SC431CSK-1TRT is a PMIC - Voltage Reference from Semtech in SOT23 packaging. It is commonly reviewed for IC VREF SHUNT ADJ SOT23-3. This page lists current TrustCompo stock, tier pricing, package data, datasheet access, compliance attributes, Hong Kong warehouse shipping options, payment confirmation, and RFQ options for buyers verifying this exact ordering code.
Review TrustCompo quality credentials, traceability support, anti-counterfeit handling, and inspection controls before sending an RFQ.
4 certifications
ISO 9001
Quality management processes for more consistent sourcing and handling.
AS9120B
Aerospace-focused distribution controls for traceability and reliability.
ISO 14001
Environmental management discipline across warehouse and operating workflows.
ESD Control
Electrostatic handling standards to help protect sensitive components.
RFQ checklist
Order process
Confirm the core buying details for SC431CSK-1TRT before RFQ, PO release, and shipment planning.
1
Confirm MPN
Use the exact part number, manufacturer, package, and approval constraints in the RFQ.
2
Check stock and price
Verify live availability, MOQ, lead time, final unit price, and tax terms before PO release.
3
Align documents
Confirm datasheet, CoC, traceability, lifecycle notes, and inspection scope when required.
4
Arrange shipment
Release the PO and align DHL, FedEx, UPS, or buyer forwarder shipment from Hong Kong.
Before PO release
Part confirmation
Exact MPN confirmed: SC431CSK-1TRT
Package to verify: SOT23
Commercial confirmation
Live stock and lead time confirmed by RFQ
Final price and tax terms confirmed before PO release
Fulfillment & documents
Ship-from location: Hong Kong warehouse
Shipping method: DHL, FedEx, UPS, or buyer forwarder account
Product overview
Product overview
Review the sourcing context for SC431CSK-1TRT from Semtech, including product identity, application fit, package notes, and purchasing considerations.
The SC431 is a three terminal adjustable shunt regulator with thermal stability guaranteed over temperature. The output voltage can be adjusted to any value from 2.5V (VREF) to 30V with two external resistors. The SC431 has a typical dynamic output impedance of 0.25Ω. Active output circuitry provides a very sharp turn on characteristic, making the SC431 an excellent replacement for zener diodes. Features◆ Wide operating current range 130µA to 150mA◆ Low dynamic output impedance 0.25 Ω typ.◆ Trimmed bandgap design + 0.5%◆ Alternate for TL1431, TL431, LM431 & AS431◆ Industrial temperature range◆ Available in SOT-23-3 and SO-8 packages. Also available in Lead-free, fully WEEE and RoHS compliant.Applications◆ Linear Regulators◆ Adjustable Supplies◆ Switching Power Supplies◆ Battery Operated Computers◆ Instrumentation◆ Computer Disk Drives
Technical parameters
Parameters
Compare grouped SC431CSK-1TRT parameters from Semtech, including package, series, key attributes, and technical values used for engineering and sourcing review.
This code indicates the terminal finish material per JESD-609 standard. It helps identify the plating type for soldering compatibility and environmental compliance. Check the datasheet for the exact code and its meaning.
e3
RoHS Status
Indicates whether the component complies with the EU RoHS directive restricting hazardous substances. Buyers should verify this status for regulatory compliance and market access. Check the datasheet or certificate for exact compliance details.
RoHS Compliant
Moisture Sensitivity Level (MSL)
Indicates the floor life of a component before it must be baked prior to soldering. Higher levels require stricter handling and shorter exposure times. Verify the MSL rating in the datasheet to ensure proper storage and assembly conditions.
1 (Unlimited)
ECCN Code
Export Control Classification Number assigned by the U.S. Commerce Department. It determines export licensing requirements for electronic components. Verify the ECCN against the manufacturer's datasheet or export compliance documentation before shipping internationally.
