Industrial / Heat Sinks
SRQ-XJ-39
The SRQ-XJ-39 heat sink provides robust thermal dissipation for high-power components in demanding industrial environments. The wide base plate accommodates multiple device mounting points, simplifying thermal management in multi-component layouts. Applicable in welding equipment, industrial power supplies, and traction control systems.
Key Features
- Heavy-duty construction rated for high-power industrial component cooling
- Deep fin channels promote high-velocity airflow and superior heat transfer
- Robust base plate withstands mechanical stress from large power modules
- Suitable for continuous-duty operation in harsh industrial environments
- Available with pre-drilled mounting holes for standard power device footprints
Key Specifications
- Product type: heat sink / thermal management component
- Application focus: optical transceiver, networking, power electronics, or industrial electronics thermal management
- Material: aluminum alloy reference; confirm final alloy, temper, and finish during RFQ
- Process note: confirm extrusion, die casting, CNC machining, skiving, bonding, or surface finishing from the customer drawing
- +3 more specs below
Request drawing: This product has local image and specification coverage. Ask sales to confirm the latest drawing revision before sampling or tooling review.
SRQ-XJ-39 Specifications
Product typeheat sink / thermal management component
Application focusoptical transceiver, networking, power electronics, or industrial electronics thermal management
Materialaluminum alloy reference; confirm final alloy, temper, and finish during RFQ
Process noteconfirm extrusion, die casting, CNC machining, skiving, bonding, or surface finishing from the customer drawing
Drawing statusRequest Drawing during RFQ; local PDF not available from the legacy archive
Asset statusOld-site product image available
RFQ checkconfirm dimensions, fin geometry, thermal interface, mounting method, surface finish, packaging, and drawing revision
Typical Applications
High-power IGBT modules in industrial inverter systems
Three-phase variable frequency drives with elevated thermal output
Welding machine power stages requiring sustained heat dissipation
Industrial servo amplifiers operating at full continuous load
High-current rectifier assemblies in electroplating power supplies
Frequently Asked Questions
What makes the SRQ-XJ-39 suitable for demanding industrial environments?
The SRQ-XJ-39 uses a reinforced extruded aluminum profile with a thick base to handle mechanical vibration and thermal cycling. Its deep fin array maintains structural integrity under repeated thermal expansion, making it reliable in factory automation, heavy machinery, and outdoor industrial enclosures.
Does the SRQ-XJ-39 support forced-air cooling configurations?
Yes. The fin channel geometry is optimized for both natural and forced convection. When paired with a 24V DC axial fan, thermal resistance can be reduced significantly, allowing the heat sink to handle power dissipation well above its natural convection rating.
What surface treatment does the SRQ-XJ-39 use?
The SRQ-XJ-39 features a black anodized finish, which increases surface emissivity for improved radiative heat transfer and provides corrosion protection suitable for industrial environments with humidity, dust, or mild chemical exposure.
SRQ-XJ-39 Details
CategoryIndustrial
SubcategoryHeat Sinks
Naming TemplateProduct name from catalog
BrandCZT
OriginChina
Drawing StatusRequest drawing
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Need a Custom Solution?
CZT offers OEM/ODM services with flexible MOQ. Contact our engineering team for custom connector solutions.