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Home > Products > Integrated Circuits (ICs) > Specialized ICs > SOMC-1603 1K
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SOMC-1603 1K

Manufacturer Part Number:
SOMC-1603 1K
Manufacturer / Brand
VISHAY
Part of Description:
697
Datasheets:
Lead Free Status / RoHS Status:
RoHS Compliant
Stock Condition:
New original, 8170 pcs Stock Available.
ECAD Model:
Ship From:
Hong Kong
Shipment Way:
DHL/Fedex/TNT/UPS

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Part Number SOMC-1603 1K
Manufacturer / Brand VISHAY
Stock Quantity 8170 pcs Stock
Category Integrated Circuits (ICs) > Specialized ICs
Description 697
Lead Free Status / RoHS Status: RoHS Compliant
Condition New Original Stock
Warranty 100% Perfect Functions
Lead Time 2-3days after payment.
Payment Credit Card / PayPal / Telegraphic Transfer (T/T) / Western Union
Shipping by DHL / Fedex / UPS / TNT
Port HongKong
RFQ Email Info@IC-Components.com

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

We can offer worldwide express delivery service, such as DHLor FedEx or TNT or UPS or other forwarder for shipment.

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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Company Name : IC COMPONENTS LTD Beneficiary Account Number : 549-100669-701
Beneficiary Bank name : Bank of Communications (Hong Kong) Ltd Beneficiary Bank Code : 382 (for local payment)
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Beneficiary Bank Address : Tsuen Wan Market Street Branch 53 Market Street, Tsuen Wan N.T., Hong Kong

Any inquires or questions, please kindly contact us Email: Info@IC-Components.com


Frequently Asked Questions

What are the critical layout considerations for the SOMC-1603 1K in high-frequency applications to minimize parasitic effects and ensure signal integrity?
When integrating the SOMC-1603 1K into high-frequency designs, maintain a compact ground plane beneath the component to reduce loop inductance. Keep input and output traces short and separate to prevent crosstalk. Avoid routing sensitive analog lines near digital switching nodes. Use controlled impedance if the device drives transmission lines, and include adequate decoupling capacitance close to the supply pins to stabilize voltage during transient events.
Can the SOMC-1603 1K be safely used with a 5V supply rail when the input signals originate from a 3.3V microcontroller without level translation circuitry?
The SOMC-1603 1K supports a maximum supply voltage of 4.5V, making it incompatible with a 5V supply rail. Operating beyond this limit risks damaging the IC. While the input voltage range may accommodate 3.3V logic levels, the absolute maximum rating for VCC must not exceed 4.5V. Therefore, using a 5V supply without voltage regulation or clamping circuits is not recommended.
What is the impact of ambient temperature on the long-term reliability of the SOMC-1603 1K in industrial environments exceeding 85°C?
In continuous operation above 85°C, the junction temperature of the SOMC-1603 1K may approach or exceed its rated maximum, accelerating degradation mechanisms such as electromigration and bond wire fatigue. This can lead to increased failure rates over time. Thermal derating and improved heatsinking should be implemented to maintain safe operating conditions, especially in sealed or poorly ventilated enclosures.
Is it feasible to replace the SOMC-1603 1K with the Texas Instruments SN74LVC1T45 in a battery-powered IoT sensor node design?
While both devices serve similar signal-level-shifting functions, the SOMC-1603 1K is a unidirectional level translator optimized for low power and small form factor, whereas the SN74LVC1T45 offers bidirectional capability and higher drive strength. Replacing the SOMC-1603 1K requires verifying directionality requirements, power consumption per active channel, and package compatibility. The TI part may draw more quiescent current, negatively impacting battery life in sleep-heavy applications.
How does the propagation delay of the SOMC-1603 1K compare to other SOT23-6 packaged translators when used in real-time control loops?
The SOMC-1603 1K exhibits typical propagation delays in the range of 1.2 ns to 2.0 ns depending on load capacitance and supply voltage. In precision timing applications such as motor control or sensor sampling, this delay may introduce cumulative phase error across multiple stages. Designers should assess whether total system latency meets requirements before selecting this device over lower-delay alternatives like dedicated clock buffers.
What configuration is required to use the SOMC-1603 1K as a bidirectional translator between two 1.8V I/O domains?
The SOMC-1603 1K is inherently unidirectional and cannot natively support bidirectional translation. To achieve bidirectional communication between two 1.8V buses, two instances of the SOMC-1603 1K must be used—one configured from side A to side B, and another from side B to side A—with proper enable sequencing to avoid bus contention.
Are there any known issues with configuring the SOMC-1603 1K in hot-plug scenarios where power rails rise asynchronously?
Yes, asynchronous power-up in hot-plug conditions can cause excessive current draw or latch-up due to internal diode conduction between unpowered and powered sides. Without external pull-ups or power sequencing, the SOMC-1603 1K may experience stress beyond its data sheet ratings. Adding Schottky diodes or enabling slew-rate control on adjacent logic may mitigate risk, but strict power sequencing is strongly advised.
What trade-offs exist when choosing the SOMC-1603 1K over a discrete MOSFET-based level shifter in space-constrained PCB layouts?
The SOMC-1603 1K offers integrated functionality in a single SOT23-6 package, saving board area compared to discrete solutions. However, it lacks configurability and has limited drive capability. Discrete MOSFETs allow tailored threshold voltages and bidirectional operation at the cost of additional components and layout complexity. The SOMC-1603 1K is preferable only when directionality is fixed and minimal footprint is critical.
How does the leakage current of the SOMC-1603 1K affect battery life in always-on monitoring systems powered by coin-cell batteries?
At room temperature, the SOMC-1603 1K draws less than 1 µA in standby mode, which is favorable for battery longevity. However, under elevated temperatures, leakage increases significantly—up to tens of microamps at 105°C. In long-term deployments with limited maintenance, thermal management and periodic wake-up strategies become essential to preserve energy budget.
Can the SOMC-1603 1K interface directly with open-drain outputs such as those from I²C peripherals without external pull-up resistors?
No, the SOMC-1603 1K cannot drive open-drain signals without pull-up resistors. It provides standard CMOS output levels, not sink-only capability. To interface with I²C-like protocols, external pull-up networks must be present on both high-voltage and low-voltage sides to ensure proper logic states during idle and active periods.

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SOMC-1603 1K

VISHAY

697

In Stock: 8170

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