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Home Products Crystals, Oscillators, Resonators Oscillators~~VMQF576D25-81.920-1.0/-40+85~~

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VMQF576D25-81.920-1.0/-40+85 - Mercury United Electronics, Inc.

Name: Mercury United Electronics, Inc. VMQF576D25-81.920-1.0/-40+85
Brand: Mercury United Electronics, Inc.
SKU: VMQF576D25-81.920-1.0/-40+85
Price: 16.45 USD
Availability: InStock
Rating: 5 (9 reviews)

Manufacturer Part Number: VMQF576D25-81.920-1.0/-40+85

Manufacturer: Mercury United Electronics

Allelco Part Number: 98D-VMQF576D25-81.920-1.0/-40+85

Warranty: 1 Year Allelco Warranty - Find out more

Stock Status:: 40,018 pcs available, New & Original

Parts Description: XTAL OSC VCTCXO 81.9200MHZ LVDS

Package: 6-SMD, No Lead

Data sheet: VMQF576D25-81.9.pdf

Datasheets
MQF576, VMQF576.pdf

RoHs Status: RoHS Compliant

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In stock: 40018

Unit Price: $16.45
Subtotal: $0.00

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Quantity	Unit Price	Ext. Price
1+	$16.45	$16.45

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Specifications

VMQF576D25-81.920-1.0/-40+85 Tech Specifications
Mercury United Electronics, Inc. - VMQF576D25-81.920-1.0/-40+85 technical specifications, attributes, parameters and parts with similar specifications to Mercury United Electronics, Inc. - VMQF576D25-81.920-1.0/-40+85

Product Attribute	Attribute Value
Manufacturer	Mercury United Electronics
Voltage - Supply	2.5V
Type	VCTCXO
Spread Spectrum Bandwidth	-
Size / Dimension	0.276" L x 0.197" W (7.00mm x 5.00mm)
Series	QuikXO
Ratings	-
Package / Case	6-SMD, No Lead
Package	Strip
Output	LVDS

Product Attribute	Attribute Value
Operating Temperature	-40°C ~ 85°C
Mounting Type	Surface Mount
Height - Seated (Max)	0.102" (2.60mm)
Function	Amplitude Control
Frequency Stability	±1ppm
Frequency	81.92 MHz
Current - Supply (Max)	23mA (Typ)
Current - Supply (Disable) (Max)	18mA (Typ)
Base Resonator	Crystal
Absolute Pull Range (APR)	±8ppm

Environmental & Export Classifications

ATTRIBUTE	DESCRIPTION
RoHs Status	RoHS Compliant
Moisture Sensitivity Level (MSL)	2 (1 Year)
REACH Status	REACH Unaffected
ECCN	EAR99
HTSUS	8541.60.0060

Frequently Asked Questions(FAQ)

What are the key electrical characteristics of the VMQF576D25-81.920-1.0/-40+85 VCTCXO that make it suitable for precision timing applications?: The VMQF576D25-81.920-1.0/-40+85 delivers exceptional frequency stability of ±1ppm across its industrial temperature range, enabling reliable synchronization in communication and test equipment systems. With an LVDS output providing 2.5V amplitude control and a typical supply current of just 23mA, this oscillator balances performance with power efficiency. The ±8ppm absolute pull range allows fine-tuning during system integration, while the 81.92 MHz fundamental frequency aligns precisely with common data transmission rates in digital systems.

How does the VMQF576D25-81.920-1.0/-40+85 compare to standard crystal oscillators when considering phase noise performance in high-speed serial interfaces?: Unlike basic crystal oscillators that exhibit higher phase noise, the VMQF576D25-81.920-1.0/-40+85 incorporates voltage-controlled tuning and optimized circuit design to deliver superior spectral purity essential for 81.92 MHz LVDS signals. This results in lower jitter accumulation over link lengths compared to non-compensated alternatives, making it particularly advantageous for applications requiring clean clocking in Ethernet PHY implementations or video encoding systems where signal integrity is critical.

