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AboutShijiazhuang Tonghe Electronic Technology Co., Ltd. is a high-tech enterprise dedicated to technological innovation, product innovation, and management innovation in the power electronics industry. It integrates R&D, manufacturing, sales, and service in the power electronics sector, providing customers with comprehensive energy solutions. -
ProductAfter more than two decades of rapid development, the company has established an industrial structure centered around three major business segments: smart grids, new-energy vehicles, and aerospace. Its sales network covers over 30 provinces, municipalities, and autonomous regions across China, and its products are exported overseas, earning unanimous praise from both domestic and international customers.
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PartnerIn the future, the company will continue to uphold its corporate mission of “embracing an entrepreneurial spirit, focusing on power electronics, efficiently utilizing energy, and serving global users,” while adhering to the core values of “contribution, mutual benefit, gratitude, efficiency, and innovation” to provide users with high-quality products and services.
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BlogsCommunicate with sincerity and courageously take responsibility; keep the customer at the center of our focus, continuously optimize the company’s management systems and processes, consistently identify and meet customer needs, deliver and enhance customer value, and maintain the company’s rapid growth.
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Join usThe company consistently upholds a talent philosophy centered on “people first,” actively fostering an atmosphere of respect, understanding, integrity, and friendliness. We provide a robust platform for talent development, enabling our employees to become powerful pillars of the company’s sustained growth and achieving mutual growth and shared success between the company and its talents.
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InvestorDisclose information relevant to investors’ decision-making in a truthful, accurate, complete, timely, and fair manner; strengthen communication and engagement with investors; and enhance and improve investor relations management.
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ContactWith a spirit of self-respect, self-reliance, and relentless self-improvement, coupled with an open mind, we focus on customer needs based on continuous learning and absorption. We dare to take risks, keep exploring, and steadily build management models and technological products that reflect our unique characteristics.
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No. 350, Lijiang Road, Shijiazhuang High-tech Zone
1000V Three-in-One Product TH20F10025C7
With the development of the new-energy vehicle industry, increasing battery voltage has become the current trend in order to boost charging speeds.
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Product Introduction
With the development of the new-energy vehicle industry, increasing battery voltage has become the current trend in order to boost charging speeds. Tonghe Technology’s TH20F10025C7 DC charging module, developed based on the State Grid’s “Three Unifications” dimension standards, can deliver an output voltage of up to 1000V and maintains a constant power of 20kW within the range of 300–1000V.
Product Features
1. Complies with the State Grid’s “Three Unified” dimensions, with a constant power range of 300–1000V.
2. Ultra-low standby power consumption: <10W.
3. Ultra-low harmonic current: THD < 5%
4. Ultra-wide operating temperature range: -40~75°C. 5. Ultra-wide input voltage range: 274–487VAC. 6. Ultra-high conversion efficiency: Peak efficiency >96%.
Module Naming Conventions
Output Power vs. Input Voltage Characteristic Curve
Curve of output power versus temperature
Output voltage versus output current curve
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AC input Input voltage Rated voltage: 380VAC; three-phase, no neutral wire; operating range: 274–487VAC. Input frequency 50 ± 5 Hz Input power factor ≥0.99 THD ≤5% Input overvoltage protection 490 ± 10 VAC Input undervoltage protection 270 ± 10 VAC DC output Output rated power 20kW Output voltage range 50-1000VDC Output current range 0.5-67A Output constant power range When outputting 300–1000 VDC, the output maintains a constant power of 20 kW. Peak efficiency ≥96% Soft start time 3-8S Short-circuit protection Self-retracting protection Voltage regulation accuracy ≤ ±0.5% Steady-flow accuracy ≤±1% Current imbalance degree ≤±5% Work environment Operating temperature -40℃ to +75℃ Relative humidity ≤95% No condensation Altitude ≤2000m; consider derating for altitudes above 2000m. Cooling method Air-cooled Product Features Standby power consumption <10W Communication bus protocol CAN Address Settings Digital screen display, button operation Module dimensions (excluding handle) long Wide Height: 460mm 218mm84mm Weight ≤13kg Mean Time Between Failures 500,000 hours
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