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Product Detailed Parameters
- Description：IC VREF SHUNT ADJ 1% SOT23F-3
- Series：-
- Mfr：onsemi
- Package：Tape & Reel (TR),Cut Tape (CT)
- Output Type：Adjustable
- Voltage - Output (Min/Fixed)：2.495V
- Voltage - Output (Max)：36 V
- Current - Output：100 mA
- Operating Temperature：-25°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：SOT-23-3 Flat Leads
- Supplier Device Package：SOT-23F-3
- Grade：-
- Qualification：-
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Overview
The KA431SAMFTF is an adjustable shunt voltage reference from onsemi, housed in a SOT-23F-3 surface-mount package. It operates within an output voltage range of 2.5V to 36V. The device supports a minimum shunt current of 1 mA and a maximum output current of 100 mA. Maximum power dissipation is rated at 350 mW. The component functions as a precision voltage reference suitable for industrial applications.
Feature Summary
- Adjustable shunt regulation capability
- Industrial-grade temperature performance
- Surface-mount packaging design
Applications
- Power supply feedback loops
- Voltage reference circuits
- Battery management systems
Procurement Notes
Verify the specific ordering suffix to ensure compatibility with required tolerance and temperature grade specifications. Confirm that the SOT-23F-3 package dimensions align with the target PCB footprint. Check for any RoHS compliance documentation requirements relevant to the manufacturing region. Ensure the supplier provides valid traceability records for the component batch.
Selection Notes
Select this component when a compact, adjustable shunt reference is required for space-constrained designs. Consider the 100 mA output current limit for load driving capabilities. Evaluate the thermal dissipation constraints given the 350 mW rating in the small outline package. Compare against standard TL431 equivalents if pin-out compatibility is critical for existing layouts.
Part Context
This part belongs to the KA431SA series of adjustable shunt voltage references. It serves as a direct functional replacement for industry-standard TL431 devices while offering onsemi-specific manufacturing quality. The SOT-23F-3 package provides a smaller form factor compared to traditional TO-92 or DIP packages, facilitating modern surface-mount assembly processes.
Replacement Considerations
The KA431SLMF2TF is a documented alternative within the same manufacturer's portfolio. Verify electrical parameter equivalence before substitution. Ensure the replacement maintains the same SOT-23F-3 package type for mechanical compatibility.
