1206 CHIP INDUCTORS
Chip Inductors for Critical Applications
ST376RAA
■
High SRF and excellent Q values
■
Tight tolerances, many values at 1%
■
31 inductance values from 3.3 to 1200 nH
Inductance
2
(nH)
3.3 @ 100 MHz
6.8 @ 100 MHz
10 @ 100 MHz
12 @ 100 MHz
15 @ 100 MHz
18 @ 100 MHz
22 @ 100 MHz
27 @ 100 MHz
33 @ 100 MHz
39 @ 100 MHz
47 @ 100 MHz
56 @ 100 MHz
68 @ 100 MHz
82 @ 100 MHz
100 @ 100 MHz
120 @ 100 MHz
150 @ 100 MHz
180 @ 50 MHz
220 @ 50 MHz
270 @ 50 MHz
330 @ 50 MHz
390 @ 50 MHz
470 @ 50 MHz
560 @ 35 MHz
620 @ 35 MHz
680 @ 35 MHz
750 @ 35 MHz
820 @ 35 MHz
910 @ 35 MHz
1000 @ 35 MHz
1200 @ 35 MHz
Part
number
1
Percent
tolerance
5
5
5,2
5,2
5,2
5,2
5,2
5,2
5,2
5,2
5,2
5,2,1
5,2,1
5,2,1
5,2,1
5,2,1
5,2,1
5,2,1
5,2,1
5,2,1
5,2,1
5,2,1
5,2,1
5,2,1
5,2,1
5,2,1
5,2,1
5,2,1
5,2,1
5,2,1
5,2,1
Q
min
3
SRF min
4
(MHz)
>5000
4380
3440
2560
2520
2260
2120
1800
1800
1800
1500
1400
1180
1120
1040
1040
920
780
700
630
570
540
500
440
440
410
400
370
350
360
320
DCR max
5
(Ohms)
0.050
0.070
0.080
0.100
0.100
0.100
0.100
0.110
0.110
0.120
0.130
0.140
0.260
0.210
0.260
0.260
0.310
0.430
0.500
0.560
0.620
0.750
1.30
1.34
1.60
1.58
2.20
1.82
2.85
2.80
3.20
Imax
(mA)
900
900
900
900
900
900
900
900
900
900
900
900
600
700
650
620
720
580
550
470
370
370
320
300
270
260
220
240
190
190
170
ST376RAA030JLZ
ST376RAA060JLZ
ST376RAA100JLZ
ST376RAA120_LZ
ST376RAA150_LZ
ST376RAA180_LZ
ST376RAA220_LZ
ST376RAA270_LZ
ST376RAA330_LZ
ST376RAA390_LZ
ST376RAA470_LZ
ST376RAA560_LZ
ST376RAA680_LZ
ST376RAA820_LZ
ST376RAA101_LZ
ST376RAA121_LZ
ST376RAA151_LZ
ST376RAA181_LZ
ST376RAA221_LZ
ST376RAA271_LZ
ST376RAA331_LZ
ST376RAA391_LZ
ST376RAA471_LZ
ST376RAA561_LZ
ST376RAA621_LZ
ST376RAA681_LZ
ST376RAA751_LZ
ST376RAA821_LZ
ST376RAA911_LZ
ST376RAA102_LZ
ST376RAA122_LZ
29 @ 300 MHz
24 @ 300 MHz
31 @ 300 MHz
40 @ 300 MHz
38 @ 300 MHz
50 @ 300 MHz
50 @ 300 MHz
50 @ 300 MHz
55 @ 300 MHz
55 @ 300 MHz
55 @ 300 MHz
55 @ 300 MHz
48 @ 150 MHz
52 @ 150 MHz
55 @ 150 MHz
53 @ 150 MHz
53 @ 150 MHz
53 @ 150 MHz
51 @ 150 MHz
53 @ 150 MHz
30 @ 35 MHz
31 @ 35 MHz
31 @ 35 MHz
31 @ 35 MHz
32 @ 35 MHz
32 @ 35 MHz
32 @ 35 MHz
31 @ 35 MHz
31 @ 35 MHz
32 @ 35 MHz
32 @ 35 MHz
1. When ordering, specify
tolerance, termination
and
testing
codes:
Tolerance:
ST376RAA122JLZ
F
= 1%
G
= 2%
J
= 5%
Termination: L
= Silver-palladium-platinum glass frit.
