STMicroelectronics TL431AIZ-AP, Adjustable Shunt Voltage Reference, ±1% Tolerance, 100 mA Output, -40°C to 105°C, TO-92-3 Through Hole, ROHS3 Compliant, Active.
| Parameter | Value |
|---|---|
| Output type | Adjustable |
| Mounting | Through Hole |
| Reference type | Shunt |
| Voltage - output | 36 V |
| Voltage - output (Min (Fixed)) | 2.495V |
| Output current | 100 mA |
| Current - cathode | 700 µA |
| Operating temperature | -40°C ~ 105°C (TA) |
| Package | Cut Tape (CT) Tape & Box (TB) |
| Tolerance | ±1% |
| Case | TO-226-3, TO-92-3 (TO-226AA) Formed Leads |
It sets a precise 2.495 V minimum output and adjusts up to 36 V with a ±1% tolerance. The 100 mA output current drives optocoupler LEDs in feedback loops or biases small loads in industrial power supplies.
That means STMicroelectronics continues to manufacture it with no announced end-of-life. ROHS3 compliance keeps it clear of the RoHS exemption deadlines.
TL431AIZ-AP is Active per STMicroelectronics — no end-of-life notice has been issued. It remains suitable for new designs and ongoing production.
The TL1431ACL5T is a functional peer with a tighter ±0.25% tolerance, but it is surface-mount and rated only from -20°C to 70°C. It is not a pin-to-pin or through-hole drop-in replacement for the TL431AIZ-AP.