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Home Products Crystals, Oscillators, Resonators Oscillators~~SIT1602BI-31-25N-25.000000X~~

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SIT1602BI-31-25N-25.000000X - SiTime

Name: SiTime SIT1602BI-31-25N-25.000000X
Brand: SiTime
SKU: SIT1602BI-31-25N-25.000000X
Price: 1.058 USD
Availability: InStock
Rating: 5 (9 reviews)

Manufacturer Part Number: SIT1602BI-31-25N-25.000000X

Manufacturer: SiTime

Allelco Part Number: 98D-SIT1602BI-31-25N-25.000000X

Warranty: 1 Year Allelco Warranty - Find out more

Stock Status:: 35,421 pcs available, New & Original

Parts Description: -40 TO 85C, 5032, 20PPM, 2.5V, 2

Package

Data sheet: SIT1602BI-31-25.pdf

Datasheets
SiT1602B.pdf

RoHs Status: Lead free / RoHS Compliant

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In stock: 35421

Unit Price: $1.058
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Quantity	Unit Price	Ext. Price
1+	$1.058	$1.06

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Specifications

SIT1602BI-31-25N-25.000000X Tech Specifications
SiTime - SIT1602BI-31-25N-25.000000X technical specifications, attributes, parameters and parts with similar specifications to SiTime - SIT1602BI-31-25N-25.000000X

Product Attribute	Attribute Value
Manufacturer	SiTime
Series	*
Packaging	Tape & Reel (TR)
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Product Attribute	Attribute Value
Manufacturer Standard Lead Time	8 Weeks
Lead Free Status / RoHS Status	Lead free / RoHS Compliant
Detailed Description	Oscillator

Environmental & Export Classifications

ATTRIBUTE	DESCRIPTION
RoHs Status	Lead free / RoHS Compliant

Frequently Asked Questions(FAQ)

How does the SIT1602BI-31-25N-25.000000X oscillator perform in temperature extremes, and what design considerations apply when deploying it in automotive-grade systems?: The SIT1602BI-31-25N-25.000000X operates reliably across -40°C to +85°C, making it suitable for industrial and extended-temperature environments. However, in automotive applications requiring AEC-Q200 compliance or tighter stability (e.g., ±10ppm), additional thermal compensation or post-deployment calibration may be necessary due to its ±20ppm frequency tolerance over this range. Designers should evaluate long-term aging effects, which can compound with temperature cycling, and consider layout isolation from heat sources to maintain phase noise performance.

What are the trade-offs between using the SIT1602BI-25.000000X in a battery-powered IoT node versus a high-performance FPGA clock tree?: In low-power IoT nodes, the SIT1602BI’s 4.2mA supply current at 2.5V offers a balance between stability and energy efficiency, but higher duty-cycle operation may reduce effective lifetime. For FPGAs requiring tight timing margins, its ±20ppm stability is marginal compared to OCXOs (±1ppm), potentially limiting maximum clock speed or increasing jitter accumulation. The choice hinges on system-level requirements: if synchronization accuracy dominates over power budget, an external reference or disciplined oscillator topology might be preferable despite added complexity.

Can the SIT1602BI-31-25N-25.000000X replace traditional crystal oscillators in space-constrained PCB designs without sacrificing reliability?: Yes, the SIT1602BI integrates MEMS-based frequency control into a compact SMD5032-4P package, eliminating the need for bulky crystals and associated load capacitors. Its robustness against shock and vibration surpasses quartz alternatives, improving mechanical reliability. However, designers must account for potential mode-splitting effects near resonant frequencies during rapid transients—unlike crystals, MEMS devices exhibit different transient response characteristics that can affect startup time in noisy environments.

How does the programmable nature of the SIT1602BI compare to fixed-frequency oscillators like the EPSON MC306F-25.000000T in prototyping scenarios?: The SIT1602BI supports software-configurable frequencies via I²C interface, enabling rapid iteration without hardware changes—ideal for early-stage validation where timing requirements evolve frequently. In contrast, fixed-frequency oscillators like the MC306F-25.000000T require physical replacement or redesign for frequency adjustments. While both offer similar initial accuracy (±20ppm), the SiTime device provides greater flexibility at the cost of slightly higher quiescent current (4.2mA vs. ~3.5mA typical).

