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Home Products Crystals, Oscillators, Resonators Oscillators~~SG-8101CG 27.3972M-TCHSA0~~

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SG-8101CG 27.3972M-TCHSA0 - EPSON

Manufacturer Part Number: SG-8101CG 27.3972M-TCHSA0

Manufacturer: Epson

Allelco Part Number: 98D-SG-8101CG 27.3972M-TCHSA0

Warranty: 1 Year Allelco Warranty - Find out more

Stock Status:: 49,747 pcs available, New & Original

Parts Description: SG-8101CG 27.3972M-TCHSA0: OSC M

Package: 4-SMD, No Lead

Data sheet: -

RoHs Status: ROHS3 Compliant

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In stock: 49747

Unit Price: $2.08
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Quantity	Unit Price	Ext. Price
1+	$2.08	$2.08

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Specifications

SG-8101CG 27.3972M-TCHSA0 Tech Specifications
EPSON - SG-8101CG 27.3972M-TCHSA0 technical specifications, attributes, parameters and parts with similar specifications to EPSON - SG-8101CG 27.3972M-TCHSA0

Product Attribute	Attribute Value
Manufacturer	Epson
Voltage - Supply	1.8V ~ 3.3V
Type	XO (Standard)
Spread Spectrum Bandwidth	-
Size / Dimension	0.276" L x 0.197" W (7.00mm x 5.00mm)
Series	SG-8101
Ratings	-
Package / Case	4-SMD, No Lead
Package	Tape & Reel (TR)
Output	CMOS
Operating Temperature	-40°C ~ 105°C

Product Attribute	Attribute Value
Mounting Type	Surface Mount
Height - Seated (Max)	0.055" (1.40mm)
Function	Standby (Power Down)
Frequency Stability	±20ppm
Frequency	27.3972 MHz
Current - Supply (Max)	6.8mA (Typ)
Current - Supply (Disable) (Max)	1.1µA
Base Resonator	Crystal
Base Product Number	SG-8101
Absolute Pull Range (APR)	-

Environmental & Export Classifications

ATTRIBUTE	DESCRIPTION
RoHs Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)
REACH Status	REACH Unaffected
ECCN	EAR99
HTSUS	8541.60.0080

Frequently Asked Questions(FAQ)

What are the key electrical characteristics of the SG-8101CG 27.3972M-TCHSA0 oscillator that influence its suitability for power-sensitive embedded systems?: The SG-8101CG 27.3972M-TCHSA0 features a typical supply current draw of 6.8mA during active operation and only 1.1µA when in standby mode, making it well-suited for battery-powered or low-power applications where energy efficiency is critical. Its operating voltage range spans from 1.8V to 3.3V, which aligns with modern microcontroller and sensor interfaces commonly used in IoT and portable devices. These parameters suggest that designers can integrate this component into systems requiring stable timing without excessive power overhead, especially when leveraging the standby function during idle periods.

How does the frequency stability of ±20ppm across the -40°C to 105°C temperature range affect system reliability in industrial environments?: A frequency stability of ±20ppm over an extended operating temperature range from -40°C to 105°C indicates robust performance under thermal stress, which is essential for industrial automation, automotive peripherals, and outdoor monitoring systems. This level of precision ensures that timing-critical communication protocols such as UART, SPI, or I²C maintain synchronization even when exposed to fluctuating ambient conditions. For a 27.3972 MHz signal, ±20ppm translates to approximately ±5.5 kHz variation, which remains within acceptable margins for most digital subsystems using synchronous clocks.

Can the SG-8101CG 27.3972M-TCHSA0 be used in applications requiring precise timing alignment with spread spectrum clocking technologies?: The SG-8101CG 27.3972M-TCHSA0 does not support spread spectrum modulation, as indicated by the absence of a defined spread spectrum bandwidth parameter. Therefore, it is not suitable for applications where intentional clock dithering is used to reduce electromagnetic interference (EMI), such as in high-speed data links or USB interfaces. Designers relying on spread spectrum techniques should consider alternative oscillators with explicit SSC support or external modulation circuitry if EMI compliance is mandatory.

In what scenarios would the CMOS output type of the SG-8101CG 27.3972M-TCHSA0 offer advantages over LVDS or HCSL alternatives?: The CMOS output configuration provides compatibility with standard logic families and simplifies interfacing with microcontrollers and FPGAs that accept unterminated digital signals. Unlike differential outputs like LVDS or HCSL, CMOS requires no termination network and consumes less power in static states, which benefits point-to-point signaling in compact PCB layouts. However, for high-speed serial links exceeding 100 Mbps, differential outputs generally offer better noise immunity; thus, CMOS is preferred in lower-speed control loops, sensor readouts, or legacy system integration where simplicity and cost outweigh performance demands.

How does the physical footprint of the SG-8101CG 27.3972M-TCHSA0 impact board real estate usage in densely populated designs?: With dimensions of 0.098" x 0.079" (2.50mm x 2.00mm) and a height of 0.80mm seated maximum, the SG-8101CG 27.3972M-TCHSA0 occupies minimal surface area, allowing multiple instances on a single PCB layer without requiring vias or additional routing layers. This compactness supports high-density designs such as wearable electronics, module-based prototypes, or stacked sensor nodes. The 4-SMD, no-lead package also facilitates automated pick-and-place assembly, reducing manufacturing complexity compared to leaded alternatives.

