306 E. Alondra Blvd. Gardena, CA 90247-1059 • Phone (310) 515-1720 • FAX (310) 515-1962
wwww.jwmiller.com
22.4
High Current RF Chokes
Special Features
• Very high current capacity
• Low DCR
• Epoxy coated ferrite bobbin core
• VW-1 rated shrink tubing to cover winding
• Self-leaded
• Fixed lead spacing
• Center hole for mechanical mounting
• Dielectric withstanding voltage:
2500VRMS terminal to shrink tube cover;
1000VRMS terminal to core
• Operating temperature -55 to +105°C
Notes
* Rated current to cause 50°C max. temperature
rise and 5% max. inductance drop
1140 Series
Part
Number
L (µH)
±20%
@ 1KHz
DCR
Ω
Max.
I, dc*
(A)
Dim.
C
Approx.
Dim.
D
Nom.
1140-1R8M 1.8 0.002 27 1.11 0.081
1140-2R2M 2.2 0.002 27 1.11 0.081
1140-2R7M 2.7 0.003 27 1.11 0.081
1140-3R3M 3.3 0.003 27 1.11 0.081
1140-3R9M 3.9 0.003 27 1.11 0.081
1140-4R7M 4.7 0.003 27 1.11 0.081
1140-5R6M 5.6 0.004 27 1.11 0.081
1140-6R8M 6.8 0.004 27 1.15 0.081
1140-8R2M 8.2 0.004 27 1.15 0.081
± 10%
1140-100K 10 0.005 27 1.15 0.081
1140-120K 12 0.005 27 1.15 0.081
1140-150K 15 0.006 27 1.15 0.081
1140-180K 18 0.008 27 1.15 0.081
1140-220K 22 0.009 21 1.15 0.081
1140-270K 27 0.010 21 1.15 0.081
1140-330K 33 0.011 21 1.15 0.072
1140-390K 39 0.012 21 1.15 0.072
1140-470K 47 0.018 14.4 1.15 0.072
1140-560K 56 0.019 14.4 1.15 0.064
1140-680K 68 0.021 14.4 1.15 0.064
1140-820K 82 0.023 14.4 1.15 0.064
1140-101K 100 0.025 14.4 1.15 0.064
1140-121K 120 0.028 14.4 1.15 0.057
1140-151K 150 0.040 11.4 1.15 0.057
1140-181K 180 0.045 11.4 1.15 0.057
1140-221K 220 0.050 11.4 1.15 0.051
1140-271K 270 0.056 11.4 1.15 0.051
1140-331K 330 0.074 11.4 1.15 0.051
1140-391K 390 0.082 9 1.15 0.045
1140-471K 470 0.114 7.2 1.15 0.045
1140-561K 560 0.125 7.2 1.15 0.040
1140-681K 680 0.139 7.2 1.15 0.040
1140-821K 820 0.154 7.2 1.15 0.040
1140-102K 1000 0.216 5.5 1.15 0.040
1140-122K 1200 0.232 5.5 1.14 0.036
1140-152K 1500 0.324 4.5 1.14 0.036
1140-182K 1800 0.360 4.5 1.14 0.036
1140-222K 2200 0.494 4 1.10 0.032
1140-272K 2700 0.555 4 1.12 0.032
1140-332K 3300 0.773 2.8 1.10 0.029
1140-392K 3900 0.845 2.8 1.10 0.029
1140-472K 4700 1.14 2 1.12 0.029
1140-562K 5600 1.60 2 1.09 0.025
1140-682K 6800 1.76 1.6 1.12 0.025
1140-822K 8200 1.95 1.6 1.09 0.023
1140-103K 10,000 2.76 1.3 1.11 0.023
1140-123K 12,000 3.04 1.3 1.08 0.020
1140-153K 15,000 3.39 1.3 1.10 0.020
Also available as RoHS compliant.
D (Dia)
Lead tinned
to within 1/8"
of body
1.03
Max.
C
0.5
Max.
0.18
Dimensions: Inches
1.5
