PM2120-1R8M-RC Bourns Inc., PM2120-1R8M-RC Datasheet - Page 2

• Manufacturer Part Number: PM2120-1R8M-RC
• Description: POWER INDUCTOR, 1.8UH, 22A, 20%
• Manufacturer: Bourns Inc.
• Series: PM2120r

Specifications of PM2120-1R8M-RC

• Inductance Tolerance: ± 20%
• Dc Resistance Max: 3000µohm
• Dc Current Rating: 22A
• Core Material: Iron
• No. Of Pins: 2
• Inductor Type: Toroidal
• Inductance: 1.8µH
• Mounting Type: Surface Mount
• Tolerance: 20 %
• Maximum Dc Current: 22 Amps
• Maximum Dc Resistance: 3 mOhms
• Dimensions: 25.4 mm W x 30.5 mm L x 20.83 mm H
• Shielding: Unshielded
• Operating Temperature Range: - 55 C to + 105 C
• Termination Style: SMD/SMT
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Inductance vs. Current
L (μH)
1000
PM2120 Series - High Current SMD Power Inductors
100
120
150
180
220
270
330
390
470
560
680
820
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
1
to decrease L
by 10 %
Idc (A)
15.3
17.4
15.8
14.6
13.1
11.7
15.1
9.70
8.90
8.10
7.40
6.70
6.10
5.60
4.90
4.60
4.10
3.70
3.35
3.10
2.80
2.55
2.35
2.15
1.92
1.75
1.58
1.43
1.30
1.18
1.11
0.97
0.89
0.81
0.74
0.67
0.61
to decrease L
by 20 %
Idc (A)
24.5
27.9
25.3
23.4
21.0
18.7
24.2
15.5
14.3
13.0
11.9
10.7
9.77
8.97
7.85
7.37
6.57
5.93
5.37
4.97
4.49
4.09
3.76
3.44
3.08
2.80
2.53
2.29
2.08
1.89
1.78
1.55
1.43
1.30
1.19
1.07
0.98
to decrease L
by 30 %
Idc (A)
34.4
39.2
35.6
32.9
29.5
26.3
34.0
21.8
20.0
18.2
16.7
15.1
13.7
12.6
11.0
10.4
9.23
8.33
7.54
6.98
6.30
5.74
5.29
4.84
4.32
3.94
3.56
3.22
2.93
2.66
2.50
2.18
2.00
1.82
1.67
1.51
1.37
to decrease L
by 40 %
Idc (A)
45.9
52.2
47.4
43.8
39.3
35.1
45.3
29.1
26.7
24.3
22.2
20.1
18.3
16.8
14.7
13.8
12.3
11.1
10.1
9.30
8.40
7.65
7.05
6.45
5.76
5.25
4.74
4.29
3.90
3.54
3.33
2.91
2.67
2.43
2.22
2.01
1.83
to decrease L
Customers should verify actual device performance in their specifi c applications.
by 50 %
Idc (A)
61.3
69.7
63.3
58.5
52.5
46.9
60.5
38.9
35.7
32.4
29.6
26.8
24.4
22.4
19.6
18.4
16.4
14.8
13.4
12.4
11.2
10.2
9.41
8.61
7.69
7.01
6.33
5.73
5.21
4.73
4.45
3.89
3.57
3.24
2.96
2.68
2.44
Specifi cations are subject to change without notice.
REV. 03/10