Product Overview
This document provides detailed guidelines for the proper use and handling of Aluminum Electrolytic Capacitors manufactured by GuangDong TOPAZ Electronic Technology Co., Ltd. Adhering to these instructions ensures optimal performance, extended lifespan, and prevents potential damage to the capacitors and associated circuitry.
Product Attributes
- Brand: TOPAZCON
- Origin: China
- Manufacturer: GuangDong TOPAZ Electronic Technology Co., Ltd.
Technical Specifications
| Item | Description | Details |
| Polarity | DC electrolytic capacitors are polarized. Ensure correct polarity to prevent short circuits or damage. Use bipolar capacitors if polarity is uncertain. Not suitable for AC applications. | Bipolar capacitors are for pulse and polarity reverse circuits, not pure AC or high ripple. |
| Voltage | Do not exceed rated voltage. Recommended working voltage is 70-80% of rated voltage for extended life. | |
| Ripple Current | Do not allow excessive ripple current. Exceeding limits causes heating, capacitance reduction, and damage. Keep ripple current within 80% of rated value. | |
| Charge/Discharge | Use specially designed capacitors for circuits with frequent charge/discharge cycles to prevent damage, capacitance decrease, and heat rise. | |
| Temperature | Capacitor characteristics vary with temperature. Lower temperatures ensure longer life. | Relationship between temperature and life: Life doubles for every 10 decrease from rated temperature. Formula provided for calculation. |
| Frequency | Capacitance measured at 100Hz/120Hz. Capacitance decreases and tg increases with higher frequencies, leading to increased ambient temperature. | |
| Storage | Capacitors stored for long periods may have increased leakage current and reduced withstand voltage. Treat with rated DC voltage before use. | |
| Case Insulation | Capacitor case is not insulated from the cathode terminal. Insulate at the mounting point if the case needs to be isolated. | |
| Handling | Do not apply excessive force to terminals and leads to prevent breakage, separation, or internal connection failure. | For bending leads into a horizontal state, maintain a 2mm safe distance from the capacitor body to prevent internal damage. |
| Cleaning | Clean circuit boards with recommended solvents (Methanol, isopropanol, ethanol, etc.). Avoid halogenated solvents (trichlorethylene, xylene, acetone) to protect the capacitor body. | |
| Soldering | Maintain distance from the plastic sleeve. Recommended: within 260 for no more than 10 seconds when dipping in solder bath. | |
| PCB Layout | Hole spacing on PCBs should match lead spacing to avoid stress on leads. Consider hole layout carefully to prevent solder splashing onto the capacitor. |
2304140030_Guangdong-TOPAZ-Elec-Tech-ECLJ05111R0M050P00_C156678.pdf
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