIMENSIONS: _——- (INCHES)MM —__
(.787)
NO COMPONENT NO COMPONENT
200 400
| | COMPONENTS Lf
(7.874) (15.748)
REV. 11/19
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.
S
T (°C) T (°C)
T (°C) T (°C)
101 101 101 101
**----- End of picture text -----**
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