What considerations should engineers evaluate when selecting between the SG-8101CG 27.3972M-TCHSA0 and other SG-8101 series variants with different frequencies?: Engineers must assess whether the specific 27.3972 MHz frequency is mandated by protocol requirements—such as certain RF modules, wireless standards, or video encoding schemes—or if alternative frequencies within the SG-8101 family could suffice. While all SG-8101 devices share similar electrical and mechanical characteristics, slight variations in load capacitance, startup time, or phase noise may exist between models. Substituting one variant for another without verifying application-specific jitter budgets or timing margins risks violating system-level specifications.

Is the SG-8101CG 27.3972M-TCHSA0 suitable for use in harsh environments requiring conformal coating or exposure to moisture?: Yes, the SG-8101CG 27.3972M-TCHSA0 has an Moisture Sensitivity Level (MSL) of 1, indicating it can withstand unlimited storage time before soldering under normal humidity conditions. This rating, combined with its sealed package design, makes it resilient to mild environmental exposure and compatible with conformal coatings commonly applied in automotive or outdoor equipment. However, prolonged immersion or extreme chemical exposure may still compromise long-term reliability, so enclosure design remains a critical factor beyond component selection.

How does the RoHS3 compliance status of the SG-8101CG 27.3972M-TCHSA0 influence procurement and regulatory approval processes in global markets?: RoHS3 compliance confirms that the SG-8101CG 27.3972M-TCHSA0 adheres to European Union directives restricting hazardous substances like lead, mercury, and cadmium. This certification streamlines CE marking and reduces barriers to entry in regulated industries such as medical devices, consumer electronics, and telecommunications infrastructure. Procurement teams can confidently source this part without additional testing for restricted materials, accelerating time-to-market and simplifying supply chain documentation across international jurisdictions.

What role does the crystal-based resonator play in maintaining frequency accuracy for the SG-8101CG 27.3972M-TCHSA0?: The quartz crystal resonator provides a highly stable reference frequency due to the mechanical properties of piezoelectric material, resulting in consistent oscillation characteristics unaffected by voltage fluctuations or aging effects within the specified lifespan. This foundational element enables the oscillator to deliver precise timing with minimal drift, ensuring reliable performance in applications like clock generation, timer circuits, or synchronous data transmission where frequency integrity directly impacts functionality.

Can the SG-8101CG 27.3972M-TCHSA0 operate reliably in systems where rapid power cycling is required?: Yes, the SG-8101CG 27.3972M-TCHSA0 includes a standby (power-down) function that reduces current consumption to 1.1µA, allowing quick wake-up sequences common in sleep-wake architectures. Upon resuming operation, the oscillator typically achieves stable output within milliseconds, supporting efficient duty-cycling in microcontroller-based systems. However, designers should verify startup time in their specific load configuration, as capacitive loading at the output can extend settling duration and affect real-time responsiveness.

How does the absence of an absolute pull range (APR) specification impact tuning or calibration procedures involving the SG-8101CG 27.3972M-TCHSA0?: The lack of an APR value implies that the device is not intended for external trimming or fine-tuning via parallel capacitance adjustment, unlike some older oscillator designs. Instead, the SG-8101CG 27.3972M-TCHSA0 relies on internal compensation to achieve stated stability, limiting flexibility in field calibration. Consequently, engineers must ensure PCB layout and external load capacitance match recommended values in the datasheet during initial design to avoid deviation from target frequency.

What are the implications of using the SG-8101CG 27.3972M-TCHSA0 in a multi-clock domain system with asynchronous components?: In asynchronous multi-clock environments, the SG-8101CG 27.3972M-TCHSA0’s fixed frequency and moderate jitter profile require careful synchronization planning to prevent metastability or data corruption at interface boundaries. While the ±20ppm stability ensures predictable timing intervals, cross-domain handshaking mechanisms such as FIFO buffers or handshake protocols must account for potential phase differences. Additionally, clock domain crossing analysis should include margin calculations based on worst-case frequency offsets to guarantee safe transitions.

Does the SG-8101CG 27.3972M-TCHSA0 require external components for basic operation, and how does this affect BOM complexity?: The SG-8101CG 27.3972M-TCHSA0 functions as a standalone oscillator and typically requires only bypass capacitors near its power pins for noise suppression, minimizing bill-of-materials additions. Compared to discrete RC or crystal-resistor-capacitor solutions, this integrated approach reduces component count, footprint, and tuning effort. Nevertheless, optimal performance depends on proper PCB layout practices, including short traces and ground plane proximity, to maintain signal integrity and stability.

