3.3V rail watchdog — threshold and timeout
The SOT-23-5 package (SC-74A / SOT-753) is a standard supervisor footprint — the same land pattern works across multiple TI and competitor supervisors, simplifying second-sourcing at layout time.
TI TPS3823-33DBVRG4 Simple Reset/Power-On Reset
MPNTPS3823-33DBVRG4
End of Life
Texas Instruments TPS3823-33DBVRG4, Simple Reset/Power-On Reset, Active Low, Push-Pull Output, 2.93V threshold, 120ms min reset timeout, SC-74A/SOT-753, -40°C to 85°C.
$1.5000Ref. price · indicative, final on quote
Independent supplier — new & surplus stockAuthenticity-screened · ESD-safe packingListing updated Jul 2026
Specifications
| Parameter | Value |
|---|---|
| Type | Simple Reset/Power-On Reset |
| Mounting | Surface Mount |
| Voltage - threshold | 2.93V |
| Number of voltages monitored | 1 |
| Operating temperature | -40°C~85°C(TA) |
| Reset | Active Low |
| Output | Push-Pull, Totem Pole |
| Package | Tape & Reel (TR); Cut Tape (CT) |
| Reset timeout | 120ms Minimum |
| Case | SC-74A, SOT-753 |
Product details
Frequently asked questions
What is the closest pin-compatible alternative to TPS3823-33DBVRG4 in this component family?
The TPS3823-33Q is a direct pin-compatible alternative within the same base family. Both share the same SOT-23-5 footprint, active-low push-pull output, and 2.93V threshold. The -33Q variant typically carries a wider temperature range or automotive qualification; verify the operating temperature grade against your application before substituting.