JIMSON ELECTRONICS (XIAMEN) CO.,LTD. - MPC Series Capacitors

Product Overview: The JIMSON MPC series capacitors are designed with non-inductive construction and self-healing properties, offering high moisture resistance and excellent physical and environmental adaptability. They are suitable for filtering and noise suppression circuits, pulse, logic, and timing circuits, as well as DC-blocking, by-passing, and signal coupling in communication equipment. These capacitors are also widely used in power electronic equipment for absorbing peak voltage and current during the switching of devices.

Product Attributes

• Brand: JIMSON (JS)
• Origin: Xiamen, China
• Dielectric Material: Polypropylene film
• Electrodes: Vacuum evaporated metal
• Coating: Reinforced flame retardant plastic case sealed with epoxy resin (UL94V-0)
• Leads: Radial leads of tinned wire/insulation flexible wire
• Terminal Contact: Electrically welded (Arc spot welding)
• Marking Method: UV ink or laser engraving

Technical Specifications

General Technical Specifications

Application Scenarios

• Filtering and noise suppression circuits
• Pulse, logic, and timing circuits
• DC-blocking, by-passing, and signal coupling in general communication equipment
• Absorption protection for peak voltage and peak current in power electronic equipment switching devices

Marking

• Individual Capacitor: Rated capacitance (e.g., 103), Rated voltage (e.g., 2000VDC), Capacitance tolerance (e.g., J), Manufacturer's symbol (JIMSON / JS)
• Package Label: Product model, rated capacitance and voltage, production date, factory location, manufacturer's name

Important Terminology Explanations

• Rated Capacitance: Expressed by a three-digit number (e.g., 224 = 220,000pF or 0.22uF). Unit: pF. 1F=1,000mF=1,000,000uF=1,000,000,000nF=1,000,000,000,000pF.
• Capacitance Tolerance: Percentage deviation of actual capacitance from rated capacitance. Symbols: F=1%, G=2%, J=5%, K=10%, M=20%, N=30%.
• Dissipation Factor (DF): Measure of power loss in a capacitor under alternating voltage (ratio of active power to reactive power). Measured at 20 and 1kHz.
• Insulation Resistance (IR): Measure of capacitor's ability to retain electrical charge. Ratio of applied DC voltage to leakage current after 60s. Measured at T=20, RH65%. Expressed in megohms for low capacitance, or as a time constant (IR*C) for higher capacitance values.
• Self-healing: In metallized film capacitors, localized breakdown causes the thin metal layer around the weak point to evaporate, isolating the breakdown point and allowing the capacitor to self-heal without permanent short circuits.

Weatherability Testing Methods

• High Temperature (85): Capacitance drift 5% max of initial value; DF < 0.2% (at 1KHz).
• Low Temperature (-40): Capacitance drift -5% max of initial value; DF < 0.15% (at 1KHz).
• Humidity (85, 85% RH for 1000h): Capacitance drift +10% max of initial value; IR > 50% of initial value; DF < 0.2% (at 1KHz).

Caution

• Soldering Suggestion: Max Soldering Temperature 270, Time 4S. Pre-heating 105, 1min.
• Salt Fog Test Condition: For tin-plated copper-clad steel leads, perform salt fog test after wave soldering.
• Storage Environment and Conditions: Store at T30, RH70%. Unopened MBB ensures 24 months shelf life. Avoid exposure to atmospheric pollutants (hydrogen chloride, hydrogen sulfide, sulfuric acid) and high temperature/humidity.