TTV Thermal Test Vehicle (RTX 5090)

The EAK-TTV series is a thermal test vehicle (heating substrate) custom-developed by Shenzhen Songhao Electronic Co., Ltd. for the high-power cooling scenarios of NVIDIA RTX 5090 graphics cards. Built on a high-thermal-conductivity aluminum nitride substrate with a high-temperature sintered heating layer, it reproduces a stable 600 W heat load for cold-plate and liquid-cooling validation, preventing thermal throttling and aging damage during sustained full-load operation.

Insulation withstand voltage exceeds 2500 V, offering a wide electrical safety margin. The standardized 38.4 × 30.3 × 3 mm outline fits the original RTX 5090 mounting space without structural rework. Surface roughness is controlled to Ra < 0.3 μm with flatness < 0.3%, minimizing interface thermal resistance against the cold-plate contact surface. Bending strength of ≥450 MPa and a temperature coefficient of ≤100 PPM keep performance stable through high-low temperature cycling.

The product reserves standardized expansion structures — external power leads, customized mounting brackets and thermocouple measuring points — and uses an integrated single-heat-source design that is easy to wire and debug, compatible with both automated line assembly and manual module assembly.

Datasheet downloads: English (PDF) · 中文版 (PDF)

EAK-TTV 系列是深圳市崧皓电子有限责任公司为 NVIDIA RTX 5090 高端显卡大功率散热场景定制开发的热测试基板（TTV）。依托氮化铝高导热基板与高温烧结发热层工艺，可稳定复现 600W 满载热负荷，用于冷板与液冷散热系统的调试验证，避免硬件持续高负载下的高温降频与老化损坏。

产品绝缘耐压突破 2500V，电气安全冗余高；整机外形标准化 38.4 × 30.3 × 3 mm，可直接匹配 RTX 5090 原装安装空间。表面粗糙度 Ra < 0.3μm、平整度 < 0.3%，与冷板接触面紧密贴合，大幅降低界面热阻；抗弯强度 ≥450MPa，温度系数 ≤100PPM，高低温循环工况下热性能稳定。

产品预留标准化拓展结构，支持外接电源引线、定制安装支架与热电偶测温点加装，采用单热源无分区一体化设计，布线简单、温控调试便捷，兼容自动化产线与人工模组装配。

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