EAR99
SC431CSK-1TRT Product Attribute
Parameter
Value
Lead Free
Indicates whether the component is manufactured without lead, complying with RoHS and similar regulations. Check this attribute to ensure environmental compliance for your market. Verify against the datasheet for exact material declarations.
Lead Free
Mounting Type
Specifies how the component is attached to the PCB, such as through-hole or surface mount. This affects assembly processes, thermal performance, and mechanical strength. Buyers should verify compatibility with their manufacturing capabilities and design requirements.
Surface Mount
Packaging
Indicates the form of delivery for the component, such as tape and reel, tube, or tray. This affects handling, storage, and assembly processes. Verify the packaging type matches your production requirements and equipment compatibility.
Tape & Reel (TR)
Part Status
Lifecycle status of the part, such as active or obsolete. Indicates availability and long-term support from the manufacturer. Check this before design-in to avoid last-time buys or supply disruptions. Verify with the datasheet or distributor for current status.
Obsolete
Categories
Lists the product categories or classifications assigned to this component, such as connectors, capacitors, or modules. This helps in filtering and comparing similar parts. Review the categories to ensure the component fits your application and to find alternative parts in the same class.
Integrated Circuits (ICs)
Terminal Position
Position of the terminals on the package, such as dual-in-line, gull-wing, or J-lead. This affects PCB layout, soldering, and thermal performance. Engineers must ensure the terminal position matches the footprint and assembly capabilities of their manufacturing line.
DUAL
Peak Reflow Temperature (Cel)
Maximum temperature during reflow soldering that the component can withstand. This is critical for solder joint reliability and preventing damage. Verify that the peak reflow temperature is compatible with your soldering profile and the component's moisture sensitivity level.
260
Terminal Form
Describes the physical configuration of the component's leads or pads, such as through-hole, surface mount, or gull-wing. This affects PCB layout, soldering process, and mechanical fit. Confirm compatibility with your assembly method and footprint.
GULL WING
Operating Temperature
Specifies the ambient temperature range within which the component reliably functions. Compare this with your application's thermal environment to ensure proper operation. Always verify against the datasheet for derating curves and maximum ratings.
-40°C~85°C TA
Terminal Pitch
Terminal pitch is the center-to-center distance between adjacent leads or pads on a component. It determines PCB layout compatibility and soldering feasibility. Verify against the datasheet to ensure your footprint matches the component's actual lead spacing.
0.95mm
Output Type
Specifies the electrical form of the output signal, such as digital, analog, or open collector. This determines how the component interfaces with your circuit. Verify the output type against your system requirements and the datasheet to ensure proper signal compatibility and avoid logic level mismatches.
Adjustable
Package / Case
Physical package or case type of the component, defining its dimensions, mounting style, and thermal characteristics. Common types include SMD, through-hole, BGA, and QFN. Choose the package that fits your PCB layout and assembly process. Verify the exact package code in the datasheet for footprint compatibility.
TO-236-3, SC-59, SOT-23-3
Number Of Functions
Specifies the count of independent functions or channels integrated into a single component package. This helps engineers determine if the part can handle multiple signal paths or operations simultaneously. Verify against the datasheet to ensure the device meets your circuit's functional requirements.
1
Radiation Hardening
Indicates if the component is designed to withstand ionizing radiation in space, nuclear, or high-energy physics applications. Compare radiation-tolerant vs. radiation-hardened parts for mission-critical designs. Verify the total ionizing dose (TID) and single-event effect (SEE) ratings in the datasheet.
No
Mounting Type
Specifies how the component attaches to the PCB or assembly, such as surface mount, through-hole, or chassis mount. This affects soldering process, mechanical stability, and thermal performance. Verify compatibility with your board layout and assembly capabilities.
Surface Mount
Pb-Free Code
Indicates whether the component is lead-free per RoHS or other directives. Buyers use this to verify environmental compliance and avoid restricted substances. Always confirm with the datasheet or certificate of compliance.
yes
Technology
Manufacturing technology or process used for the component, such as thin film, thick film, or semiconductor process. Affects performance, stability, and cost. Confirm the technology matches your application requirements and environmental conditions.