What impact does the 2.5V supply voltage have on compatibility with legacy 3.3V digital logic interfaces?: The SIT1602BI’s LVCMOS output is compatible with 2.5V logic families, but interfacing directly to 3.3V CMOS inputs risks undefined logic levels unless level-shifting circuitry is employed. Since VOH(min) at 2.5V is typically 2.0V—below standard 3.3V VIH(min) of 2.3V—a bidirectional translator or resistive divider network is recommended to ensure clean signal integrity across voltage domains.

Is the Tape & Reel (TR) packaging suitable for automated assembly, and how does it affect storage life?: Yes, the TR packaging conforms to JEDEC standards for pick-and-place machines, facilitating high-volume SMT production. Properly sealed reels protect the oscillator from humidity ingress; however, once opened, exposure to ambient conditions degrades desiccant effectiveness. Per IPC/JEDEC J-STD-033, unopened reels have shelf lives exceeding 12 months when stored below 30°C/60% RH. Post-opening, bake-out may be required before reflow if moisture-sensitive components coexist on the board.

How does the HCMOS/LVCMOS output type influence signal rise/fall times in high-speed serial links?: The LVCMOS variant of the SIT1602BI delivers faster edge rates than standard HCMOS, reducing electromagnetic interference and improving timing margins in interfaces like SPI or UART running above 10Mbps. Typical slew rates exceed 2ns, minimizing propagation delay uncertainty. This makes it advantageous for synchronous protocols where clock-to-data alignment is critical, though impedance-controlled routing remains essential to prevent reflections in long traces.

What precautions should be taken during reflow soldering to avoid damaging the SIT1602BI-31-25N-25.000000X?: The device withstands standard Pb-free reflow profiles up to 260°C peak, but cumulative thermal stress affects MEMS resonator integrity. Avoid prolonged dwell times above 240°C or multiple rework cycles. Use nitrogen-flushed ovens to minimize oxidation, and verify flux chemistry compatibility—halogen-free fluxes are safer for sensitive analog front ends. Preheating rates should not exceed 3°C/sec to prevent thermal shock-induced frequency drift.

How does the ±20ppm stability specification translate to timing error over a 24-hour period at 25MHz?: At 25MHz, ±20ppm equates to ±500Hz frequency deviation. Over 24 hours, this accumulates to approximately ±432 milliseconds of phase error—insufficient for GPS-disciplined clocks but adequate for most microcontrollers and communication protocols like UART or I2C. Systems requiring sub-millisecond accuracy over hours should implement periodic resynchronization or use higher-stability references.

Can the SIT1602BI operate reliably in environments with frequent power cycling, such as wireless sensor networks?: Yes, MEMS-based oscillators exhibit superior resilience to power transients compared to crystals, with fast wake-up times (<5ms typical). However, initial frequency offset after each power-on transient may vary by up to ±5ppm due to internal settling behavior. For deterministic wake-up timing, include a stabilization delay in firmware before relying on the clock signal.

Parts with Similar Specifications

The three parts on the right have similar specifications to SiTime SIT1602BI-31-25N-25.000000X

Product Attribute
Part Number	SIT1602BI-31-25N-25.000000	SIT1602BI-31-25N-26.000000X	SIT1602BI-31-25N-25.000000T	SIT1602BI-31-25N-24.000000X
Manufacturer	SiTime	SiTime	SiTime	SiTime
Moisture Sensitivity Level (MSL)	-	-	-	-
Manufacturer Standard Lead Time	-	-	-	-
Series	-	-	-	-
Lead Free Status / RoHS Status	-	-	-	-
Packaging	-	-	-	-
Detailed Description	-	-	-	-

SIT1602BI-31-25N-25.000000X Datasheet PDF

Download SIT1602BI-31-25N-25.000000X pdf datasheets and SiTime documentation for SIT1602BI-31-25N-25.000000X - SiTime.

Datasheets: SiT1602B.pdf

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Customer Reviews

Evaluation: 10 Articles

Circ***FixerTom

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.
Retr***UWorks

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

Use your express account for shipment if you have one.
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)
Payment Support
Packaging
Certifications & Memberships

QC (Quality Warranty)

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.

Strict quality inspection builds a solid foundation for electronic component quality.

Visual inspection
Performance testing and reliability verification
Standardized full-process testing
Precise control of every parameter

We eliminate defective components and ensure the stable operation of electronic devices through professional quality standards.

Quality Inspection

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Contact us if you have any questions.

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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

Certifications & Memberships

Third-party certified, strict quality control. Our certification

ISO 9001: 2015
ISO 13485: 2016
ISO 14001: 2015
ISO 28000: 2007
ISO 45001: 2018
GB/T 27922-2011

SMTA
IPC
ESD
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