High-Performance Aerogel Insulation Sheet for Aerospace & Electronics

Product Description

Product Description

Thermal Insulating Sheets for IGBT Transistor Applications

IGBTs (Insulated Gate Bipolar Transistors) are pivotal in high-power electronics, bridging the gap between MOSFETs and bipolar transistors. Operating in environments with extreme power loads, high junction temperatures, and high-voltage differentials, they demand uncompromising thermal management to prevent overheating and reliable electrical insulation from heat sinks and metal enclosures. Thermal insulating sheets deliver both, ensuring IGBTs perform at peak efficiency in critical systems.

Challenges in IGBT Operation
Operational Stress	Limitations of Traditional Solutions
High Power Dissipation	Thermal grease degrades under sustained heat, losing conductivity; thick mica sheets create thermal bottlenecks.
Voltage Isolation Requirements	Mica sheets crack under thermal cycling, risking insulation breakdown in high-voltage (kV-level) circuits.
Mechanical Vibration	Rigid insulation materials (e.g., ceramic) fail to absorb vibrations, leading to loosened connections.

How Thermal Insulating Sheets Empower IGBTs

Thermal insulating sheets are engineered to address IGBT-specific demands with three core attributes:
1. Efficient Heat Transfe
Boasting high thermal conductivity, these sheets rapidly channel heat from IGBT junctions to heat sinks, reducing thermal resistance and minimizing junction-to-ambient temperature differentials—critical for preventing thermal runaway in high-power modes.
2. Superior Electrical Isolation
Withstand extreme voltages (up to several kV) to maintain strict electrical separation between IGBTs and grounded heat sinks, eliminating the risk of short circuits in high-voltage inverters and converters.
3. Durability Under Stress
Flexible yet robust, they resist cracking from thermal expansion/contraction and absorb mechanical vibrations, ensuring long-term performance in dynamic environments like industrial machinery and vehicle powertrains.

Key Applications

Thermal insulating sheets enable reliable IGBT operation across industries:
Industrial Drives
In motor drives and frequency converters, they manage heat in IGBT modules, supporting precise speed control and heavy-load operation in manufacturing lines and robotics.
Electric Vehicles (EVs)
Within traction inverters, they insulate and cool IGBTs, facilitating efficient power conversion from batteries to motors while withstanding the vibrations and temperature fluctuations of automotive environments.
Renewable Energy Systems
In solar inverters and wind turbine converters, they protect IGBTs from outdoor elements, ensuring stable energy conversion even in harsh weather conditions.
Rail Transport
In traction converters for trains and trams, they handle the high power loads and continuous operation demands, enhancing system reliability and reducing maintenance downtime.

Specification

Feature	Test Result	Test Standard
Composition	Fiberglass, silicone	***
Normal Thickness	0.22 ± 0.2 mm	ASTM D751
Customized Thickness	0.15~1.0 mm	***
Density	2.2 g/cm³	ASTM D297
Shore Hardness	90 Shore A	ASTM D2240
Tensile Strength	450 psi	ASTM D412
Applicable Temperature	-50~200 °C	***
Breakdown Voltage	>4 kV@AC	ASTM D149
Dielectric Constant	5.5 1MHz	ASTM D150
Volume Resistivity	5.0*10^13 Ω·cm	ASTM D257
Fire Rating	V–0	UL 94
Thermal Conductivity	0.8 W/m·K	ASTM D5470
Thermal Impedance	0.8 °C·in²/W	ASTM D5470
RoHS	PASS	IEC 62321
Halogen	PASS	EN14582
REACH	PASS	EN14372

Performance Impact

Integrating thermal insulating sheets with IGBTs delivers measurable benefits:
·Enhanced Efficiency: Reduced thermal resistance lowers power loss, improving overall system efficiency by up to several percentage points.
·Extended Lifespan: Mitigated thermal stress and vibration damage extend IGBT lifespan, reducing replacement costs.
·Design Flexibility: Thin profiles and customizable shapes enable compact IGBT module designs, ideal for space-constrained applications.
Thermal insulating sheets are indispensable for unlocking the full potential of IGBTs, merging efficient heat dissipation with uncompromising electrical safety to drive innovation in high-power electronics.

Company Profile

Guangdong Dongsen Zhichuang Technology Co., Ltd.was established in 2019, located in Guangdong Province, China, with a registered capital of 5 million RMB. We operate two R&D Center in China and Japan, along with two production bases in Guangdong Province, China. With over 200 employees boasting 14 years of industry experience in research, development, and production, we specialize in manufacturing and selling thermal conductive materials such as thermal conductive silicone pads, thermal grease, thermal double-sided adhesive tape, thermal potting compound, thermal gel, thermal copper foil, copper foil tape, graphite sheets, and thermal ceramic sheets. Additionally, we offer customized die-cutting services for various products. We have been providing OEM customization services for major global thermal material brands for an extended period. Our clientele includes major players in industries such as new energy vehicles, computers, power supplies, LED lighting, 3C electronics, network communications, electro mechanical equipment, instrumentation, and consumer electronics. Our factory is certified under ISO9001, ISO14001, and IATF16949 systems, and our products hold authoritative certifications from third-party testing institutions like UL and SGS, ensuring compliance with requirements such as REACH\ROHS. We are globally recognized as a leading provider of thermal management solutions. We are committed to meeting customer needs by delivering high-quality products and providing fast and flexible services to maximize customer value. Through our dedication, we have established strong partnerships with major new energy vehicle manufacturers, telecommunications companies, leading smartphone brands, and professional equipment manufacturers worldwide, enabling us to serve customers globally.

FAQ

Q: What is the MOQ?
A: Standard MOQ is 200 pcs, but we support trial orders for new partners. 
 
Q: Can I request custom services?
A: Yes! We offer various customized services. 
 
Q: What's the lead time?
A:  7–10 days.  
 
Q: Can I buy samples placing orders?
A: Yes.Please feel free to contact us.
 
Q: Do you support OEM branding?
A: Yes – private labeling and OEM services available.