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HomeProductsCrystals, Oscillators, ResonatorsOscillatorsSG-8101CG 27.3750M-TCHPA0
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SG-8101CG 27.3750M-TCHPA0 - EPSON

Manufacturer Part Number
SG-8101CG 27.3750M-TCHPA0
Manufacturer
Epson
Allelco Part Number
98D-SG-8101CG 27.3750M-TCHPA0
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
42,100 pcs available, New & Original
Parts Description
SG-8101CG 27.3750M-TCHPA0: OSC M
Package
4-SMD, No Lead
Data sheet
-
RoHs Status
ROHS3 Compliant
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Our certification
In stock: 42100
  • Unit Price: $2.08
  • Subtotal: $0.00

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1+ $2.08 $2.08
The above prices does not include taxes and freight rates, which will be calculated on the order pages.

Specifications

SG-8101CG 27.3750M-TCHPA0 Tech Specifications
EPSON - SG-8101CG 27.3750M-TCHPA0 technical specifications, attributes, parameters and parts with similar specifications to EPSON - SG-8101CG 27.3750M-TCHPA0

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 Enable/Disable
Frequency Stability ±20ppm
Frequency 27.375 MHz
Current - Supply (Max) 6.8mA (Typ)
Current - Supply (Disable) (Max) 3.5mA
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 and performance parameters to consider when selecting the SG-8101CG 27.3750M-TCHPA0 oscillator for a high-reliability embedded system?
The SG-8101CG 27.3750M-TCHPA0 is a 27.375 MHz CMOS oscillator with a supply voltage range of 1.8V to 3.3V, making it suitable for low-power and mixed-voltage applications. Its frequency stability is ±20ppm over the operating temperature range of -40°C to 105°C, which ensures reliable timing in industrial environments. With a typical supply current of 6.8mA and a disable mode drawing only 3.5mA maximum, it supports power-sensitive designs without sacrificing performance. These characteristics make it well-suited for systems requiring stable clocking under varying thermal conditions.
How does the enable/disable function of the SG-8101CG 27.3750M-TCHPA0 impact system-level power management strategies?
The enable/disable pin allows the oscillator to be powered down during idle periods, reducing standby power consumption by limiting current draw to 3.5mA maximum when disabled. This feature enables more efficient sleep modes in battery-operated or energy-constrained devices. For example, in a wearable device running on a coin cell, disabling the SG-8101CG 27.3750M-TCHPA0 during deep sleep can extend operational life significantly. Designers must account for startup time when re-enabling the oscillator to avoid timing disruptions.
Can the SG-8101CG 27.3750M-TCHPA0 be used in applications requiring tight phase noise performance, and what limits its suitability?
The SG-8101CG 27.3750M-TCHPA0 is a standard XO (crystal oscillator) rather than a low-phase-noise VCXO or OCXO, so it has moderate phase noise characteristics typical of CMOS-based oscillators. While it meets general digital timing needs, it may not be ideal for RF synchronization, high-speed data converters, or precision measurement systems where lower phase jitter (<1 ps RMS) is required. In such cases, alternative oscillators with integrated PLLs or higher-performance crystal references would be more appropriate.
What are the mechanical and packaging considerations when integrating the SG-8101CG 27.3750M-TCHPA0 into automated PCB assembly?
The SG-8101CG 27.3750M-TCHPA0 uses a 4-SMD, no-lead package measuring 2.50mm x 2.00mm with a height of 0.80mm, enabling compact board layouts. It is supplied in tape and reel format, supporting high-speed surface mount technology (SMT) assembly. With an MSL rating of 1, it has unlimited moisture sensitivity life, simplifying storage and handling. However, due to its small size, designers should ensure proper solder paste application and reflow profiling to avoid tombstoning or poor wetting.
How does the operating temperature range of the SG-8101CG 27.3750M-TCHPA0 affect its use in automotive or industrial environments?
Operating across -40°C to 105°C makes the SG-8101CG 27.3750M-TCHPA0 suitable for industrial control systems and certain automotive applications where components must endure wide ambient fluctuations. At the upper end of this range, frequency stability remains within ±20ppm, ensuring consistent timing even in hot engine compartments or outdoor equipment. However, long-term reliability under thermal cycling should still be validated through accelerated life testing, as extreme transitions can stress solder joints and internal crystal structures.
What design precautions should be taken to maintain frequency accuracy when using the SG-8101CG 27.3750M-TCHPA0 near other noisy digital circuits?
To preserve the ±20ppm stability of the SG-8101CG 27.3750M-TCHPA0, careful PCB layout is essential. Power supply noise from adjacent high-speed logic can couple into the oscillator’s sensitive analog circuitry, degrading stability. Recommendations include routing the VDD and GND pins with short traces, placing decoupling capacitors (e.g., 100nF ceramic) as close as possible to the device, and maintaining a quiet ground plane. Additionally, avoid parallel routing of clock traces with switching signals to minimize crosstalk.
How does the supply voltage tolerance of the SG-8101CG 27.3750M-TCHPA0 influence compatibility with modern low-voltage microcontrollers?
Supporting 1.8V to 3.3V operation, the SG-8101CG 27.3750M-TCHPA0 aligns well with contemporary low-voltage MCUs such as ARM Cortex-M series or ESP32 variants. This broad range allows direct interfacing without level shifters, simplifying board design and reducing component count. For instance, pairing it with a 3.0V MCU eliminates the need for additional voltage regulation solely for the clock source, improving overall system efficiency and space utilization.
