KA431SMFTF
- Mfr.Part #
- KA431SMFTF
- Manufacturer
- Fairchild Semiconductor
- Package / Case
- SOT-23-3 Flat Leads
- Datasheet
- Download
- Description
- TWO TERMINAL VOLTAGE REFERENCE,
- Stock
- 15,023
- In Stock :
- 15,023
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- Manufacturer :
- Fairchild Semiconductor
- Product Category :
- Voltage Reference
- Min Supply Voltage :
- 2.45V
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Width :
- 1.7mm
- Terminal Form :
- Gull wing
- Max Output Current :
- 100mA
- Base Part Number :
- KA431
- Packaging :
- Tape and Reel (TR)
- Tolerance :
- ±2%
- Weight :
- 48.8mg
- Length :
- 3mm
- JESD-609 Code :
- e3
- Height :
- 1mm
- Lead Free :
- Lead Free
- Max Output Voltage :
- 36V
- Reference Voltage :
- 36V
- Analog IC - Other Type :
- TWO TERMINAL VOLTAGE REFERENCE
- Number of Pins :
- 3
- Terminal Finish :
- Tin (Sn)
- Max Supply Voltage :
- 2.55V
- Reference Type :
- Shunt
- Operating Temperature :
- -25°C~85°C TA
- RoHS Status :
- ROHS3 Compliant
- Published :
- 2013
- Mount :
- Surface Mount
- Ambient Temperature Range High :
- 85°C
- Number of Terminations :
- 3
- Mounting Type :
- Surface Mount
- Max Input Voltage :
- 37V
- Number of Outputs :
- 1
- Accuracy :
- 2 %
- Factory Lead Time :
- 6 Weeks
- Terminal Position :
- Dual
- Pbfree Code :
- yes
- Output Voltage :
- 36V
- Terminal Pitch :
- 0.95mm
- Radiation Hardening :
- No
- Temperature Coefficient :
- 50ppm/°C Typical
- REACH SVHC :
- No SVHC
- Current - Cathode :
- 1mA
- Max Junction Temperature (Tj) :
- 150°C
- ECCN Code :
- EAR99
- Number of Functions :
- 1
- Output Type :
- Adjustable
- Trim/Adjustable Output :
- yes
- Min Input Voltage :
- 2.5V
- Nominal Supply Current :
- 1.5μA
- Lifecycle Status :
- ACTIVE (Last Updated: 1 day ago)
- Number of Channels :
- 1
- Max Power Dissipation :
- 350mW
- Package / Case :
- SOT-23-3 Flat Leads
- Datasheets
- KA431SMFTF

Voltage Reference Fairchild Semiconductor KA431SMFTF Overview
The KA431SMFTF from Fairchild Semiconductor is a versatile and reliable two-terminal voltage reference. Engineered for stability and accuracy, this device provides a precise voltage reference across various conditions, making it essential for developing sensitive electronic applications. The robust design of the KA431SMFTF ensures it is capable of delivering consistent performance, pivotal for system reliability. Its compact form factor is ideal for integration into dense circuit designs where space is at a premium. Leveraging the trusted technology of Fairchild Semiconductor, the KA431SMFTF Voltage Reference serves as a fundamental component for precision voltage calibration in numerous applications.
KA431SMFTF Features
The KA431SMFTF boasts a range of features suited for demanding applications. This includes a programmable output voltage set by two external resistors, low dynamic output impedance, and a typical stability of 0.2% at operating temperatures. Its low operational quiescent current enhances device efficiency, making it suitable for battery-operated applications. The device also supports a broad operating voltage range, providing versatility across different electrical specifications.
KA431SMFTF Applications
- Power Supplies: Utilized in feedback control loops, the KA431SMFTF ensures voltage levels remain constant, essential for maintaining power supply stability.
- Battery Chargers: In battery management systems, it acts as a critical component for precise control of charging voltages, enhancing battery life and safety.
- Data Acquisition Systems: Supports accurate data collection by providing a stable reference voltage, crucial for sensors and conversion accuracy in measurement systems.
- Voltage Monitoring: Used in system voltage monitoring to detect and respond to voltage fluctuations, safeguarding sensitive electronic components.
- Consumer Electronics: Integral in maintaining operational accuracy in devices such as home appliances and personal gadgets by stabilizing the power supply.
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