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
• Car radios
PM74SB Series - Shielded SMD Power Inductors
*RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011.
Specifi cations are subject to change without notice.
Customers should verify actual device performance in their specifi c applications
Electrical Specifi cations General Specifi cations
Test Voltage ....................................0.1 V
Refl ow 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
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
