Industrial / Heat Sinks
SRQ-XJ-45
The SRQ-XJ-45 heat sink combines a thick base plate with tall, evenly spaced fins to handle significant power dissipation in continuous-duty industrial applications. The design accommodates standard screw-mount power packages with minimal additional hardware. Used in variable frequency drives, power distribution modules, and industrial heating controllers.
Key Features
- Thick base plate combined with tall fins handles significant power dissipation loads
- Tall fin geometry maximizes convective surface area for natural and forced cooling
- Heavy base ensures low spreading resistance for concentrated heat sources
- Evenly spaced fins maintain consistent airflow velocity across the entire array
- High-conductivity aluminum alloy minimizes base-to-fin thermal resistance
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-45 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 industrial inverters requiring maximum thermal dissipation capacity
Power semiconductor stacks in energy storage and conversion systems
Industrial laser power supplies with sustained high-duty-cycle operation
Large linear power amplifiers in test and measurement equipment
High-current battery charging systems with continuous thermal output
Frequently Asked Questions
What is the benefit of combining a thick base with tall fins?
A thick base reduces spreading resistance, ensuring heat from concentrated sources like power dies spreads laterally before reaching the fins. Tall fins then provide maximum surface area for convective transfer. This combination is particularly effective for high-power-density devices where both spreading and convective resistance must be minimized simultaneously.
Does fin height affect mechanical stability of the SRQ-XJ-45?
Tall fins can be susceptible to vibration-induced resonance in high-vibration environments. The SRQ-XJ-45 fin geometry is designed with sufficient wall thickness to maintain structural integrity under typical industrial vibration profiles. For extreme vibration applications, additional mechanical support or damping should be considered.
What thermal interface material is recommended for the SRQ-XJ-45?
For high-power applications, a high-conductivity thermal grease or phase-change pad with thermal conductivity above 3 W/m·K is recommended to minimize interface resistance. Ensure uniform application and appropriate mounting pressure per the power device manufacturer's specifications to achieve rated thermal performance.
SRQ-XJ-45 Details
CategoryIndustrial
SubcategoryHeat Sinks
Naming TemplateProduct name from catalog
BrandCZT
OriginChina
Drawing StatusRequest drawing
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Need a Custom Solution?
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