High-performance Thermal Conductive Insulator Caps TO-220/TO-3P

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US $1.5-2 / Pieces | 2 Piece/Pieces (Min. Order)
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Quick Details
Place of Origin:
Guangdong, China (Mainland)
Brand Name:
Model Number:
Insulation Film
High Voltage
Rated Voltage:
4800 V
Tensile Strength:
60 KG/CM2
Thermal Conductivity:
Fiberglass or Polyimide
pink or back
80 shore A
Supply Ability
Supply Ability:
100 Roll/Rolls per Day
Packaging & Delivery
Packaging Details
SinoGuide Standard Package or Customized
HongKong, Shenzhen, Shanghai
Lead Time :
4 working days


                                 Thermal Conductive Insulator Cap TO-220/TO-3P







1.6 W/mk Thermal Conductivity
High conformability and cost effective
Excellent electrically insulating mounted applications




Between high power component (such as MOSFET) and a heatsink for screw and clip mounted application

DC/AC Inverter, Power Supply
Photovoltaic Power System



Color PinkBlackVisual
Thickness (mm)0.229;0.30;0.450.20~0.80----
CarrierFiberglasswithout fiberglass----
Hardness (Shore A)8080ASTM D2240
Tensile Strength (Kg/cm2)6060ASTM D412
Continuous Use Temp (℃)-40 ~ 200-40 ~ 200EN344
Breakdown Voltage (Vac)≥4800≥5000ASTM D149
Dielectric Constant (60 Hz)3.66.6ASTM D150
Dielectric Constant (1000 Hz)3.66.6 
Dielectric Constant (1M Hz)3.56.6 
Volume Impedance (ohm-cm)1 x1071.2x107ASTM D257
Thermal Conductivity (W/m.k) 1.61.6ASTM D5470



Roll sizes:

Standard Roll Form: width: 300mm, length: 50m or 76m; TO-220.TO-3P; TO-220A,TO-3PA

TO-220.TO-3P; TO-220A,TO-3PA, Custom Thermal Conductive Cap Available 

Custom Die-cut parts available


Part No. Code:



Suffix: Different Options For thermal Pad as below


“A1” suffix: One side additional adhesive such as 3M 467, 3M9448

“A2” suffix: Two sides additional adhesive such as 3M 467, 3M9448

“NA” suffix: Natural tacky

"D" suffix: one side tacky and non-tacky on the other side

"M" suffix: Fiberglass reinforcement in the middle layer

"F" suffix: Fiberglass reinforcement on top or bottom layer


Check List of Reliability Test Report for TCI160 is available after your request




Below info will be helpful for your right application

How to transfer or dissipate the heat from the heat-generating components to heat sinks?

How To Select the Right Thermal Interface Materials for your new application?

Pls feel free to contact us as Thermal Management Solutions available in SinoGuide.


Product Photos:






Company Information:



Our Advantage:





 1: Can I get free sample? 

 Yes, SinoGuide is glad to offer free samples if you are a qualified and returning customer, however, if the sample is expensive, like large size , SinoGuide has to charge some basic cost of the sample. For the new customer, samples fee will be deducted from the initial bulk order.

 2:Does SinoGuide accept OEM or Customized production?

 Yes, SinoGuide is capable in developing products according to your requirements; quotation will be available within 24 hours after getting all the details of desired products.

 3: How to customized a sample?

 If you are ordering a unique sample that SinoGuide doesn't have in stock, you need to supply all the production detail, it will be better if you can provide a sample for our evaluation and testing. A customized sample maybe requires new molding, which will cost molding fee. SinoGuide will examine your sampling requirement, then issue a sampling P/I. Sampling may take 1-2 weeks depends on detailed samples.

 4: How to ship the order?

 SinoGuide usually sends packages by air, which is fast. There are many good international couriers for options; DHL, UPS, FedEX, and EMS are the most popular. If a buyer has any DHL, UPS, FedEX account, we can ship the package under your account.For bulk order, SinoGuide usually ship by sea, a sea shipment will require much more Customs and shipping documentation than air shipment.

 5:Is there promotion price for big buyer?

 Yes, if you are a big buyer in a certain area, SinoGuide will offer you a promotion price, which will help you to start our business there. Long term cooperation buyer will have better prices.