How does the ECCN classification of EAR99 affect export controls for projects incorporating the SG-8101CG 27.3972M-TCHSA0?: Classified under Export Control Classification Number (ECCN) EAR99, the SG-8101CG 27.3972M-TCHSA0 falls under U.S. Commerce Control List (CCL) Category 5, Part 2, and is subject only to the general prohibition against export to embargoed destinations. Most commercial and industrial applications face minimal regulatory scrutiny, simplifying global deployment. However, end-use verification and end-user declarations remain necessary for compliance, particularly in defense-related or cryptography-adjacent projects.

What precautions should be taken during reflow soldering when handling the SG-8101CG 27.3972M-TCHSA0 in mass production?: Given its surface-mount, leadless construction and sensitivity to thermal stress, the SG-8101CG 27.3972M-TCHSA0 must undergo reflow profiles compliant with JEDEC standards, typically peaking around 240–260°C with controlled ramp rates to prevent cracking or delamination. Prolonged exposure above 260°C or rapid cooling cycles may degrade performance or cause mechanical failure. Adhering to manufacturer-recommended profiles and verifying solder joint quality through automated inspection ensures consistent yields in high-volume assembly lines.

How does the HTSUS code 8541.60.0080 inform customs valuation and import duties for shipments containing the SG-8101CG 27.3972M-TCHSA0?: The Harmonized Tariff Schedule of the United States (HTSUS) designation 8541.60.0080 classifies the SG-8101CG 27.3972M-TCHSA0 as an electronic integrated circuit (specifically, an oscillator), typically attracting lower tariff rates than more specialized semiconductors. This classification aids importers in forecasting landed costs and avoiding misdeclaration penalties. Accurate coding also supports trade compliance audits and preferential origin claims under bilateral agreements, provided proper documentation accompanies shipments.

Can the SG-8101CG 27.3972M-TCHSA0 replace legacy crystal + inverter configurations in new designs while maintaining equivalent reliability?: Yes, the SG-8101CG 27.3972M-TCHSA0 offers higher integration, reduced component count, and improved consistency compared to traditional Pierce oscillator circuits using discrete crystals and transistors. Its built-in feedback network and buffered output enhance drive strength and reduce susceptibility to layout parasitics, leading to more robust operation across temperature extremes. Migration from discrete solutions typically lowers failure rates and simplifies qualification testing, though legacy designs may still be preferred in ultra-low-cost or radiation-hardened applications where component availability outweighs integration benefits.

What factors should guide the decision to use tape and reel packaging for the SG-8101CG 27.3972M-TCHSA0 in automated manufacturing?: Tape and reel packaging enables high-speed automated placement equipment to feed the SG-8101CG 27.3972M-TCHSA0 efficiently, reducing manual handling errors and increasing throughput in SMT lines. This format is ideal for medium-to-high volume production where continuous feeding minimizes downtime and ensures electrostatic discharge (ESD) protection during transport. For prototyping or low-run builds, bulk alternatives may be preferable, but for scalable manufacturing, reel packaging significantly enhances yield and operational efficiency.

Parts with Similar Specifications

The three parts on the right have similar specifications to EPSON SG-8101CG 27.3972M-TCHSA0

Product Attribute
Part Number	SG-8101CG 27.3972M-TCHPA0	SG-8101CG 27.3750M-TCHSA0	SG-8101CG 27.3067M-TCHSA0	SG-8101CG 27.3972M-TBGSA0
Manufacturer	EPSON	EPSON	EPSON	EPSON
Size / Dimension	-	-	-	-
Package	-	Tape & Reel (TR)	Tube	Tape & Reel (TR)
Frequency	-	-	-	-
Height - Seated (Max)	-	-	-	-
Mounting Type	-	Surface Mount	Through Hole	Surface Mount
Voltage - Supply	-	-	-	-
Type	-	-	-	-
Frequency Stability	-	-	-	-
Current - Supply (Disable) (Max)	-	-	-	-
Spread Spectrum Bandwidth	-	-	-	-
Package / Case	-	196-LFBGA	16-DIP (0.300', 7.62mm)	64-VFQFN Exposed Pad
Current - Supply (Max)	-	-	-	-
Series	-	-	-	-
Operating Temperature	-	-40°C ~ 85°C	0°C ~ 70°C	-40°C ~ 85°C
Output	-	-	-	-
Base Resonator	-	-	-	-
Base Product Number	-	DAC34H84	MAX500	ADS62P42
Absolute Pull Range (APR)	-	-	-	-
Function	-	-	-	-
Ratings	-	-	-	-

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Jul 7, 2026

The FPGA works properly and all functions operate as expected. Documentation required some additional research, but overall it is a usable device for smaller signal processing projects.
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Jun 29, 2026

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Emil***rperTech

Jun 23, 2026

Works exactly as described. I used it as a USB-to-SPI bridge in a small MCU development project and communication was stable from the first setup.
Liam***terTech

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Delivery Time

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.

Delivery Cost

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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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Electrostatic Discharge Protection and Handling

All electrostatic-sensitive components are handled in accordance with electrostatic discharge control procedures. The products are hermetically sealed in anti-static safe packaging to prevent electrostatic damage. Appropriate labeling is also applied for identification and traceability. This ensures product integrity during storage, handling and transportation.

ESD

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