TO 46 Metal Header Base Hermetic Glass Sealed Kovar Package For Laser Diode

Brand Name:HUONA
Certification:ISO9001
Model Number:TO
Minimum Order Quantity:1
Delivery Time:a week
Payment Terms:T/T
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Location: Shanghai Shanghai China
Address: 1900 Mudanjiang Road, Baoshan District, 201999, Shanghai, China
Supplier`s last login times: within 20 hours
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Product Details

Product Name

TO-46 Metal Header Base | Hermetic Glass-Sealed Kovar Package for Laser Diode / Sensor


Product Overview

ItemDescription
Product TypeTO-46 Metal Header (Transistor Outline Header)
Package SizeØ9.0 mm (TO-46 Standard)
Sealing MethodGlass-to-Metal Hermetic Seal
Material CompositionKovar Body + Dumet/Kovar Leads
Plating OptionsGold (Au), Nickel (Ni), Silver (Ag)
Lead Count2–10 pins (customizable)
ApplicationsLaser Diodes, IR Sensors, Photodiodes, Gas Sensors, Fiber Optics
ComplianceRoHS, Reach
CustomizationLead layout, plating, glass material, pin length, sealing type

Technical Specifications

ParameterValue / Description
Header ModelTO-46
Body Diameter9.0 ± 0.1 mm
Lead Quantity2–10 (custom layouts available)
Lead PitchStandard / Custom
Base MaterialKovar (ASTM F15 Low Expansion Alloy)
Lead MaterialDumet / Kovar
PlatingGold / Nickel / Silver
Seal TypeGlass-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

Application Fields

IndustryApplications
OptoelectronicsLaser Diodes, Photodiodes, APDs, VCSELs
Gas SensorsCO₂, CH₄, O₂, VOC detectors using NDIR or electrochemical technologies
Infrared TechnologyThermopile sensors, IR detectors
Medical DevicesOptical sensors, pulse oximeters
Fiber OpticsTO-packaged laser transmitters and receivers
Aerospace / MilitaryHermetically sealed avionics & defense sensors

Manufacturing Advantages

AdvantageDescription
In-House Alloy ProductionFull control over Kovar and Dumet materials
Hermetic Sealing ExpertiseOver 10 years in glass-to-metal sealing technology
Precision MachiningHigh lead positioning accuracy and tight tolerance control
Surface Treatment OptionsCustom gold/nickel plating thickness per customer specs
Small Batch SupportLow MOQ available for prototype or niche applications
ISO-Certified Quality SystemFull traceability, RoHS & Reach compliance

Packaging & Delivery

ItemDetails
MOQ100 pcs (negotiable for first order or trial)
Lead Time7–15 working days depending on quantity
PackagingAnti-static trays → Vacuum bag → Foam-protected carton box
Shipping OptionsDHL / FedEx / UPS / Sea / Air freight
Sample PolicyFree samples available (freight collected)
Payment TermsT/T, PayPal, Alibaba Trade Assurance, L/C

Customization Capabilities

Customizable PartOptions Provided
Pin CountFrom 2 to 10 leads
Lead LayoutSymmetrical / Custom layouts upon drawing
Plating TypeGold (Au), Nickel (Ni), or Silver (Ag) with adjustable thickness
Glass MaterialBorosilicate / Aluminosilicate / Custom glass types
Sealing TypeHermetic seal / open-frame / partial seal
Matching CapCan be supplied with matching TO-46 metal cap (optional optical window)

Our R & D department design your product following your own specifcations



China TO 46 Metal Header Base Hermetic Glass Sealed Kovar Package For Laser Diode supplier

TO 46 Metal Header Base Hermetic Glass Sealed Kovar Package For Laser Diode

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