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LEADED CAPACITORS, NETWORKS & HV CAPACITORS HIGH VOLTAGE/POWER CAPACITORS 3.5kV to 42kV
These units are designed for such applications as high frequency heating equipment to which high frequency power or high DC or AC voltage is applied.
DCT & DAT Series
APPLICATIONS
s Oscillator matching, coupling or bypass circuits in broadcast or radio communication equipment, etc. s Oscillators, coupling circuit or bypass capacitors in industrial or medical high frequency appliances such as high frequency heating equipments or ultra-sonic instruments. s Coupling capacitors for transmission lines and carrier frequency equipment.
FEATURES
s Small size and high capacitance s Linear and reversible temperature characteristics s Very high "Q" and high insulation resistance from low to high frequencies s No performance deterioration after extended life - excellent humidity and thermal resistance s Low series inductance and operable to high frequencies s Large power capability in small packages due to low dielectric loss when high voltage and high frequency is applied
LEADED CAPACITORS NETWORKS, AND HV CAPACITORS
CONSTRUCTION
DAT Series
Terminal Ceramic Ceramic Silver Electrode
DCT Series
Terminal Silver Electrode
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Humidity Proof Insulating Resin Humidity Proof Insulating Resin
PART NUMBERING SYSTEM
DCT200 UJ 510 K HF30K
TYPE DAT DCT
TEMPERATURE CHARACTERISTICS Code UJ CH AH Temp. Coeff. -750 120ppm/C 0 60ppm/C +100 60ppm/C
CAPACITANCE Code 500 501 102 202 252 Cap. Value 50pF 500pF 1000pF 2000pF 2500pF
CAPACITANCE TOLERANCE Code K Cap. Tol. 10%
RATED VOLTAGE
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LEADED CAPACITORS, NETWORKS & HV CAPACITORS HIGH VOLTAGE/POWER CAPACITORS 3.5kV to 42kV
DIMENSIONS: mm
DAT Series DCT Series
DCT & DAT Series
D c c
D c
D
T
H
T
H
T h d
H
h d d
h
Fig. 1
DIM: mm c DAT40 4.0 10.0 8.0 M4 DAT60 6.0 12.0 8.0 M6 DAT80 6.0 18.0 8.0 M6
Fig. 2
TYPE DCT40 4.0 10.0 8.0 M4 DCT60 6.0 12.0 8.0 .com M6 DCT80 6.0 18.0 8.0 M6
Fig. 3
DCT110 8.0 17.0 15.0 M8 DCT140 8.0 21.0 15.0 M8 DCT160 8.0 21.0 15.0 M8 DCT200 10.0 34.90 20.0 M10
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d h Thread Size
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Note: Other dimensions are on following page.
SPECIFICATIONS
Char. Cap. Tolerance (at 20C) 10% 10% 10% Q (at 1MHz) 5 x 10 -4 max. (Q > 2,000) 5 x 10 -4 max. (Q > 2,000) 5 x 10 -4 max. (Q > 2,000) I.R. (M Ohms) 10,000 min. 10,000 min. 10,000 min. Temp. Rise (at 1MHz) 30C max. 30C max. 30C max. Cap. Temp. Coeff. (-750 120) x10 -6/C (0 60) x10 -6/C (+100 60) x10 -6/C Operating Temp. Range -10 to +75C -10 to +75C -10 to +75C
UJ CH AH
MARKING
INSULATION COATING
Type Normal capacitance and tolerance Rated voltage (H.F.) Rated voltage (DC) Rated power capacity Prod. lot no. Manufacturer identification
Capacitor surface is coated with insulating resin except terminals. Temp. coefficient is shown by the following color marking. UJ: Green, CH: Orange, AH: Blue.
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LEADED CAPACITORS, NETWORKS & HV CAPACITORS HIGH VOLTAGE/POWER CAPACITORS 3.5kV to 42kV SPECIFICATIONS
Rated Voltage (kV) Part Number Cap. (pF) 500 1000 1500 500 600 800 1000 1500 300 400 500 1000 1500 2500 300 500 600 800 1000 100 200 300 500 50 200 300 1000 1500 500 1000 300 500 300 100 200 100 200 100 R.F. Peak Value 30 30 25 30 30 30 25 15 30 30 16 10 9 7 16 14 9 7 7 14 14 12 6 12 6 6 2 2 2 2 2 2 36 31.5 27 22.5 22.5 16 DC 25 25 21 25 25 25 21 13 25 25 13 8 7 6 13 12 8 6 6 12 12 10 5 Rated Allowable Power (kVA) 300 300 110 90 90 90 90 90 90 90 30 30 22 22 30 15 15 15 15 15 15 7.5 7.5 Allowable Max. Current (A) 60 60 40 35 35 35 35 35 27 27 27 27 27 27 20 20 20 20 20 15 15 15 15
DCT & DAT Series
Fig.
