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| Categories | To Header |
|---|---|
| Brand Name: | HUONA |
| Model Number: | TO |
| Certification: | ISO 9001 |
| Place of Origin: | CHINA |
| MOQ: | 1 |
| Price: | negotiable |
| Payment Terms: | T/T |
| Supply Ability: | 100,000 pieces / week |
| Delivery Time: | a week |
| Packaging Details: | negotiable |
| Header Model: | TO-46 |
| Body Diameter: | 9.0 ± 0.1 mm |
| Lead Quantity: | 2–10 (custom layouts available) |
| Base Material: | Kovar (ASTM F15 Low Expansion Alloy) |
| Hermeticity: | ≤ 1×10⁻⁸ atm·cc/sec (He leak test) |
| Electrical Contact Resistance: | ≤ 10 mΩ |
| Company Info. |
| Huona (Shanghai) New Material Co., Ltd. |
| Verified Supplier |
| View Contact Details |
| Product List |
TO-46 Metal Header Base | Hermetic Glass-Sealed Kovar Package for Laser Diode / Sensor
| Item | Description |
|---|---|
| Product Type | TO-46 Metal Header (Transistor Outline Header) |
| Package Size | Ø9.0 mm (TO-46 Standard) |
| Sealing Method | Glass-to-Metal Hermetic Seal |
| Material Composition | Kovar Body + Dumet/Kovar Leads |
| Plating Options | Gold (Au), Nickel (Ni), Silver (Ag) |
| Lead Count | 2–10 pins (customizable) |
| Applications | Laser Diodes, IR Sensors, Photodiodes, Gas Sensors, Fiber Optics |
| Compliance | RoHS, Reach |
| Customization | Lead layout, plating, glass material, pin length, sealing type |
| Parameter | Value / Description |
|---|---|
| Header Model | TO-46 |
| Body Diameter | 9.0 ± 0.1 mm |
| Lead Quantity | 2–10 (custom layouts available) |
| Lead Pitch | Standard / Custom |
| Base Material | Kovar (ASTM F15 Low Expansion Alloy) |
| Lead Material | Dumet / Kovar |
| Plating | Gold / Nickel / Silver |
| Seal Type | Glass-to-Metal Hermetic |
| Hermeticity | ≤ 1×10⁻⁸ atm·cc/sec (He leak test) |
| Working Temperature | -55°C to +150°C |
| Electrical Contact Resistance | ≤ 10 mΩ |
| Dielectric Strength | ≥ 500V DC |
| Lead Straightness | ≤ 0.2 mm deviation |
| Lead Concentricity | ≤ 0.15 mm |
| Industry | Applications |
|---|---|
| Optoelectronics | Laser Diodes, Photodiodes, APDs, VCSELs |
| Gas Sensors | CO₂, CH₄, O₂, VOC detectors using NDIR or electrochemical technologies |
| Infrared Technology | Thermopile sensors, IR detectors |
| Medical Devices | Optical sensors, pulse oximeters |
| Fiber Optics | TO-packaged laser transmitters and receivers |
| Aerospace / Military | Hermetically sealed avionics & defense sensors |
| Advantage | Description |
|---|---|
| In-House Alloy Production | Full control over Kovar and Dumet materials |
| Hermetic Sealing Expertise | Over 10 years in glass-to-metal sealing technology |
| Precision Machining | High lead positioning accuracy and tight tolerance control |
| Surface Treatment Options | Custom gold/nickel plating thickness per customer specs |
| Small Batch Support | Low MOQ available for prototype or niche applications |
| ISO-Certified Quality System | Full traceability, RoHS & Reach compliance |
| Item | Details |
|---|---|
| MOQ | 100 pcs (negotiable for first order or trial) |
| Lead Time | 7–15 working days depending on quantity |
| Packaging | Anti-static trays → Vacuum bag → Foam-protected carton box |
| Shipping Options | DHL / FedEx / UPS / Sea / Air freight |
| Sample Policy | Free samples available (freight collected) |
| Payment Terms | T/T, PayPal, Alibaba Trade Assurance, L/C |
| Customizable Part | Options Provided |
|---|---|
| Pin Count | From 2 to 10 leads |
| Lead Layout | Symmetrical / Custom layouts upon drawing |
| Plating Type | Gold (Au), Nickel (Ni), or Silver (Ag) with adjustable thickness |
| Glass Material | Borosilicate / Aluminosilicate / Custom glass types |
| Sealing Type | Hermetic seal / open-frame / partial seal |
| Matching Cap | Can be supplied with matching TO-46 metal cap (optional optical window) |
Our R & D department design your product following your own
specifcations
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