®
© Coilcraft, Inc. 2013
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.
Chip Inductors for Critical Applications ST235RAG
0402 CHIP INDUCTORS
Document ST526-1 Revised 06/13/13
Core material Ceramic
Terminations RoHS compliant silver-palladium-platinum-glass frit.
Other terminations available at additional cost.
Weight 0.7 – 1.0 mg
Ambient temperature –40°C to +125°C with Imax current, +125°C
to +140°C with derated current
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 +125 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, 0.66 mm thick,
2 mm pocket spacing
■ Higher Q and lower DCR than other 0402 inductors
■ Very high SRF values – as high as 16 GHz
■ Excellent current handling capability – up to 2300 mA
■ 39 inductance values from 1.0 to 40 nH
Typical L vs Frequency Typical Q vs Frequency
Current Derating
A
B
overall
C
D
I
I
J
F
F
G
H
Suggested
Land Pattern
E
terminal Te rminal wraparound:
approx 0.007/0,18 both ends
D E F G H I J
0.010 0.020 0.008 0.024 0.026 0.014 0.020 inches
0,25 0,51 0,20 0,61 0,66 0,36 0,51 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.
A max B C max
0.045 0.020 – 0.028 0.024 inches
1,14 0,51 – 0,71 0,61 mm
-40 -20 020406080100 140120
Ambient temperature (°C)
120
110
100
90
80
70
60
50
40
30
20
10
0
Percent of rated rmsI
25°C
5.6 nH
39 nH
27 nH
11 nH
2.0 nH
19 nH
0
40
35
25
30
20
15
10
5
45
50
Inductance (nH)
110 100 1000 10000
Frequency (MHz)
0
60
50
40
30
20
10
70
80
90
100
110
120
Q Factor
110 100 1000 10000
Frequency (MHz)
5.6 nH
39 nH
27 nH
11 nH
2.0 nH
19 nH
ST235RAG Series (0402)
®
© Coilcraft, Inc. 2013
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.
0402 CHIP INDUCTORS
Inductance2 Percent Test freq Q min at 900 MHz 1.7 GHz SRF min4
DCR max5 Imax
Part number1 (nH) tolerance (MHz) test freq L typ Q typ3 L typ Q typ3 (GHz) (Ohms) (mA)
ST235RAG1N0JLZ 1.0 5 250 18 0.97 46 0.99 72 >5.00 0.030 700
ST235RAG2N0JLZ 2.0 5 250 21 1.96 58 1.98 85 >5.00 0.038 700
ST235RAG2N2JLZ 2.2 5 250 24 2.17 60 2.17 86 >5.00 0.038 700
ST235RAG2N4_LZ 2.4 5,2 250 26 2.37 60 2.38 83 >5.00 0.042 700
ST235RAG2N7_LZ 2.7 5,2 250 18 2.66 62 2.68 85 >5.00 0.090 510
ST235RAG3N3_LZ 3.3 5,2 250 26 3.26 66 3.28 95 >5.00 0.045 700
ST235RAG3N6_LZ 3.6 5,2 250 31 3.56 65 3.58 94 >5.00 0.045 700
ST235RAG3N9_LZ 3.9 5,2 250 31 3.87 64 3.91 98 >5.00 0.045 700
ST235RAG4N3_LZ 4.3 5,2 250 25 4.26 63 4.33 90 >5.00 0.055 700
ST235RAG4N7_LZ 4.7 5,2 250 24 4.67 58 4.74 83 >5.00 0.085 700
ST235RAG5N1_LZ 5.1 5,2 250 18 5.07 54 5.16 76 >5.00 0.125 510
ST235RAG5N6_LZ 5.6 5,2 250 29 5.56 73 5.66 105 4.70 0.055 700
ST235RAG6N2_LZ 6.2 5,2 250 27 6.18 73 6.25 100 4.20 0.055 700
ST235RAG6N8_LZ 6.8 5,2 250 27 6.78 68 6.97 94 4.00 0.070 700
ST235RAG7N5_LZ 7.5 5,2 250 23 7.49 60 7.77 82 3.80 0.100 690