BIPOLAR
Number Of Pins
Total number of pins or contacts on the component. This determines the footprint and mating connector requirements. Always match the pin count to your PCB layout and connector specification to ensure proper electrical and mechanical connection.
3
Number Of Outputs
Specifies how many independent output channels the component provides. Compare this when selecting power supplies, drivers, or modules to ensure the device can drive all required loads. Always verify against the datasheet for exact output configuration.
1
Pin Count
Total number of pins or terminals on the component package. Essential for footprint design, PCB layout, and connector mating. Verify against the datasheet to ensure compatibility with your board and assembly process.
3
Length
Specifies the physical length of the component body, typically in millimeters. This dimension is critical for PCB layout and mechanical fit. Verify against the datasheet to ensure proper clearance and alignment in your design.
2.9mm
Number Of Terminations
Indicates the total number of electrical connection points on the component, such as pins or pads. This is critical for PCB footprint design and assembly. Verify it matches the package specification to ensure proper soldering and connectivity.
3
Max Output Current
Specifies the highest continuous current the device can supply at its output without exceeding thermal or electrical limits. Compare this value with your load requirements and derating curves. Always verify against the datasheet for your operating conditions.
150mA
Reference Voltage
Specifies the stable voltage output used as a benchmark for the component's operation. Compare this value when selecting voltage references or regulators. Always verify against the datasheet for accuracy and temperature stability.
2.5V
Trim/Adjustable Output
Indicates whether the output voltage or current can be trimmed or adjusted externally. Useful for power modules and regulators where fine-tuning is needed. Check the datasheet for trim range and method.
YES
Subcategory
A more specific classification within the main product category, such as 'Ceramic Capacitor' under 'Capacitors'. This helps narrow down search results and compare similar components. Use it to filter products with similar characteristics and intended applications.
Voltage References
Sub-Categories
Indicates the specific product subcategories or classifications within the broader component family. Helps narrow down search results and identify the exact type of component needed for your design. Review the subcategory to ensure compatibility with your application.
PMIC - Voltage Reference
Manufacturer
Identifies the company that designed and produced the component. Buyers often filter by manufacturer to ensure brand reliability, quality standards, and supply chain consistency. Verify the manufacturer against the datasheet and official packaging to avoid counterfeit parts.
Semtech
Max Output Voltage
Specifies the highest voltage the device can deliver at its output under specified conditions. Compare this limit with your application's supply and load requirements to ensure safe operation and avoid overvoltage damage.
30V
Output Voltage
Specifies the regulated voltage level available at the output pin under specified load and input conditions. Compare this value with your circuit requirements and verify against the datasheet's tolerance and temperature derating.
30V
Tolerance
Allowed deviation from the nominal value, expressed as a percentage. Determines precision of resistors, capacitors, and inductors. Choose tighter tolerance for precision circuits, but verify actual performance in the datasheet.
±1%
Receiver Hysteresis
This attribute specifies the voltage difference between the input thresholds of a receiver, ensuring noise immunity and stable switching. Engineers compare this value to match signal integrity requirements and to prevent false triggering in noisy environments. Always verify against the datasheet for the specific operating conditions.
Shunt
Voltage - Output (Max)
Specifies the highest output voltage the component can provide under specified conditions. Compare this value with your circuit requirements to ensure compatibility. Always verify against the datasheet for exact limits and tolerances.
30V
Manufacturer'S Part No.
The unique part number assigned by the original component manufacturer. Use this to cross-reference datasheets, verify specifications, and ensure the exact component matches your design requirements. Always confirm the number against the manufacturer's official documentation.
SC431CSK-1TRT
Base Part Number
Identifies the core product family without package, grade, or option suffixes. Use this to compare equivalent components across manufacturers and to locate the primary datasheet. Verify the full ordering code against the manufacturer's specification before design-in.
