Inductor 1R0 Silkscreen HPC1050-1uH SMD for Hashboard Control Board and PSU

HPC1050-1uH High-Current SMD Inductor | 1R0 Silkscreen Replacement for Hashboard, Control Board & PSU Buck Stages

The HPC1050-1uH is a 1µH high-current shielded power inductor in a 10 × 10 mm SMD package marked with the 1R0 silkscreen code. Used on ASIC miner hashboards, control boards, and PSU buck output stages as the energy-storage element in step-down regulators. When this inductor fails — open winding, shorted turns, or de-soldered pad after a transient — the buck stage collapses and the downstream rail loses regulation entirely.

The 1R0 silkscreen marking is the universal Power-IC convention for "1.0 µH" — present across multiple ASIC vendors' boards. A reel of verified HPC1050-1uH inductors is the fastest path back to a working board when the original opens. Confirm value and footprint against the existing PCB silkscreen before swapping.

When to Replace the HPC1050-1uH

• Buck-stage rail dead on a hashboard / control board — measure across the inductor: an open winding reads OL.
• Visible damage on the SMD inductor body — burned, cracked, or lifted from the pad after a downstream MOSFET failure.
• Audible whistling under load — saturated or partially-shorted winding running outside its current rating.
• PSU output dropping under load — buck-stage inductor saturating or losing inductance.
• Excessive heat on the inductor at normal load — degraded winding approaching end-of-life.

HPC1050-1uH SMD Inductor Specifications

FAQ — HPC1050-1uH SMD Inductor

Q: What does the 1R0 silkscreen mean?
A: 1R0 = 1.0 µH in standard power-IC silkscreen notation (the "R" replaces the decimal point). Other common HPC1050 values in the same family: 220 = 22 µH (sold separately as HPC1050-22uH), 100 = 10 µH (HPC1050-10uH). Match the silkscreen on the PCB exactly.

Q: How do I test the inductor in-circuit?
A: Power off, DMM in low-ohm mode. A healthy 1µH inductor reads near 0Ω (winding resistance is sub-100mΩ). An open winding reads OL — replace. For shorted turns, an LCR meter at 100kHz–1MHz is required; if the measurement is well below 1µH, the inductor has shorted turns and must be replaced.

Q: Always check the upstream MOSFET when this fails?
A: Strongly recommended. The most common cause of a blown HPC1050 inductor is a shorted MOSFET driving DC through the winding. Replace the inductor and the MOSFET together — skipping the MOSFET inspection is a common cause of repeat failure within minutes.

Q: Bulk pricing for repair benches?
A: Yes — email contact@lys-sz.com for reel-quantity pricing on HPC1050 family inductors.

Related products

• HPC1050-10µH SMD Inductor (100 silkscreen)
• HPC1050-22µH SMD Inductor (220 silkscreen)
• 1R80 SMD 1206 Resistor (Antminer S19 / S19 XP)
• L3+/S9 Boost Module 6R8 RT8537

Hashboard / PSU repair benches stocking HPC1050-1uH inductors by the reel? Email contact@lys-sz.com for bulk pricing. Worldwide shipping from our Shenzhen warehouse.