MCP1319MT-46LE/OT Microchip Integrated Circuit (SOT23 (5-Pin)) In Stock

Name: MCP1319MT-46LE/OT
Brand: Microchip
SKU: MCP1319MT-46LE/OT
Availability: InStock

The MCP1319MT-46LE/OT is a single-channel voltage supervisor IC in SOT-23-5 package with a fixed 4.60 V threshold. It provides active-low reset output and manual reset input to protect microcontrollers and processors during power-up and brownout events.

ACTIVEIntegrated CircuitVerified Jun 2026

Package / Visual Reference

MCP1319MT-46LE/OTSOT23 (5-Pin)

Quick Facts

Manufacturer: Microchip
Package: SOT23 (5-Pin)
Pin Count: 5
Lifecycle: ACTIVE
Datasheet: MCP1319MT-46LE/OT Datasheet PDF
Category: Integrated Circuit
Price: From $0.4629(MOQ 1)
Temp Range: -40.0°C to 125.0°C
RoHS: Compliant
Lead Time: 3–7 business days
Shipping: DHL Express · Worldwide

What are the key features of MCP1319MT-46LE/OT?

Fixed 4.60 V undervoltage detection threshold
Active-low open-drain RESET output for MCU protection
Manual reset input (MR pin) for user-controlled reset
Tiny SOT-23-5 package occupying minimal PCB area
Single-channel monitoring for simplified power supervision
RoHS-compliant lead-free construction

What is MCP1319MT-46LE/OT used for?

The MCP1319MT-46LE/OT is used in embedded systems requiring reliable power-on reset and brownout protection for microcontrollers operating near 4.60 V supply rails. It suits applications such as industrial sensor nodes, battery-powered equipment, and automotive control modules where supply voltage integrity must be monitored continuously. The manual reset pin adds flexibility for factory test and user-triggered system restarts.

What are the specifications of MCP1319MT-46LE/OT?

Pbfree Code	Yes
Manufacturer Package Code	SOT-23-5
Factory Lead Time	6Weeks
YTEOL	9
Additional Feature	BAT BUP SW:N;MNL RST:Y;OV DET:N;PW FL IP:N;PW FL IO:N;PW FL OP:N;PRG RST DLY:N;UV DET:N;WD:N;WWD:N
Adjustable Threshold	NO
Analog IC - Other Type	VOLTAGE SUPERVISOR/RESET IC
JESD-30 Code	R-PDSO-G5
JESD-609 Code	e3
Number of Channels	1
Number of Functions	1
Package Body Material	PLASTIC/EPOXY
Package Equivalence Code	TSOP5/6,.11,37
Package Shape	RECTANGULAR
Package Style	SMALL OUTLINE, LOW PROFILE, SHRINK PITCH
Peak Reflow Temperature (Cel)	260
Qualification Status	Not Qualified
Supply Current-Max (Isup)	0.01mA
Supply Voltage-Max (Vsup)	5.5V
Supply Voltage-Min (Vsup)	1V
Supply Voltage-Nom (Vsup)	1.5V
Surface Mount	YES
Temperature Grade	AUTOMOTIVE
Terminal Finish	Matte Tin (Sn)
Terminal Form	GULL WING
Terminal Pitch	0.95mm
Terminal Position	DUAL
Threshold Voltage-Nom	+4.6V
Package	SOT23 (5-Pin)

Compliance & Regulatory

RoHS Status	Compliant
Lead-Free	Yes (Pb-Free)
Moisture Sensitivity Level	MSL 1
ECCN	EAR99
HTS Code	8542.39.00.01
Country of Origin	Malaysia, Thailand

Where can I find the MCP1319MT-46LE/OT datasheet?

MCP1319MT-46LE/OT Datasheet Download

Official datasheet from Microchip

What are equivalent replacements for MCP1319MT-46LE/OT?

No known alternates. Submit an RFQ and our team can suggest alternatives.

Frequently Asked Questions

At what supply voltage does MCP1319MT-46LE/OT assert its reset signal, and how is this threshold set?

The MCP1319MT-46LE/OT asserts its active-low RESET output when the monitored supply drops below the fixed 4.60 V threshold. This threshold is factory-trimmed and non-adjustable, eliminating the need for external resistor dividers and simplifying BOM in single-rail 5 V system designs.

Does MCP1319MT-46LE/OT support a manual reset function, and in which design scenarios is this useful?

Yes, the device includes a dedicated manual reset input (MR pin) that allows an external signal or pushbutton to force the RESET output low independent of supply voltage. This is valuable in factory test jigs, field-service reset scenarios, or watchdog-augmented designs requiring forced 1-pin resets.

How does the SOT-23-5 package of MCP1319MT-46LE/OT compare to larger supervisor packages in board space savings?

The SOT-23-5 package measures approximately 2.9 mm x 1.6 mm, consuming far less PCB area than 8-pin SOIC or DFN alternatives. For compact IoT nodes or wearable devices where board area is critical, this 5-pin package can save several square millimetres while delivering full voltage supervision functionality.

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AvailabilityIn Stock

Reference Price (USD)

From $0.4629

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Qty.	Unit Price	Ext. Price
1+	$2.3740	$2.37
25+	$0.7100	$17.75
100+	$0.6400	$64.00
250+	$0.5698	$142.45
500+	$0.4985	$249.25
1000+	$0.4629	$462.90

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Unit price: $2.3740 · Total: $2.37

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Lead Time3-7 business days

MOQFrom 1 piece

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OriginChina (Authorized)

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MCP1319MT-46LE/OT Microchip Integrated Circuit (SOT23 (5-Pin)) In Stock

What are the key features of MCP1319MT-46LE/OT?

What is MCP1319MT-46LE/OT used for?

What are the specifications of MCP1319MT-46LE/OT?

Compliance & Regulatory

Where can I find the MCP1319MT-46LE/OT datasheet?

What are equivalent replacements for MCP1319MT-46LE/OT?

Frequently Asked Questions

At what supply voltage does MCP1319MT-46LE/OT assert its reset signal, and how is this threshold set?

Does MCP1319MT-46LE/OT support a manual reset function, and in which design scenarios is this useful?

How does the SOT-23-5 package of MCP1319MT-46LE/OT compare to larger supervisor packages in board space savings?

Related Guides

CSD87313DMS Synchronous Buck Power Stage Design Guide

STEF05SGR eFuse Selection Guide for 5 V Overcurrent Protection

C0402C103K3RACTU Selection Guide: Choosing a 10 nF 0402 MLCC

STM32H753VIT6 MCU Selection Guide: Memory, Package, Connectivity, and Security

Why Buy from FindMyChip

About Microchip

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