1.0
(.039)
R
2.1
(.083)
REF.
2.0
(.079)
7.8 ± 0.4
(.307 ± .016)
8.0
(.315)
4.5 ± 0.4
(.177 ± .016)
7.0 ± 0.4
(.276 ± .016)
7.5
(.295)
Features
■ Formerly model
■ Height of 4.5 mm
■ Current rating up to 1.65 A
■ RoHS compliant*
Applications
■ Input/output of DC/DC converters
■ Industrial electronics
■ Power supplies for:
• Portable communications equipment
• Camcorders
• LCD TVs
PM74SB Series - Shielded SMD Power Inductors
*RoHS COMPLIANT
Test Voltage ....................................0.1 V
....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.
Moisture Sensitivity Level .....................2
................. N/A
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
Bourns Part No.
Inductance 100 KHz Test
Frequency
(MHz)
SRF
MHz
Typ.
DCR
Max.
(Ω)
Idc
(A)
Isat
(A)(μH) Tol. (%)
PM74SB-100M-RC 10 ±20 2.52 26 0.07 1.65 2.00
PM74SB-120M-RC 12 ±20 2.52 25 0.07 1.57 1.90
PM74SB-150M-RC 15 ±20 2.52 20 0.08 1.39 1.68
PM74SB-180M-RC 18 ±20 2.52 19 0.10 1.29 1.55
PM74SB-220M-RC 22 ±20 2.52 18 0.13 1.12 1.47
PM74SB-270M-RC 27 ±20 2.52 16 0.16 1.06 1.35
PM74SB-330L-RC 33 ±15 2.52 15 0.18 0.97 1.16
PM74SB-390L-RC 39 ±15 2.52 14 0.18 0.91 1.10
PM74SB-470L-RC 47 ±15 2.52 12 0.27 0.80 0.95
PM74SB-560L-RC 56 ±15 2.52 11 0.29 0.76 0.89
PM74SB-680L-RC 68 ±15 2.52 10 0.33 0.68 0.76
PM74SB-820L-RC 82 ±15 2.52 9 0.43 0.62 0.72
PM74SB-101K-RC 100 ±10 1.00 8 0.49 0.55 0.64
PM74SB-121K-RC 120 ±10 1.00 7 0.68 0.49 0.63
PM74SB-151K-RC 150 ±10 1.00 6 0.94 0.44 0.56
PM74SB-181K-RC 180 ±10 1.00 5 1.00 0.40 0.52
PM74SB-221K-RC 220 ±10 1.00 5 1.18 0.36 0.55
PM74SB-271K-RC 270 ±10 1.00 4 1.30 0.33 0.53
Electrical Schematic Product Dimensions
Recommended Pad Layout
DIMENSIONS: MM
(INCHES)
Typical Part Marking
680
* RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011.
WARNING Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Specifications are subject to change without notice. Users should verify actual device performance in their specific
applications. The products described herein and this document are subject to specific legal disclaimers as set forth on
the last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf
PM74SB Series - Shielded SMD Power Inductors
Inductance vs. Current
0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.00
DC Current (A)
Inductance (μH)
5
10
15
20
25
30
35
40
45
0
470
390
330
270
220
180
150 120
100
0.3 0.5 0.8 1.0 1.3 1.5 1.8 2.0 2.3 2.50
DC Current (A)
Inductance (μH)
50
100
150
200
250
300
0
271
221
181
151
121
101
820
680
560
Specifications are subject to change without notice.
Users should verify actual device performance in their specific applications.
The products described herein and this document are subject to specific disclaimers as set forth on the last page of this document, and at www.bourns.com/legal/disclaimer.pdf.
PM74SB Series - Shielded SMD Power Inductors
REV. 03/18
21.5 +0.5/-0
(.846 +.020/-0)
DIA.
13.0 +0.5/-0.2
(.512 +.020/-0)
DIA.
2.00 ± 0.5
(.079 ± .020)
100.0 ± 1.5
(3.94 ± .059)
330 ± 1.5
(12.99 ± .059)
DIA.
DIA.
21.4 ± 0.4
(.843 ± .016)
16.5 +0.5/-0
(.670 +.020/-0)
12.00 ± 0.1
(.472 ± .004)
7,20 ± 0.1
(.283 ± .004)
1.5 +0.1/-0
(.059 +.004/-0)
DIA.
1.5
(.059) DIA. MIN.
2.00 ± 0.1
(.079 ± .004)
1.75 ± 0.1
(.069 ± .004)
16.00 ± 0.3
(.630 ± .012)
7.5 ± 0.1
(.295 ± .004)
4.00 ± 0.1
(.157 ± .004)
3.70 ± 0.1
(.146 ± .004)
5.50 ± 0.1
(.217 ± .004)
8.10 ± 0.1
(.319 ± .004)
0.30 ± 0.05
(.012 ± .002)
680
DIMENSIONS: MM
(INCHES)
QTY: 1000 PCS. PER REEL
Specifications are subject to change without notice.
Users should verify actual device performance in their specific applications.
The products described herein and this document are subject to specific disclaimers as set forth on the last page of this document, and at www.bourns.com/legal/disclaimer.pdf.
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of Bourns® products are responsible for ensuring compliance with safety-related requirements and standards applicable to
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VYZWHJLHWWSPJH[PVUZVUZ\JOWYVK\J[Z»KH[HZOLL[ZPU[OLZLJ[PVULU[P[SLK¸(WWSPJH[PVUZ¹<USLZZL_WYLZZS`HUKZWLJPÄJHSS`
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WYVK\J[PUHUHPYJYHM[VYZWHJLHWWSPJH[PVUTPNO[UV[ILZHMLHUK[O\ZPZUV[YLJVTTLUKLKH\[OVYPaLKVYPU[LUKLKHUKPZH[
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*9
