Product Overview
This document provides guidelines for the optimal performance and extended lifespan of Aluminum Electrolytic Capacitors. It covers essential usage precautions, including polarity, voltage, ripple current, temperature, frequency, storage, and handling during soldering and board cleaning.
Product Attributes
- Brand: TOPAZCON
- Origin: Guangdong, China
- Company: GuangDong TOPAZ Electronic Technology Co., Ltd.
- Contact: TEL: 86-769-85391636 / 85391626, FAX: 86-769-85325630, E-mail: songshengcw@163.com, Website: http:www.songshengdg.com
- Address: No. 3, Fufu Road, Foziao Village, Dalang Town, Dongguan City, Guangdong Province, China, Postal Code: 523781
Technical Specifications
| Item | Description |
| Polarity | DC electrolytic capacitors are polarized. Polarity is marked on the capacitor body. Use bipolar capacitors when polarity is not determined or unknown. DC electrolytic capacitors cannot be used for AC applications. |
| Bipolar Capacitors Usage | Suitable for pulse circuits and polarity reverse circuits; not applicable in pure AC or high ripple current circuits. |
| Voltage Application | Do not apply voltage greater than rated voltage. Recommended working voltage is 70-80% of rated voltage for extended life. |
| Ripple Current | Ripple current should not exceed the allowable limit, generally not more than 80% of the rated current. Excessive ripple current can cause heating, capacitance reduction, and damage. |
| Charge/Discharge Circuits | For circuits with rapid charge and discharge cycles, use specially designed capacitors to prevent damage, capacitance decrease, and heat rise. |
| Operating Temperature | Capacitor characteristics vary with temperature. Lower temperatures generally ensure longer life. |
| Temperature and Life Relationship | Life is generally doubled for every 10C decrease in operating temperature from the rated temperature. Formula provided for calculation. |
| Operating Frequency | Capacitance is typically measured at 100Hz or 120Hz. Capacitance decreases and tg increases with higher frequencies, leading to increased ambient temperature. |
| Storage Handling | For capacitors stored for a long time, gradually apply DC voltage up to the rated voltage before use to address potential increases in leakage current and reduced withstand voltage. |
| Case Insulation | The capacitor case is not insulated from the cathode terminal. Insulation measures are required at the mounting point if case insulation is necessary. |
| Terminal/Lead Force | Do not apply excessive force to terminals and leads to prevent breakage, separation, or internal connection failure. |
| Bending Leads | When bending leads for horizontal mounting, maintain a 2mm safe spacing from the capacitor body to avoid internal structural damage. |
| Circuit Board Cleaning | Use recommended solvents (Methanol, isopropanol, ethanol, isobutanol, petroleum ether, propanol, commercial detergents) for cleaning. Avoid halogenated solvents (trichlorethylene, xylene, acetone) to protect the sleeve, marking, and sealing materials. |
| Soldering | Maintain distance from plastic sleeves. Recommended solder bath temperature is within 260C for no more than 10 seconds to prevent damage. |
| Hole Layout on PCB | Ensure hole spacing on the circuit board matches lead spacing to avoid stress on leads. Consider hole layout carefully to prevent solder splashing onto the capacitor sleeve. |
2410122013_Guangdong-TOPAZ-Elec-Tech-ECRE1315150M401P00_C156925.pdf
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