All Products
-
Alfred***We received the goods, everything went fine. Perfect packaging, good product quality, good price - we are satisfied.
-
May***The product quality is very good, beyond my expectations, the actual use of fully meet my needs, we will buy again.
-
Matthew***I bought low expansion alloy from Joy, She is a very responsible lady, Tankii's products quality is pretty good.
TO63-03A Hermetic Sealing Package for Power Devices

Contact me for free samples and coupons.
WhatsAPP:0086 18588475571
Wechat: 0086 18588475571
Skype: sales10@aixton.com
If you have any concern, we provide 24-hour online help.
xProduct Details
Housing Material | Kovar Alloy Or 304 Stainless Steel | Number Of Pins | 3 Pins (customizable To 4, 6,8 Etc.) |
---|---|---|---|
Plating Options | Nickel, Gold (0.5–2μm Thickness) | Glass Insulator | Borosilicate Or High-insulation Custom Glass |
Hermeticity | ≤1×10⁻⁸ Atm·cc/sec (He Leak Test) | Dimensional Customization | Available Upon Customer Drawings |
Highlight | TO63-03A hermetic sealing package,power device TO header,hermetic TO63 power package |
You can tick the products you need and communicate with us in the message board.
Product Description
TO63-03A Hermetic Sealing Package for Power Devices
Product Attributes
Attribute | Value |
---|---|
Housing Material | Kovar alloy or 304 stainless steel |
Number of Pins | 3 pins (customizable to 4, 6,8 etc.) |
Plating Options | Nickel, Gold (0.5–2μm thickness) |
Glass Insulator | Borosilicate or high-insulation custom glass |
Hermeticity | ≤1×10⁻⁸ atm·cc/sec (He leak test) |
Dimensional Customization | Available upon customer drawings |
Product Overview
Product Name: TO63-03A Hermetic Sealing Package
Model Number: TO63-03A
Package Type: TO-style metal can (Transistor Outline)
Sealing Technology: Glass-to-Metal Sealing (GTMS)
Materials:
- Housing: Kovar alloy (Fe-Ni-Co) or stainless steel
- Pins: Kovar, Dumet, or custom conductive materials
- Insulation Medium: Borosilicate or high-insulation glass
Key Features & Advantages
- Excellent hermeticity with leak rate ≤1×10⁻⁸ atm*cc/sec (helium leak test), suitable for aerospace, defense, and high-reliability applications
- Wide temperature range from -55°C to +300°C for use in extreme environments
- Strong mechanical structure with high resistance to vibration and shock
- Effective thermal path through the TO-style metal base, ideal for power components and heat-sensitive devices
- Full customization available: pin configuration, plating thickness, housing size, materials, etc.
Technical Specifications (Customizable)
Item | Specification / Range |
---|---|
Housing Material | Kovar alloy or 304 stainless steel |
Number of Pins | 3 pins (customizable to 4, 6,8 etc.) |
Plating Options | Nickel, Gold (0.5-2μm thickness) |
Glass Insulator | Borosilicate or high-insulation custom glass |
Hermeticity | ≤1×10⁻⁸ atm*cc/sec (He leak test) |
Operating Temp. | -55°C to +300°C |
Surface Finish | Nickel plated, gold plated, or blackened |
Dimensional Customization | Available upon customer drawings |
Packaging | Vacuum sealed, anti-static bag, foam tray |
Application Fields
- Laser diode and VCSEL packaging
- Infrared sensor and detector modules
- Power electronics: IGBT, MOSFET, and high-current transistors
- RF and microwave device packaging
- Medical sensor modules requiring hermetic enclosures
- Aerospace, defense, and industrial electronics
Available Documentation & Support
- 2D/3D drawings in PDF or STEP format
- Helium leak and material composition reports
- RoHS and REACH compliance certificates
- OEM/ODM customization available from prototype to volume
- Technical consulting for packaging layout, sealing process, and thermal design
- Our R & D department design your product following your own specifications



Recommended Products