Dimensions: mm D 10% 200 200 160 140 140 140 140 140 110 110 110 110 110 110 80 80 80 80 80 60 60 60 60 40 40 40 80 80 60 60 40 40 160 140 140 110 110 80 T 2.0 33 33 29 25 25 25 22 19 27 27 19 17 16 15 18 16 14 12 14 16 16 15 12 15 11 9.5 31 31 31 31 21 21 29 26 24 22 22 17 H 2.0 73 73 49 53 53 53 50 47 53 53 47 45 44 43 33 31 29 28 28 27 27 26 24 29 25 24 27 27 23 23 24 23 49 52 49 46 46 32 2 1 2
DCT200UJ501KHF30K DCT200UJ102KHF30K DCT160UJ152KHF25K DCT140UJ501KHF30K DCT140UJ601KHF30K DCT140UJ801KHF30K DCT140UJ102KHF25K DCT140UJ152KHF15K DCT110UJ301KHF30K DCT110UJ401KHF30K DCT110UJ501KHF16K DCT110UJ102KHF10K DCT110UJ152KHF9K DCT110UJ252KHF7K DCT80UJ301KHF16K DCT80UJ501KHF14K DCT80UJ601KHF9K DCT80UJ801KHF7K DCT80UJ102KHF7K DCT60UJ101KHF14K DCT60UJ201KHF14K DCT60UJ301KHF12K DCT60UJ501KHF6K DCT40UJ500KHF12K DCT40UJ201KHF6K DCT40UJ301KHF6K DAT80UJ102KHF2K DAT80UJ152KHF2K DAT60UJ501KHF2K DAT60UJ102KHF2K DAT40UJ301KHF2K DAT40UJ501KHF2K DCT160CH301KHF36K DCT140CH101KHF31.5K DCT140CH201KHF27K DCT110CH101KHF22.5K DCT110CH201KHF22.5K DCT80CH101KHF16K
LEADED CAPACITORS NETWORKS, AND HV CAPACITORS
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10 6 10 5 4.5 10 .com 10 5 4.5 6 6 6 6 3.5 3.5 42 37 32 26 26 19 7 7 5 5 2.2 2.2 225 135 135 67.5 67.5 30 18 18 14 14 8.5 8.5 40 35 35 27 27 20
3
CAUTION
For DCT80 thru DCT160 styles, there are two different versions: DCT140 : tapped terminals DCT140-3 : tripod terminals with tapped hole. (Contact your local Murata Electronics Sales Office.)
Tapped terminals are suitable in cases where banks of capacitors (series-parallel connection) are required. When operating at frequency above 3MHz, it is advisable to use DCT140-3 style because of the improved current distribution of tripod terminals.