What thermal considerations should engineers evaluate when deploying the VMQF576D25-81.920-1.0/-40+85 in compact PCB designs?: Given its 23mA maximum supply current and operation across -40°C to +85°C, thermal management becomes relevant in dense layouts. The 6-SMD package measures only 7.00mm × 5.00mm, but heat generated by the oscillator must be considered alongside nearby components. Engineers should ensure adequate copper pour and spacing to prevent localized heating that could affect frequency stability beyond the specified ±1ppm tolerance.

Can the VMQF576D25-81.920-1.0/-40+85 be used as a replacement for the discontinued VMQF576D25-81.920-1.2/-40+85 model in existing designs?: While both devices share identical electrical specifications and physical footprint, the VMQF576D25-81.920-1.0/-40+85 operates at a lower supply voltage (2.5V vs 3.3V), which may require level-shifting circuitry if directly substituting into boards designed for the 3.3V variant. However, the improved power efficiency and maintained performance characteristics make it suitable for new designs targeting reduced power budgets without compromising timing accuracy.

What impact does the 2.5V supply voltage have on system-level power consumption when using the VMQF576D25-81.920-1.0/-40+85 versus higher-voltage alternatives?: Operating at 2.5V instead of 3.3V reduces dynamic power dissipation by approximately 39% according to P = C·V²·f relationships, assuming similar capacitive loads. For battery-powered or thermally constrained applications, this translates directly into extended operational life or reduced cooling requirements. Combined with the oscillator's low 23mA current draw, this enables efficient clock generation in space-constrained embedded systems such as portable instrumentation or industrial sensors.

How does the Moisture Sensitivity Level 2 rating affect handling procedures for bulk shipments of VMQF576D25-81.920-1.0/-40+85 units?: As an MSL 2 component with a 1-year floor life, the VMQF576D25-81.920-1.0/-40+85 requires adherence to standard moisture barrier bag protocols during storage. After opening, assembly within one year ensures reliability, but reflow soldering must still follow JEDEC J-STD-020 guidelines to prevent popcorn cracking. This classification indicates moderate sensitivity compared to Class 3 devices, simplifying handling for most production environments without requiring bake-out cycles prior to use.

Why might an engineer choose the VMQF576D25-81.920-1.0/-40+85 over alternative spread spectrum clocking solutions for minimizing electromagnetic interference?: Although lacking explicit spread spectrum bandwidth specification, the VMQF576D25-81.920-1.0/-40+85 provides deterministic jitter performance due to its stable VCTCXO architecture. This predictability simplifies EMI mitigation strategies compared to spread-spectrum oscillators whose modulated frequencies can complicate filter design. For applications prioritizing clean spectral content over compliance-driven EMI reduction, this oscillator offers simpler implementation with consistent harmonic behavior around the 81.92 MHz center frequency.

What layout recommendations apply to the VMQF576D25-81.920-1.0/-40+85 to maintain its ±1ppm stability specification during manufacturing?: To preserve frequency accuracy, place the VMQF576D25-81.920-1.0/-40+85 close to the load circuitry with minimal trace length between output and receiver inputs. Maintain strict impedance control for LVDS traces (typically 100Ω differential) and isolate from noisy digital signals. Avoid routing near power regulators or switching nodes that could induce electromagnetic coupling affecting the reference crystal. Proper grounding via multiple vias under the 6-SMD package further stabilizes the oscillator environment.

How does the amplitude control feature of the VMQF576D25-81.920-1.0/-40+85 benefit system designers working with variable input sensitivity requirements?: The amplitude control capability allows adjustment of the 2.5V LVDS output swing to match downstream receiver thresholds, improving noise margin in noisy environments or accommodating different cable losses. This flexibility reduces the need for external buffering or termination adjustments, streamlining board design while maintaining signal integrity across varying channel conditions—particularly valuable in long-distance backplane or inter-board connections where attenuation varies.

What trade-offs exist between using the VMQF576D25-81.920-1.0/-40+85 versus a MEMS-based equivalent for timing applications requiring extreme environmental resilience?: While MEMS oscillators often offer broader temperature ranges and better shock/vibration resistance, the VMQF576D25-81.920-1.0/-40+85 leverages proven quartz technology with ±1ppm stability and ±8ppm pull range. For applications within -40°C to +85°C where mechanical robustness is less critical than frequency precision, the traditional crystal approach provides lower phase noise and longer mean time between failures compared to many MEMS alternatives at similar price points.

