SRR4018 Series - Shielded SMD Power Inductors
Features
■ Height of 2.0 mm
■ Current rating up to 2.7 A
■ RoHS compliant*
Applications
■ Input/output of DC/DC converters
■ Power supplies for:
• Portable communication equipment
• Camcorders
• LCD TVs
• Car radios
Electrical Specifications
Product Dimensions
General Specifications
Test Voltage .....................0.1 V, 100 KHz
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 for 10 sec.
Materials
Core Material.................................Ferrite
Wire ............................Enameled Copper
Adhesive..............................Epoxy Resin
Terminal.....................................Ag/Ni/Sn
Rated Current .........Ind. drop of 35 % typ.
at Isat
Temperature Rise.............30 ˚C typ. at Irms
Packaging.....................800 pcs. per reel
Recommended Layout
Inductance 100 kHz
Q
Test SRF DCR
Bourns Part No.
(
µµ
H) Tol. %
Ref.
Frequency Typ. Max. Irms Isat
(MHz) (MHz) (m
ΩΩ
) (A) (A)
SRR4018-1R0Y 1.0 ±30 9 7.960 219 35 2.70 2.60
SRR4018-1R8Y 1.8 ±30 9 7.960 105 58 2.35 2.20
SRR4018-2R2Y 2.2 ±30 8 7.960 90 55 2.10 2.10
SRR4018-2R7Y 2.7 ±30 8 7.960 78 60 2.03 1.95
SRR4018-3R3Y 3.3 ±30 8 7.960 61 65 1.95 1.80
SRR4018-3R9Y 3.9 ±30 8 7.960 60 75 1.82 1.65
SRR4018-4R7Y 4.7 ±30 8 7.960 55 82 1.72 1.50
SRR4018-5R6Y 5.6 ±30 7 7.960 57 90 1.64 1.25
SRR4018-6R8Y 6.8 ±30 8 7.960 49 100 1.50 1.15
SRR4018-8R2Y 8.2 ±30 7 7.960 40 135 1.40 1.10
SRR4018-100Y 10 ±30 10 2.520 38 150 1.30 1.00
SRR4018-120Y 12 ±30 9 2.520 32 170 1.15 0.90
SRR4018-150Y 15 ±30 8 2.520 30 220 1.03 0.82
SRR4018-180Y 18 ±30 7 2.520 30 280 0.92 0.75
SRR4018-220Y 22 ±30 7 2.520 29 300 0.88 0.65
SRR4018-270Y 27 ±30 7 2.520 23 370 0.77 0.60
SRR4018-330Y 33 ±30 7 2.520 21 420 0.73 0.50
SRR4018-390Y 39 ±30 8 2.520 19 540 0.64 0.48
SRR4018-470Y 47 ±30 8 2.520 20 600 0.62 0.45
SRR4018-560Y 56 ±30 8 2.520 15 820 0.52 0.40
SRR4018-680Y 68 ±30 7 2.520 13 860 0.50 0.38
SRR4018-820Y 82 ±30 8 2.520 13 1200 0.43 0.32
SRR4018-101Y 100 ±30 10 0.796 12 1350 0.40 0.30
SRR4018-121Y 120 ±30 11 0.796 10 1950 0.33 0.28
SRR4018-151Y 150 ±30 14 0.796 10 2600 0.28 0.26
SRR4018-181Y 180 ±30 10 0.796 10 4000 0.18 0.25
DIMENSIONS:
MM
(INCHES)
Inductance vs. Current
