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.....................500 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)
SRR4028-1R2Y 1.2 ±30 9.34 7.96 176 20 3.10 2.560
SRR4028-1R8Y 1.8 ±30 9.18 7.96 146 25 2.70 2.200
SRR4028-2R2Y 2.2 ±30 9.24 7.96 111 28 2.50 2.050
SRR4028-2R7Y 2.7 ±30 8.64 7.96 92 30 2.35 1.800
SRR4028-3R3Y 3.3 ±30 7.72 7.96 76 35 2.15 1.650
SRR4028-3R9Y 3.9 ±30 8.58 7.96 56 60 1.72 1.500
SRR4028-4R7Y 4.7 ±30 8.12 7.96 55 70 1.55 1.300
SRR4028-5R6Y 5.6 ±30 9.56 7.96 69 85 1.38 1.200
SRR4028-6R8Y 6.8 ±30 9.624 7.96 77 90 1.30 1.150
SRR4028-8R2Y 8.2 ±30 8.24 7.96 45 100 1.25 1.050
SRR4028-100Y 10 ±30 11.26 2.52 34 110 1.19 1.000
SRR4028-120Y 12 ±30 11.26 2.52 25 125 1.12 0.850
SRR4028-150Y 15 ±30 9.66 2.52 27 150 1.03 0.780
SRR4028-180Y 18 ±30 11.64 2.52 25 160 0.98 0.750
SRR4028-220Y 22 ±30 8.26 2.52 23 185 0.93 0.720
SRR4028-270Y 27 ±30 10.76 2.52 18 200 0.89 0.600
SRR4028-330Y 33 ±30 9.7 2.52 16 230 0.82 0.580
SRR4028-390Y 39 ±30 9.74 2.52 14 250 0.80 0.500
SRR4028-470Y 47 ±30 10.88 2.52 13 280 0.75 0.480
SRR4028-560Y 56 ±30 9 2.52 13 320 0.70 0.410
SRR4028-680Y 68 ±30 8.42 2.52 11 400 0.63 0.360
SRR4028-820Y 82 ±30 8.6 2.52 8 520 0.56 0.320
SRR4028-101Y 100 ±30 8.78 0.796 9 600 0.51 0.300
SRR4028-121Y 120 ±30 13.32 0.796 8 700 0.47 0.280
SRR4028-151Y 150 ±30 11.72 0.796 6 860 0.42 0.260
SRR4028-181Y 180 ±30 13.86 0.796 7 1000 0.39 0.230
SRR4028-221Y 220 ±30 11.3 0.796 5 1250 0.34 0.200
SRR4028-271Y 270 ±30 17.46 0.796 5 1500 0.32 0.180
SRR4028-331Y 330 ±30 16.48 0.796 5 1700 0.30 0.170
SRR4028-391Y 390 ±30 13.18 0.796 4 2200 0.26 0.160
SRR4028-471Y 470 ±30 13.26 0.796 3 2600 0.24 0.155
SRR4028-561Y 560 ±30 16.46 0.796 3 3000 0.22 0.150
DIMENSIONS:
MM
(INCHES)
*RoHS Directive 2002/95/EC Jan 27 2003 including Annex
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.
