1812COUPLEDINDUCTORS
Coupled Inductors for Critical Applications ST450PHD
•ꢀ CoupledꢀinductorsꢀoptimizedꢀforꢀxDSLꢀfilteringꢀapplications
•ꢀCanꢀbeꢀusedꢀasꢀaꢀcommonꢀmodeꢀchoke,ꢀ1:1ꢀtransformerꢀorꢀ
in SEPIC applications
Core material Ferrite
Terminations RoHS compliant gold over nickel over moly-manganese.
Other terminations available at additional cost.
Weight 0.30 – 0.36 g
Ambient temperature –40°C to +85°C with Imax current, +85°C to
+125°C with derated current
Storage temperature Component: –55°C to +125°C.
Tape and reel packaging: –55°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)
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 Only pure water or alcohol recommended
L
DCR
max
SRF
min
C
D
B
E
2ꢀ02
Q
Isat4 Imax
1
4
Part number1
(µH) min3 (Ohms) (MHz) (mA) (mA)
1
2
4
3
ST450PHD102ML_ 1.0 38
ST450PHD222ML_ 2.2 29
ST450PHD472ML_ 4.7 43
0.20
0.33
0.41
0.74
0.96
285
175
102
74
2400 2100
1500 1200
1500 1000
800 780
700 710
A
F
ST450PHD103ML_ 10
ST450PHD153ML_ 15
35
37
65
H
ST450PHD223ML_ 22
ST450PHD393ML_ 39
ST450PHD473ML_ 47
38
39
40
1.84
2.60
2.66
54
5.7
4.8
500 530
450 420
400 390
G
0.057
1,45
0.015
0,38
1. When ordering, please specify termination and testing codes:
1
4
ST45ꢀPHD473MLZ
Termination: L = Silver-palladium-platinum-glass frit terminations
Pad Detail
0.020
0,51
0.020
0,51
0.115
2,92
Special order:
T = RoHS tin-silver-copper (95.5/4/0.5) or
S = non-RoHS tin-lead (63/37).
2
3
Testing:
Z = COTS
0.015
0,38
H = Screening per Coilcraft CP-SA-10001
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.
ref
0.018
0,46
0.030 0.002
0,76 0,05
0.048
1,22
0.040
1,02
min
Suggested
Recommended
Land Pattern
Land Pattern
5. Electrical specifications at 25°C.
Refer to Doc 362 “Soldering Surface Mount Components” before soldering.
A
max
B
max
C
max
D
ref
E
ref
F
ref
G
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
Note: Termination dimensions are before optional solder application.
For maximum termination dimensions including solder, add
0.006 in / 0,15 mm.
Specifications subject to change without notice.
Please check our website for latest information.
®
Document ST248-1 Revised 03/14/12
Phone 800-981-0363
Fax 847-639-1508
E-mail cps@coilcraft.com
Web www.coilcraft-cps.com
1102 Silver Lake Road
Cary IL 60013
© Coilcraft, Inc. 2012