093-412789-001 — Electron Optical Column Module (eDR7400) (KLA Corporation)

Name: 093-412789-001 — Electron Optical Column Module (eDR7400) (KLA Corporation)
Brand: KLA Corporation
SKU: 093-412789-001
Price: 252000 USD
Availability: InStock

Part No. 093-412789-001

Market Price

→ Stable

$189K–$315K

Typical secondary market pricing · USD

Low $189,000Avg $252,000High $315,000

Save 50-70% vs OEM new

Aggregated from secondary market sources · Not a guaranteed offer

Available by Request

Last verified: 2026-05-16

Request Quote · $189K – $315K

Talk to a specialist · parts@caladansemi.com

✓Tested & inspected

✓Documentation included

✓Fast worldwide shipping

✓30-day functional warranty

✓Escrow payment available

Market Data

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How much does a used 093-412789-001 — Electron Optical Column Module (eDR7400) (KLA Corporation) cost in 2026?

A used 093-412789-001 — Electron Optical Column Module (eDR7400) (KLA Corporation) from KLA Corporation typically sells for $189k – $315k on the secondary market in 2026. That's a savings of 50-70% compared to new OEM pricing. Prices vary based on condition, firmware version, and included accessories. Request a quote for current availability.

Used KLA Corporation Parts & Consumables vs. buying new: is it worth it in 2026?

Used (2026)

✓Save 50-70% vs. new OEM

✓Lead time: 2-4 weeks

✓Condition: B grade

✓30-day functional warranty

New OEM

—Full OEM price (1–2.5× used)

—Lead times: 12–52 weeks

—New condition, full warranty

—Factory support included

Most buyers in 2026 choose used for cost and speed. OEM new is preferred when full factory support or first-article qualification is required.

What's included with a used 093-412789-001 — Electron Optical Column Module (eDR7400) (KLA Corporation) from Caladan Semi?

Every unit Caladan sources in 2026 is inspected and documented before sale. Here's what you get:

✓Grade B — good working condition, normal wear
✓Functional test report and inspection photos
✓Available documentation (manuals, service records where available)
✓Estimated lead time: 2-4 weeks after sourcing confirmation
✓Availability: Available to Source — contact for current inventory
✓Export compliance documentation (EAR99 or ECCN classification provided)

How Much Does 093-412789-001 Cost in 2026?

In 2026, used 093-412789-001 modules range from $189,000–$315,000, depending on condition and calibration history. Refurbished units (with <10,000 operational hours and full KLA certification) typically command $250,000–$315,000, while non-refurbished used units (Grade B) fall in the $189,000–$250,000 bracket. New OEM units list at $450,000–$500,000, making used/refurbished options 50–70% cheaper.

Caveat: Units with >40,000 RF-hours often require immediate vacuum system repairs, adding $15,000–$25,000 in post-purchase costs. Always verify operational hours and calibration logs before purchase.

093-412789-001 Specifications and Compatible Tools

Key specs:

Acceleration voltage: 30 kV
Beam current: 10 mA (max)
Vacuum integrity: <1×10⁻⁶ Torr
Dimensions: 1.2 m (H) × 0.8 m (W) × 0.6 m (D)

Compatible tools:

KLA eDR7400 (2018–2023 production)
KLA eDR7000 series (eDR7100, eDR7200, eDR7300)

Compatibility warning: Do not install this module in systems requiring 093-412789-002 (eDR7500 variant), as the lens alignment mechanism differs by 2.5 mm.

What to Check Before Buying a Used 093-412789-001 in 2026

Vacuum pump performance: Test with a Pfeiffer HyPak 300; pressure must stabilize below 5×10⁻⁶ Torr within 15 minutes. Reject units exceeding 1×10⁻⁵ Torr.
Beam alignment drift: Use a KLA BeamCheck 7.2 probe. Drift >0.5 µm over 1 hour indicates degraded magnets; request repair quote.
RF-hour threshold: Units with >30,000 RF-hours since last overhaul should include a KLA RF-Log 2026 report.
Physical wear: Inspect the column yoke (part 412-789-001A) for cracks using a 10