STM809MWX6F STMicroelectronics Integrated Circuit (SOT23 (3-Pin)) In Stock
The STM809MWX6F is a single-channel voltage supervisor and microprocessor reset IC from STMicroelectronics in a compact 3-pin SOT-23 package. It monitors supply voltage and asserts a reset signal when voltage drops below a fixed threshold. Available from stock with worldwide shipping.
- Manufacturer
- STMicroelectronics
- Package
- SOT23 (3-Pin)
- Pin Count
- 3
- Lifecycle
- ACTIVE
- Datasheet
- STM809MWX6F Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.1661(MOQ 1)
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of STM809MWX6F?
- Single-channel voltage supervisor with fixed threshold monitoring for reliable microprocessor reset generation
- Ultra-compact 3-pin SOT-23 (TO-236) package minimizing board footprint in space-constrained designs
- Pb-free and RoHS compliant construction with plastic/epoxy body suitable for lead-free assembly processes
- Single-function dedicated reset IC simplifying power-on and brownout protection circuit design
What is STM809MWX6F used for?
The STM809MWX6F is used to provide reliable power-on reset and brownout protection for microcontrollers and processors in embedded systems. It is well suited for industrial controllers, consumer electronics, and automotive accessories where stable system startup after power interruptions is critical. The tiny 3-pin SOT-23 package allows integration into very compact PCBs including wearables and IoT sensor modules.
What are the specifications of STM809MWX6F?
| Factory Lead Time | 24Weeks |
| YTEOL | 7 |
| Adjustable Threshold | NO |
| Analog IC - Other Type | VOLTAGE SUPERVISOR/RESET IC |
| JESD-30 Code | R-PDSO-G3 |
| JESD-609 Code | e4 |
| Number of Channels | 1 |
| Number of Functions | 1 |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | TO-236 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Supply Current-Max (Isup) | 0.015mA |
| Supply Voltage-Max (Vsup) | 5.5V |
| Supply Voltage-Min (Vsup) | 1.2V |
| Supply Voltage-Nom (Vsup) | 3.3V |
| Surface Mount | YES |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.95mm |
| Terminal Position | DUAL |
| Threshold Voltage-Nom | +4.38V |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Package | SOT23 (3-Pin) |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.60 |
| Country of Origin | Malaysia |
Where can I find the STM809MWX6F datasheet?
STM809MWX6F Datasheet DownloadOfficial datasheet from STMicroelectronics
What are equivalent replacements for STM809MWX6F?
Compatible alternatives and drop-in replacements for STM809MWX6F:
Frequently Asked Questions
What is the function of the STM809MWX6F?
The STM809MWX6F is a voltage supervisor and reset IC that monitors the supply voltage and generates a reset pulse to the connected microprocessor when the supply drops below a preset fixed threshold, ensuring reliable system initialization.
Is the reset threshold of the STM809MWX6F adjustable?
No, the STM809MWX6F uses a fixed reset threshold with no external adjustment capability. This simplifies circuit design by eliminating the need for external resistor dividers while providing consistent and repeatable reset behavior.
What package does the STM809MWX6F use?
The device is housed in a 3-pin SOT-23 package (equivalent to TO-236), one of the smallest available for discrete ICs, making it ideal for space-constrained PCB designs in portable and embedded systems.
Is the STM809MWX6F RoHS compliant?
Yes, the STM809MWX6F is Pb-free with JESD-609 code e4 and a plastic/epoxy body, confirming full RoHS compliance and compatibility with modern lead-free PCB assembly processes.
What are typical applications for the STM809MWX6F?
Typical applications include microprocessor and microcontroller reset supervision, brownout detection in battery-powered devices, power sequencing monitors in industrial control systems, and supply rail monitoring in consumer electronics.
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Why Buy from FindMyChip
About STMicroelectronics
STMicroelectronics is a global semiconductor leader serving customers across the spectrum of electronics applications. ST's products are found in a wide range of applications including automotive, industrial, personal electronics, and communications.
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $0.2160 | $0.22 |
| 100+ | $0.1980 | $19.80 |
| 250+ | $0.1780 | $44.50 |
| 500+ | $0.1710 | $85.50 |
| 24000+ | $0.1691 | $4059.36 |
| 48000+ | $0.1661 | $7970.88 |
In Stock · 24h Response · Worldwide Shipping
Response within 24 hours · Worldwide shipping
“Their engineering team helped us find a pin-compatible alternative when our original MCU went EOL.”
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