0805 FERRITE CHIP INDUCTORS
Chip Inductors for Critical Applications
ST336RAM
■
Higher inductance values than ceramic 0805 inductors
■
Heavy guage wire for low DCR
■
Ferrite construction for high current handling
Part number
1
Inductance
2
±5% (µH)
Q min
3
Impedance typ
(Ohms)
SRF min
4
(MHz)
DCR max
5
(Ohms)
Imax
(mA)
Color
code
ST336RAM111JRZ
ST336RAM681JRZ
ST336RAM102JRZ
ST336RAM122JRZ
ST336RAM152JRZ
ST336RAM182JRZ
ST336RAM222JRZ
ST336RAM272JRZ
ST336RAM332JRZ
ST336RAM472JRZ
ST336RAM682JRZ
ST336RAM103JRZ
ST336RAM153JRZ
ST336RAM223JRZ
0.11 @ 7.9 MHz
0.68 @ 7.9 MHz
1.0 @ 7.9 MHz
1.2 @ 7.9 MHz
1.5 @ 7.9 MHz
1.8 @ 7.9 MHz
2.2 @ 7.9 MHz
2.7 @ 7.9 MHz
3.3 @ 7.9 MHz
4.7 @ 7.9 MHz
6.8 @ 7.9 MHz
10 @ 2.5 MHz
15 @ 2.5 MHz
22 @ 2.5 MHz
14 @ 7.9 MHz
15 @ 7.9 MHz
13 @ 7.9 MHz
15 @ 7.9 MHz
16 @ 7.9 MHz
16 @ 7.9 MHz
15 @ 7.9 MHz
15 @ 7.9 MHz
15 @ 7.9 MHz
14 @ 7.9 MHz
14 @ 7.9 MHz
14 @ 2.5 MHz
13 @ 2.5 MHz
13 @ 2.5 MHz
370 @ 500MHz
430 @ 100 MHz
670 @ 100 MHz
860 @ 100 MHz
1000 @ 100 MHz
1360 @ 100 MHz
840 @ 50 MHz
1050 @ 50MHz
1670 @ 50 MHz
950 @ 25 MHz
450 @ 10MHz
740 @ 10 MHz
1300 @ 10MHz
1620 @ 10 MHz
B
overall
F
A
G
F
E
terminal
1000
340
280
300
225
240
90
80
65
40
28
18
15
15
C
D
0.05
0.30
0.39
0.64
0.74
0.98
0.98
1.16
1.20
1.50
1.90
2.20
4.25
6.70
700
410
360
260
250
210
190
190
190
170
150
130
90
75
Brown
Orange
Yellow
Brown
Green
Blue
Brown
Violet
Gray
Black
Brown
Red
Yellow
Green
H
1. When ordering, please specify
termination
and
testing
codes:
ST336RAM223JRZ
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 at 0.1 Vrms, using Coilcraft SMD-A fixture in
Agilent/HP 4286A impedance analyzer or equivalent with Coilcraft-
provided correlation pieces.
3. Q measured on Agilent/HP 4291A with Agilent/HP 16197A test fixture
or equivalents.
4. SRF measured using Agilent/HP 8753ES network analyzer or
equivalent with Coilcraft SMD-D test fixture.
5. DCR measured on a Keithley 580 Micro-ohmmeter or equivalent with
a Coilcraft CCF858 test fixture.
6. Electrical specifications at 25°C.
Refer to Doc 362 “Soldering Surface Mount Components” before soldering.
Pick and
place
material
I
J
I
Terminal wraparound:
approx 0.008/0,20 both ends
Recommended
Suggested
Land Pattern
Land Pattern
A
B
C
D
max max max ref
E
F
G
H
I
J
0.090 0.068 0.060 0.020 0.050 0.016 0.040 0.070 0.040 0.030 inches
2,29 1,73 1,52 0,51 1,27 0,41 1,02 1,78 1,02 0,76 mm
Note: Dimensions are before optional solder application. For maximum
overall dimensions including solder, add 0.0025 in / 0,064 mm to
B
and 0.006 in / 0,15 mm to
A
and
C.
Core material
Ferrite
Terminations
RoHS compliant matte tin over nickel over silver-
platinum-glass frit.
Weight
16.7 – 18.0 mg
Ambient temperature
–40°C to +85°C with
Imax
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
Moisture Sensitivity Level (MSL)
1 (unlimited floor life at <30°C /
85% relative humidity)
Enhanced crush-resistant packaging
2000/7″reel;
Plastic tape: 8 mm wide, 0.23 mm thick, 4 mm pocket spacing,
1.6 mm pocket depth
Document ST781-1
Revised 09/01/11
®
Specifications subject to change without notice.
Please check our website for latest information.
1102 Silver Lake Road
Cary IL 60013
© Coilcraft, Inc. 2011
Phone 800-981-0363
Fax 847-639-1508
E-mail cps@coilcraft.com
Web www.coilcraft-cps.com
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