Specifications:

Device Type: Programmable Precision Shunt Regulator (Adjustable Reference)
Package: TO-92 / SOT-23 / SOT-89 (varies by manufacturer)
Output Voltage Range (VKA): 2.5 V to 36 V (adjustable)
Reference Voltage (VREF): 2.495 V (Typical)
Reference Tolerance: ±1% (AZ grade)
Cathode Current (IK): 1 mA to 100 mA (typical operating range)
Minimum Operating Current: 1 mA (approx.)
Maximum Cathode Current: 100 mA
Power Dissipation: Varies by package (up to ~1 W in TO-92 with proper conditions)
Dynamic Impedance: Low (for stable regulation)
Temperature Stability: Good (low drift reference)
Operating Temperature: -40°C to +85°C (typical industrial grade)

Notes

• KA431AZ is not a transistor; it is a precision adjustable shunt regulator similar to TL431.

• Commonly used in SMPS feedback control, voltage regulation, and reference circuits.

Package Contains:
1Nos KA431AZ Programmable shunt regulator transistor