1812LS Datasheet, PDF (2/2 Pages) Coilcraft lnc. – Chip Inductors

Document 106-2
1812LS (4532) Chip Inductors
Typical Q vs Frequency
Typical L vs Current
60
10000
50
40
30
20
10
0
0.1
12 µH
270 µH
18 µH
33 µH
82 µH
560 µH
1000 µH
0.79 MHz
2.5 MHz
0.2 0.3 0.4 0.6
1
2 3 4 5 6 8 10
Frequency (MHz)
1000
100
10
1
1000 µH
330 µH
100 µH
10
100
DC Current (mA)
33 µH
12 µH
1000
Irms Derating
120
110
100
90
80
70
60
50
40
30
20
10
0
-40 -20
0
20
40
60
80
Ambient temperature (°C)
100 120
Designer’s Kit C314 contains 10 of each value
Core material Ferrite
Terminations RoHS compliant silver-palladium-platinum-glass frit.
Other terminations available at additional cost.
Weight 142 – 171 mg
Ambient temperature –40°C to +85°C with Irms current, +85°C to
+100°C with derated current
Storage temperature Component: –40°C to +100°C.
Packaging: –40°C to +80°C
Resistance to soldering heat Max three 40 second reflows at
+260°C, parts cooled to room temperature between cycles
Temperature Coefficient of Inductance (TCL) +200 to +700 ppm/°C
Moisture Sensitivity Level (MSL) 1 (unlimited floor life at <30°C /
85% relative humidity)
Failures in Time (FIT) / Mean Time Between Failures (MTBF)
One per billion hours / one billion hours, calculated per Telcordia SR-332
Packaging 600/7″ reel; 2200/13″ reel. Plastic tape: 12 mm wide,
0.3 mm thick, 8 mm pocket spacing, 3.7 mm pocket depth
PCB washing Only pure water or alcohol recommended
B
overall
C
H
F
I
A
G
J
F
I
E
terminal
D
Terminal wraparound:
approx 0.015/0,38 both ends
Recommended
Land Pattern
ABCD
max max max ref E F G H
I
J
0.195 0.150 0.135 0.070 0.100 0.025 0.128 0.120 0.045 0.118 inches
4,95 3,81 3,43 1,78 2,54 0,64 3,25 3,05 1,14 3,00 mm
© Coilcraft, Inc. 2009
Specifications subject to change without notice.
Please check our website for latest information.
Document 106-2 Revised 10/06/08