Industrial / Heat Sinks
SRQ-HJ-18
The SRQ-HJ-18 (SRQ-HJ-18) is a medium-profile industrial heat sink built for reliable thermal control of power conversion equipment operating in continuous-duty cycles. Its staggered fin arrangement enhances turbulent airflow and improves heat transfer efficiency compared to straight-fin designs. The SRQ-HJ-18 is commonly specified for three-phase inverters, battery management systems, and industrial charging equipment where thermal stability directly impacts system longevity.
Key Features
- Medium-profile design balances thermal performance with enclosure height constraints
- Optimized for power conversion equipment operating in continuous duty cycles
- Uniform fin spacing prevents dust accumulation in industrial environments
- Aluminum alloy construction provides excellent strength-to-weight ratio
- Compatible with standard power module footprints for drop-in thermal solutions
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-HJ-18 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
Thermal management of DC-AC inverter power stages
Cooling of power factor correction module components
Heat dissipation in industrial battery charger assemblies
Thermal control of switch-mode power supply output stages
Cooling of power conversion modules in renewable energy systems
Frequently Asked Questions
What makes the SRQ-HJ-18 suitable for power conversion applications?
Power conversion equipment generates sustained, high-density heat loads during continuous operation. The SRQ-HJ-18's medium-profile fin array and robust base are engineered to maintain stable thermal resistance over long duty cycles, preventing thermal runaway in components such as IGBTs, diodes, and power MOSFETs.
How does fin spacing affect dust accumulation on the SRQ-HJ-18?
Wider fin spacing reduces the tendency for dust and particulate matter to bridge between fins and block airflow, which is critical in industrial environments. The SRQ-HJ-18's fin pitch is selected to balance thermal surface area with long-term airflow maintenance in dusty conditions.
Can the SRQ-HJ-18 be used in outdoor power conversion enclosures?
The anodized aluminum construction of the SRQ-HJ-18 provides corrosion resistance suitable for many outdoor applications. For harsh outdoor environments with salt spray or chemical exposure, additional protective coatings may be required. Consult CZT for application-specific guidance.
SRQ-HJ-18 Details
CategoryIndustrial
SubcategoryHeat Sinks
Naming TemplateProduct name from catalog
BrandCZT
OriginChina
Drawing StatusRequest drawing
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