Automotive grade — what it buys you
AEC-Q100 qualified and rated across -40°C to 125°C, this part is built for under-hood and engine-bay environments where the ambient temperature swings hard and the supply sees transients.
MAX6381LT46D3+ Power Supply Monitor, AEC-Q100
MPNMAX6381LT46D3+
End of Life
Maxim Integrated MAX6381LT46D3+ Power Supply Monitor, Automotive AEC-Q100, Active Low Reset, Push-Pull Output, 4.63V Threshold, 140ms Minimum Reset Timeout, -40°C to 125°C, 6-WFDFN Package.
$1.37Ref. price · indicative, final on quote
Packaging6-WFDFN
RoHSROHS3 Compliant
SeriesAutomotive, AEC-Q100
Independent supplier — new & surplus stockAuthenticity-screened · ESD-safe packingListing updated Aug 2026
Specifications
| Parameter | Value |
|---|---|
| Type | Power Supply Monitor |
| Series | Automotive, AEC-Q100 |
| Mounting | Surface Mount |
| Voltage - threshold | 4.63V |
| Number of voltages monitored | 1 |
| Operating temperature | -40°C ~ 125°C (TA) |
| Reset | Active Low |
| Output | Push-Pull, Totem Pole |
| Package | Bulk |
| Reset timeout | 140ms Minimum |
| Case | 6-WFDFN |
Product details
Frequently asked questions
Is MAX6381LT46D3+ automotive qualified?
Yes, it is AEC-Q100 qualified and rated for -40°C to 125°C operation, making it suitable for automotive under-hood and industrial applications.
What is the reset timeout for MAX6381LT46D3+?
The reset timeout is 140ms minimum, which ensures the processor stays in reset long enough for the supply rail to settle after power-up or a brownout.