3.00
(0.118)
REF.
1.60
(0.063)
REF.
4.10
(0.161)
REF.
7.00
(0.276)
REF.
4.45
(0.175)
2.92
(0.115)
6.60
(0.260)
MAX.
MAX.
MAX.
TYP.
TYP.
TYP.
4.32
(0.170)
1.27
(0.050)
3.05
(0.120)
100
Features
■ Formerly model
■ Height of 2.92 mm
■ Current rating up to 2.9 A
■ RoHS compliant*
Applications
■ Input/output of DC/DC converters
■ Power supplies for:
• Portable communication equipment
• Camcorders
• LCD TVs
• Car radios
PM1608 Series - SMD Power Inductor
*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.
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
Base ..........................................Ceramic
Adhesive .............................. Epoxy resin
Terminal ....................................Ag/Ni/Au
Rated Current
...................Ind. drop 10 % typ. at Isat
Temperature Rise ...............15 °C typical
at rated Irms
Packaging .................... 600 pcs. per reel
DIMENSIONS:
MM
(INCHES)
Product Dimensions
Electrical Specifi cations
Recommended Layout
Inductance 100 kHz Test SRF DCR I rms I sat
Q Frequency Typ. Max.
Max. Typ.
Bourns Part No. (µH) Tol. % Ref. (MHz) (MHz) (Ω) (A) (A)
PM1608-1R0M-RC 1.0 ±20 20 7.96 130 0.05 2.9 2.9
PM1608-1R5M-RC 1.5 ±20 19 7.96 115 0.05 2.8 2.6
PM1608-2R2M-RC 2.2 ±20 18 7.96 90 0.07 2.4 2.3
PM1608-3R3M-RC 3.3 ±20 18.5 7.96 70 0.08 2.0 2.0
PM1608-4R7M-RC 4.7 ±20 17 7.96 50 0.09 1.5 1.5
PM1608-6R8M-RC 6.8 ±20 15.5 7.96 45 0.13 1.4 1.2
PM1608-100M-RC 10 ±20 17 2.52 35 0.16 1.1 1.1
PM1608-150M-RC 15 ±20 17 2.52 30 0.23 1.0 0.90
PM1608-220M-RC 22 ±20 16 2.52 20 0.37 0.80 0.70
PM1608-330M-RC 33 ±20 24 2.52 15 0.51 0.60 0.58
PM1608-470M-RC 47 ±20 15 2.52 14 0.64 0.50 0.50
PM1608-680M-RC 68 ±20 18 2.52 11 0.86 0.40 0.40
PM1608-101M-RC 100 ±20 29 0.796 9 1.3 0.30 0.31
PM1608-151M-RC 150 ±20 41 0.796 6 2.0 0.25 0.27
PM1608-221M-RC 220 ±20 33 0.796 5.5 3.2 0.20 0.22
PM1608-331M-RC 330 ±20 42 0.796 5 3.8 0.16 0.18
PM1608-471M-RC 470 ±20 42 0.796 4 5.1 0.15 0.16
PM1608-681M-RC 680 ±20 58 0.796 3 9.2 0.12 0.14
PM1608-102M-RC 1000 ±20 71 0.252 2 13.8 0.07 0.10
Inductance vs. Current
10
3
10
1
23 5710
2
23 57
DC Current (mA)
Inductance (µH)
10
3
10
4
23 57
7
5
3
2
10
2
7
5
3
2
10
1
7
5
3
2
10
0
7
5
102
101
100
1R0