SC431
Reference Type
Describes the internal or external voltage reference architecture, such as bandgap, shunt, or series. This affects temperature stability and initial accuracy. Choose a reference type that meets your precision and drift requirements for the application.
80.16 ppm/°C
Data Encoding/Decoding Method
Specifies the protocol or algorithm used to convert data between its raw form and a transmittable format. This attribute is critical for ensuring compatibility with your system's communication interface. Verify the method against the datasheet to avoid data corruption or interoperability issues.
2.495V
Max Input Voltage
Maximum voltage that can be applied to the input without causing damage or malfunction. Exceeding this limit may lead to breakdown or reduced reliability. Always compare with your supply voltage and check the datasheet for absolute maximum ratings.
31V
Current - Cathode
Current flowing through the cathode terminal of a diode, thyristor, or similar device. This parameter is critical for biasing and safe operation. Verify the maximum rating in the datasheet to prevent damage from overcurrent conditions.
130μA
SC431CSK-1TRT Package Parameter
Parameter
Value
Height Seated (Max)
Maximum vertical dimension from the seating plane to the top of the component body. Critical for PCB clearance and enclosure fit. Verify against the datasheet when designing mechanical constraints or checking compatibility with mating parts.
1.12mm
SC431CSK-1TRT Product Parameter
Parameter
Value
Terminal Finish
Specifies the plating material on component terminals, affecting solderability, corrosion resistance, and long-term reliability. Compare finishes like tin, gold, or silver for your assembly process and environmental requirements. Verify against datasheet for compliance.
Matte Tin (Sn)
Accuracy
Indicates how closely the component's output matches its specified value, critical for sensors, ADCs, and voltage references. Higher accuracy reduces measurement error. Always compare with the datasheet's accuracy specifications for your application.
1 %
Analog IC - Other Type
Select this category when the analog integrated circuit does not fit standard classifications like op-amps, comparators, or regulators. Verify the exact function and pinout in the datasheet to ensure compatibility with your circuit design and performance requirements.
TWO TERMINAL VOLTAGE REFERENCE
Datasheet preview
Datasheet PDF viewer
Preview the SC431CSK-1TRT datasheet from Semtech to check package, electrical characteristics, application notes, and document evidence before RFQ.
No public product notice document is currently displayed for SC431CSK-1TRT. Confirm PCN, PDN, EOL, date code, and lifecycle status during RFQ before production purchase.
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Targeted answers for buyers verifying the exact SC431CSK-1TRT ordering code, packaging, stock, datasheet, and replacement path.
What does SC431CSK-1TRT mean?
SC431CSK-1TRT is the exact ordering code listed for a PMIC - Voltage Reference component from Semtech. The current package reference is SOT23, with listed context including IC VREF SHUNT ADJ SOT23-3. Buyers should use the full code when requesting stock, price, datasheet, or compliance confirmation.
How should buyers verify the SC431CSK-1TRT ordering code?
Treat SC431CSK-1TRT as the full ordering code during RFQ and engineering review. Confirm the listed SOT23 package, manufacturer documentation from Semtech, datasheet ordering table, reel or packing details, and any customer approval constraints before substitution or PO release.
What package is SC431CSK-1TRT supplied in?
SC431CSK-1TRT is currently listed with package reference SOT23 from Semtech. Buyers should confirm the manufacturer package drawing, footprint, pinout, tape-and-reel details, and receiving requirements before approval.
Is SC431CSK-1TRT in stock at TrustCompo?
This page currently displays 1 public stock records for SC431CSK-1TRT with 249 listed pieces. Before ordering, confirm the package (SOT23), required quantity, live availability, lead time, final price, date code, MOQ, packaging evidence, and RFQ documentation.
Where can I compare SC431CSK-1TRT alternatives?
A mapped alternative list is not currently published for SC431CSK-1TRT. Send an RFQ with the target quantity, package constraints, and approval requirements so TrustCompo can help review credible replacement options.