In what scenarios might the SG-8101CG 27.3750M-TCHPA0 be preferred over an external crystal and discrete oscillator IC?
The SG-8101CG 27.3750M-TCHPA0 integrates the crystal and oscillator circuit into a single component, saving board space and reducing BOM complexity compared to discrete solutions. It is advantageous in space-constrained designs like wearables, IoT nodes, or portable test equipment where minimizing footprint and part count improves manufacturability and lowers cost. Additionally, its built-in enable/disable feature offers functional advantages over basic crystal+inverter combinations that lack power-down capability.
What environmental certifications indicate the SG-8101CG 27.3750M-TCHPA0 meets global compliance standards for commercial and consumer electronics?
The SG-8101CG 27.3750M-TCHPA0 complies with RoHS3, confirming it contains no restricted hazardous substances such as lead, mercury, or cadmium. It is also REACH unaffected and classified under ECCN EAR99, indicating it is not subject to strict export controls. These certifications facilitate global market access and support sustainable design practices without requiring additional regulatory documentation for most commercial applications.
How does the frequency accuracy of the SG-8101CG 27.3750M-TCHPA0 compare to that of a typical fundamental-mode crystal resonator?
A standard crystal resonator alone has no active drive or compensation, resulting in frequency deviations often exceeding ±50ppm due to manufacturing tolerances and environmental drift. In contrast, the SG-8101CG 27.3750M-TCHPA0 delivers ±20ppm stability, representing a significant improvement in precision. This enhanced accuracy stems from internal feedback stabilization and optimized load matching, making the oscillator more suitable for applications requiring consistent timing beyond basic crystal use.
What role does the enable/disable function play in reducing EMI when using the SG-8101CG 27.3750M-TCHPA0 in a densely populated PCB?
Disabling the SG-8101CG 27.3750M-TCHPA0 reduces continuous RF emissions from the clock signal, lowering radiated noise during inactive periods. Since clock edges generate electromagnetic interference, turning off the oscillator minimizes broadband harmonics that could interfere with nearby radios or sensors. This is particularly beneficial in wireless modules or medical devices where EMI compliance is critical. However, reactivation must be synchronized to system wake-up events to prevent glitches.
Is the SG-8101CG 27.3750M-TCHPA0 suitable for use in spread spectrum clocking applications, and what limitations apply?
The SG-8101CG 27.3750M-TCHPA0 does not support spread spectrum modulation, as indicated by the absence of a specified bandwidth for this feature. Spread spectrum techniques require dynamic frequency variation to reduce peak emissions, which this fixed-frequency oscillator cannot provide. Therefore, it should not be used in PCIe Gen3+, USB 3.x, or DDR memory interfaces where SSC is mandated for EMI reduction. Alternative models with integrated modulation capabilities would be required instead.
What factors determine whether the SG-8101CG 27.3750M-TCHPA0 can replace a higher-cost TCXO in a cost-sensitive but reliable design?
The SG-8101CG 27.3750M-TCHPA0 can substitute a TCXO if the application does not require temperature-compensated accuracy beyond ±20ppm. For example, in non-critical communication protocols or non-temporal digital signal processing, its inherent stability suffices. However, TCXOs offer tighter specs (e.g., ±0.5ppm to ±2ppm) and better long-term drift control, making them preferable for GPS, instrumentation, or precision data acquisition. Cost savings from using the SG-8101CG 27.3750M-TCHPA0 must be weighed against potential performance trade-offs.
How does the disable current specification of the SG-8101CG 27.3750M-TCHPA0 affect total system leakage in ultra-low-power designs?
When disabled, the SG-8101CG 27.3750M-TCHPA0 draws a maximum of 3.5mA, which may become significant in systems targeting sub-milliamp average currents—such as solar-powered sensors or battery-backed RTC modules. Over a year, this leakage could consume hundreds of mAh if left enabled continuously. Designers must therefore implement intelligent control logic to disable the oscillator only when absolutely necessary and ensure rapid wake-up sequences to meet timing deadlines.
What considerations apply when cascading multiple clock domains using the SG-8101CG 27.3750M-TCHPA0 as a master reference?
As a master clock source, the SG-8101CG 27.3750M-TCHPA0 provides a stable 27.375 MHz signal that can feed downstream PLLs or dividers. However, any jitter introduced by the oscillator propagates through all derived clocks, potentially violating setup/hold margins in synchronous interfaces like SPI or I²C. Careful analysis of accumulated jitter budget is needed, especially in multi-stage timing paths. Using lower-jitter variants or adding post-processing filters may improve signal integrity in sensitive cascades.
How does the physical size of the SG-8101CG 27.3750M-TCHPA0 influence high-density PCB stacking and miniaturization efforts?
With dimensions of 2.50mm x 2.00mm, the SG-8101CG 27.3750M-TCHPA0 fits into tight spaces, enabling dense layouts in mobile devices or modular subsystems. Its thin profile (0.80mm max height) allows placement on both top and bottom layers without obstructing taller components. This compactness supports advancements in wearable tech and IoT form factors where every millimeter counts. Nevertheless, thermal expansion during reflow must be managed to prevent stress fractures at the crystal interface.

