Description
This 140W fiber laser pump diode module is a genuine pulled component designed for UK SPI laser generators, model ST-950B. It delivers stable, high-efficiency output at 976nm, making it an ideal replacement part for industrial laser cutting, welding, and marking systems. Each unit undergoes rigorous testing (with video verification) to ensure full functionality, providing a cost-effective alternative to brand-new OEM modules for maintenance teams and laser system integrators.
đź“Š Key Features & Specifications
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Brand Compatibility: SPI (UK) Laser Generators
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Model: ST-950B
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Power Output: 140W (rated, tested for stability)
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Wavelength: 976nm (optimized for fiber laser pumping efficiency)
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Electrical Specifications:
- Operating Voltage: 24V DC
- Maximum Operating Current: 12A (critical: do not exceed)
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Fiber Core Diameter: 125ÎĽm
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Mechanical Dimensions: 8.5 Ă— 3.8 Ă— 12.5 mm (approximate)
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Form Factor: Compact aluminum heat sink with gold-plated base for thermal management
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Condition: Original pulled unit, tested with video verification before shipment
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Quality Assurance: Each module is labeled with a unique serial number for traceability
🛠️ SKU Details
| SKU Code |
Configuration |
Quantity |
| SPI-ST950B-140W-24V |
140W, 976nm, 24V/12A, bare fiber output |
In stock |
| SPI-ST950B-140W-SMA |
140W, 976nm, 24V/12A, SMA905 connector |
In stock |
| SPI-ST950B-140W-ARMORED |
140W, 976nm, 24V/12A, metal armored fiber |
Made-to-order |
🎯 Applications
- Replacement pump source for UK SPI ST-950B fiber laser generators
- Industrial laser cutting of metals and composites
- Precision laser welding and cladding
- High-speed laser marking and engraving
- Laser system maintenance and repair
- Custom laser system integration for research and production
đź’ˇ Why Choose Our SPI 140W Pump Module?
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Genuine SPI Components: Sourced directly from working SPI laser systems for guaranteed compatibility
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Verified Performance: Each module undergoes full power testing (with video proof) to confirm 140W output
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Traceable Components: Unique serial numbers ensure product authenticity and reliability
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Critical Safety Compliance: Pre-tested to ensure current does not exceed 12A (prevents thermal damage)
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Multiple Interface Options: Choose between bare fiber, SMA905 connector, or armored fiber to match your system
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Fast Shipping: Dispatched within 48 hours from our Zhejiang warehouse, with global delivery options
📦 Package Includes
1 x SPI ST-950B 140W Fiber Laser Pump Diode Module (as per your SKU selection)
1 x Protective fiber cable (yellow or armored, based on configuration)
1 x Test video link (verifying power output)
1 x Anti-static packaging for safe handling
⚠️ Important Notes
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Critical Operation Rule: Current must NOT exceed 12A. Overcurrent causes irreversible damage to the module.
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Non-Returnable Policy: This is a custom pulled unit, sold as-is. No returns or exchanges are accepted after delivery.
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Inspection Requirement: Inspect the package immediately upon receipt. Report damage before signing for delivery.
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Technical Expertise: Installation requires specialized knowledge of high-power laser systems and thermal management.
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Cosmetic Condition: This is a used component; minor cosmetic wear is typical but does not affect functionality.
