# Power Inductor (SMD), 27 µH, 3.3 A, Unshielded, 5.5 A, SDR1307 Series
**URL**: https://novapart.co/products/SDR1307-270ML/power-inductor-smd-27-h-33-a-unshielded-55-sdr1307
**SKU**: SDR1307-270ML
**Manufacturer**: BOURNS
**Category**: Passive Components || Inductors || Power Inductors || SMD Power Inductors
**Price**: €0.4350
**Stock**: 500+
**Lead Time**: 106 days (indicative)
## Description
Inductance:27µH; RMS Current (Irms):3.3A; Inductor Construction:Unshielded; Saturation Current (Isat):5.5A; Product Range:SDR1307 Series; Power Inductor Case:13mm x 13mm x 7mm; DC Resistan
## Specifications
| Parameter | Value |
|---|---|
| Svhc | No SVHC (04-Feb-2026) |
| Inductance | 27µH |
| Product Range | SDR1307 Series |
| Product Width | 13mm |
| Product Height | 7mm |
| Product Length | 13mm |
| Dc Resistance Max | 0.06ohm |
| Rms Current (Irms) | 3.3A |
| Inductance Tolerance | ± 20% |
| Inductor Construction | Unshielded |
| Inductor Case / Package | - |
| Saturation Current (Isat) | 5.5A |
## Datasheet
📄 [Download PDF](https://novapart.co/datasheet/farnell:2329017RL/)
|**Features**
nAvailable in E12 series
nSmall design of only 13 mm maximum
diameter
nRoHS compliant*
**Applications**
nInput/output of DC/DC converters
nPower supplies for:
•Portable communication equipment
•Camcorders
•LCD TVs
•CD players
***RoHS COMPLIANT**
=|
|---|
|**SDR1307 Series - SMD Power Inductors**
POURNS~~A~~|
|Test Voltage ...................................0.1 V
Reflow Soldering .. 230 °C, 50 sec. max.
Operating Temperature
...................................-40 °C to +125 °C
(Temperature rise included)
Storage Temperature ..-40 °C to +125 °C
Resistance to Soldering Heat
..............................260 °C for 10 sec.
Moisture Sensitivity Level ..................... 1
ESD Classification (HBM)..................N/A
~~**Electrical Specif**~~**i**~~**cations**~~
**Bourns**
**Part Number**
**Inductance**
**100 kHz**
**Q**
**Ref.**
**Test**
**Frequency**
**(MHz)**
**SRF**
**Min.**
**(MHz)**
**RDC**
**Max.**
**(m**W**)**
**I rms**
**Max.**
**(A)**
**I sat**
**Typ.**
**(A)**
**(µH)**
**Tol. %**
SDR1307-1R5ML
1.5
± 20
20
7.96
65.0
5.0
9.50
20.00
SDR1307-2R2ML
2.2
± 20
22
7.96
50.0
6.0
9.00
18.00
SDR1307-2R7ML
2.7
± 20
24
7.96
40.0
8.0
8.20
16.00
SDR1307-3R3ML
3.3
± 20
26
7.96
38.0
8.7
7.50
15.00
SDR1307-4R7ML
4.7
± 20
25
7.96
36.0
10.0
7.00
13.00
SDR1307-5R6ML
5.6
± 20
24
7.96
28.0
15.0
6.50
11.00
SDR1307-6R8ML
6.8
± 20
24
7.96
26.0
17.0
6.00
10.50
SDR1307-8R2ML
8.2
± 20
24
7.96
24.0
19.0
5.80
9.80
SDR1307-100ML
10
± 20
22
2.52
22.0
21.0
5.60
9.20
SDR1307-120ML
12
± 20
25
2.52
20.0
30.0
4.80
8.00
SDR1307-150ML
15
± 20
28
2.52
17.0
34.0
4.50
7.50
SDR1307-180ML
18
± 20
28
2.52
16.0
36.0
4.20
7.00
SDR1307-220ML
22
± 20
40
2.52
15.0
47.0
3.60
6.50
SDR1307-270ML
27
± 20
35
2.52
11.0
60.0
3.30
5.50
SDR1307-330KL
33
± 10
35
2.52
10.0
65.0
3.10
5.00
SDR1307-390KL
39
± 10
28
2.52
9.0
75.0
2.90
4.60
SDR1307-470KL
47
± 10
24
2.52
7.5
82.0
2.70
4.20
SDR1307-560KL
56
± 10
22
2.52
7.2
95.0
2.50
3.80
SDR1307-680KL
68
± 10
24
2.52
7.0
120.0
2.30
3.50
~~**General Specif**~~**i**~~**cations**~~
Core .......................................Ferrite DR
Wire .................. Enamelled copper wire
Terminal ....................................Ag/Ni/Sn
Rated Current
.................Ind. drop 10 % typ. at Isat
Temperature Rise
................~~....40 °C max.~~at rated Irms
Packaging ....................400 pcs. per reel
~~**Materials**~~
~~**Product Dimensions**~~
13.0±0.5
(.512 ± .020)
~~pes]~~
~~fT |~~
~~ReeeGeOeGG~~
~~po~~
~~es~~
~~poeG~~
~~es~~
~~ss~~
~~Ge de~~
~~dG~~
~~poeG~~
~~po~~
~~po~~
~~po~~
~~po~~
~~es~~
~~poeG~~
~~es~~|
|SDR1307-820KL
82
± 10
18
2.52
6.0
140.0
2.10
3.20
SDR1307-101KL
100
± 10
25
0.796
5.8
180.0
1.90
3.00
SDR1307-121KL
120
± 10
20
0.796
5.5
210.0
1.80
2.80
SDR1307-151KL
150
± 10
20
0.796
4.5
250.0
1.60
2.60
SDR1307-181KL
180
± 10
18
0.796
4.0
280.0
1.50
2.30
SDR1307-221KL
220
± 10
15
0.796
3.8
360.0
1.30
2.10
7.0±0.3
~~(.2~~76 ± .012)
5.0
(.197) REF.
