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Home Products Crystals, Oscillators, Resonators Oscillators~~SIT9120AI-1C3-33E98.304000X~~

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SIT9120AI-1C3-33E98.304000X - SiTime

Name: SiTime SIT9120AI-1C3-33E98.304000X
Brand: SiTime
SKU: SIT9120AI-1C3-33E98.304000X
Price: 2.767 USD
Availability: InStock
Rating: 5 (7 reviews)

Manufacturer Part Number: SIT9120AI-1C3-33E98.304000X

Manufacturer: SiTime

Allelco Part Number: 98D-SIT9120AI-1C3-33E98.304000X

Warranty: 1 Year Allelco Warranty - Find out more

Stock Status:: 45,318 pcs available, New & Original

Parts Description: -40 TO 85C, 5032, 50PPM, 3.3V, 9

Package: 6-SMD, No Lead

Data sheet: SIT9120AI-1C3-3.pdf

Datasheets
SiT9120 Datasheet.pdf

RoHs Status: Lead free / RoHS Compliant

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In stock: 45318

Unit Price: $2.767
Subtotal: $0.00

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Quantity	Unit Price	Ext. Price
1+	$2.767	$2.77

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

Specifications

SIT9120AI-1C3-33E98.304000X Tech Specifications
SiTime - SIT9120AI-1C3-33E98.304000X technical specifications, attributes, parameters and parts with similar specifications to SiTime - SIT9120AI-1C3-33E98.304000X

Product Attribute	Attribute Value
Manufacturer	SiTime
Voltage - Supply	3.3V
Type	XO (Standard)
Size / Dimension	0.197" L x 0.126" W (5.00mm x 3.20mm)
Series	SiT9120
Ratings	-
Packaging	Tape & Reel (TR)
Package / Case	6-SMD, No Lead
Output	LVPECL
Other Names	1473-18890-2 SIT9120AI-1C3-33E98.304000X-ND
Operating Temperature	-40°C ~ 85°C
Mounting Type	Surface Mount

Product Attribute	Attribute Value
Moisture Sensitivity Level (MSL)	1 (Unlimited)
Manufacturer Standard Lead Time	5 Weeks
Lead Free Status / RoHS Status	Lead free / RoHS Compliant
Height - Seated (Max)	0.032" (0.80mm)
Function	Enable/Disable
Frequency Stability	±50ppm
Frequency	98.304MHz
Detailed Description	98.304MHz XO (Standard) LVPECL Oscillator 3.3V Enable/Disable 6-SMD, No Lead
Current - Supply (Max)	69mA
Current - Supply (Disable) (Max)	35mA
Base Resonator	MEMS
Absolute Pull Range (APR)	-

Environmental & Export Classifications

ATTRIBUTE	DESCRIPTION
RoHs Status	Lead free / RoHS Compliant

Frequently Asked Questions(FAQ)

What is the impact of the SIT9120AI-1C3-33E98.304000X's ±50ppm frequency stability on clock distribution in a multi-sensor fusion system operating over an industrial temperature range?: The ±50ppm frequency stability of the SIT9120AI-1C3-33E98.304000X ensures consistent timing accuracy across its -40°C to +85°C operating range, which is critical for sensor synchronization in time-sensitive applications such as automotive radar or industrial automation. Over this temperature span, the cumulative phase error at 98.304MHz remains within acceptable limits for most digital signal processing pipelines, minimizing jitter accumulation and reducing the need for complex clock recovery mechanisms. This level of precision supports reliable data alignment in multi-channel systems without introducing significant skew between asynchronous modules.

How does the LVPECL output of the SIT9120AI-1C3-33E98.304000X compare to LVDS in terms of power consumption and noise immunity when driving long traces on a PCB?: While both LVPECL and LVDS offer excellent noise immunity, the SIT9120AI-1C3-33E98.304000X’s LVPECL output draws approximately 69mA from a 3.3V supply, resulting in higher dynamic power than LVDS variants. However, LVPECL provides superior signal integrity over longer transmission lines due to its differential swing and common-mode rejection, making it preferable for point-to-point links exceeding 10 cm. In contrast, LVDS consumes less power but requires more stringent impedance control and may suffer from increased EMI susceptibility at high frequencies like 98.304MHz.

Can the SIT9120AI-1C3-33E98.304000X be used reliably in space-constrained designs requiring surface-mount assembly with minimal footprint?: Yes, the SIT9120AI-1C3-33E98.304000X utilizes the compact SMD5032-6P package, which occupies just 5.0mm x 3.2mm—a key advantage for high-density layouts such as FPGA reference clocks or modular sensor nodes. Its tape-and-reel packaging (TR) facilitates automated pick-and-place assembly, ensuring consistent placement accuracy during mass production. Despite the small size, thermal performance remains adequate given the component’s moderate power dissipation under typical load conditions.

What design considerations are necessary when integrating the SIT9120AI-1C3-33E98.304000X into a 3.3V logic environment with strict power budget constraints?: Although the SIT9120AI-1C3-33E98.304000X operates at 3.3V and consumes 69mA, this current draw must be factored into total system power allocation, especially in battery-powered or thermally constrained environments. Engineers should verify that downstream components can tolerate this load without voltage droop, particularly if multiple high-speed devices share the same supply rail. Decoupling capacitors near the oscillator pins help stabilize the supply and reduce ground bounce, preserving timing integrity.

Is the 98.304MHz frequency of the SIT9120AI-1C3-33E98.304000X suitable for Ethernet PHY layer applications requiring precise clocking?: The SIT9120AI-1C3-33E98.304000X outputs exactly 98.304MHz, which aligns precisely with certain Ethernet standards such as 1000BASE-X, where 98.304MHz serves as a common reference for serial communication. When combined with internal PLLs or fractional-N synthesizers, this frequency enables accurate generation of line rates like 1.25 Gbps. The ±50ppm stability ensures compliance with IEEE timing tolerances, reducing bit error rates even after long cable runs.

