Document 248-1
1812DPS Coupled Inductors
• Coupled inductor optimized for xDSL filtering applications
• Can be used as a common mode choke, 1:1 transformer or
in SEPIC applications
Core material Ferrite
Terminations RoHS compliant gold over nickel over moly-manganese.
Weight 0.30 – 0.36 g
Ambient temperature –40°C to +85°C with Irms current
Maximum part temperature +125°C (ambient + temp rise)
Storage temperature Component: –40°C to +125°C.
Tape and reel 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
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 600/7″reel; 2200/13″ reel Plastic tape: 12 mm wide,
0.25 mm thick, 8 mm pocket spacing, 3.9 mm pocket depth
PCB washing Tested to MIL-STD-202 Method 215 plus an additional
aqueous wash. See Doc787_PCB_Washing.pdf.
L
DCR
max
SRF
min
C
D
B
E
±±202
Q
Isat4 Irms5
1
4
Part number1
(µH) min3 (Ohms) (MHz) (mA) (mA)
1
2
4
3
1812DPS-102ML_ 1.0
1812DPS-222ML_ 2.2
1812DPS-472ML_ 4.7
1812DPS-103ML_ 10
1812DPS-153ML_ 15
38
29
43
35
37
0.20
0.33
0.41
0.74
0.96
285
175
102
74
2400 2100
1500 1200
1500 1000
A
F
800
700
780
710
65
H
1812DPS-223ML_ 22
1812DPS-393ML_ 39
1812DPS-473ML_ 47
38
39
40
1.84
2.60
2.66
54
5.7
4.8
500
450
400
530
420
390
G
0.057
1,45
0.015
0,38
1. When ordering, please specify packaging code:
181±DPS-473MLC
1
4
Packaging: C = 7″ machine-ready reel. EIA-481 embossed plastic
Pad Detail
0.020
0,51
0.020
0,51
0.115
2,92
tape (600 parts per full reel).
B = Less than full reel. In tape, but not machine ready.
To have a leader and trailer added ($25 charge),
use code letter C instead.
2
3
0.015
0,38
D = 13″ machine-ready reel. EIA-481 embossed plastic
0.018
0,46
ref
0.030 0.002
0,76 0,05
0.048
1,22
tape (2200 parts per full reel).
0.040
1,02
min
2. Per winding.Tested at 100 kHz, 0.1 Vrms, 0 Adc.
3. Q measured at 1 MHz.
4. DC current at which the inductance drops 10% (typ) from its value
without current.
Recommended
Land Pattern
5. Current that causes a 40°C temperature rise from 25°C ambient.This
information is for reference only and does not represent absolute maxi-
mum ratings.
6. Electrical specifications at 25°C.
Refer to Doc 362 “Soldering Surface Mount Components” before soldering.
A
B
C
D
E
F
G
max
max
max
ref
ref
ref
min
H
0.231 0.196 0.150 0.107 0.100 0.178 0.04 0.03 inches
5,87 4,98 3,81 2,72 2,54 4,52 1,02 0,76 mm
Document 248-1 Revised 10/12/15