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Home > Products > Crystals, Oscillators, Resonators > Oscillators > SG-8018CG 81.3000M-TJHSA0
EPSON
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SG-8018CG 81.3000M-TJHSA0

In Stock 46048 pcs Reference Price(In US Dollars)
1000+
$0.5188
Manufacturer Part Number:
SG-8018CG 81.3000M-TJHSA0
Manufacturer / Brand
EPSON
Part of Description:
XTAL OSC XO 81.3000MHZ CMOS SMD
Datasheets:
Lead Free Status / RoHS Status:
ROHS3 Compliant
Stock Condition:
New original, 46048 pcs Stock Available.
ECAD Model:
Ship From:
Hong Kong
Shipment Way:
DHL/Fedex/TNT/UPS

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Part Number SG-8018CG 81.3000M-TJHSA0
Manufacturer / Brand EPSON
Stock Quantity 46048 pcs Stock
Category Crystals, Oscillators, Resonators > Oscillators
Description XTAL OSC XO 81.3000MHZ CMOS SMD
Lead Free Status / RoHS Status: ROHS3 Compliant
Voltage - Supply 1.62V ~ 3.63V
Type XO (Standard)
Spread Spectrum Bandwidth -
Size / Dimension 0.098" L x 0.079" W (2.50mm x 2.00mm)
Series SG-8018
Ratings -
Package / Case 4-SMD, No Lead
Package Tape & Reel (TR)
Output CMOS
Operating Temperature -40°C ~ 105°C
Mounting Type Surface Mount
Height - Seated (Max) 0.031" (0.80mm)
Function Standby (Power Down)
Frequency Stability ±50ppm
Frequency 81.3 MHz
Current - Supply (Max) 8.1mA
Current - Supply (Disable) (Max) 1.1µA
Base Resonator Crystal
Absolute Pull Range (APR) -

Packaging & ESD

Industry-standard static shielding packaging is used for electronic components.Anti-static, light-transparent materials allow easy identification of ICs and PCB assemblies.
The packaging structure provides electrostatic protection based on Faraday cage principles.This helps protect sensitive components from static discharge during handling and transportation.


All products are packed in ESD-safe anti-static packaging. Outer packaging labels include part number, brand, and quantity for clear identification. Goods are inspected prior to shipment to ensure proper condition and authenticity.

ESD protection is maintained throughout packing, handling, and global transportation. Secure packaging provides reliable sealing and resistance during transit. Additional cushioning materials are applied when required to protect sensitive components.

QC(Part Testing by IC Components)Quality Warranty

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Global Shipment by DHL/FedEx/TNT/UPS

Shipping Fees reference DHL/FedEx
1). You can offer your express delivery account for shipment, ifyou haven’t any express account for shipment, we can offer our account inadvance.
2). Use our account for shipment, Shipment charges(Reference DHL/FedEx, Different Countries has different price.)
Shipment charges： (Reference DHL and FedEX)
Weight(KG): 0.00kg-1.00kg Price(USD$) : USD$60.00
Weight(KG): 1.00kg-2.00kg Price(USD$) : USD$80.00
* The price of cost is reference with DHL/FedEx. The detail charges, please contact us. Different country the express charges are different.



