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Analog Devices DS1813R-5+T&R — DC-DC Power Modules

DS1813R-5+T&R Simple Reset/Power-On Reset IC

MPNDS1813R-5+T&R
End of Life

Maxim Integrated EconoReset DS1813R-5+T&R, Simple Reset/Power-On Reset IC, Active Low, Open Drain Output, 4.62V Threshold, 100ms Reset Timeout, -40°C to 85°C, SOT-23-3.

$3.27Ref. price · indicative, final on quote
Analog Devices DS1813R-5+T&R datasheet (PDF)
PackagingTO-236-3, SC-59, SOT-23-3
RoHSROHS3 Compliant
SeriesEconoReset
Independent supplier — new & surplus stockAuthenticity-screened · ESD-safe packingListing updated Aug 2026

Specifications

DS1813R-5+T&R specifications
ParameterValue
TypeSimple Reset/Power-On Reset
SeriesEconoReset
MountingSurface Mount
Voltage - threshold4.62V
Number of voltages monitored1
Operating temperature-40°C ~ 85°C (TA)
ResetActive Low
OutputOpen Drain or Open Collector
PackageTape & Reel (TR); Cut Tape (CT)
Reset timeout100ms Minimum
CaseTO-236-3, SC-59, SOT-23-3

Product details

Open-drain output — pull-up resistor required

The open-drain output means the DS1813R-5+T&R can only pull the reset line low; it cannot drive it high. You need an external pull-up resistor to VCC (typically 10kΩ to 100kΩ) to hold the reset line high during normal operation. This also lets you wire-OR multiple open-drain reset outputs together, which is useful if you have multiple supervisors or watchdog circuits sharing a common reset line to the processor.

The SOT-23-3 package is a three-pin surface-mount footprint that fits tight layouts and is straightforward for reflow assembly. No exposed pad, no thermal concerns at the low quiescent current these parts draw.

No stock or lead-time figure is published here because the supply picture changes daily; a quote request gets you the real-time answer.

Frequently asked questions

What is the reset timeout of DS1813R-5+T&R?

The reset timeout is a minimum of 100ms. After the monitored voltage rises above the 4.62V threshold, the reset output stays low for at least 100ms before releasing, giving the system time to stabilize.

Is DS1813R-5+T&R active low or active high?

The reset output is active low. The open-drain output pulls low when the supply drops below the threshold, and an external pull-up resistor is needed to hold the line high during normal operation.

What are equivalent parts to DS1813R-5+T&R?

Within the EconoReset family, the DS1813R-10+T&R is the closest functional sibling, differing primarily in the threshold voltage. The DS1813R-5+T&R monitors a 4.62V threshold for 5V rails, while the DS1813R-10+T&R uses a different threshold for other supply voltages. Pin-compatible across the SOT-23-3 package, so swapping requires checking the threshold against your rail voltage.

What is the DS1813R-5+T&R datasheet?

The datasheet for the DS1813R-5+T&R is available from Maxim Integrated and covers the full EconoReset family specifications, including threshold accuracy, reset timeout characteristics, and application circuits. Request it through the distributor or download from the manufacturer's site.