18QHTF21-68.100-PD

18QHTF21-68.100-PD

$28.04
  • Description:68.1 MHz XO 1.8V 2.0X1.6 MM PD
  • Series:18QHTF21
  • Mfr:Mercury Electronics Ind. Co. Ltd
  • Package:Strip

SKU:fb795707d342 Category: Brand:

  
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Product Detailed Parameters

  • Description:68.1 MHz XO 1.8V 2.0X1.6 MM PD
  • Series:18QHTF21
  • Mfr:Mercury Electronics Ind. Co. Ltd
  • Package:Strip
  • Base Resonator:Crystal
  • Type:XO (Standard)
  • Frequency:68.1 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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18QHTF21-68.100-PD

Buying Guide
Summary

Mercury Electronics Ind. Co. Ltd 18QHTF21-68-100-PD is used in Oscillators category where integration and verification need to stay predictable. Key specs include Description (68.1 MHz XO 1.8V 2.0X1.6 MM PD), Series (18QHTF21), Type (XO (Standard)), Packaging (Strip), and Supply (1.8V).

Selection Notes
  • For 18QHTF21-68-100-PD, make sure the output type (LVCMOS) matches your interface requirements and levels.
  • Validate the operating temperature range (-40°C ~ 85°C) for your environment and margin.
  • Confirm Size / Dimension (0.079" L x 0.063" W (2.00mm x 1.60mm)) and ensure it matches your integration requirements.
Alternates & Substitutions
  • In Oscillators designs, define acceptance criteria up front so alternates can be qualified and repeated in production.
  • Make sure the alternate stays inside your system envelope: supply 1.8V, temperature -40°C ~ 85°C.
  • Confirm compliance/qualification needs (for example RoHS/REACH or grade) before approving a second source for production.
  • If substitutions are likely, write down the non-negotiables and re-check them when the supply chain changes, not after field failures.
FAQ

Who is the manufacturer of 18QHTF21-68-100-PD?
Mercury Electronics Ind. Co. Ltd

What is the supply current of 18QHTF21-68-100-PD?
26mA

Which Base Resonator is specified for 18QHTF21-68-100-PD?
Crystal

What is the supply voltage range of 18QHTF21-68-100-PD?
1.8V

Application Scenarios

In real deployments, when Mercury Electronics Ind. Co. Ltd 18QHTF21-68-100-PD is used in Oscillators designs, teams typically start by confirming interfaces, supply rails, operating envelope, and qualification expectations. Timing devices are often chosen for predictable startup, stable jitter performance, and clean distribution across noisy boards. In real products, clock behavior is validated against EMI sources, power integrity, and enclosure coupling paths. Once the interface and envelope are agreed, engineers focus on proving behavior on the actual PCB stack-up. In industrial motion control, timing components must resist inverter noise so capture and PWM timing remains repeatable. In embedded gateways, stable RTC and clocking improve logging accuracy and coordinated events across distributed sensor nodes. In high-speed digital designs, well-distributed clocks simplify timing closure and reduce re-spin risk caused by marginal setup/hold windows. When margins are designed in, performance tends to stay stable even when operating conditions are not ideal.

Compatibility Advice
  • To avoid late surprises, verify supply filtering, grounding, and routing so jitter and phase noise stay inside budget on the real board before release to production.
Project Fit
  • Works best when you can validate Mercury Electronics Ind. Co. Ltd 18QHTF21-68-100-PD for Oscillators integration in the final enclosure, when you can validate startup and sequencing behavior as part of system bring-up.
18QHTF21-68.100-PD18QHTF21-68.100-PD
$28.04
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