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HEAT SINK

Denki Seigyo High-Performance Heat Sink

The Denki Seigyo High-Performance Heat Sink offers efficient thermal management for industrial electronics, power modules, and high-density controller systems. Engineered with premium aluminum (or optional copper) fin structures, this heat sink rapidly dissipates heat to maintain optimal operating temperatures, extending component life and ensuring reliable performance even in demanding environments.

Key Features:

  • Low thermal resistance fin design for fast heat dissipation

  • Robust mounting options for secure installation in industrial assemblies

  • Compatible with forced-air or passive cooling configurations

  • Durable finish suitable for harsh industrial conditions (dust, vibration)

  • Flexible size configurations to match power module footprint

Category:
HEAT SINK

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

  • High-efficiency aluminum or copper alloy fins for excellent heat conduction

  • Optimized surface area for both natural and forced-air cooling

  • Low thermal resistance design for stable temperature control

  • Multiple fin and base configurations for vertical or horizontal mounting

  • Compact, lightweight construction for space-restricted enclosures

  • Black anodized finish for corrosion resistance and enhanced emissivity

  • Optional integrated fan module for high-power applications

  • 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

  • Industrial power controllers and inverters

  • LED lighting power supplies

  • Servo drive and PLC modules

  • DC motor controllers and battery chargers

  • 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