
306 E. Alondra Blvd. Gardena, CA 90247-1059 • Phone (310) 515-1720 • FAX (310) 515-1962
wwww.jwmiller.com 5.21
Shielded, SMT Power Inductors
Special Features
• High current capacity
• Magnetic shielded for low radiation
• Ferrite bobbin core
• Low core loss for high frequency power application
• Compact size
• Large terminal surface for good PCB bonding
• Easy access for reflow soldering inspection
• Operating temperature -30 to +100°C
• Tape & reel packaged 1000/reel
Typical Applications
• Desktop, notebook computers, servers
• Network hubs, bridges, routers
• xDSL, PBX base stations
• PDAs, MP3 players
• Digital TV, DVD, cable modems, DSS set-top boxes
• Battery chargers
• High frequency wireless communication devices
• Electronic game devices
• Industrial electronics
Notes
* Current to cause 10% of inductance
drop, or 40°C temperature rise
PM74SB Series
Part
Number
L (uH)
±20%
Test
Freq.
SRF
(MHz)
Typ.
DCR
(Ω)
Max.
I, DC*
(A)
PM74SB-100M 10 2.52MHz 26 0.07 1.65
PM74SB-120M 12 2.52MHz 25 0.07 1.57
PM74SB-150M 15 2.52MHz 20 0.08 1.39
PM74SB-180M 18 2.52MHz 19 0.10 1.29
PM74SB-220M 22 2.52MHz 18 0.13 1.12
PM74SB-270M 27 2.52MHz 16 0.16 1.06
± 15%
PM74SB-330L 33 2.52MHz 15 0.18 0.97
PM74SB-390L 39 2.52MHz 14 0.18 0.91
PM74SB-470L 47 2.52MHz 12 0.27 0.80
PM74SB-560L 56 2.52MHz 11 0.29 0.76
PM74SB-680L 68 2.52MHz 10 0.33 0.68
PM74SB-820L 82 2.52MHz 9 0.43 0.62
± 10%
PM74SB-101K 100 1KHz 8 0.49 0.55
PM74SB-121K 120 1KHz 7 0.68 0.49
PM74SB-151K 150 1KHz 6 0.94 0.44
PM74SB-181K 180 1KHz 5 1.00 0.40
PM74SB-221K 220 1KHz 5 1.18 0.36
PM74SB-271K 270 1KHz 4 1.30 0.33
Also available as RoHS compliant.
Dimensions: mm
Tolerance: -/+ 0.4
7.0
4.5
2.1 Ref.
Pad Layout
8
2
7.5
7.8
R 1