Whatsminer KF1968 Tin Tool Kit M50 M50S M53 Hashboard Repair

Whatsminer KF1968 Tin Tool Kit | Stencil Plate and Chip Holder for M50 / M50S Hashboard Repair

The Whatsminer KF1968 tin tool kit is the complete reballing fixture for the KF1968 / KF1968E ASIC chip family used across multiple Whatsminer generations. The primary fit is the Whatsminer M50 (114 TH/s @ 3306W) and M50S (126-128 TH/s @ 3276-3328W, released April 2022), but the same KF1968 chip also covers hashboards on the M53, M53S, M30, and M30S++ — meaning this single tin tool kit serves a substantial portion of the MicroBT catalog.

The kit pairs a tempered steel mesh stencil (±0.03mm laser-etched precision) with an anti-static chip holder in ESD-safe composite. Tempered steel resists the dimensional drift that ordinary stainless steel develops after repeated reflow cycles, and the ESD-safe holder protects the KF1968's CMOS gate structures during placement.

Where the KF1968 Tin Tool Kit Fits

• Whatsminer M50 / M50S — primary application, KF1968 / KF1968E hashboard chips.
• Whatsminer M53 / M53S — same chip family, same kit fits.
• Whatsminer M30 / M30S++ — older miner generations also using the KF1968 chip.
• Chip-level recovery — pull and reball KF1968 chips from scrap boards for reuse.
• Production-line repair benches — one kit covers 6+ Whatsminer SKUs, reducing fixture inventory cost.

Construction and Materials

• Tempered steel mesh stencil — dimensional stability across hundreds of reflow cycles.
• ±0.03mm laser-etched precision — matches KF1968 BGA pad pitch and footprint.
• Anti-static ESD-safe composite chip holder — protects CMOS gates during handling.
• All-in-one kit — stencil + holder, no extra purchases needed for basic reballing.
• Short-circuit prevention — precision aperture alignment prevents paste bridging on adjacent pads.
• Reusable with proper IPA cleaning between uses.

KF1968 Tin Tool Kit Specifications

FAQ — Whatsminer KF1968 Tin Tool Kit

Q: Is this the same tin tool as the KF1973 / KF1978 series?
A: No — each KF chip series has a different BGA footprint. KF1968 fits M50/M50S/M53/M53S/M30 family. KF1973 / KF1973E fits M50 / M53 series with a slightly different chip variant. KF1978E is M50S / M60S generation. Match the chip silkscreen on your failed hashboard before ordering.

Q: Will the kit work for both KF1968 and KF1968E variants?
A: Yes — both variants share the same BGA pad pitch and footprint. The "E" suffix typically denotes an efficiency-grade bin of the same physical chip.

Q: How do I tell if my hashboard uses KF1968 vs another chip?
A: Remove the heatsink and read the silkscreen marking on the chip top — Whatsminer marks the ASIC name directly on the package (e.g., "KF1968" or "KF1968E"). Don't rely on the miner model alone since some boards within the same model number use different chip revisions.

Q: What rework profile do you recommend?
A: Standard BGA reflow — preheat hashboard to 100-150°C, ramp to peak ~240-250°C, hold 30-60 seconds, controlled cool-down. Use flux paste and clean pads with IPA between heat-up and chip-place.

Q: Bulk pricing for repair shops?
A: Yes — email contact@lys-sz.com for volume pricing on KF1968 kits + matched chip stock.

Related products

• KF1968 Stencil Plate (M50 / M50S — stencil only)
• KF1973 / KF1973E Tin Tool Kit (M50 / M53)
• M50 Thermal Grease Stencil Kit
• M50 / M60 Test Fixture

Repair benches servicing Whatsminer M50 / M50S / M53 fleets in volume? Email contact@lys-sz.com for bulk pricing on KF1968 kits + chip stock. Worldwide shipping from our Shenzhen warehouse.