Radial Aluminum Electrolytic Capacitor SRD KF2G4R7M0812DAH1C0LC 400V DC 4.7uF for Electronic Systems

Product Overview

This specification covers the KF series Radial Type Aluminum Electrolytic Capacitors. These capacitors are designed for various applications and adhere to JIS-C-5101 and JIC-C-5141 standards. They are manufactured by SICHUAN SINCERITY TECHNOLOGY CO., LTD. and are suitable for operation within a temperature range of -40C to 105C (or -25C to 105C for 500V.DC).

Product Attributes

• Brand: (Sincerity)
• Origin: Sichuan, China
• Manufacturer: SICHUAN SINCERITY TECHNOLOGY CO., LTD.
• Copyright: Sichuan Sincerity Technology Co., Ltd.

Technical Specifications

Additional Technical Details

Electrical Characteristics

• Capacitance Measurement: Frequency 120Hz 20%, Series equivalent circuit, Measuring voltage 1Vrms. Criteria: Capacitance tolerance 20%.
• Dissipation Factor (DF): See Table 1 for WV vs tg values.
• Leakage Current (DC): 160~500V.DC, I0.02CV+25uA (I: Leakage Current (), C: Capacitance (F), V: Rated voltage (V)), measured after 2 min electrification.
• High and Low Temperature Characteristic: Impedance at -25/-40C compared to 20C should not exceed Table 2 requirements. Capacitance change at 105C compared to 20C should be within 20%.
• Surge Voltage Test: 1000 cycles of 305s charge and 3305s discharge with voltages listed in Table 3. Capacitance change within 20% of initial value. Dissipation Factor not more than 200% of Table 1. Leakage Current to satisfy No. 4.1.4.

Mechanical Characteristics

• Termination Strength: Tensile and bending strength tests applied to leads with specified forces based on wire diameter. No intermittent contacts, open/short circuits, or mechanical damage after test.
• Vibration: 2 hours in 3 orthogonal directions (total 6h). Frequency 10-55Hz, Amplitude 1.5mm. No intermittent contacts, open/short circuits, or mechanical damage.
• Solderability: Leads dipped in solder at 2455C for 20.5s. At least 90% of the dipped termination surface area should be covered with new solder.

Durability Test

• Load Life Test: 5000H at 1052C with rated voltage and ripple current. Capacitance change within 20%, Dissipation Factor not more than 200% of initial, Leakage Current to satisfy No. 4.1.4, Appearance: No abnormality.
• Shelf Life Test: 1000-0+48h storage at 1052C without voltage, then recovered for at least 16 hours. Capacitance change within 20%, Dissipation Factor not more than 200% of initial, Leakage Current not more than 200% of initial, Appearance: No abnormality.
• Solder-Heat-Resistance: Dipping in solder at 2605C for 101s on a 1.6mm PCB. Capacitance change within 10%, Dissipation Factor not more than initial value, Leakage Current to satisfy No. 4.1.4, Appearance: No abnormality.
• Safety Vent: Applicable to products with diameter 8mm. Test conditions involve applied current and reverse rated voltage for a specified vent time. No explosion, flash, flame, spark, fire, or metal expulsion from casing.
• Resistance to Damp Heat: 5008h at 402C and 90~95% relative humidity. After test, capacitors are subjected to standard atmospheric conditions for 1-2 hours before parameter testing. Capacitance change within 10%.