DS26W 1206 SMD Schottky Diode for Whatsminer M30 Hashboard

DS26W 1206 SMD Schottky Diode | 60V / 2A SOD-123FL for Whatsminer M30 Hashboard Repair

The DS26W (silk marking S26) is a high-performance 1206 SMD Schottky diode in the SOD-123FL package. Used on the Whatsminer M30 hashboard for low-voltage high-frequency rectification, freewheeling, and polarity protection at the local power conversion stages. 60V reverse voltage, 2A continuous current, metal-silicon junction with majority-carrier conduction — exactly the low-Vf, fast-switching characteristics needed for hashboard secondary rails.

Drop-in replacement when the original fails — common failure modes include shorted junction after a transient event, open after sustained over-current, or visible package damage. A fresh DS26W restores the rail to normal operation.

When to Replace the DS26W

• Local rail dropped on Whatsminer M30 hashboard — failed Schottky diode breaking the freewheeling path.
• Visible damage on the diode body — cracking, blackening, or pad-level burn marks.
• Hashboard scan failure at one chip group after a transient event — failed diode masking the symptom.
• Excessive heat on the diode under normal load — degraded junction approaching end-of-life.

DS26W Schottky Diode Specifications

FAQ — DS26W Schottky Diode

Q: How do I identify the DS26W on the board?
A: Silk marking "S26" on the SOD-123FL package — that's the abbreviated marking convention for DS26W. The package itself is the standard 1206 SMD outline.

Q: How do I test the diode in-circuit?
A: Power off. Use DMM diode-test mode across the diode. Healthy reads ~0.3V forward, OL reverse. Shorted reads 0Ω both directions. Open reads OL both directions. For ambiguous cases, isolate one lead and re-measure to remove back-feed.

Q: Rework profile?
A: Standard SOD-123FL hot air rework. Preheat to 100°C, hot air at 320°C with flux paste. Match cathode-band orientation to silk-screen before reflow — reverse polarity will fail violently on first power-up.

Q: Bulk pricing?
A: Yes — email contact@lys-sz.com for reel-quantity pricing on DS26W stock for M30 hashboard repair benches.

Related products

• B0540W SF Schottky Diode 40V (Antminer L7 / S19jPro+)
• HBR3200 / SS320 Schottky Barrier Diode
• SS2040LL 40V SMD Schottky SOD-123 (Whatsminer)
• Whatsminer CB6 V10 Control Board (M20-M50)

Whatsminer M30 hashboard repair benches stocking DS26W diodes by the reel? Email contact@lys-sz.com for bulk pricing. Worldwide shipping from our Shenzhen warehouse.