GE DS3800HAIC1B1A 24VDC | New Original Heat Sink Card – 1-Yr Warranty

Description

Key Technical Specifications

• Function: Heat sink interface card (Rev B)
• Material: Aluminum (black anodized)
• Mounting: VME rack
• Design: Revision B (improved thermal performance)
• Power Rail Fusing: 1 A fast-acting (field-replaceable)
• Fuse-Blown Indicator: Red LED
• Weight: 0.2 kg
• Operating Temperature: –30 to +65 °C ambient

Quality Inspection Process (SOP Transparency)

This is what every DS3800HAIC1B1A 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 interface card has no dents or damage, and examining the black anodized finish for any scratches or wear. The fuse is inspected—it must be 1 A fast-acting, properly seated.

Live Functional Test: The heat sink interface 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. The Rev B design should provide improved thermal performance compared to Rev A.

For the fuse test, we short-circuit the power rail and verify the 1 A fuse blows within 1 second. The red LED must illuminate. We then replace the fuse and verify the module returns to normal operation.

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

Final QC & Packaging: The QC report lists the fit test, thermal performance, fuse test, and visual inspection results. The heat sink interface 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 DS3800HAIC1B1A is the fused Rev B heat sink interface card. Here’s the field-tested list:

Fuse Rating and Substitution
The HAIC1B1A uses 1 A fast-acting fuses. If you replace a blown fuse with a 5 A fuse, the power rail won’t be protected. ❗ Use the correct fuse: 1 A fast-acting.

Fuse-Blown LED Interpretation
The red LED illuminates when the fuse is open. But it draws its power from the rail. If the rail is off, the LED won’t illuminate. ❗ The fuse-blown LED only works when the rail is powered.

Thermal Paste Application
The HAIC1B1A requires thermal paste between the heat sink and the module. ❗ Apply thermal paste before installation.

Heat Sink Damage
The HAIC1B1A is made of aluminum and can be damaged if dropped. ❗ Handle the heat sink with care.

Rev B Compatibility
The Rev B heat sink is designed for specific Mark IV modules. ❗ Verify the module compatibility before installation.

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

New Original vs. Refurbished: Why It Matters

The DS3800HAIC1B1A is a legacy heat sink interface card with fusing and Rev B design. 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 interface card is new and undamaged, the fuse is fresh, and the module has zero operating hours. The serial number traces to GE’s production database.

Refurbished risk: The heat sink interface card may have been damaged or have old thermal paste residue. I saw a refurbished HAIC1B1A in a plant that had old thermal paste on it—the module overheated. The refurbished heat sink cost 110; the new surplus unit was 160. 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, thermal performance, fuse test, and visual inspection results. 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.

• Fuse Voltage Drop: At 1.0 A: 0.06 V.
• Fuse Blow Time: With a 1.5 A overcurrent, the fuse blew in 800 ms.
• Fit Test: Heat sink interface card fit correctly on the module.
• Thermal Performance: Module temperature stabilized at 53 °C. Heat sink temperature stabilized at 43 °C. Within spec. Improved over Rev A.
• Visual Inspection: No dents, scratches, or damage.
• MTBF (Published): GE’s datasheet listed 500,000 hours at 40 °C for the HAIC1B1A. Based on field data, expect 20-30 years of service under normal conditions.

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