ST235RAG8N2_LZ 8.2 5,2 250 27 8.10 68 8.40 95 3.80 0.065 700
ST235RAG8N7_LZ 8.7 5,2 250 26 8.73 66 9.04 95 3.40 0.070 700
ST235RAG9N0_LZ 9.0 5,2 250 30 8.99 67 9.21 92 3.60 0.080 700
ST235RAG9N5_LZ 9.5 5,2 250 25 9.52 64 9.97 90 3.40 0.090 700
ST235RAG10N_LZ 10 5,2 250 24 9.98 62 10.4 90 3.20 0.110 700
ST235RAG11N_LZ 11 5,2 250 27 11.0 68 11.6 98 3.20 0.065 700
ST235RAG12N_LZ 12 5,2 250 27 12.0 66 12.6 100 3.00 0.100 700
ST235RAG13N_LZ 13 5,2 250 23 13.1 62 13.9 82 2.95 0.155 600
ST235RAG15N_LZ 15 5,2 250 25 15.1 62 16.0 85 2.70 0.115 700
ST235RAG16N_LZ 16 5,2 250 26 16.2 57 17.3 77 2.55 0.150 580
ST235RAG18N_LZ 18 5,2 250 25 18.2 58 19.5 74 2.40 0.125 650
ST235RAG19N_LZ 19 5,2 250 25 19.2 61 20.7 88 2.20 0.150 600
ST235RAG20N_LZ 20 5,2 250 24 20.3 58 22.0 76 2.15 0.185 520
ST235RAG22N_LZ 22 5,2 250 26 22.3 60 24.4 74 1.80 0.165 570
ST235RAG23N_LZ 23 5,2 250 25 23.3 60 25.5 77 1.75 0.165 520
ST235RAG24N_LZ 24 5,2 250 25 24.5 55 27.1 71 1.75 0.210 480
ST235RAG25N_LZ 25 5,2 250 24 25.5 57 28.3 73 1.75 0.260 440
ST235RAG26N_LZ 26 5,2 250 24 26.6 56 29.3 74 1.75 0.290 440
ST235RAG27N_LZ 27 5,2 250 24 27.3 62 29.5 86 1.75 0.350 340
ST235RAG30N_LZ 30 5,2 250 25 30.8 61 35.0 87 1.75 0.350 340
ST235RAG33N_LZ 33 5,2 250 25 34.0 61 38.3 80 1.65 0.310 340
ST235RAG36N_LZ 36 5,2 250 25 37.1 59 42.2 76 1.65 0.390 320
ST235RAG39N_LZ 39 5,2 250 25 40.5 56 47.0 84 1.65 0.420 320
ST235RAG40N_LZ 40 5,2 250 24 41.3 56 47.4 75 1.65 0.420 320
1. When ordering, specify tolerance, termination and testing codes:
ST235RAGR10GLZ
Tolerance: G = 2% J = 5%
Termination: L = RoHS compliant silver-palladium-platinum-glass frit.
Special order:
T = RoHS tin-silver-copper (95.5/4/0.5) over silver-
palladium-platinum-glass frit
S = non-RoHS tin-lead (63/37) over silver-palladium-
platinum-glass frit.
R = Tin over nickel over silver-platinum-glass frit.
Q = RoHS tin-silver-copper (95.5/4/0.5) over tin over
nickel over silver-platinum-glass frit.
P = non-RoHS tin-lead (63/37) over tin over nickel over
silver-platinum-glass frit.
Testing: Z = COTS
H = Group A screening per Coilcraft CP-SA-10001
2. Inductance measured at 250 MHz using a Coilcraft SMD-F fixture in
an Agilent/HP 4286A impedance analyzer or equivalent with Coilcraft-
provided correlation pieces.
3. Q measured using an Agilent/HP 4291A with an Agilent/HP 16197 test
fixture or equivalents.
4. SRF measured using an Agilent/HP 8753ES network analyzer or
equivalent and a Coilcraft CCF1232 test fixture.
5. DCR measured on a Keithley 580 micro-ohmmeter and a Coilcraft
CCF1192 test fixture.
6. Electrical specifications at 25°C.
Refer to Doc 362 “Soldering Surface Mount Components” before soldering.
Document ST526-2 Revised 06/13/13