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Frequently Asked Questions

Can I use the SG-8018CG 81.3000M-TJHSA0: directly with a 1.8 V, 2.5 V, or 3.3 V CMOS logic input?
Yes. The SG-8018CG 81.3000M-TJHSA0: is specified for a 1.62 V to 3.63 V supply range, so it fits common 1.8 V, 2.5 V, and 3.3 V logic domains. In practice, the clock input on the receiving device should be checked for CMOS threshold compatibility at the chosen supply voltage, since the oscillator output swing and the target device’s VIH/VIL requirements must both be satisfied.
What should I check before replacing another 81.3 MHz oscillator with the SG-8018CG 81.3000M-TJHSA0?
For a replacement, the SG-8018CG 81.3000M-TJHSA0: should be compared against the existing part for output type, supply range, start-up behavior, standby pin polarity or function, package footprint, and load conditions on the clock receiver. Even if the frequency matches, a swap can fail if the old device used LVCMOS, LVDS, or a different disable method. Board layout and pad geometry also need to align with the 4-SMD, no-lead package.
Is the SG-8018CG 81.3000M-TJHSA0: suitable for clocking an FPGA, SoC, or networking interface?
The SG-8018CG 81.3000M-TJHSA0: is generally suitable when the target device accepts a single-ended CMOS clock at 81.3 MHz and the supply rail matches the oscillator’s operating range. For FPGA or SoC use, confirm the input pin supports CMOS levels, the clock jitter tolerance is compatible with the design, and the board trace length does not create excessive ringing or edge distortion. For higher-speed serial interfaces, the system timing budget should be reviewed rather than assuming a frequency match is enough.
How does the standby or power-down function affect system design with the SG-8018CG 81.3000M-TJHSA0?
The SG-8018CG 81.3000M-TJHSA0: includes a standby power-down function, which can reduce disabled supply current to a low level. That is useful when the system needs to mute the clock during sleep modes or low-power states. The design still needs to verify the control pin logic, wake-up sequencing, and whether the downstream device tolerates clock stoppage without losing configuration or requiring reinitialization.
Can the SG-8018CG 81.3000M-TJHSA0: be used in industrial temperature environments?
Yes, the SG-8018CG 81.3000M-TJHSA0: is rated for -40°C to 105°C, which fits many industrial and embedded environments. For long-term use, it is still prudent to review frequency drift over temperature, PCB self-heating, airflow, and local thermal gradients near power devices. If the clock feeds a timing-sensitive protocol, the ±50 ppm stability should be considered in the full system budget.
What are the main trade-offs if I choose the SG-8018CG 81.3000M-TJHSA0: instead of a crystal plus discrete load capacitors?
The SG-8018CG 81.3000M-TJHSA0: simplifies oscillator design because the resonator, drive circuitry, and timing network are integrated. That usually reduces sensitivity to external component tolerance and board parasitics compared with a discrete crystal circuit. The trade-off is that the frequency, output format, and power behavior are fixed by the oscillator module, so designs that need pullability, very specific phase noise behavior, or unusual startup tuning may need a different architecture.
What should I consider when using the SG-8018CG 81.3000M-TJHSA0: in a battery-powered product?
The SG-8018CG 81.3000M-TJHSA0: can be a good fit for battery-powered systems because it supports standby mode and has a disabled supply current specified at 1.1 µA max. The total power impact depends on how often the oscillator runs, how long it stays enabled, and whether the system can tolerate restart latency after power-down. Designers should also verify that the supply rail remains within spec during battery droop, since oscillator output integrity can degrade near the lower voltage edge.
Is the SG-8018CG 81.3000M-TJHSA0: a drop-in replacement for a different Epson SG-8018 part number?
Not always. The SG-8018CG 81.3000M-TJHSA0: belongs to the SG-8018 series, but a drop-in replacement still depends on the exact suffix, which can encode frequency, stability, enable function, packaging, or other configuration details. A close-match part may differ in start-up time, standby behavior, or output drive. Matching the full ordering code is the safer approach when replacing another SG-8018 device.
Can I use the SG-8018CG 81.3000M-TJHSA0: if my design needs spread-spectrum clocking or adjustable pull range?
The SG-8018CG 81.3000M-TJHSA0: does not specify spread-spectrum bandwidth or absolute pull range, so it should be treated as a fixed-frequency CMOS oscillator rather than a tunable timing source. If the application needs EMI reduction through spread-spectrum modulation or tight frequency trimming, a different clock source or a PLL-based solution is usually a better fit. For this part, frequency planning should assume a stable fixed 81.3 MHz output.
What PCB layout issues matter most for the SG-8018CG 81.3000M-TJHSA0?
The SG-8018CG 81.3000M-TJHSA0: should be placed close to the receiving clock pin, with a short, clean trace and a solid return path. Since it uses a CMOS output, edge rates can create ringing if the trace is long, lightly terminated, or routed across split planes. Good decoupling near the supply pin and careful grounding around the oscillator area help preserve signal integrity and reduce susceptibility to noise injection.

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