Crystal and OCXO bases provide a hermetic floor with stable CTE and defined pin layout for timing references. Base outline must match the oscillator die and any oven or TEC stack inside the seal.
Pair with die-level thermal — laser submount catalog, datacom submounts, or order SiC/ALN samples.
Confirm pin count, seal height, and whether you need a grounded package floor. OCXO bases often integrate feedthroughs for heater and sense lines — match your ASIC pinout before quoting.
11 outlines in catalog
Crystal or OCXO package base — 49S-2P3L-SMD.
Typical use: Timing references and OCXOs that need a hermetic base with stable CTE and defined pin layout.
Why this line: Base outline must match your oscillator die and any internal oven/TEC stack before seal.
Crystal or OCXO package base — 49S-SMD-4.2.
Typical use: Timing references and OCXOs that need a hermetic base with stable CTE and defined pin layout.
Why this line: Base outline must match your oscillator die and any internal oven/TEC stack before seal.
Crystal or OCXO package base — AT-49E.
Typical use: Timing references and OCXOs that need a hermetic base with stable CTE and defined pin layout.
Why this line: Base outline must match your oscillator die and any internal oven/TEC stack before seal.
Crystal or OCXO package base — AT-51.
Typical use: Timing references and OCXOs that need a hermetic base with stable CTE and defined pin layout.
Why this line: Base outline must match your oscillator die and any internal oven/TEC stack before seal.
Crystal or OCXO package base — UM Crystal Package Base.
Typical use: Timing references and OCXOs that need a hermetic base with stable CTE and defined pin layout.
Why this line: Base outline must match your oscillator die and any internal oven/TEC stack before seal.
Crystal or OCXO package base — 14×9 mm Oscillator Base.
Typical use: Timing references and OCXOs that need a hermetic base with stable CTE and defined pin layout.
Why this line: Base outline must match your oscillator die and any internal oven/TEC stack before seal.
Crystal or OCXO package base — 18+4.
Typical use: Timing references and OCXOs that need a hermetic base with stable CTE and defined pin layout.
Why this line: Base outline must match your oscillator die and any internal oven/TEC stack before seal.
Crystal or OCXO package base — OCXO Package Base.
Typical use: Timing references and OCXOs that need a hermetic base with stable CTE and defined pin layout.
Why this line: Base outline must match your oscillator die and any internal oven/TEC stack before seal.
Crystal or OCXO package base — OCXO Package Housing.
Typical use: Timing references and OCXOs that need a hermetic base with stable CTE and defined pin layout.
Why this line: Base outline must match your oscillator die and any internal oven/TEC stack before seal.
Crystal or OCXO package base — OSC Half-Size Base.
Typical use: Timing references and OCXOs that need a hermetic base with stable CTE and defined pin layout.
Why this line: Base outline must match your oscillator die and any internal oven/TEC stack before seal.
Crystal or OCXO package base — OSC Full-Size Base.
Typical use: Timing references and OCXOs that need a hermetic base with stable CTE and defined pin layout.
Why this line: Base outline must match your oscillator die and any internal oven/TEC stack before seal.
Crystal & OCXO bases
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