Mfr Part #:

STWD100NXWY3F

The STMicroelectronics STWD100NXWY3F is a watchdog circuit supervisor IC. It operates within a temperature range of -40°C to 125°C and comes in a SOT-23-5 package.

✓ Total Stock: 40,673 pcs

$ Price Range: $0.75

STWD100NXWY3F Available from 5 distributors

✓ Authorised

✓ Non-Authorised

Distributor		Stock	Pricing	MOQ	PKG	Lead Time	Date Code	On Order Quantity	On Order Delivery
Risen Electronics ✓ Non-Authorised Inventory information	30,000 pcs On Request	30000 pcs	On Request	1	On Request	On Request	On Request	On Request	2026-02-16 21:33:16
Fe Components ✓ Non-Authorised Inventory information	6,000 pcs On Request	6000 pcs	On Request	1	On Request	On Request	On Request	On Request	On Request
Optech Co.,Limited ✓ Non-Authorised Inventory information	2,316 pcs On Request	2316 pcs	On Request	1	On Request	On Request	2132+	On Request	On Request
Xingangxin ✓ Non-Authorised Inventory information	1,357 pcs On Request	1357 pcs	On Request	1	On Request	On Request	On Request	On Request	On Request
Braun Electronic Components ✓ Non-Authorised Inventory information	1,000 pcs On Request	1000 pcs	On Request	1	On Request	On Request	On Request	On Request	On Request

STWD100NXWY3F Description

Short technical summary and product information.

The STMicroelectronics STWD100NXWY3F is a watchdog circuit supervisor IC designed for reliable system monitoring. It operates within a wide temperature range of -40°C to 125°C, making it suitable for various environmental conditions.

This supervisor IC features a reset timeout of 71ms minimum and monitors a single voltage supply with an active low reset output. The output can be configured as open drain or open collector. It is available in SOT-23-5 and SC-74A, SOT-753 packages, supporting surface mount installation.

The STWD100NXWY3F is RoHS3 compliant, has an MSL of 1, and is REACH unaffected, indicating adherence to environmental standards. Its robust design makes it a suitable choice for applications requiring stable power monitoring and system reset functionality.

STWD100NXWY3F Quick Information

Product Type: Supervisor IC

Canonical Name: STWD100NXWY3F Watchdog Circuit

Subcategory: Watchdog Circuit

STWD100NXWY3F Compliance

RoHS Status: RoHS Compliant

Moisture Sensitivity Level (MSL): 1 Unlimited

REACH Status: REACH Unaffected

STWD100NXWY3F Estimated Pricing

Qty	Low	High
1+	$0.75	$0.75

Estimated market price range - modelled values for guidance only, not live distributor offers.

STWD100NXWY3F Features

Watchdog circuit supervisor IC.
Wide -40°C to 125°C operating temperature.
Monitors one voltage supply.
Active low reset output.
Surface mount SOT-23-5 package.

STWD100NXWY3F Applications

System monitoring applications.
Power supply supervision.
Embedded system resets.
Industrial control systems.

STWD100NXWY3F FAQs

7 frequently asked questions generated from this part’s specifications.

What is the package type for the STWD100NXWY3F?

The STWD100NXWY3F is available in SOT-23-5 (SC-74A, SOT-753) surface-mount package.

What is the operating temperature range of the STWD100NXWY3F?

-40°C to +125°C.

What is the reset timeout of the STWD100NXWY3F?

Minimum 71ms.

How many voltages does the STWD100NXWY3F monitor?

1 voltage.

What type of reset output does the STWD100NXWY3F provide?

Active Low.

What is the output type of the STWD100NXWY3F?

Open Drain or Open Collector.

What type of supervisor IC is the STWD100NXWY3F?

Watchdog Circuit.

Category	Supervisors
Manufacturer Name	STMicroelectronics
Mounting Type	Surface Mount
Number of Voltages Monitored	1
Operating Temperature	-40°C ~ 125°C
Output	Open Drain or Open Collector
Reset	Active Low
Reset Timeout	71ms Minimum
SVHC Present	Not Present
Supplier Device Package	SOT-23-5
Type	Watchdog Circuit