Mosfet Transistor IGBT Transistor Heat Sink Plate Aln Aluminum Nitride Ceramic Pad

• Customization: Available
• Application: Refractory, Structure Ceramic
• Type: Ceramic Plates
• Model NO.: HBF-E003
• Name: Aluminum Nitride Ceramic Sheet
• Size: Customized
• Custom: Yes
• Color: Grey
• Drawing: Yes
• Certification: ISO9001
• Surface: Smooth
• Material: Aluminum Nitride
• Transport Package: Export Carton
• Specification: customized
• Trademark: HIGHBORN
• Origin: Jiangsu, China
• Production Capacity: 10000PCS Per Month
• Package Size: 15.00cm * 10.00cm * 5.00cm
• Package Gross Weight: 0.200kg

Product Description

Product Description

ALN plate heat sink

AlN ceramic heat sink is high-purity aluminum nitride heat dissipation component, optimized for high-power electronic thermal management, fully compliant with semiconductor, power module, LED cooling demands. 
Core Quantitative Data Index:

ALN sheet

Thermal Conductivity: Standard grade ≥170 W/m·K, high-grade up to 185 W/m·K, 7–10x higher than 96% alumina ceramic
Dielectric Strength: 15–17 kV/mm, withstand high voltage without breakdown
CTE (Thermal Expansion Coefficient): 4.3–4.8×10-6/K, nearly match silicon/SiC/GaN chip, reduce thermal stress cracking rate by 92%
Purity: 98%–99.5% AlN raw material, density 3.32 g/cm³
Max Working Temp: 1200℃ air atmosphere, excellent thermal shock resistance ΔT=400℃
Dimensional Tolerance: ±0.005mm, surface roughness Ra≤0.02μm, ultra-flat bonding surface

Perfect Electrical Insulation Safety 
15kV/mm breakdown voltage, no electric leakage risk for high-power IGBT/MOSFET, eliminate short circuit failure caused by conductive heat sink
Low Thermal Expansion Matching Chip 
CTE close to silicon wafer, long-term continuous working 10,000h without delamination, reduce after-sales failure rate over 85%

Aluminum nitride plate

Processing: CNC cutting, drilling, slotting, metallization, chamfering
Drawing Support: Accept STEP/DWG/PDF custom drawing, 3D design free for bulk order
Sample Lead Time: 7–15 working days; mass order: 15–35 days based on quantity

Main Application Scenarios (High Search Volume Industries)
Power electronics: IGBT, MOSFET, power diode, servo drive module
Optoelectronics: High-power UV LED, COB LED, laser diode heat spreader

Semiconductor: SiC/GaN power chip, RF amplifier, microwave device
New energy: EV charger, photovoltaic inverter, energy storage module

Q: What is the thermal conductivity of your AlN heat sink? 

A: Our standard aluminum nitride heat sink reaches ≥170W/m·K, much higher than alumina ceramic heat sink, ideal for high power IGBT and LED cooling.

Technical Specifications

(The above data is only for your reference)

Property Content	Unit	Property Index
Density	g/cm3	≥3.30g/cm3
Water absorption	%	0
Thermal conductivity	(20 ℃,W/m.k)	≥170
Linear expansion coefficient	(RT-400℃,10-6)	4.4
Flexural strength	Mpa	≥330
Bulk resistance	Ω.cm	≥1014
Dielectric constant	1MHz	9.0
Dissipation factor	1MHz	3 x 10-4
Dielectric strength	KV/mm	≥15
Surface roughness	Ra(μm)	0.3~0.5
Camber	(~25.4(length))	0.03~0.05
Appearance		Dense

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ISO9001:2015 Quality Management System

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Period of validity:
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Packaging & Shipping

Reliable Fragile Product Packaging & Comprehensive Shipping Protection

Targeting the fragile, high-precision characteristics of industrial ceramic and quartz products, we adopt standardized export-grade shockproof packaging and professional global transportation solutions. Finished products go through independent wrapping, anti-collision foam filling and thickened carton or wooden box reinforcement, greatly reducing the risk of breakage, scratch and deformation during transit. We support customized brand packaging, exclusive shipping marks and standardized export packaging standards, and adapt to multiple transportation modes including sea freight, air freight and international express. With mature logistics docking experience and full-link cargo protection measures, we aim to improve the safety and integrity of product delivery for global industrial customers.

R&D Strength & Mature Project Experience

Independent R&D Innovation + Verified Similar Overseas Project Cases

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We boast extensive overseas project experience and have long provided services to worldwide clients covering similar target markets, customer groups and product specifications. Our well-established, replicable project cases comply with major international standards.

Stable Capacity & Fair Pricing

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FAQ

Q1: Can you provide exclusive customized solutions for special project demands? 
A1: Yes. In addition to conventional OEM and ODM customization, we can develop exclusive product structures, adjust technical parameters and optimize solutions according to special project standards, regional industry specifications and personalized buyer requirements, providing one-to-one customized technical support.
 
Q2: Do you support third-party factory inspection and product random testing? 
A2: We support on-site factory audit and offline random inspection by buyers or authoritative third-party institutions. Our standardized production process, complete quality records and standardized management system can comply with mainstream international factory inspection standards.
 
Q3: How do you ensure on-time delivery for bulk orders? 
A3: We have a scientific production scheduling system and sufficient material reserve chain. According to order quantity and delivery cycle, we will formulate a detailed production plan, arrange special personnel to track progress in real time, and effectively avoid delivery delays to ensure stable and punctual shipment of bulk and urgent orders.
 
Q4: Why is your factory price more stable than trading companies? 
A4: As a direct manufacturer, we control all links from raw material procurement, production processing to finished product output. There is no intermediate markup, and we can adjust costs according to long-term cooperative orders, maintaining stable and transparent pricing for long-term strategic partners.
 
Q5: What customized service items can you support besides product structure? 
A5: Besides structural size and precision tolerance customization of industrial ceramic and quartz products, we support personalized services including custom deep processing, surface treatment, laser marking, custom packaging and technical document customization to meet different industrial and brand standards.