PM2120-121K-RC Bourns Inc., PM2120-121K-RC Datasheet - Page 2

• Manufacturer Part Number: PM2120-121K-RC
• Description: Power Inductors 120uH 10%
• Manufacturer: Bourns Inc.
• Series: PM2120r

Specifications of PM2120-121K-RC

• Inductance: 120 uH
• Tolerance: 10 %
• Maximum Dc Current: 5.8 Amps
• Maximum Dc Resistance: 39 mOhms
• Dimensions: 25.4 mm W x 30.5 mm L x 22.1 mm H
• Shielding: Unshielded
• Operating Temperature Range: - 55 C to + 105 C
• Termination Style: SMD/SMT
• Inductance Tolerance: ± 10%
• Dc Resistance Max: 0.039ohm
• Dc Current Rating: 5.8A
• Core Material: Iron
• No. Of Pins: 2
• Inductor Type: High Current
• Mounting Type: Surface Mount
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, 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