Special order:
A
= Gold over nickel over moly-mag
S
= Tin-lead (63/37) over silver-platinum-glass frit.
T
= Tin-silver-copper (95.5/4/0.5) over silver-platinum-
glass frit.
P
= Tin-lead (63/37) over tin over nickel over silver-plati-
num-glass frit.
Q
= Tin-silver-copper (95.5/4/0.5) over tin over nickel over
silver-platinum-glass frit.
Testing:
Z
= Unscreened
H
= Group A screening per Coilcraft CP-SA-10001
All screening performed to the document’s latest revision
Custom screening also available
2. Inductance measured using a Coilcraft SMD-A fixture in an Agilent/HP
4286A impedance analyzer or equivalent with Coilcraft-provided correla-
tion pieces.
3. Q measured using an Agilent/HP 4291A impedance Analyzer with an
Agilent/HP 16197 test fixture or equivalents.
4. SRF measured using an Agilent/HP 8753ES network analyzer or
equivalent and a Coilcraft CCF1297 test fixture.
5. DCR measured on a Keithley 580 micro-ohmmeter or equivalent and a
Coilcraft CCF858 fixture.
6. Electrical specifications at 25°C.
Refer to Doc 362 “Soldering Surface Mount Components” before soldering.
®
Document ST104-1 Revised 05/16/17
1102 Silver Lake Road
Cary, IL 60013
Phone 800-981-0363
Fax 847-639-1508
Email cps@coilcraft.com
www.coilcraft-cps.com
This product may not be used in medical or high
risk applications without prior Coilcraft approval.
Specifications subject to change without notice.
Please check our web site for latest information.
© Coilcraft, Inc. 2017
1206 CHIP INDUCTORS
ST376RAA Series (1206)
Typical Q vs Frequency
120
110
100
90
80
15 nH
3.3 nH
Typical L vs Frequency
10000
1200 nH
1000
560 nH
150 nH
100
47 nH
18 nH
10
3.3 nH
33 nH
150 nH
Q Factor
70
60
50
40
30
20
10
0
10
680 nH
330 nH
Inductance (nH)
1
100
1000
10000
1
10
100
1000
Frequency (MHz)
Core material
Ceramic
Terminations
Silver-palladium-platinum-glass frit. Other termina-
tions available at additional cost.
Weight:
19.5 – 23.0 mg
Ambient temperature
–40°C to +125°C with
Imax
current
Maximum part temperature
+140°C (ambient + temp rise).
Storage temperature
Component: –55°C to +140°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
Temperature Coefficient of Inductance (TCL)
+25 to +155 ppm/°C
Moisture Sensitivity Level (MSL)
1 (unlimited floor life at <30°C /
85% relative humidity)
Enhanced crush-resistant packaging
2000 per 7″ reel
Plastic tape: 8 mm wide, 0.3 mm thick, 4 mm pocket spacing,
1.6 mm pocket depth
E
terminal
F
A
Frequency (MHz)
B
overall
F
G
C
D
Pick and
place
material
I
J
I
H
Terminal wraparound:
approx 0.015/0,38 both ends
(Not present on gold terminations.)
Recommended
Land Pattern
H
1,93
I
1,02
J
1,78
A max B max
0.140
3,56
0.085
2,16
C max
0.060
1,52
D ref
0.020
0,51
E
0.056
1,42
F
0,51
G
2,03
0.020 0.080 0.076 0.040 0.070
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.
®
Document ST104-2 Revised 05/16/17
1102 Silver Lake Road
Cary, IL 60013
Phone 800-981-0363
Fax 847-639-1508
Email cps@coilcraft.com
www.coilcraft-cps.com
This product may not be used in medical or high
risk applications without prior Coilcraft approval.
Specifications subject to change without notice.
Please check our web site for latest information.
© Coilcraft, Inc. 2017
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