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Understanding Dry Type Transformer Temperature Rise
2025-03-19 | By: ZTELEC-www.ztelecgroup.com | 74clickExplore the intricacies of dry type transformers and their temperature rise. Understand the key factors influencing thermal performance, the significance of temperature monitoring, and how it impacts efficiency and longevity. This comprehens...
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FR4 Material Guide
2025-03-18 | By: ZTELEC-www.ztelecgroup.com | 84clickThe specification standard of FR4 is set by NEMA (National Electrical Manufacturers Association). FR in NEMA classification standard stands for Flame-Retardant. FR-4 means the resin is epoxy resin, the reinforcement material is glass fiber...
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What are the limitations of dry type transformer?
2025-03-17 | By: ZTELEC-www.ztelecgroup.com | 117clickDry type transformers, while advantageous for their safety and low maintenance, do have limitations. They typically have lower power ratings compared to oil-filled transformers, making them less suitable for high-capacity applications. Addit...
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What is the difference between FR4 and polyimide?
2025-03-17 | By: ZTELEC-www.ztelecgroup.com | 72clickFR4 and polyimide (PI) are two high-performance materials widely used in the electronics industry. Each has unique properties and application areas. What is the difference between FR4 and polyimide ? 1. Material composition FR4 is mainly co...
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Phenolic back-up sheet┃Insulation material
2025-03-17 | By: ZTELEC-www.ztelecgroup.com | 173clickCold stamping board is a board made by special process. It is usually made of raw materials such as paper and resin by hot pressing. It has excellent insulation, mechanical and processing properties. Cold stamping board is so named because...
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Bakelite Sheets: Properties, Uses, and Where to Buy
2025-03-13 | By: ZTELEC-www.ztelecgroup.com | 128clickBakelite sheet is a phenolic laminated paperboard, which is made by hot pressing bleached wood pulp paper after being impregnated with phenolic resin. Its thickness ranges from 3 to 50 mm, and its regular sizes are 10302030, 10402080, 12202...
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