Denki Seigyo Heat Sink Series
High-Efficiency Thermal Management for Industrial Electronics
Description
The Denki Seigyo Heat Sink Series is engineered for superior heat dissipation in power control modules, automation drives, LED drivers, and high-performance industrial electronics. Manufactured with precision-machined aluminum alloy and optimized fin geometry, these heat sinks ensure rapid thermal transfer, reduced junction temperature, and extended component lifespan.
Available in various profiles and mounting types, Denki Seigyo heat sinks provide reliable, maintenance-free cooling performance even under continuous operation in harsh environments.
Features
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High-efficiency aluminum or copper alloy fins for excellent heat conduction
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Optimized surface area for both natural and forced-air cooling
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Low thermal resistance design for stable temperature control
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Multiple fin and base configurations for vertical or horizontal mounting
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Compact, lightweight construction for space-restricted enclosures
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Black anodized finish for corrosion resistance and enhanced emissivity
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Optional integrated fan module for high-power applications
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RoHS-compliant materials and ISO-certified manufacturing
Specifications
| Item | Specification |
|---|---|
| Material | Extruded aluminum alloy (A6063-T5) / Optional copper base |
| Surface Finish | Black anodized or natural finish |
| Thermal Resistance | 1.0 °C/W – 0.05 °C/W (model dependent) |
| Cooling Method | Natural convection / Forced-air |
| Operating Temperature | -20 °C to +100 °C |
| Mounting Type | Vertical / Horizontal / PCB / Chassis |
| Fan Option | DC 24 V or AC 230 V axial fan (optional) |
| Insulation Resistance | Over 100 MΩ @ 500 VDC |
| Protection | Anti-corrosion, dust-resistant coating (optional) |
| Weight | 80 g – 2.5 kg (depending on model) |
Model Selection Table
| Model | Dimensions (mm) | Thermal Resistance (°C/W) | Cooling Type | Mounting Type | Material / Finish |
|---|---|---|---|---|---|
| DHS-050N | 50 × 50 × 20 | 1.0 | Natural | PCB / Base mount | Aluminum / Black anodized |
| DHS-100F | 100 × 60 × 25 | 0.8 | Forced-air | Base mount | Aluminum / Black anodized |
| DHS-150V | 150 × 70 × 30 | 0.6 | Natural / Vertical fins | Panel mount | Aluminum / Natural finish |
| DHS-200C | 200 × 80 × 35 | 0.4 | Forced-air | Chassis mount | Aluminum / Black anodized |
| DHS-250X | 250 × 100 × 40 | 0.25 | Forced-air | Chassis mount | Copper base + Al fins |
| DHS-300F | 300 × 120 × 45 | 0.15 | Forced-air + fan | Base mount | Aluminum / Black anodized |
| DHS-400H | 400 × 150 × 50 | 0.08 | Hybrid (air + liquid) | Panel mount | Aluminum / Hard-anodized |
Applications
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Industrial power controllers and inverters
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LED lighting power supplies
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Servo drive and PLC modules
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DC motor controllers and battery chargers
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Power amplifiers and high-current regulators
Optional Accessories
| Part Number | Description |
|---|---|
| DHF-24V | 24 VDC axial cooling fan module |
| DHB-MNT01 | Universal mounting bracket kit |
| DHC-TRM02 | Thermal interface compound (high-conductivity silicone) |
| DHF-COV01 | Protective cover for fan-integrated type |
Ordering Example
Model: DHS-200C
Description: Heat sink, 200 mm × 80 mm × 35 mm, 0.4 °C/W, aluminum, forced-air cooling, black anodized finish
