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ST312RAM821JRZ Fiches technique(PDF) 1 Page - Coilcraft lnc.

No de pièce ST312RAM821JRZ
Description  Chip Inductors for Critical Applications
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Fabricant  COILCRAFT [Coilcraft lnc.]
Site Internet  http://www.coilcraft.com
Logo COILCRAFT - Coilcraft lnc.

ST312RAM821JRZ Fiches technique(HTML) 1 Page - Coilcraft lnc.

  ST312RAM821JRZ Datasheet HTML 1Page - Coilcraft lnc. ST312RAM821JRZ Datasheet HTML 2Page - Coilcraft lnc.  
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1102 Silver Lake Road
Cary IL 60013
Phone
Fax
800-981-0363
847-639-1508
E-mail
Web
cps@coilcraft.com
www.coilcraft-cps.com
®
© Coilcraft, Inc. 2012
Specifications subject to change without notice.
Please check our website for latest information.
0603 CHIP INDUCTORS
Document ST773-1 Revised 10/28/11
Core material Ferrite
Terminations Matte tin over nickel over silver-platinum-glass frit.
Weight 4.3 – 5.7 mg
Ambient temperature –40°C to +85°C with Irms current, +85°C to
+100°C with derated current
Storage temperature Component: –55°C to +100°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
Temperature Coefficient of Inductance (TCL) +50 to +300 ppm/°C
Moisture Sensitivity Level (MSL) 1 (unlimited floor life at <30°C /
85% relative humidity)
Packaging 2000 per 7
″ reel; Paper tape: 8 mm wide, 1.0 mm thick,
4 mm pocket spacing
Inductance2
Impedance typ (Ohms)
SRF min4
DCR max5
Imax
Color
Part number1
±5% (nH)
Q min3
100 MHz
500 MHz
(MHz)
(Ohms)
(A)
code
ST312RAM15NJRZ
15 @ 7.9 MHz
10@ 7.9 MHz
10
42
2800
0.023
1.7
Yellow
ST312RAM33NJRZ
33 @ 7.9 MHz
10@ 7.9 MHz
19
90
1840
0.028
1.7
Red
ST312RAM111JRZ
110 @ 7.9 MHz
12 @ 7.9 MHz
70
350
980
0.060
1.4
Red
ST312RAM121JRZ
120 @ 7.9 MHz
12 @ 7.9 MHz
76
410
920
0.089
1.4
Black
ST312RAM241JRZ
240 @ 7.9 MHz
12 @ 7.9 MHz
140
810
720
0.12
0.68
Violet
ST312RAM271JRZ
270 @ 7.9 MHz
12 @ 7.9 MHz
173
1023
600
0.22
0.68
Brown
ST312RAM471JRZ
470 @ 7.9 MHz
12 @ 7.9 MHz
306
2253
460
0.37
0.61
Orange
ST312RAM561JRZ
560 @ 7.9 MHz
12 @ 7.9 MHz
371
3180
400
0.49
0.53
Blue
ST312RAM681JRZ
680 @ 7.9 MHz
12 @ 7.9 MHz
420
3620
420
0.46
0.53
Orange
ST312RAM821JRZ
820 @ 7.9 MHz
12 @ 7.9 MHz
507
3300
260
0.58
0.53
Green
ST312RAM102JRZ
1000 @ 7.9 MHz
13 @ 7.9 MHz
663
9823
320
0.84
0.40
Black
ST312RAM222JRZ
2200 @ 7.9 MHz
12 @ 2.5 MHz
5220
129
65
1.10
0.40
Red
ST312RAM472JRZ
4700 @ 7.9 MHz
12 @ 7.9 MHz
2100
220
45
1.50
0.40
Yellow
ST312RAM103JRZ
10000 @ 2.5 MHz
9 @ 2.5 MHz
1400
150
30
4.50
0.40
Gray
Higher inductance values than ceramic 0603 inductors
Heavier gauge wire for low DCR
Ferrite construction for high current handling
Inductance values from 15 nH to 10 µH
1. When ordering, please specify
termination and testing codes:
ST312RAM103JRZ
Termination: R = RoHS compliant matte tin over nickel over silver-
platinum-glass frit.
Special order:
Q = RoHS tin-silver-copper (95.5/4/0.5) over tin over
nickel over silver-platinum-glass frit or
P = non-RoHS tin-lead (63/37) over tin over nickel over
silver-platinum-glass frit.
Testing:
Z = COTS
H = Screening per Coilcraft CP-SA-10001
2. Inductance measured using a Coilcraft SMD-A fixture in an Agilent/
HP 4286A impedance analyzer or equivalent with Coilcraft-provided
correlation pieces.
3. Q measured at the same frequency as inductance using an Agilent/
HP 4291A with an Agilent/HP 16197A test fixture or equivalents.
4. SRF measured using an Agilent/HP 8753ES network analyzer or
equivalent and a Coilcraft SMD-D test fixture.
5. DCR measured on a Keithley 580 micro-ohmmeter or equivalent and a
Coilcraft CCF1010 test fixture.
6. Electrical specifications at 25°C.
Refer to Doc 362 “Soldering Surface Mount Components” before soldering.
ChipInductorsforCriticalApplicationsST312RAM


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