1: 0.50
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LEADED CAPACITORS, NETWORKS & HV CAPACITORS HIGH VOLTAGE/POWER CAPACITORS 3.5kV to 42kV SPECIFICATIONS
CHARACTERISTICS
Temperature Coefficient
2 Capacitance change (%) AH 1 Temp. Rise (C) 0 -1 -2 -3 -4 UJ -5 -6 0 10 20 30 40 50 60 70 80 90 100 0 CH 60 40
DCT & DAT Series
Power Capacity vs. Temperature Rise
20 Ambient temp. 50C Frequency 1MHz 100 200 300
Temperature (C)
Power Capacity (kVA) DCT 140UJ152KHF15K DCT 140UJ102KHF25K
Temperature Rise vs. Time
60 Temp. Rise Value (C) 50 180kVA 40 135kVA 30 20 10 90kVA DCT 140UJ152KHF15K Ambient temp. 50C Frequency 1MHz 200kVA
Temperature Rise in Load Current
100
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Temp. Rise (C)
10
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Ambient Temp. 70
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1 0 1 2 3 Time (H) 4 5 6
3
10 Frequency (MHz)
30
DCT 140CH201KHF27K Load current 35A DCT 110CH201KHF22.5K Load current 27A
Temperature Rise and tan vs. Ambient Temperature of Capacitor
Temp. Rise (C) 14 12 10 9 8 7 6 0 20 40 60 80 100 120 140
Temperature Rise and tan
Temp. Rise (C) 100 50 10 5 1 103 104 105
vs. Frequency
106
107
108
109
Frequency (Hz) 100 50 10 5 1 0.1 103 104 105 106 107 108 109
Ambient Temp. of Capacitor (C) 4 (x10 -4 ) 3 (x10 -4 ) 0 20 40 60 80 100 120 140 tan
tan
2
Frequency (Hz) DCT 80UJ201KHF16K Load Power 20kVA DCT 80AH500KHF22K Load Power 20kVA DCT 110CH201KHF22.5K Load Power 45kVA
Ambient Temp. of Capacitor (C) DCT 140UJ102KHF25K Load Power 60kVA DCT 160CH501KHF22.5K Load Power 150kVA Frequency 1MHz
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LEADED CAPACITORS, NETWORKS & HV CAPACITORS HIGH VOLTAGE/POWER CAPACITORS 3.5kV to 42kV SPECIFICATIONS
SPECIFICATIONS
Capacitance The capacitance shall remain within the specified tolerance when measured at 20C and at 1MHz 100kHz with not more than 5Vrms. (For capacitors with the ZM characteristic, the measurement is performed at 1kHz 100Hz with not more than 5Vrms.) Q and tan
UJ, CH, AH, SL
DCT & DAT Series
When operating the capacitors at an ambient temperature of 50C or more, reduce the load power according to Fig. 1 and the formula given below: WLT: K1 x W WLT: Permissible power at an ambient temperature TC (kVA) W : Rated power capacity (kVA) K1 : Load power reduction factor
LEADED CAPACITORS NETWORKS, AND HV CAPACITORS
Char. UJ CH AH ZM
Q 2000 min. 2000 min. 2000 min.
Load Power Reduction Factor K1
The values of Q shall be as shown below when measured at 20C and at 1MHz 100kHz with not more than 5Vrms.
1.0
0.8
0.6
0.4
0.2 0 50 60 70 80 90 100 Ambient Temp. T (C)
The value of tan shall be max 0.01 when measured at 20C and at 1kHz 100Hz with not more than 5Vrms. Insulation Resistance The insulation resistance shall be 10,000M ohms or more when 1kVDC voltage is applied between terminals for 1 min. 5 sec.
Fig. 1 Reduction Load Power When subjecting the capacitors to forced-air cooling, avoid cooling locally; this may lead to uneven temperature distribution in the capacitors, resulting in ruptured capacitors.
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Withstanding Voltage There shall be now damage when the test voltage (peak value/ 2 ) of 100kHz to 1MHz is applied between terminals for 1min. 5 sec.
.com capacitor surface from waterdrops or dust which Protect the
may cause corona discharge or flashover. When mounting the capacitors on equipment, be sure to mount them within the torque strength values shown in the table below:
Type DAT30 DAT40 DAT60 DAT80 DAT110 DCT30 DCT40 DCT60 DC, DCT80 DC, DCT110 DC, DCT140 DCT160 DCT200 Max. Tightening Torque (kgf *cm) 12 12 25 25 50 12 12 25 25 50 50 50 100
Temperature Coefficient The changes in capacitance shall be within the ranges shown below over a temperature range of +20C to +85C, with the value at 20C being the reference. Measurement conditions are same as the capacitance.
Char. UJ CH AH ZM Temp. Coeff. (-750 120) ppm/C (0 60) ppm/C (+100 60) ppm/C (-4700 1000) ppm/C
Power Capacity The temperature rise at the terminals shall be as shown below when measured at a frequency of 1MHz with the specified rated power capacity applied and after the temperature at each section has stabilized.
Allowable Temp. Rise 30C max.
NOTICE Avoid subjecting the capacitors to undue shock such as dropping, etc., as it may cause cracking to the ceramic. Avoid carrying the capacitors mounted because unnecessary vibration or shock can lead to degradation in terminal strength and cracking of the ceramic. Avoid installing the capacitors with only one side mounted .com as it may lead to degradation in terminal strength.
PRECAUTION When using the capacitors, strictly observe the rated voltage, current and power. Continued overload use may result in the following failures: Ceramic cracking Flashover takes place over the surface, leading to a fire hazard. The ceramic may produce abnormal heat (200C or more) if the ceramic incurs feedthrough damage with resultant overcurrent flowing through.
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