Parts with Similar Specifications

The three parts on the right have similar specifications to EPSON SG-8101CG 27.3750M-TCHPA0

Product Attribute SG-8101CG 27.3750M-TCHSA0 SG-8101CG 27.3000M-TCHPA0 SG-8101CG 27.3972M-TCHPA0 SG-8101CG 27.3067M-TCHPA0
Part Number SG-8101CG 27.3750M-TCHSA0 SG-8101CG 27.3000M-TCHPA0 SG-8101CG 27.3972M-TCHPA0 SG-8101CG 27.3067M-TCHPA0
Manufacturer EPSON EPSON EPSON EPSON
Base Product Number - DAC34H84 MAX500 ADS62P42
Current - Supply (Disable) (Max) - - - -
Output - - - -
Size / Dimension - - - -
Mounting Type - Surface Mount Through Hole Surface Mount
Package / Case - 196-LFBGA 16-DIP (0.300', 7.62mm) 64-VFQFN Exposed Pad
Voltage - Supply - - - -
Function - - - -
Frequency - - - -
Absolute Pull Range (APR) - - - -
Operating Temperature - -40°C ~ 85°C 0°C ~ 70°C -40°C ~ 85°C
Package - Tape & Reel (TR) Tube Tape & Reel (TR)
Ratings - - - -
Type - - - -
Height - Seated (Max) - - - -
Series - - - -
Base Resonator - - - -
Current - Supply (Max) - - - -
Frequency Stability - - - -
Spread Spectrum Bandwidth - - - -

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Customer Reviews

Evaluation: 10 Articles

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    Aug 13, 2026

    Great low-power MCU for portable equipment. Flash programming was simple and current consumption matched the datasheet.

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  • FPGA***lorer88
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    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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Common Countries Logistic Time Reference
Region Country Logistic Time(Day)
America United States 5
Brazil 7
Europe Germany 5
United Kingdom 4
Italy 5
Oceania Australia 6
New Zealand 5
Asia India 4
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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EPSON

SG-8101CG 27.3750M-TCHPA0

EPSON
98D-SG-8101CG 27.3750M-TCHPA0

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