PM2120-681K-RC Bourns Inc., PM2120-681K-RC Datasheet
PM2120-681K-RC
Manufacturer Part Number
PM2120-681K-RC
Description
Power Inductors 680uH 10%
Manufacturer
Bourns Inc.
Series
PM2120r
Datasheet
1.PM2120-820K-RC.pdf
(2 pages)
Specifications of PM2120-681K-RC
Inductance
680 uH
Tolerance
10 %
Maximum Dc Current
3 Amps
Maximum Dc Resistance
142 mOhms
Dimensions
25.4 mm W x 30.5 mm L x 21.59 mm H
Shielding
Unshielded
Operating Temperature Range
- 55 C to + 105 C
Termination Style
SMD/SMT
Inductance Tolerance
± 10%
Dc Resistance Max
0.142ohm
Dc Current Rating
3A
Core Material
Iron
No. Of Pins
2
Inductor Type
Toroidal
Mounting Type
Surface Mount
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
*RoHS Directive 2002/95/EC Jan 27 2003 including Annex.
Specifi cations are subject to change without notice.
Customers should verify actual device performance in their specifi c applications.
Bourns Part No.
PM2120-1R0M-RC
PM2120-1R2M-RC
PM2120-1R5M-RC
PM2120-1R8M-RC
PM2120-2R2M-RC
PM2120-2R7M-RC
PM2120-3R3M-RC
PM2120-3R9M-RC
PM2120-4R7M-RC
PM2120-5R6M-RC
PM2120-6R8M-RC
PM2120-8R2M-RC
PM2120-100K-RC
PM2120-120K-RC
PM2120-150K-RC
PM2120-180K-RC
PM2120-220K-RC
PM2120-270K-RC
PM2120-330K-RC
PM2120-390K-RC
PM2120-470K-RC
PM2120-560K-RC
PM2120-680K-RC
PM2120-820K-RC
PM2120-101K-RC
PM2120-121K-RC
PM2120-151K-RC
PM2120-181K-RC
PM2120-221K-RC
PM2120-271K-RC
PM2120-331K-RC
PM2120-391K-RC
PM2120-471K-RC
PM2120-561K-RC
PM2120-681K-RC
PM2120-821K-RC
PM2120-102K-RC
Electrical Specifi cations
Electrical Schematic
1000
(μH)
Inductance 1 kHz
100
120
150
180
220
270
330
390
470
560
680
820
1.0
1.2
1.5
1.8
2.2
2.7
3.3
3.9
4.7
5.6
6.8
8.2
10
12
15
18
22
27
33
39
47
56
68
82
Tol. (%)
±20
±20
±20
±20
±20
±20
±20
±20
±20
±20
±20
±20
±10
±10
±10
±10
±10
±10
±10
±10
±10
±10
±10
±10
±10
±10
±10
±10
±10
±10
±10
±10
±10
±10
±10
±10
±10
Features
■
■
■
■
PM2120 Series - High Current SMD Power Inductors
Typical Part Marking
Formerly
Current rating up to 25.4 A
Toroidal core
RoHS compliant*
DCR
Max.
(mΩ)
100
108
119
130
142
157
215
11
12
13
14
19
21
29
32
35
39
43
47
52
72
2
2
3
3
3
3
4
4
5
5
6
6
7
8
9
9
J. W .Miller
PM2120-xxxx-RC
25.4
25.4
22.0
22.0
19.7
19.7
18.0
18.0
16.6
15.6
14.7
14.7
13.9
12.7
12.2
11.8
11.0
10.4
10.1
Idc
(A)
9.6
8.2
7.9
6.7
6.4
6.1
5.8
5.5
5.3
5.0
4.2
3.6
3.5
3.3
3.2
3.0
2.9
2.5
model
20.83 / (0.82)
20.83 / (0.82)
20.83 / (0.82)
20.83 / (0.82)
20.83 / (0.82)
20.83 / (0.82)
20.83 / (0.82)
20.83 / (0.82)
20.83 / (0.82)
20.83 / (0.82)
20.83 / (0.82)
20.83 / (0.82)
20.83 / (0.82)
20.83 / (0.82)
20.83 / (0.82)
20.83 / (0.82)
20.83 / (0.82)
20.83 / (0.82)
20.83 / (0.82)
20.83 / (0.82)
20.07 / (0.79)
20.07 / (0.79)
19.56 / (0.77)
20.10 / (0.87)
20.10 / (0.87)
20.10 / (0.87)
20.10 / (0.87)
21.08 / (0.83)
21.08 / (0.83)
20.32 / (0.80)
19.81 / (0.78)
19.81 / (0.78)
21.59 / (0.85)
21.59 / (0.85)
21.59 / (0.85)
21.59 / (0.85)
20.83 / (0.82)
mm/(in.)
Dim. A
Max.
Applications
■
■
■
Test Voltage .................................... 0.1 V
Refl ow Soldering .......245 °C; 5 seconds
Operating Temperature
Storage Temperature .. -55 °C to +105 °C
Resistance to Soldering Heat
Core .................................................. Iron
Wire ............................ Enameled copper
Adhesive ...............................Epoxy resin
Terminal ...................................Sn/Ag/Cu
Rated Current
Temperature Rise
Packaging ...................... 77 pcs. per box
General Specifi cations
Materials
Product Dimensions
Recommended Pad Layout
Input/output of DC/DC converters
Industrial electronics
Power supplies for:
• Portable communications equipment
• Camcorders
• LCD TVs
• Car radios
............................... -55 °C to +105 °C
...........................260 °C, 10 sec. max.
.....See “Inductance vs. Current” table
..............................30 °C typical at Idc
DIMENSIONS:
(1.200 ± .0200)
(Temperature rise included)
30.5 ± 0.5
(0.200)
5.1
(0.900)
22.9
(INCHES)
MM
(1.000)
MAX.
25.4
A
(0.700)
17.8
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PM2120-681K-RC Summary of contents
Page 1
... PM2120-331K-RC 330 ±10 PM2120-391K-RC 390 ±10 PM2120-471K-RC 470 ±10 PM2120-561K-RC 560 ±10 PM2120-681K-RC 680 ±10 PM2120-821K-RC 820 ±10 PM2120-102K-RC 1000 ±10 Electrical Schematic *RoHS Directive 2002/95/EC Jan 27 2003 including Annex. Specifi cations are subject to change without notice. Customers should verify actual device performance in their specifi c applications. ...
Page 2
... PM2120 Series - High Current SMD Power Inductors Inductance vs. Current Idc (A) Idc (A) L (μH) to decrease L to decrease 15.3 24.5 1.2 17.4 27.9 1.5 15.8 25.3 1.8 14.6 23.4 2.2 13.1 21.0 2.7 11.7 18.7 3.3 15.1 24.2 3.9 9.70 15.5 4.7 8.90 14 ...