S19jpro Hashboard Tin Tool for Thermal paste application

S19j Pro Hashboard Thermal Paste Stencil – BM1362 Heatsink Application Tool

Apply thermal compound perfectly every time with this precision stencil designed for the Antminer S19j Pro hash board. The tool exposes only the BM1362 ASIC chip tops while masking all surrounding components — capacitors, resistors, and traces — so thermal grease goes exactly where it is needed and nowhere else. It is essential for heatsink upgrades, water-cooling conversions, and routine thermal paste replacement on the S19j Pro.

Why Precision Paste Application Matters

Thermal paste that overflows onto component leads or pads can cause short-term insulation issues and long-term corrosion. Conversely, insufficient coverage on the ASIC die creates hot spots that trigger thermal throttling and shorten chip life. This stencil standardises the application: place it over the hash board, apply paste with a squeegee in a single pass, lift the stencil, and every chip has a uniform layer ready for the heatsink or water-cooling plate. The process is repeatable across hundreds of boards with no skill variation between technicians.

Use Cases

The stencil is used during three common operations: initial thermal paste application when installing aftermarket heatsinks or water-cooling plates, periodic paste replacement as part of preventive maintenance (recommended every 6–12 months in high-heat environments), and radiator retrofitting where the original thermal interface material is removed and replaced with higher-performance paste.

S19j Pro Thermal Paste Stencil Specifications

Related S19j Pro Stencils & Repair Tools

• S19j Pro L (Large Chips) Thermal Paste Stencil
• BM1362AK Tin Tool Fixture – S19j Pro
• BM1362AA Tin Tool Fixture 100 mm – S19j / S19j Pro
• BM1362AK Stencil Fixture – S19j Hashboard Chips

Maintaining thermal paste across an S19j Pro fleet? Contact us at contact@lys-sz.com for stencil and paste bundle pricing.

Worldwide shipping from our Shenzhen warehouse.