18QHTF21-67.800-PD

18QHTF21-67.800-PD

$28.04
  • Description:67.8 MHz XO 1.8V 2.0X1.6 MM PD
  • Series:18QHTF21
  • Mfr:Mercury Electronics Ind. Co. Ltd
  • Package:Strip

SKU:9a94e054ff43 Category: Brand:

  
  • Quantity
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Product Detailed Parameters

  • Description:67.8 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:67.8 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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18QHTF21-67.800-PD

Buying Guide
Summary

Mercury Electronics Ind. Co. Ltd 18QHTF21-67-800-PD is used in Oscillators category where integration and verification need to stay predictable. Key specs include Description (67.8 MHz XO 1.8V 2.0X1.6 MM PD), Series (18QHTF21), Type (XO (Standard)), Packaging (Strip), and Supply (1.8V).

Selection Notes
  • For 18QHTF21-67-800-PD, make sure your rails cover (1.8V) across temperature and load, with adequate margin.
  • Confirm the output type (LVCMOS) and any level/threshold requirements for your system.
  • Verify the operating temperature range (-40°C ~ 85°C) and derate as needed in your application.
Alternates & Substitutions
  • For Oscillators, compare the datasheet test conditions behind key specs and re-check the margins that were tightest during bring-up.
  • Verify the alternate stays within supply 1.8V, temperature -40°C ~ 85°C across startup, load steps, and worst-case temperature.
  • When in doubt, treat the swap as an ECO: define acceptance criteria, then validate under worst-case operating corners.
  • If you want us to shortlist alternates, share your non-negotiables (package 4-SMD, No Lead, supply 1.8V, frequency 67.8 MHz) plus quantity and target delivery date.
FAQ

What details help you quote 18QHTF21-67-800-PD quickly?
Share the part number (18QHTF21-67-800-PD), quantity, target delivery date, and any packaging or documentation requirements.

What Height - Seated (Max) is listed for 18QHTF21-67-800-PD?
0.031" (0.80mm)

Can you confirm the Base Resonator for 18QHTF21-67-800-PD?
Crystal

Can you confirm the Function for 18QHTF21-67-800-PD?
Standby (Power Down)

Application Scenarios

When Mercury Electronics Ind. Co. Ltd 18QHTF21-67-800-PD is used in Oscillators designs, teams typically start by confirming interfaces, supply rails, operating envelope, and qualification expectations. In practice, a solid timing choice keeps margins stable by reducing sensitivity to supply ripple, temperature drift, and routing-induced noise. In practice, engineers often prefer timing parts with clear grounding and routing guidance, because layout decides whether jitter stays inside budget. In telecom and networking, jitter budgets and timing distribution determine link stability in 24/7 racks. In telecom and networking, timing components keep Ethernet switches and line cards synchronized in 24/7 racks with limited airflow and strict jitter budgets. Across industrial motion control, they stabilize capture timing and PWM generation in servo drives exposed to inverter EMI and large thermal gradients. The end result is more predictable performance, faster troubleshooting, and fewer surprises during production ramp.

Compatibility Advice
  • For second-source planning, verify supply filtering, grounding, and routing so jitter and phase noise stay inside budget on the real board. This keeps integration from depending on typical-only conditions.
Project Fit
  • Best fit for Oscillators when you can validate the key assumptions on the assembled system and keep acceptance criteria measurable.
18QHTF21-67.800-PD18QHTF21-67.800-PD
$28.04
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