Toroidal Chokes for Class D Amplifiers
ctparts.com
CTCDT Series
From 4.7 µH to 56 µH
Not shown at actual size.
CHARACTERISTICS
Description: Toroidal Chokes for Class D amplifiers Applications: Powered Loudspeakers, electronic motor drives, portable amps, PA systems & car amps. Testing: Inductance tested at 10kHz, 10 gauss, 0Adc Winding: Single layer wound for high self-resonant frequency Core: 10 permeability Carbonyl Micrometals© Core Packaging: Bulk packaged Additional Information: * ΔL of less than 10% at currents greater than 100A * Class-D Operation 250kHz - 500kHz * High Linearity Under Peak Bias Conditions * Extremely Low Loss Under Typical Class-D ripple Current Conditions * Reduced THD Due to Highest Linearity * Custom values & horizontal mounted configurations available upon request. Note: Application should limit long term absolute temperature of component to be 75°C max. Miscellaneous: RoHS Compliant. Samples available. See website for ordering information.
Compliant
RoHS
SPECIFICATIONS
Part Number
CTCDT CTCDT CTCDT CTCDT CTCDT CTCDT CTCDT CTCDT CTCDT CTCDT CTCDT CTCDT CTCDT CTCDT CTCDT CTCDT CTCDT CTCDT CTCDT CTCDT CTCDT CTCDT CTCDT CTCDT CTCDT CTCDT CTCDT CTCDT 09401 09402 09503 09404 09405 09406 09407 10601 10602 10603 10604 10605 10606 10607 13001 13002 13003 13004 13005 13006 13007 15401 15402 15403 15404 15405 15406 15407
Closest Standard Value μHy
4.7 6.8 10.0 12.0 15.0 18.0 22.0 4.7 6.8 10.0 12.0 15.0 18.0 22.0 4.7 6.8 10.0 12.0 15.0 18.0 22.0 18.0 22.0 27.0 33.0 39.0 47.0 56.0
Nominal Initial Inductance (O ADC) μHy (±7%)
4.84 6.59 10.3 12.1 14.8 17.8 21.8 4.87 6.53 9.84 12.2 14.7 18.5 21.6 4.85 6.88 9.9 12.0 15.1 17.6 22.3 18.1 22.4 27.1 33.6 39.3 47.1 55.6
DC Resistance (ref., 20°C.) :
0.011 0.015 0.029 0.036 0.040 0.064 0.072 0.009 0.012 0.018 0.025 0.028 0.039 0.050 0.008 0.009 0.011 0.015 0.022 0.027 0.036 0.020 0.022 0.030 0.040 0.045 0.062 0.085
Long Term r.m.s. current guideline Amperes r.m.s.
8.6 6.8 4.3 3.4 3.4 2.1 2.1 10.9 8.6 6.8 5.4 5.4 4.3 3.4 13.7 13.7 13.7 10.9 8.6 6.8 5.4 10.9 10.9 8.6 6.8 6.8 5.4 4.3
Peak Current for 5% Inductance Drop Amperes peak
35.8 30.7 24.6 22.6 20.5 18.7 16.9 49.2 42.5 34.6 31.2 28.3 25.3 23.4 56.8 47.7 39.7 36.1 32.2 29.8 26.5 40.4 36.4 33.1 29.7 27.4 25.1 23.1
Peak Current for 10% Inductance Drop Amperes peak
75.6 64.8 51.9 47.8 43.2 39.5 35.6 103.8 89.7 73.1 65.8 59.8 53.3 49.3 119.9 100.7 83.9 76.3 68.0 62.9 55.9 85.3 76.8 69.8 62.7 57.9 52.9 48.7
Core Loss (typ.) at
100 kHz, 140 Gauss
Core Loss (typ.) at
500 kHz, 50 Gauss
41 mW
26 mW
57 mW
36 mW
110 mW
70 mW
204 mW
129 mW
05.07.09
CENTRAL
Manufacturer of Passive Components 800-684-5322 Inside US 949-453-1811 Outside US
Copyright © 2009 by CT Magnetics, DBA Central Technologies. All rights reserved. CT Magnetics reserves the right to make improvements or change specifications without notice
TECHNOLOGIES
Toroidal Chokes for Class D Amplifiers
PHYSICAL DIMENSIONS
Outside Diameter (maximum) Inches
1.125 1.125 1.1 1.07 1.07 1.05 1.05 1.25 1.25 1.25 1.22 1.22 1.21 1.21 1.52 1.52 1.52 1.5 1.5 1.49 1.48 1.79 1.79 1.78 1.77 1.77 1.75 1.73
ctparts.com
Part Number
CTCDT CTCDT CTCDT CTCDT CTCDT CTCDT CTCDT CTCDT CTCDT CTCDT CTCDT CTCDT CTCDT CTCDT CTCDT CTCDT CTCDT CTCDT CTCDT CTCDT CTCDT CTCDT CTCDT CTCDT CTCDT CTCDT CTCDT CTCDT 09401 09402 09503 09404 09405 09406 09407 10601 10602 10603 10604 10605 10606 10607 13001 13002 13003 13004 13005 13006 13007 15401 15402 15403 15404 15405 15406 15407
Width (maximum) Inches
0.47 0.46 0.45 0.43 0.43 0.4 0.4 0.62 0.62 0.62 0.6 0.6 0.59 0.58 0.66 0.66 0.66 0.63 0.63 0.62 0.62 0.79 0.79 0.78 0.75 0.75 0.74 0.73
Lead Space Dimension Inches
0.41 0.4 0.38 0.38 0.38 0.37 0.37 0.54 0.54 0.52 0.52 0.52 0.52 0.52 0.59 0.59 0.59 0.59 0.57 0.56 0.56 0.69 0.69 0.69 0.67 0.67 0.67 0.66
Lead Diameter Inches
0.052 0.047 0.037 0.033 0.033 0.026 0.026 0.058 0.052 0.047 0.042 0.042 0.037 0.033 0.066 0.066 0.066 0.058 0.052 0.047 0.042 0.058 0.058 0.052 0.047 0.047 0.042 0.037
Outside Dia.
Width
0.375" from mounting plane
Lead Dia.
Lead Space
CENTRAL
Manufacturer of Passive Components 800-684-5322 Inside US 949-453-1811 Outside US
Copyright © 2009 by CT Magnetics, DBA Central Technologies. All rights reserved. CT Magnetics reserves the right to make improvements or change specifications without notice
TECHNOLOGIES
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