18QHTF21-77.850-OE

$28.04

Description：77.85 MHz XO 1.8V 2.0X1.6 MM OE
Series：18QHTF21
Mfr：Mercury Electronics Ind. Co. Ltd
Package：Strip

SKU:c0bd3ec25573 Category: Oscillators Brand: Mercury Electronics Ind. Co. Ltd

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Product introduction

Product Detailed Parameters

Description：77.85 MHz XO 1.8V 2.0X1.6 MM OE
Series：18QHTF21
Mfr：Mercury Electronics Ind. Co. Ltd
Package：Strip
Base Resonator：Crystal
Type：XO (Standard)
Frequency：77.85 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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18QHTF21-77.850-OE

Overview

The 18QHTF21-77.850-OE is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co., Ltd. It operates at a frequency of 77.85 MHz and utilizes LVCMOS output logic levels. The device supports a supply voltage of 1.8V and includes an enable/disable control function for power management. It is housed in a compact 4-SMD, no lead package suitable for surface mount applications.

Feature Summary

LVCMOS output interface
Enable/disable control functionality
Surface mount packaging

Applications

General clock signal generation
Digital circuit timing references
Embedded system clocks

Procurement Notes

Verify the specific part number suffix against official manufacturer documentation to ensure correct voltage and output type specifications. Confirm that the 1.8V supply requirement aligns with the target system design before procurement.

Selection Notes

Select this component when a 77.85 MHz clock source with LVCMOS compatibility is required. Ensure the design accommodates the 1.8V operating voltage and utilizes the specified 4-SMD footprint for proper integration.

Part Context

This oscillator belongs to the Mercury Electronics XO series, which provides standard frequency control solutions. The brand has extensive experience in quartz crystal manufacturing, offering various oscillator types including TCXO and VCXO for diverse electronic applications.

Replacement Considerations

Cross-reference with other 77.85 MHz LVCMOS oscillators in 4-SMD packages. Verify pinout compatibility and electrical parameters such as load capacitance and drive level before substituting.

How to buy

Online and offline orders are supported. If the item is available for online purchase, you can place it in the cart; for wholesale pricing, please contact our product manager for a quote.

Payment Method

Payment methods: T/T, WeChat Pay, credit cards, Google Pay, Apple Pay . Buyer covers shipping, fees, duties, and taxes; contact our product manager if you need a contract/procurement process.

Delivery time

In-stock items usually ship within 24 hours. Otherwise, shipment is arranged 1 to 2 days after the items arrive at our warehouse. Timing depends on destination and shipping method.

Freight calculation

Freight cost depends on destination, package size, and weight . We offer shipping options via DHL, FedEx, UPS, and TNT , and can ship using your freight account upon request.

Mode of Transportation

We ship via DHL, FedEx, UPS, and TNT. If you prefer a specific logistics provider, we can ship using your designated carrier.

Return and Refund

Returns are accepted within 60 days of invoice with RMA approval. Items must be resalable; original invoice and test report are required. No returns for customer errors.