SRR1806-681M Bourns Inc., SRR1806-681M Datasheet
SRR1806-681M
Manufacturer Part Number
SRR1806-681M
Description
INDUCTOR 680UH SMD POWER
Manufacturer
Bourns Inc.
Series
SRR1806r
Type
Ferrite Corer
Specifications of SRR1806-681M
Inductance
680µH
Current
540mA
Current - Saturation
1.1A
Tolerance
±20%
Shielding
Shielded
Dc Resistance (dcr)
1.470 Ohm
Q @ Freq
19 @ 796kHz
Self Resonant Freq
2.1MHz
Package / Case
0.720" L x 0.551" W x 0.268" H (18.30mm x 14.00mm x 6.80mm)
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 125°C
Frequency - Test
100kHz
Material - Core
Ferrite
Applications
Power Supplies
Inductance Tolerance
± 10%
Dc Resistance Max
1.2ohm
Dc Current Rating
1.2Arms
Self Resonant Frequency
2.5MHz
Q Factor
12
Core Material
Ferrite DR
No. Of Pins
2
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Current - Temperature Rise
-
Lead Free Status / RoHS Status
Lead free / RoHS Compliant, Lead free / RoHS Compliant
Other names
SRR1806-681M
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
SRR1806-681M
Manufacturer:
Chemi-con
Quantity:
150 000
Part Number:
SRR1806-681M
Manufacturer:
BOURNS/伯恩斯
Quantity:
20 000
*RoHS Directive 2002/95/EC Jan 27, 2003 including Annex
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.
Bourns Part No.
SDR1806-1R0ML
SDR1806-2R2ML
SDR1806-3R3ML
SDR1806-5R6ML
SDR1806-8R2ML
SDR1806-100ML
SDR1806-150ML
SDR1806-220ML
SDR1806-330ML
SDR1806-470ML
SDR1806-680ML
SDR1806-101KL
SDR1806-151KL
SDR1806-221KL
SDR1806-331KL
SDR1806-471KL
SDR1806-681KL
SDR1806-102KL
Electrical Specifications
Inductance 100 kHz
1000.0
100.0
150.0
220.0
330.0
470.0
680.0
10.0
15.0
22.0
33.0
47.0
68.0
(µH)
2.2
3.3
5.6
8.2
1
Tol. %
± 20
± 20
± 20
± 20
± 20
± 20
± 20
± 20
± 20
± 20
± 20
± 10
± 10
± 10
± 10
± 10
± 10
± 10
Ref.
22
22
23
22
22
20
22
24
22
22
25
23
20
18
15
12
10
21
Q
Frequency
(MHz)
0.796
0.796
0.796
0.796
0.796
0.796
0.252
7.96
7.96
7.96
7.96
7.96
2.52
2.52
2.52
2.52
2.52
2.52
Test
Features
■
■
■
■
SDR1806 Series - SMD Power Inductors
Electrical Schematic
Available in E6 series
Low profile of only 6.6 mm
Inductance as low as 1 µH
RoHS compliant*
100.0
(MHz)
55.0
40.0
30.0
27.0
25.0
17.0
13.0
11.0
SRF
Typ.
9.0
8.0
7.0
5.0
4.5
3.5
3.0
2.5
2.0
1200.0
1800.0
130.0
190.0
270.0
420.0
580.0
820.0
RDC
Max.
(mΩ)
15.0
20.0
25.0
35.0
45.0
68.0
95.0
4.0
6.8
9.8
I rms
Max.
10.0
9.00
7.60
6.40
7.00
5.30
4.30
3.60
3.00
2.50
2.10
1.70
1.40
1.10
1.00
0.80
0.70
0.50
(A)
30.00
22.00
17.00
12.80
10.00
I sat
9.40
8.00
6.70
5.40
4.60
3.80
3.20
2.60
2.20
1.80
1.50
1.20
1.00
Typ.
(A)
Applications
■
■
Test Voltage.....................................0.1 V
Reflow soldering.....250 °C; 10 sec max.
Operating Temperature ..-40 °C to +125 °C
Storage Temperature..-40 °C to +125 °C
Resistance to Soldering Heat
Core.........................................Ferrite DR
Wire .............................Enameled copper
Base ......................................LCP E4008
Terminal .........................................Cu/Sn
Rated Current
Temperature Rise ..................40 °C max.
Packaging.....................250 pcs. per reel
General Specifications
Materials
Product Dimensions
Recommended Layout
............................250 °C, 10 sec. max.
Input/output of DC/DC converters
Power supplies for:
• Portable communications equipment
• Camcorders
• LCD TVs
• Car radios
...................Ind. drop 10 % typ. at Isat
REF.
•
(.500)
= START OF WINDING
12.7
(.720 ± .012)
(In compliance with JEDEC,
18.3 ± 0.3
(Temperature rise included)
DIMENSIONS:
J-STD-020C, Table 4-2)
(.118)
3.0
REF.
(.512 ± .012)
13.0 ± 0.3
(.551 ± .012)
(.260 ± .012)
(.114)
14.0 ± 0.3
2.9
(INCHES)
at rated Irms
6.6 ± 0.3
(.098 ± .008)
(.102 ± .008)
2.5 ± 0.2
MM
2.6 ± 0.2
REF.
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SRR1806-681M Summary of contents
Page 1
Electrical Specifications Inductance 100 kHz Q Bourns Part No. Ref. (µH) Tol. % SDR1806-1R0ML 1 ± SDR1806-2R2ML 2.2 ± SDR1806-3R3ML 3.3 ± SDR1806-5R6ML 5.6 ± SDR1806-8R2ML 8.2 ± SDR1806-100ML 10.0 ...
Page 2
SDR1806 Series - SMD Power Inductor Soldering Profile 300 <1> Max seconds at 250 °C <2> Max seconds > 220 °C 250 200 150 100 50 Ramp-up 4 °/second maximum Packaging Specifications 2.0 ...