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MCH38FM221J-Y Datasheet(PDF) 1 Page - Cornell Dubilier Electronics |
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MCH38FM221J-Y Datasheet(HTML) 1 Page - Cornell Dubilier Electronics |
1 / 6 page Types MCH and MCHN Multilayer High RF Power Capacitors CDE Cornell Dubilier • 1605 E. Rodney French Blvd. • New Bedford, MA 02744 • Phone: (508)996-8561 • Fax: (508)996-3830 • www.cde.com Highlights No thermal cracking FR4 compatible and wave solderable Extremely high Q above 50 MHz Nonmagnetic option available Ultra stable: no change with (t), (V) and (f) Excellent for tuning and impedance matching High flashover level Withstands 2 mm bend test Better than porcelain • • • • • • • • • Specifications Capacitance and Voltage Ratings: Capacitance Tolerance: Temperature Range: Case Size: Temperature Characteristics: 2500 & 4000 Volt RF Capacitors for Medical Imaging Coils, Plasma Generators, VHF/UHF Power Amplifiers and Antenna Tuning with Nonmagnetic Option 10 – 220 pF at 4kVdc and 270 – 1000 pF at 2500 Vdc (other ratings available) ±5% standard (±2% available) –55 ºC to +125 ºC (with no voltage derating) 3838 (9.7 x 9.7 mm) Temp. Coefficient Cap Drift 0 to +50 ppm/ºC ±(0.05%+0.1 pF) Applications MRI Coils RF Ablation Systems Transmitters RF Generators Antenna Tuning Lasers RF Power Amplifiers MRI Generators • • • • • • • • Engineering Design Kits MCH2500VKIT8, MCH4000VKIT10 Nonmagnetic MCHN2500VKIT9, MCHN4000VKIT11 2500 V kits 5 each of 8 values 270 to 1000 pF 4000 V kits 5 each of 10 values 10 – 220 pF ������������������������������������������������������������������������������������������������������������������������������������ ������������������������������������������� � � ����������������� Terminal Resin Coating Glass Sn Plating Ni Electrode: Type MC Cu Electrode: Nonmagnetic Type MCN Conductive Resin Ag Electrode Mica ������������������������������������������������������ Hand Soldering Method SnAgCu recommended solder Do not use strong acid type flux with RM or RMA Soldering iron tip temperature should be 250 ºC to 280 ºC ≤ 5 sec. 60 Watt iron or less • • • • Solder Solder Tip of iron Good Bad Capacitor 300 250 200 150 100 50 25 150 180 200 50 30 0 220 ~260 ºC Pre-heat Soldering Cooling Peak 230~260 ºC 10 sec. max. Time (sec) Reflow Solder Profile 70 80 90 20 10 0 Time (sec) 300 250 200 150 100 50 25 220 ~255 ºC Peak 230 ~255 ºC 5 sec. max. Pre-heat Soldering Cooling Wave Solder Profile The flexible aluminum silicate dielectric eliminates cracking and permits soldering to 260 °C. These high voltage, RF capacitors need no voltage derating at temperatures up to 125 ºC and voltages to 4000 Vdc. Exceptionally low ESR and superior thermal qualities set the MCH/MCHN chip capacitors apart from ordinary RF capacitors. High Q, Low ESR Multilayer Construction for RF Power Applications RoHS Compliant 1 |
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