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Renesas Electronics X5043S8IZ — Power Management (PMIC / Gate Driver)

Renesas X5043S8IZ Simple Reset IC, 4.38V Threshold, 8-SOIC

MPNX5043S8IZ
End of Life

Renesas Electronics X5043S8IZ Simple Reset/Power-On Reset IC, Active Low Open Drain Output, 4.38V Threshold, 100ms Timeout, 8-SOIC Surface Mount, Tube.

$6.38Ref. price · indicative, final on quote
Packaging8-SOIC (0.154", 3.90mm Width)
RoHSROHS3 Compliant
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Aug 2026

Specifications

X5043S8IZ specifications
ParameterValue
TypeSimple Reset/Power-On Reset
MountingSurface Mount
Voltage - threshold4.38V
Number of voltages monitored1
Operating temperature-40°C ~ 85°C (TA)
ResetActive Low
OutputOpen Drain or Open Collector
PackageTube
Reset timeout100ms Minimum
Case8-SOIC (0.154\", 3.90mm Width)

Product details

The X5043S8IZ: After the supply rises above the threshold, the output remains asserted for a minimum of 100 ms to let the system clocks and regulators settle before the processor starts.

Package, temperature grade, and compliance

ROHS3 compliant per Renesas lifecycle data, so it meets the EU RoHS exemption regime for lead-free assembly without a waiver.

Frequently asked questions

What is the reset threshold of the X5043S8IZ?

The voltage threshold is 4.38 V. When the monitored supply drops below this level, the active-low reset output asserts and stays low for a minimum 100 ms timeout after the supply recovers.