~~dG~~
~~>~~
~~po~~
~~eG~~
~~—~~
~~po~~
{
~~po~~|
|SDR1307-271KL
270
± 10
15
0.796
3.5
410.0
1.20
1.80
SDR1307-331KL
330
± 10
15
0.796
3.2
520.0
1.10
1.60
SDR1307-391KL
390
± 10
12
0.796
2.5
600.0
1.00
1.50
SDR1307-471KL
470
± 10
12
0.796
2.2
720.0
0.90
1.40
SDR1307-561KL
560
± 10
10
0.796
2.0
880.0
0.85
1.30
SDR1307-681KL
680
± 10
10
0.796
1.6
1000.0
0.80
1.20
SDR1307-821KL
820
± 10
10
0.796
1.5
1300.0
0.75
1.10
SDR1307-102KL
1000
± 10
10
0.252
1.4
1600.0
0.65
1.00
13.0±0.5
(.512 ± .020)
~~**Recommended Layout**~~
~~po~~
~~——~~
~~es~~
|
~~po~~
~~eG~~
~~—_~~
~~es~~
~~ss~~
~~Ge de~~
~~dG~~
~~po~~|
Core .......................................Ferrite DR Wire .................. Enamelled copper wire Terminal ....................................Ag/Ni/Sn Rated Current .................Ind. drop 10 % typ. at Isat Temperature Rise ................ ~~....40 °C max.~~ at rated Irms Packaging ....................400 pcs. per reel
**==> picture [119 x 267] intentionally omitted <==**
**----- Start of picture text -----**
13.0 ± 0.5
(.512 ± .020)
>
7.0 ± 0.3
(.2 — 76 ± .012)
{
5.0
(.197) [REF.]
——
|
13.0 ± 0.5
(.512 ± .020) —_
Recommended Layout
REF.
14.0
(.551)
4.5
r (.551)14.0 [REF.] (ee (.177)REF.
{US
MM
DIMENSIONS:
(INCHES)
**----- End of picture text -----**
## ~~**Electrical Schematic**~~
## ~~**Typical Part Marking**~~
**101**
- *RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011. 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 SDR1307 Series - SMD Power Inductors**
## ~~**Packaging Specifcations**~~
**==> picture [395 x 344] intentionally omitted <==**
**----- Start of picture text -----**
2.0 ± 0.5
330 (.079 ± .020)
(12.992) 30.4
-— DIA. [OO (1.197) - 4p
THICKNESS
0.10
13.0 ± 0.5
21 0.8 (.004)
(.827 .039) (.512 ± .020)DIA. MAX.
EMBOSSED
= | 'S i of 50.0 S e e CAVITY
(1.969)
13.0 ± 0.5
(.512 ± .020) [DIA.]
re EMBOSSED ae
CARRIER
—L 26.0 7a 24.0 >
(1.024) (.945)
24.0
(.945)
4
END (.157) START
le pofodo de]Ar 16
(.630)
NO COMPONENT NO COMPONENT
160 390
| COMPONENTS
(6.299) (15.354)
USER DIRECTION OF FEED
——________»
QTY: 400 PCS. PER REEL
MM
DIMENSIONS:
(INCHES)
101 101 101 101
**----- End of picture text -----**
REV. 03/18 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.
## Links
- [View this product on Novapart](https://novapart.co/products/SDR1307-270ML/power-inductor-smd-27-h-33-a-unshielded-55-sdr1307)
- [Request a quote for this part](https://novapart.co/quote/)
- [Supplier page](https://es.farnell.com/bourns/sdr1307-270ml/inductor-27uh-20-3-3a-smd/dp/2329017RL)
---
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