CO
M
PL
IA
N
Features
■
Formerly
■
Height of 4.5 mm
■
Current rating up to 1.65 A
■
RoHS compliant*
Applications
model
■
Input/output of DC/DC converters
■
Industrial electronics
■
Power supplies for:
*R
oH
S
T
• Portable communications equipment
• Camcorders
• LCD TVs
• Car radios
PM74SB Series - Shielded SMD Power Inductors
Electrical Specifications
Inductance 100 KHz
Bourns Part No.
PM74SB-100M-RC
PM74SB-120M-RC
PM74SB-150M-RC
PM74SB-180M-RC
PM74SB-220M-RC
PM74SB-270M-RC
PM74SB-330L-RC
PM74SB-390L-RC
PM74SB-470L-RC
PM74SB-560L-RC
PM74SB-680L-RC
PM74SB-820L-RC
PM74SB-101K-RC
PM74SB-121K-RC
PM74SB-151K-RC
PM74SB-181K-RC
PM74SB-221K-RC
PM74SB-271K-RC
(μH)
10
12
15
18
22
27
33
39
47
56
68
82
100
120
150
180
220
270
Tol. (%)
±20
±20
±20
±20
±20
±20
±15
±15
±15
±15
±15
±15
±10
±10
±10
±10
±10
±10
Test
Frequency
(MHz)
2.52
2.52
2.52
2.52
2.52
2.52
2.52
2.52
2.52
2.52
2.52
2.52
1.00
1.00
1.00
1.00
1.00
1.00
SRF
MHz
Typ.
26
25
20
19
18
16
15
14
12
11
10
9
8
7
6
5
5
4
DCR
Max.
(Ω)
0.07
0.07
0.08
0.10
0.13
0.16
0.18
0.18
0.27
0.29
0.33
0.43
0.49
0.68
0.94
1.00
1.18
1.30
Idc
(A)
1.65
1.57
1.39
1.29
1.12
1.06
0.97
0.91
0.80
0.76
0.68
0.62
0.55
0.49
0.44
0.40
0.36
0.33
Isat
(A)
2.00
1.90
1.68
1.55
1.47
1.35
1.16
1.10
0.95
0.89
0.76
0.72
0.64
0.63
0.56
0.52
0.55
0.53
General Specifications
Test Voltage .................................... 0.1 V
Reflow Soldering ....230 °C; 50 sec max.
Operating Temperature
................................ -40 °C to +125 °C
(Temperature rise included)
Storage Temperature
................................ -40 °C to +125 °C
Resistance to Soldering Heat
...........................260 °C, 10 sec. max.
Materials
Core .............................................. Ferrite
Wire ............................ Enameled copper
Adhesive ...............................Epoxy resin
Terminal ........................................ Sn/Cu
Rated Current
................... Ind. drop 10 % typ. at Isat
Temperature Rise ..... 40 °C typical at Idc
Packaging ...................1000 pcs. per reel
Product Dimensions
7.0 ± 0.4
(.276 ± .016)
Electrical Schematic
Typical Part Marking
680
7.8 ± 0.4
(.307 ± .016)
4.5 ± 0.4
(.177 ± .016)
2.1
(.083)
REF.
Recommended Pad Layout
R
1.0
(.039)
8.0
(.315)
2.0
(.079)
7.5
(.295)
DIMENSIONS:
MM
(INCHES)
*RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011.
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications
PM74SB Series - Shielded SMD Power Inductors
Inductance vs. Current
470
45
40
390
330
30
25
20
15
10
5
0
0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
150
100
270
220
180
120
Inductance (µH)
35
DC Current (A)
300
271
250
221
200
Inductance (µH)
181
150
121
100
820
50
560
680
101
151
0
0
0.3
0.5
0.8
1.0
1.3
1.5
1.8
2.0
2.3
2.5
DC Current (A)
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications
PM74SB Series - Shielded SMD Power Inductors
Packaging Specifications
21.4 ± 0.4
(.843 ± .016)
330 ± 1.5
(12.99 ± .059)
DIA.
21.5 +0.5/-0
(.846 +.020/-0)
DIA.
13.0 +0.5/-0.2
(.512 +.020/-0)
DIA.
100.0 ± 1.5
(3.94 ± .059)
DIA.
2.00 ± 0.5
(.079 ± .020)
16.5 +0.5/-0
(.670 +.020/-0)
2.00 ± 0.1
(.079 ± .004)
1.75 ± 0.1
(.069 ± .004)
4.00 ± 0.1
(.157 ± .004)
DIA.
1.5 +0.1/-0
(.059 +.004/-0)
8.10 ± 0.1
(.319 ± .004)
16.00 ± 0.3
(.630 ± .012)
7.5 ± 0.1
(.295 ± .004)
3.70 ± 0.1
(.146 ± .004)
12.00 ± 0.1
(.472 ± .004)
7,20 ± 0.1
(.283 ± .004)
1.5
DIA. MIN.
(.059)
0.30 ± 0.05
(.012 ± .002)
680
DIMENSIONS:
MM
(INCHES)
QTY: 1000 PCS. PER REEL
5.50 ± 0.1
(.217 ± .004)
01/08
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications