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

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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