GE DS3800HADA 24VDC | New Original Heat Sink Card – 1-Yr Warranty

Description

Product Core Brief

• Model: DS3800HADA
• Brand: GE (General Electric)
• Series: Mark IV Speedtronic Turbine Control System
• Core Function: Provides daughter card heat sink assembly for Mark IV modules requiring enhanced thermal management.
• Type: Heat Sink Daughter Card Assembly
• Key Specs: Heat sink daughter card; aluminum construction; black anodized finish; passive cooling; VME form factor.
• Condition: New Original (New Surplus) — not refurbished.

Key Technical Specifications

• Function: Heat sink daughter card assembly
• Material: Aluminum (black anodized)
• Cooling Type: Passive (convection)
• Mounting: VME rack (daughter card)
• Weight: 0.25 kg
• Operating Temperature: –30 to +65 °C ambient

Quality Inspection Process (SOP Transparency)

This is what every DS3800HADA goes through before it ships:

Incoming Verification: The OEM packing slip is matched against the shipping manifest. Visual inspection includes checking the GE holographic label (or classic Speedtronic logo), verifying the heat sink daughter card has no dents or damage, and examining the black anodized finish for any scratches or wear.

Live Functional Test: The heat sink daughter card is installed in a test rack with a known-good module and verified to fit correctly. Thermal performance is checked by running the module at full load and measuring the heat sink temperature—must be within spec.

Mechanical Inspection: The heat sink daughter card is inspected for proper fit and alignment. The mounting holes are checked for thread integrity.

Final QC & Packaging: The QC report lists the fit test, thermal performance, and visual inspection results. The heat sink daughter card goes into a new anti-static bag with a tamper-evident seal, then into a double-walled carton with foam inserts. A “QC Passed” label with the test date and technician’s ID goes on the outer box. All test data and photos are available on request.

Field Replacement Pitfalls

The DS3800HADA is the heat sink daughter card assembly. Here’s the field-tested list:

Thermal Paste Application
The HADA requires thermal paste between the heat sink and the module. ❗ Apply thermal paste before installation.

Heat Sink Damage
The HADA is made of aluminum and can be damaged if dropped. ❗ Handle the heat sink with care.

Daughter Card Compatibility
The HADA is a daughter card and must be compatible with the main module. ❗ Verify the module compatibility before installation.

Airflow Obstruction
The HADA relies on convection cooling. ❗ Ensure the heat sink has adequate airflow.

Mounting Screws
The HADA is mounted with screws. ❗ Use the correct torque for the mounting screws.

Get these five right and you’ll cut rework time by 90%.

New Original vs. Refurbished: Why It Matters

The DS3800HADA is a legacy heat sink daughter card assembly. Refurbishment risk is low.

New Original (New Surplus) means this unit came from GE’s production line, sealed in an ESD-safe bag. The heat sink daughter card is new and undamaged. The serial number traces to GE’s production database.

Refurbished risk: The heat sink daughter card may have been damaged or have old thermal paste residue. I saw a refurbished HADA in a plant that had old thermal paste on it—the module overheated. The refurbished heat sink card cost 100; the new surplus unit was 150. The module failure cost $10,000.

Real cost: A failed heat sink can cause a module to overheat and fail. The cost of a module failure is tens of thousands of dollars. A new surplus heat sink is cheap insurance.

What we provide: We include a photo of the OEM packing slip. The anti-static bag is sealed with a tamper-evident label. The QC test report lists the fit test and thermal performance. You get a 12-month warranty.

Pricing context: Our price sits 30-50% above refurbished alternatives but 20-40% below GE’s current factory list price.

Performance Benchmarks & Test Results

Measured during our QC test. Conditions: test rack with a Mark IV backplane simulator and a CXCIA CPU module, 24.0 VDC supply (Fluke 8845A), ambient 24 °C.

• Fit Test: Heat sink daughter card fit correctly on the module.
• Thermal Performance: Module temperature stabilized at 55 °C. Heat sink temperature stabilized at 45 °C. Within spec.
• Visual Inspection: No dents, scratches, or damage.
• MTBF (Published): GE’s datasheet listed 500,000 hours at 40 °C for the HADA. Based on field data, expect 20-30 years of service under normal conditions.

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