www.gowanda.com
One Magnetics Pkwy, Gowanda, NY 14070 • (t) 716-532-2234 • (f) 716-532-2702 • sales@gowanda.com
RF INDUCTORS - SURFACE MOUNT
SMRF1812LF RoHS nshielded RF Inductors
PART L µH TEST FREQ. DCR OHMS Q SRF CURRENT RATING* CORE
NUMBER MHz MAX. MIN MHz MIN. DC mA MATERIAL
SMRF1812-010MLF .010 ±20% 50 .10 40 1000 1230 PHENOLIC
SMRF1812-012MLF .012±20% 50 .10 40 1000 1230 PHENOLIC
SMRF1812-015MLF .015±20% 50 .10 40 1000 1230 PHENOLIC
SMRF1812-018MLF .018±20% 50 .10 40 1000 1230 PHENOLIC
SMRF1812-022MLF .022±20% 50 .10 40 1000 1230 PHENOLIC
SMRF1812-027MLF .027±20% 50 .15 40 1000 1000 PHENOLIC
SMRF1812-033MLF .033±20% 50 .15 40 1000 1000 PHENOLIC
SMRF1812-039MLF .039±20% 50 .20 35 1000 870 PHENOLIC
SMRF1812-047MLF .047±20% 50 .20 35 1000 870 PHENOLIC
SMRF1812-056MLF .056±20% 50 .25 35 850 770 PHENOLIC
SMRF1812-068MLF .068±20% 50 .25 35 750 770 PHENOLIC
SMRF1812-082MLF .082±20% 50 .25 35 750 700 PHENOLIC
SMRF1812-100KLF .10±10% 25 .30 50 650 818 IRON
SMRF1812-120KLF .12±10% 25 .30 50 600 818 IRON
SMRF1812-150KLF .15±10% 25 .30 50 500 818 IRON
SMRF1812-180KLF .18±10% 25 .35 50 400 757 IRON
SMRF1812-220KLF .22±10% 25 .40 50 350 708 IRON
SMRF1812-270KLF .27±10% 25 .45 50 300 668 IRON
SMRF1812-330KLF .33±10% 25 .55 50 250 604 IRON
SMRF1812-390KLF .39±10% 25 .70 50 220 535 IRON
SMRF1812-470KLF .47±10% 25 .80 40 180 501 IRON
SMRF1812-560KLF .56±10% 25 1.20 40 170 409 IRON
SMRF1812-680KLF .68±10% 25 1.40 40 150 379 IRON
SMRF1812-820KLF .82±10% 25 1.60 40 140 354 IRON
SMRF1812-101JLF 1.0±5% 7.9 .50 50 200 634 FERRITE
SMRF1812-121JLF 1.2±5% 7.9 .55 50 80 604 FERRITE
SMRF1812-151JLF 1.5±5% 7.9 .60 50 70 578 FERRITE
SMRF1812-181JLF 1.8±5% 7.9 .65 50 60 556 FERRITE
SMRF1812-221JLF 2.2±5% 7.9 .70 50 55 535 FERRITE
SMRF1812-271JLF 2.7±5% 7.9 .75 50 50 517 FERRITE
SMRF1812-331JLF 3.3±5% 7.9 .80 50 45 501 FERRITE
SMRF1812-391JLF 3.9±5% 7.9 .90 50 40 472 FERRITE
SMRF1812-471JLF 4.7±5% 7.9 1.0 50 35 448 FERRITE
SMRF1812-561JLF 5.6±5% 7.9 1.1 50 33 427 FERRITE
SMRF1812-681JLF 6.8±5% 7.9 1.2 50 27 409 FERRITE
SMRF1812-821JLF 8.2±5% 7.9 1.4 50 25 375 FERRITE
SMRF1812-102JLF 10.0±5% 2.5 1.6 50 20 354 FERRITE
SMRF1812-122JLF 12.0±5% 2.5 2.0 50 18 317 FERRITE
SMRF1812-152JLF 15.0±5% 2.5 2.5 50 17 283 FERRITE
SMRF1812-182JLF 18.0±5% 2.5 2.8 50 15 268 FERRITE
SMRF1812-222JLF 22.0±5% 2.5 3.2 50 13 250 FERRITE
SMRF1812-272JLF 27.0±5% 2.5 3.6 50 12 236 FERRITE
SMRF1812-332JLF 33.0±5% 2.5 4.0 50 11 224 FERRITE
SMRF1812-392JLF 39.0±5% 2.5 4.5 50 11 211 FERRITE
SMRF1812-472JLF 47.0±5% 2.5 5.0 50 10 200 FERRITE
SMRF1812-562JLF 56.0±5% 2.5 5.5 50 9 191 FERRITE
SMRF1812-682JLF 68.0±5% 2.5 6.0 50 9 183 FERRITE
SMRF1812-822JLF 82.0±5% 2.5 7.0 50 8 169 FERRITE
SMRF1812-103JLF 100±5% .79 8.0 40 8 158 FERRITE
SMRF1812-123JLF 120±5% .79 8.0 40 6 158 FERRITE
SMRF1812-153JLF 150±5% .79 9.0 40 5 149 FERRITE
SMRF1812-183JLF 180±5% .79 9.5 40 5 145 FERRITE
SMRF1812-223JLF 220±5% .79 10 40 4 142 FERRITE
SMRF1812-273JLF 270±5% .79 12 40 4 129 FERRITE
SMRF1812-333JLF 330±5% .79 14 40 3.5 120 FERRITE
SMRF1812-393JLF 390±5% .79 16 40 3 112 FERRITE
SMRF1812-473JLF 470±5% .79 26 40 3 88 FERRITE
SMRF1812-563JLF 560±5% .79 30 30 3 82 FERRITE
SMRF1812-683JLF 680±5% .79 30 30 3 82 FERRITE
SMRF1812-823JLF 820±5% .79 35 30 2.5 76 FERRITE
SMRF1812-104JLF 1000±5% .79 40 30 2.5 71 FERRITE
Optional tolerances available, consult factory
4.2/4.8
(.165/.189)
.114/.138 (2.9/3.5)
OVER TERMINAL
RECOMMENDED FOOT PRINT
.059
(1.5)
1.10
(2.8)
.177
(4.5)
.40/.80
(.016/.031)
TERMINAL
LENGTH, TYP.
3.0/3.4
(.118/.134)
.045/.075 TYP.
(1.14/1.91)
MARKING: GEC
XXXK
EXAMPLE OF XXX
101 = 1.0µH
102 = 10µH
103 = 100µH
104 = 1000µH
NOTES:
• Operating temperature -55°C to +125°C
*The current rating that will cause a maxi-
mum temperature rise of 35°C from an 90°C
ambient.
TAPE AND REEL SPECS:
Pcs./Reel maximum: 2200
Pitch between parts: 8 mm
Tape width: 12 mm
Reel diameter inches: 13
in. (mm)
1.0uH
.068uH
1000uH
.33uH
10uH
0
10
20
30
40
50
60
70
80
90
0.1 1 10 100 1000
Frequency in MHz
Q VS. FREQUENCY
SMRF1812 SERIES
Q