Is the VMQF576D25-81.920-1.0/-40+85 suitable for automotive applications requiring AEC-Q100 qualification?: No, the VMQF576D25-81.920-1.0/-40+85 lacks automotive-grade certification despite its industrial temperature range. While it performs reliably in -40°C to +85°C environments, automotive systems typically demand stricter reliability criteria including AEC-Q100 qualification, which involves accelerated stress testing beyond standard commercial specifications. For automotive timing needs, engineers should seek qualified variants or alternative components explicitly rated for automotive applications.

How does the strip packaging format influence handling and automated assembly processes for the VMQF576D25-81.920-1.0/-40+85?: The strip packaging facilitates high-speed pick-and-place operations common in volume manufacturing by presenting components in a continuous linear format compatible with standard reel-to-reel machinery. This reduces manual handling errors and supports automated optical inspection during assembly. However, care must be taken during singulation to avoid damaging adjacent units, especially given the small 7.00mm × 5.00mm footprint and leadless design that offers limited mechanical protection during processing.

Parts with Similar Specifications

The three parts on the right have similar specifications to Mercury United Electronics, Inc. VMQF576D25-81.920-1.0/-40+85

Product Attribute
Part Number	VMQF576D25-983.040-1.0/-40+85	VMQF576D25-83.330-1.0/-40+85	VMQF576D25-98.304-1.0/-40+85	VMQF576D25-864.000-1.0/-40+85
Manufacturer	Mercury United Electronics, Inc.	Mercury United Electronics, Inc.	Mercury United Electronics, Inc.	Mercury United Electronics, Inc.
Series	-	-	-	-
Frequency Stability	-	-	-	-
Current - Supply (Max)	-	-	-	-
Operating Temperature	-	-40°C ~ 85°C	0°C ~ 70°C	-40°C ~ 85°C
Absolute Pull Range (APR)	-	-	-	-
Size / Dimension	-	-	-	-
Voltage - Supply	-	-	-	-
Package	-	Tape & Reel (TR)	Tube	Tape & Reel (TR)
Output	-	-	-	-
Package / Case	-	196-LFBGA	16-DIP (0.300', 7.62mm)	64-VFQFN Exposed Pad
Function	-	-	-	-
Ratings	-	-	-	-
Height - Seated (Max)	-	-	-	-
Type	-	-	-	-
Current - Supply (Disable) (Max)	-	-	-	-
Frequency	-	-	-	-
Base Resonator	-	-	-	-
Mounting Type	-	Surface Mount	Through Hole	Surface Mount
Spread Spectrum Bandwidth	-	-	-	-

VMQF576D25-81.920-1.0/-40+85 Datasheet PDF

Download VMQF576D25-81.920-1.0/-40+85 pdf datasheets and Mercury United Electronics, Inc. documentation for VMQF576D25-81.920-1.0/-40+85 - Mercury United Electronics, Inc..

Datasheets: MQF576, VMQF576.pdf

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In-stock items can be shipped within 24 hours. Some parts will be arranged for delivery within 1-2 days from the date all items arrive at our warehouse. And Allelco ships order once a day at about 17:00, except Sunday. Once the goods are shipped, the estimated delivery time depends on the shipping methods and Delivery destination. The table below shows are the logistic time for some common countries.

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Common Countries Logistic Time Reference
Region	Country	Logistic Time(Day)
America	United States	5
America	Brazil	7
Europe	Germany	5
	United Kingdom	4
	Italy	5
Oceania	Australia	6
Oceania	New Zealand	5
Asia	India	4
Asia	Japan	4
Middle East	Israel	6

DHL & FedEx Shipment Charges Reference
Shipment charges(KG)	Reference DHL(USD$)
0.00kg-1.00kg	USD$30.00 - USD$60.00
1.00kg-2.00kg	USD$40.00 - USD$80.00
2.00kg-3.00kg	USD$50.00 - USD$100.00

Note:: The above table is for reference only. There may have some data bias for the uncontrollable factors.
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