18QHTF21-68.18181-PD

18QHTF21-68.18181-PD

$28.04
  • Description:68.18181 MHz XO 1.8V 2.0X1.6 PD
  • Series:18QHTF21
  • Mfr:Mercury Electronics Ind. Co. Ltd
  • Package:Strip

SKU:0cbd6da4bd04 Category: Brand:

  
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Product Detailed Parameters

  • Description:68.18181 MHz XO 1.8V 2.0X1.6 PD
  • Series:18QHTF21
  • Mfr:Mercury Electronics Ind. Co. Ltd
  • Package:Strip
  • Base Resonator:Crystal
  • Type:XO (Standard)
  • Frequency:68.18181 MHz
  • Function:Standby (Power Down)
  • Output:LVCMOS
  • Voltage - Supply:1.8V
  • Frequency Stability:±50ppm
  • Absolute Pull Range (APR):-
  • Operating Temperature:-40°C ~ 85°C
  • Spread Spectrum Bandwidth:-
  • Current - Supply (Max):26mA
  • Ratings:-
  • Mounting Type:Surface Mount
  • Package / Case:4-SMD, No Lead
  • Size / Dimension:0.079" L x 0.063" W (2.00mm x 1.60mm)
  • Height - Seated (Max):0.031" (0.80mm)
  • Supplier Device Package:-

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18QHTF21-68.18181-PD

Buying Guide
Summary

Mercury Electronics Ind. Co. Ltd 18QHTF21-68-18181-PD is sourced in Oscillators category when teams want clear constraints and a repeatable validation path. Key specs include Description (68.18181 MHz XO 1.8V 2.0X1.6 PD), Series (18QHTF21), Type (XO (Standard)), Packaging (Strip), and Supply (1.8V).

Selection Notes
  • For 18QHTF21-68-18181-PD, verify the package/case (4-SMD, No Lead) fits your mechanical constraints and assembly process.
  • Confirm the supply voltage requirement (1.8V) and any rail tolerance constraints.
  • Make sure the output type (LVCMOS) matches your interface requirements and levels.
Alternates & Substitutions
  • For Oscillators, validate alternates under worst-case corners rather than assuming typical-only conditions represent production builds.
  • Verify the alternate can be tested with your existing fixtures and acceptance criteria so production verification stays repeatable.
  • Validate the min/max operating conditions (supply 1.8V, temperature -40°C ~ 85°C) and keep headroom for worst-case corners.
  • If you are qualifying a second source, align documentation/traceability requirements early to avoid surprises in procurement.
FAQ

How do I confirm compatibility for 18QHTF21-68-18181-PD?
Match mechanical footprint first, then verify electrical limits and operating conditions against your system constraints.

Which supply current is specified for 18QHTF21-68-18181-PD?
26mA

What supply voltage range does 18QHTF21-68-18181-PD require?
1.8V

What Base Resonator does 18QHTF21-68-18181-PD have?
Crystal

Application Scenarios

In the Oscillators category, Mercury Electronics Ind. Co. Ltd 18QHTF21-68-18181-PD is often evaluated by how well it fits electrical, thermal, and mechanical constraints in the target system. Well-behaved timing distribution generally reduces intermittent failures by keeping edges clean and deterministic across manufacturing variance. They generate, buffer, divide, or clean clocks so digital domains remain synchronized and interface margins stay within specification. In automotive infotainment and camera links, stable clocking is validated across vibration and thermal cycling. In automotive infotainment and camera links, they support high-speed interfaces that must tolerate thermal cycling and vibration without frame errors. In measurement equipment, clean clocks reduce converter spurs and improve repeatability in benchtop instruments used for calibration workflows. The payoff is a system that is easier to qualify and less sensitive to small process and layout differences.

Compatibility Advice
  • In practice, confirm output format and voltage levels match the clock tree, including fan-out and termination needs with the real source, load, and wiring.
  • In qualification work, confirm drive level, load capacitance, and layout keep the resonator inside its recommended operating region over life. This keeps acceptance criteria measurable and repeatable.
Project Fit
  • More fragile when integrating Mercury Electronics Ind. Co. Ltd 18QHTF21-68-18181-PD for Oscillators, routing constraints prevent controlled impedance and clean return paths, because the behavior cannot be verified in a repeatable way.
18QHTF21-68.18181-PD18QHTF21-68.18181-PD
$28.04
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