1613POWERINDUCTORS
Power Inductor for Critical Applications ST312PHA
■ Shielded power inductors
■ Excellent current handling for a part this size; low DCR
Core material Ceramic/Ferrite
Terminations Silver-palladium-platinum-glass frit. Other terminations
available at additional cost.
Weight 26.4– 27.9 mg
Ambient temperature –40°C to +65°C with Irms current, +65°C to
+105°C with derated current
Storage temperature Component: –55°C to +105°C.
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 2000/7″ reel; 7500/13″ reel Plastic tape: 8 mm wide,
0.23 mm thick, 4 mm pocket spacing, 1.8 mm pocket depth
DCR4 SRF5
1. When ordering, please specify termination and testing codes:
L±±102 Qmin3 max
typ Isat6 Irms7
Partnumber1
(µH) at±MHz (Ohms) (MHz) (A)
(A)
ST3±2PHA334KLZ
Termination: L = RoHS compliant silver-palladium-platinum-glass
frit. Special order: T = RoHS tin-silver-copper
ST312PHA781KLZ
ST312PHA102KLZ
ST312PHA182KLZ
ST312PHA222KLZ
ST312PHA272KLZ
ST312PHA332KLZ
ST312PHA392KLZ
ST312PHA472KLZ
ST312PHA562KLZ
ST312PHA682KLZ
0.78
1.0
1.8
2.2
2.7
3.3
3.9
4.7
5.6
6.8
15
15
15
15
15
15
15
15
15
15
0.24
0.26
0.54
0.75
0.75
0.88
1.00
1.08
1.23
1.37
475 0.55 1.30
390 0.40 1.00
155 0.39 0.70
245 0.33 0.60
127 0.33 0.55
72 0.32 0.50
72 0.27 0.48
64 0.26 0.47
51 0.25 0.41
39 0.23 0.40
(95.5/4/0.5) or S = non-RoHS tin-lead (63/37).
Testing:
Z = COTS
H = Screening per Coilcraft CP-SA-10001
2. Inductance measured at 100 kHz, 0.1 Vrms, using a Coilcraft SMD-A
fixture in Agilent/HP 4263B LCR meter.
3. Q measured on an Agilent/HP 4291 with an Agilent/HP 16193 test
fixture.
4. DCR measured on a micro-ohmmeter and a Coilcraft CCF840 test
fixture.
ST312PHA822KLZ
ST312PHA103KLZ
ST312PHA153KLZ
ST312PHA223KLZ
ST312PHA333KLZ
8.2
10
15
22
33
20
20
20
20
20
1.43
1.60
1.92
2.96
5.63
30 0.22 0.39
30 0.21 0.38
22 0.16 0.35
16 0.13 0.27
12 0.10 0.20
5. SRF measured using an Agilent/HP 8753D network analyzer and a
Coilcraft SMD-D test fixture.
6. DC current at which the inductance drops 10% (typ) from its value
without current.
7. Current that causes a 40°C temperature rise from 25°C ambient.
8. Electrical specifications at 25°C.
Refer to Doc 362 “Soldering Surface Mount Components” before soldering.
ST312PHA473KLZ
47
20
5.69
12 0.10 0.18
Specifications subject to change without notice.
Please check our website for latest information.
®
Document ST266-1 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