SD25-470-R COILTRONICS, SD25-470-R Datasheet - Page 3

• Manufacturer Part Number: SD25-470-R
• Description: POWER INDUCTOR, 47UH, 0.919A, 20%
• Manufacturer: COILTRONICS
• Series: SDr

Specifications of SD25-470-R

• Inductance Tolerance: ± 20%
• Dc Resistance Max: 0.3156ohm
• Dc Current Rating: 0.919Arms
• Core Material: Ferrite
• Inductor Case Style: SMD
• No. Of Pins: 2
• Inductor Type: Power
• Inductance: 47µH
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

(1) Open Circuit Inductance Test Parameters: 100KHz, 0.25Vrms, 0.0Adc.
(2) RMS current for an approximate ∆T of 40°C without core loss. It is
(3) SD10,12,18,25 Peak current for approximate 30% roll off at 20°C.
Part Number
SD20-R47-R
SD20-1R2-R
SD20-1R5-R
SD20-2R2-R
SD20-3R3-R
SD20-4R7-R
SD20-6R2-R
SD20-8R2-R
SD20-100-R
SD20-150-R
SD20-220-R
SD20-330-R
SD20-470-R
SD20-680-R
SD20-820-R
SD20-101-R
SD20-151-R
SD20-221-R
SD20-331-R
SD20-471-R
SD20-681-R
SD20-821-R
SD20-102-R
SD25-R47-R
SD25-R82-R
SD25-1R2-R
SD25-1R5-R
SD25-2R2-R
SD25-3R3-R
SD25-4R7-R
SD25-6R8-R
SD25-8R2-R
SD25-100-R
SD25-150-R
SD25-220-R
SD25-330-R
SD25-470-R
SD25-680-R
SD25-820-R
SD25-101-R
SD25-151-R
SD25-221-R
SD25-331-R
SD25-471-R
SD25-681-R
SD25-821-R
SD25-102-R
recommended that the temperature of the part not exceed 125°C.
SD14 Peak current for approximate 20% roll off at 20°C.
Inductance
Rated
1000
1000
(µH)
0.47
1.20
1.50
2.20
3.30
4.70
6.20
8.20
10.0
15.0
22.0
33.0
47.0
68.0
82.0
0.47
0.82
1.20
1.50
2.20
3.30
4.70
6.80
8.20
10.0
15.0
22.0
33.0
47.0
68.0
82.0
100
150
220
330
470
680
820
100
150
220
330
470
680
820
OCL (1)
+/-20%
1004.9
100.79
1003.4
0.490
15.21
22.09
32.49
47.61
68.89
82.81
98.01
151.3
222.0
327.6
470.9
681.2
823.7
0.466
0.770
10.35
14.45
22.81
33.07
47.89
68.64
82.17
148.4
222.4
332.2
472.4
677.2
826.7
(µH)
1.21
1.69
2.25
3.61
4.41
6.25
8.41
9.61
1.15
1.61
2.14
3.43
5.03
6.93
7.99
Marking
Part
W
W
G
M
O
Q
G
M
O
Q
A
B
C
D
E
H
K
N
P
R
S
U
V
X
A
B
C
D
E
H
K
N
P
R
S
U
V
X
Y
F
J
L
T
F
J
L
T
(4) DCR limits @ 20°C.
5) Applied Volt-Time product (V-uS) across the inductor at 100kHz necessary to
Amperes
Irms (2)
generate a core loss equal to 10% of the total losses for 40°C temperature rise.
0.913
0.745
0.610
0.576
0.495
0.435
0.356
0.294
0.263
0.216
0.204
0.172
0.919
0.741
0.713
0.670
0.553
0.446
0.359
0.293
0.262
0.230
0.216
3.59
3.07
2.88
2.45
2.17
2.05
1.89
1.61
1.53
1.25
1.12
3.88
3.58
3.33
3.12
2.93
2.64
2.39
2.19
1.92
1.80
1.67
1.34
1.11
Low Profile, Shielded Inductors
Amperes
Isat (3)
0.966
0.903
0.718
0.596
0.491
0.406
0.337
0.308
0.283
0.228
0.188
0.155
0.129
0.107
0.098
0.088
0.857
0.711
0.592
0.482
0.441
0.398
0.328
0.268
0.219
0.184
0.154
0.139
0.126
4.00
2.55
2.15
1.87
1.47
1.33
1.12
6.00
4.67
3.81
3.23
2.80
2.21
1.83
1.56
1.45
1.27
1.08
High Power Density,
DCR (4)
0.0200
0.0275
0.0312
0.0429
0.0547
0.0612
0.0720
0.1000
0.1100
0.1655
0.2053
0.3100
0.4650
0.6947
0.7785
0.0177
0.0208
0.0240
0.0274
0.0311
0.0384
0.0467
0.0556
0.0724
0.0824
0.0956
0.1478
0.2149
0.3156
0.4850
0.5242
0.5937
0.8723
Typ.
1.06
1.37
2.04
2.99
3.74
5.56
6.22
8.73
1.34
2.07
3.10
3.88
5.04
5.70
(Ω)
SD Series
u-sec
10.08
12.68
15.28
18.53
22.43
26.98
29.58
32.18
39.98
48.43
58.83
70.53
84.83
93.28
10.03
11.86
14.90
17.94
21.58
25.84
28.27
31.31
38.00
46.51
56.85
67.79
81.17
89.68
98.80
Typ.
2.28
3.58
4.23
4.88
6.18
6.83
8.13
9.43
2.13
2.74
3.34
3.95
4.56
5.78
6.99
8.21
8.82
Volt
103