18QHTF21-68.1818-OE

18QHTF21-68.1818-OE

$28.04
  • Description:68.1818 MHz XO 1.8V 2.0X1.6MM OE
  • Series:18QHTF21
  • Mfr:Mercury Electronics Ind. Co. Ltd
  • Package:Strip

SKU:b28f7e05e2ff Category: Brand:

  
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Product Detailed Parameters

  • Description:68.1818 MHz XO 1.8V 2.0X1.6MM OE
  • Series:18QHTF21
  • Mfr:Mercury Electronics Ind. Co. Ltd
  • Package:Strip
  • Base Resonator:Crystal
  • Type:XO (Standard)
  • Frequency:68.1818 MHz
  • Function:Enable/Disable
  • 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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18QHTF21-68.1818-OE

Buying Guide
Summary

Mercury Electronics Ind. Co. Ltd 18QHTF21-68-1818-OE is used in Oscillators category where integration and verification need to stay predictable. Key specs include Description (68.1818 MHz XO 1.8V 2.0X1.6MM OE), Series (18QHTF21), Type (XO (Standard)), Packaging (Strip), and Supply (1.8V).

Selection Notes
  • For 18QHTF21-68-1818-OE, check Current - Supply (Max) (26mA) against the datasheet conditions and your system-level constraints.
  • Double-check the mounting type (Surface Mount) for your intended installation method.
  • Confirm the supply current (26mA) is acceptable for standby and active operation.
  • Confirm the operating frequency (68.1818 MHz) and any related tolerance requirements.
Alternates & Substitutions
  • For Oscillators, treat alternates as an integration task and validate the assumptions that matter on the assembled system.
  • Start with mechanical equivalence and keep package/case 4-SMD, No Lead, mounting Surface Mount, packaging Strip aligned so the alternate is footprint-safe.
  • 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.
FAQ

What details help you quote 18QHTF21-68-1818-OE quickly?
Share the part number (18QHTF21-68-1818-OE), quantity, target delivery date, and any packaging or documentation requirements.

What current consumption is specified for 18QHTF21-68-1818-OE?
26mA

What Size / Dimension does 18QHTF21-68-1818-OE have?
0.079" L x 0.063" W (2.00mm x 1.60mm)

Can you confirm the Base Resonator for 18QHTF21-68-1818-OE?
Crystal

Application Scenarios

For Mercury Electronics Ind. Co. Ltd 18QHTF21-68-1818-OE in the Oscillators category, teams usually prioritize documentation clarity and repeatable behavior in production. Timing devices are often chosen for predictable startup, stable jitter performance, and clean distribution across noisy boards. Across real products, clock behavior is validated against EMI sources, power integrity, and enclosure coupling paths. With the fundamentals covered, engineers usually validate the remaining assumptions in the exact use-case and mechanical stack-up. In practice, within industrial motion control, timing components must resist inverter noise so capture and PWM timing remains repeatable. Within embedded gateways, stable RTC and clocking improve logging accuracy and coordinated events across distributed sensor nodes. Across high-speed digital designs, well-distributed clocks simplify timing closure and reduce re-spin risk caused by marginal setup/hold windows. A well-bounded selection simplifies qualification and makes future substitutions easier to manage.

Compatibility Advice
  • For compatibility, verify that routing keeps sensitive clocks away from switch-node and high di/dt nets to avoid intermittent jitter issues. This keeps integration from depending on typical-only conditions.
Project Fit
  • Ideal when you can qualify Mercury Electronics Ind. Co. Ltd 18QHTF21-68-1818-OE for Oscillators integration in the final enclosure, typically when you can measure and verify jitter and spurs during validation.
  • Riskier when integrating Mercury Electronics Ind. Co. Ltd 18QHTF21-68-1818-OE for Oscillators, there is no practical way to validate jitter on the assembled board, because integration risk stays high when key margins cannot be measured.
18QHTF21-68.1818-OE18QHTF21-68.1818-OE
$28.04
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