How does SiTime’s MEMS-based architecture in the SIT9120AI-1C3-33E98.304000X affect reliability compared to traditional quartz oscillators in vibration-prone environments?: Unlike crystal-based oscillators, the SIT9120AI-1C3-33E98.304000X uses a silicon MEMS resonator that exhibits significantly better shock and vibration resistance—critical for transportation, defense, or industrial machinery applications. MEMS technology eliminates brittle crystalline failure modes, enhancing mean time between failures (MTBF) under mechanical stress. Additionally, the lack of external tuning simplifies manufacturing and improves long-term frequency drift characteristics.

What are the implications of programming the SIT9120AI-1C3-33E98.304000X versus using fixed-frequency alternatives in prototyping phases?: The SIT9120AI-1C3-33E98.304000X supports post-deployment frequency trimming via SiTime’s programming interface, allowing iterative adjustments during development without redesigning PCBs or replacing components. This flexibility accelerates bring-up cycles for custom ASICs or FPGAs that require non-standard clock ratios. Fixed-frequency alternatives would necessitate hardware-level modifications or additional PLLs to achieve similar results, increasing cost and complexity.

How does the operating temperature range (-40°C to +85°C) of the SIT9120AI-1C3-33E98.304000X influence selection for outdoor or automotive-grade systems?: The extended industrial temperature range covers most harsh environments encountered in automotive, telecommunications, and remote monitoring systems, where ambient temperatures can fluctuate rapidly. Within this window, the oscillator maintains ±50ppm stability, ensuring reliable operation without thermal compensation circuits. For applications exceeding +85°C, alternative solutions with wider commercial or military grades would be required.

Parts with Similar Specifications

The three parts on the right have similar specifications to SiTime SIT9120AI-1C3-33E98.304000X

Product Attribute
Part Number	SIT9120AI-1C3-33E98.304000T	SIT9120AI-1C3-33E98.304000Y	SIT9120AI-1C3-33E98.304000	SIT9120AI-1C3-33E75.000000X
Manufacturer	SiTime	SiTime	SiTime	SiTime
Other Names	-	-	-	-
Base Resonator	-	-	-	-
Packaging	-	-	-	-
Frequency	-	-	-	-
Current - Supply (Disable) (Max)	-	-	-	-
Ratings	-	-	-	-
Mounting Type	-	Surface Mount	Through Hole	Surface Mount
Function	-	-	-	-
Size / Dimension	-	-	-	-
Frequency Stability	-	-	-	-
Absolute Pull Range (APR)	-	-	-	-
Manufacturer Standard Lead Time	-	-	-	-
Current - Supply (Max)	-	-	-	-
Output	-	-	-	-
Moisture Sensitivity Level (MSL)	-	-	-	-
Type	-	-	-	-
Lead Free Status / RoHS Status	-	-	-	-
Package / Case	-	196-LFBGA	16-DIP (0.300', 7.62mm)	64-VFQFN Exposed Pad
Series	-	-	-	-
Detailed Description	-	-	-	-
Height - Seated (Max)	-	-	-	-
Operating Temperature	-	-40°C ~ 85°C	0°C ~ 70°C	-40°C ~ 85°C
Voltage - Supply	-	-	-	-

SIT9120AI-1C3-33E98.304000X Datasheet PDF

Download SIT9120AI-1C3-33E98.304000X pdf datasheets and SiTime documentation for SIT9120AI-1C3-33E98.304000X - SiTime.

Datasheets: SiT9120 Datasheet.pdf

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Customer Reviews

Evaluation: 10 Articles

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Sep 2, 2026

Used this rectifier in a high-current power supply repair. Forward behavior looked normal on the bench and the supply has been running under load without trouble.
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Aug 31, 2026

Needed the exact ST10F269Z2Q6 for servicing an older control unit. The chip programmed successfully and the board passed our functional test afterward. Much easier than redesigning around a newer MCU.
Andr***PCBLab

Aug 28, 2026

I needed this ADC for an older data acquisition board. Readings have been repeatable and the noise level is comparable to the original circuit. Happy with the purchase.
Leat***O'Keefe

Aug 20, 2026

one of my hobbies is skydiving. and when i'm skydiving this works great.
Ilen***

Aug 20, 2026

This product works considerably well. It secretly improves my basketball by a lot.
Indu***ialPower

Aug 17, 2026

Installed this IGBT module in a power conversion cabinet. Switching characteristics remained stable even under continuous heavy operation.
Nikh***ech

Aug 13, 2026

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

Aug 5, 2026

Purchased this DSP controller for a motor control application. Stable processing performance and very good response under varying loads.
FPGA***dio

Jul 30, 2026

This FPGA handled our logic design without any surprises. Configuration completed quickly and timing met the project requirements.
Nord***mbedded

Jul 20, 2026

Reliable FPGA with predictable behavior. Configuration and testing went smoothly, making development faster than expected.

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Shipment

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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Use our account for the shipment. Refer to the table below for the approximate charges.

(Different time frame / countries / package size has different price.)

Delivery Method

Global Common Shipment by DHL / UPS / FedEx / TNT / EMS / SF we support.
Others more shipping ways, please get in touch with your customer manager.

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.
Contact us if you have any questions.

QC (Quality Warranty)
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Allelco is committed to exceeding customer expectations through customer service excellence, order accuracy, and on-time delivery.
This is achieved through our commitment to the continual improvement of our processes, services, and products.

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Packaging

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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