PM2120-4R7M JW Miller A Bourns Company, PM2120-4R7M Datasheet - Page 2

• Manufacturer Part Number: PM2120-4R7M
• Description: INDUCTOR TOROID 4.7UH 20% SMD
• Manufacturer: JW Miller A Bourns Company
• Series: PM2120r
• Type: Toroidalr

Specifications of PM2120-4R7M

• Inductance: 4.7µH
• Current: 16.6A
• Tolerance: ±20%
• Dc Resistance (dcr): 5 mOhm Max
• Package / Case: 1.200" L x 1.000" W x 0.820" H (30.50mm x 25.40mm x 20.83mm)
• Mounting Type: Surface Mount
• Operating Temperature: -55°C ~ 105°C
• Frequency - Test: 1kHz
• Material - Core: Iron
• Applications: Power Supplies
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Shielding: -
• Q @ Freq: -
• Self Resonant Freq: -
• Current - Saturation: -
• Current - Temperature Rise: -
• Other names: M6179

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