18QHTF21-68.18181-OE

18QHTF21-68.18181-OE

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

SKU:77242f14fd0f Category: Brand:

  
  • Quantity
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Product Detailed Parameters

  • Description:68.18181 MHz XO 1.8V 2.0X1.6 OE
  • Series:18QHTF21
  • Mfr:Mercury Electronics Ind. Co. Ltd
  • Package:Strip
  • Base Resonator:Crystal
  • Type:XO (Standard)
  • Frequency:68.18181 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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18QHTF21-68.18181-OE

Buying Guide
Summary

Mercury Electronics Ind. Co. Ltd 18QHTF21-68-18181-OE is used in Oscillators category where integration and verification need to stay predictable. Key specs include Description (68.18181 MHz XO 1.8V 2.0X1.6 OE), Series (18QHTF21), Type (XO (Standard)), Packaging (Strip), and Supply (1.8V).

Selection Notes
  • For 18QHTF21-68-18181-OE, confirm the output type (LVCMOS) is compatible with your interface expectations.
  • Confirm the operating temperature range (-40°C ~ 85°C) meets your deployment conditions.
  • Confirm Frequency Stability (±50ppm) and ensure it matches your integration requirements.
Alternates & Substitutions
  • For Oscillators, treat alternates as an integration task and validate the assumptions that matter on the assembled system.
  • Before looking at performance tables, lock package/case 4-SMD, No Lead, mounting Surface Mount, packaging Strip and verify the system envelope (supply 1.8V, temperature -40°C ~ 85°C) to avoid a non-drop-in swap.
  • Confirm compliance/qualification needs (for example RoHS/REACH or grade) before approving a second source for production.
  • Always compare the datasheet test conditions behind key specs (load, frequency, temperature) to avoid swapping in a part that was characterized differently.
FAQ

Who is the manufacturer of 18QHTF21-68-18181-OE?
Mercury Electronics Ind. Co. Ltd

Which Function is specified for 18QHTF21-68-18181-OE?
Enable/Disable

What Height - Seated (Max) does 18QHTF21-68-18181-OE have?
0.031" (0.80mm)

How is 18QHTF21-68-18181-OE supplied (packaging)?
Strip

Application Scenarios

When Mercury Electronics Ind. Co. Ltd 18QHTF21-68-18181-OE is used in Oscillators designs, teams typically start by confirming interfaces, supply rails, operating envelope, and qualification expectations. In real deployments, they generate, buffer, divide, or clean clocks so digital domains remain synchronized and interface margins stay within specification. In real deployments, key considerations are jitter, phase noise, aging, startup behavior, and how a clock tree is distributed across dense PCBs. 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. In industrial motion control, they stabilize capture timing and PWM generation in servo drives exposed to inverter EMI and large thermal gradients. In practice, predictable margins and repeatable validation are what keep field behavior consistent.

Compatibility Advice
  • In practice, verify that routing keeps sensitive clocks away from switch-node and high di/dt nets to avoid intermittent jitter issues before freezing the BOM.
Project Fit
  • Good fit when you can validate Mercury Electronics Ind. Co. Ltd 18QHTF21-68-18181-OE for Oscillators integration with the real wiring and cabling, and you care about stable synchronization over long runtimes and temperature drift.
  • Poor fit when thermal drift and aging are not considered but tight margins are expected, because validation would rely on assumptions that cannot be re-tested later.
18QHTF21-68.18181-OE18QHTF21-68.18181-OE
$28.04
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