© Coilcraft, Inc. 2009
Specifications subject to change without notice.
Please check our website for latest information.
Document 252-2
Document 252-2
Revised 08/17/09
Power Chip Inductors - 1812PS Series
Typical L vs Frequency
Typical L vs Current
1µH
0.01
0.1
110
Current (A)
0.1
10
1
100
1000
10000
100 µH
10 µH
1000 µH
0.01
0.1
110
Frequency (MHz)
0.1
10
1
100
1000
10000
100 µH
10 µH
1µH
1000 µH
AB
C
D
E
F
max
max
max
ref
ref
ref
G
0.231
0.196
0.150
0.107
0.100
0.178
0.025
inches
5,87
4,98
3,81
2,72
2,54
4,52
0,64
mm
A
B
E
G
F
C
D
0.045
1,14
0.118
3,00
0.120
3,05
Recommended
Land Pattern
-40
-20
0
20
40
60
80
100
160
140
120
Ambient temperature (°C)
120
110
100
90
80
70
60
50
40
30
20
10
0
Irms Derating
Core material
Ceramic/Ferrite
Core and winding loss
See www.coilcraft.com/coreloss
Terminations RoHS compliant silver-palladium-platinum-glass frit.
Other terminations available at additional cost.
Weight 286 – 323 mg
Ambient temperature –40°C to +105°C with
Irms current, +105°C
to +145°C with derated current
Storage temperature Component: –40°C to +145°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)
38 per billion hours / 26,315,789 hours, calculated per Telcordia SR-332
Packaging 600 per 7
″reel; 2200 per 13″ reel;
Plastic tape: 12 mm wide, 0.25 mm thick, 4 mm pocket spacing,
3.9 mm pocket depth
PCB washing Only pure water or alcohol recommended