MCP100-450HI/TO Microchip Integrated Circuit (Other) In Stock
The MCP100-450HI/TO is a single-channel processor supervisor and reset IC from Microchip supporting 3 V, 3.3 V, and 5 V systems with a fixed 4.5 V threshold. It generates a reset signal to hold microcontrollers in reset during power-up and brownout conditions. Housed in a 3-pin TO-92 package, it suits low-cost embedded system supervisory circuits.
- Manufacturer
- Microchip
- Package
- Other
- Pin Count
- 3
- Lifecycle
- ACTIVE
- Datasheet
- MCP100-450HI/TO Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.0416(MOQ 1)
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Fixed 4.5 V supervisory threshold for monitoring 3 V, 3.3 V, and 5 V power rails
- Active-low reset output holds MCU in reset during brownout and power-up sequences
- Single-channel voltage supervisor with no external component required for basic reset function
- TO-92-3 through-hole package enabling easy hand-assembly and prototype board integration
- Pb-free RoHS-compliant construction (JESD-609 Code e3) for compliant product manufacturing
Applications
The MCP100-450HI/TO is used as a power-on reset supervisor in microcontroller and microprocessor systems to ensure orderly startup and brownout protection on 3 V, 3.3 V, or 5 V supply rails. It is a simple, cost-effective solution for industrial controllers, consumer appliances, and embedded systems where a reliable reset signal is needed without additional passive components.
Specifications
| Pbfree Code | Yes |
| Manufacturer Package Code | TO-92-3 |
| Factory Lead Time | 7Weeks |
| YTEOL | 8 |
| Adjustable Threshold | NO |
| Analog IC - Other Type | VOLTAGE SUPERVISOR/RESET IC |
| JESD-30 Code | O-PBCY-T3 |
| JESD-609 Code | e3 |
| Number of Channels | 1 |
| Number of Functions | 1 |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SIP3,.1,50 |
| Package Shape | ROUND |
| Package Style | CYLINDRICAL |
| Qualification Status | Not Qualified |
| Supply Current-Max (Isup) | 0.06mA |
| Supply Voltage-Max (Vsup) | 5.5V |
| Supply Voltage-Min (Vsup) | 1V |
| Supply Voltage-Nom (Vsup) | 4.25V |
| Surface Mount | NO |
| Technology | CMOS |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | THROUGH-HOLE |
| Terminal Pitch | 1.27mm |
| Terminal Position | BOTTOM |
| Threshold Voltage-Nom | +4.38V |
| Package | Other |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.60 |
| Country of Origin | Philippines, Taiwan |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
At what supply voltage does MCP100-450HI/TO assert its reset output, and how does this protect a 3.3 V MCU system?
The MCP100-450HI/TO asserts its active-low reset output when the supply voltage falls below the 4.5 V supervisory threshold, keeping the MCU in reset during brownout or slow power ramp conditions. For a 3.3 V system powered from a 5 V rail, the device guarantees the MCU cannot execute spurious code until the 5 V rail is stable above 4.5 V.
How does the TO-92-3 package of MCP100-450HI/TO fit into prototype and low-volume PCB assembly workflows?
The TO-92-3 is a standard 3-pin through-hole package with a 1.52 mm lead pitch, making it compatible with breadboards, perfboards, and wave-soldered PCBs without any specialized SMT equipment. For low-volume or prototype builds, this package simplifies hand-assembly and rework compared to SOT-23 alternatives, while occupying only 3 pins on the board.
What lead time and lifecycle risk should procurement teams plan for when sourcing MCP100-450HI/TO in volume?
MCP100-450HI/TO carries a factory lead time of approximately 7 weeks and a YTEOL score of 8, suggesting moderate but manageable long-term supply availability. Procurement teams planning multi-year production runs should carry safety stock of at least 8 to 12 weeks to buffer against lead-time fluctuations common in the analog supervisor IC category.
Is MCP100-450HI/TO a suitable drop-in alternative to fixed-threshold supervisors like MAX803 in existing 5 V reset circuits?
The MCP100-450HI/TO with its 4.5 V trip threshold and active-low open-drain reset output is functionally comparable to fixed-threshold supervisors such as the MAX803 in 5 V reset applications. It offers a 3-pin TO-92 package, Pb-free construction, and a threshold suited for detecting undervoltage on a 5 V rail with a typical 200 ms to 300 ms reset timeout on power-up.
Related Guides
How to Choose a BAS70 Schottky Diode for Signal Clamping: Selection Guide
A practical BAS70KFILM and BAS70-family Schottky diode selection guide for signal clamping, RF detection, leakage, and topology choices.
Jul 4, 2026
AMC1202DWVR Design Guide for Isolated Current Sensing
Practical AMC1202DWVR design guide covering shunt sizing, isolation layout, input filtering, ADC scaling, and sourcing choices.
Jul 4, 2026
1206 100 uF MLCC Design Guide for Compact Bulk Decoupling
Design guidance for applying CL31A107MQHNNNE and related 1206 MLCCs in compact bulk decoupling networks.
Jul 3, 2026
0402 10 nF MLCC Design Guide for High-Speed Decoupling
Practical design guidance for using CL05B103KB5NNNC and related 0402 MLCCs in high-speed decoupling networks.
Jul 3, 2026
Why Buy from FindMyChip
About Microchip
Microchip is a leading electronic component manufacturer. FindMyChip sources Microchip ICs directly from authorized China distributors, offering competitive pricing and reliable stock.
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $0.0416 | $0.04 |
In Stock · 24h Response · Worldwide Shipping
Response within 24 hours · Worldwide shipping
“We've been using FindMyChip for 2 years. Pricing is consistently 20-30% below Mouser/DigiKey for volume orders.”