PIC18F4550-I/MLAlternatives & Equivalent Parts
About PIC18F4550-I/ML
PIC18F4550-I/ML is a Integrated Circuit component manufactured by Microchip. It comes in a Quad Flat No-Lead package. Below you'll find known alternative and equivalent parts that can serve as replacements in your design.
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Get one quote covering all 9 alternatives for PIC18F4550-I/ML — response within 24 hours.
Specification Comparison
| Parameter | PIC18F4550-I/MLSource | PIC18F4550-I/P | PIC18F4550T-I/ML | LM217T | TIP50G | PIC18LF4550-I/ML | PIC18F4455-I/ML | PIC18F45J11-I/ML | PIC18F46J11-I/ML | PIC18F44J11-I/ML |
|---|---|---|---|---|---|---|---|---|---|---|
| Manufacturer | Microchip | Microchip | Microchip | STMicroelectronics | ON Semiconductor | Microchip | Microchip | Microchip | Microchip | Microchip |
| Package Type | Quad Flat No-Lead | Dual-In-Line Packages | Quad Flat No-Lead | Transistor Outline, Vertical | Transistor Outline, Vertical | Quad Flat No-Lead | Quad Flat No-Lead | Quad Flat No-Lead | Quad Flat No-Lead | Quad Flat No-Lead |
| Pin Count | 44 | 40 | 44 | 3 | 3 | 44 | 44 | 44 | 44 | 44 |
| Temperature Range | -40.0°C ~ 85.0°C | -40.0°C ~ 85.0°C | -40.0°C ~ 85.0°C | — | ~ 150.0°C | -40.0°C ~ 85.0°C | -40.0°C ~ 85.0°C | -40.0°C ~ 85.0°C | -40.0°C ~ 85.0°C | -40.0°C ~ 85.0°C |
| Price | $5.2900 | $6.7171 | $5.3300 | $0.3041 | $0.2576 | $5.5300 | $5.1000 | $3.3000 | $4.0200 | $3.0900 |
| Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | ACTIVE | ACTIVE | ACTIVE | ACTIVE | ACTIVE | ACTIVE | ACTIVE | ACTIVE | ACTIVE | ACTIVE |
| Electrical Parameters | ||||||||||
| Pbfree Code | Yes | Yes | Yes | — | Yes | Yes | Yes | Yes | Yes | Yes |
| Manufacturer Package Code | QFN-44 | PDIP-40 | QFN-44 | — | 221A | QFN-44 | QFN-44 | QFN-44 | QFN-44 | QFN-44 |
| Factory Lead Time | 5 Weeks | 7 Weeks | 7 Weeks | 8 Weeks | — | 5 Weeks | 5 Weeks | 8 Weeks | 8 Weeks | 8 Weeks |
| YTEOL | 9 | 9 | 9 | 6.01 | 4 | 9 | 9 | 8 | 8 | 8 |
| Has ADC | YES | YES | YES | — | — | YES | YES | YES | YES | YES |
| Bit Size | 8 | 8 | 8 | — | — | 8 | 8 | 8 | 8 | 8 |
| Boundary Scan | NO | NO | NO | — | — | NO | NO | NO | NO | NO |
| CPU Family | PIC18 | PIC18 | PIC18 | — | — | PIC18 | PIC18 | PIC18 | PIC18 | PIC18 |
| Clock Frequency-Max | 48 MHz | 48 MHz | 48 MHz | — | — | 48 MHz | 48 MHz | 48 MHz | 48 MHz | 48 MHz |
| DAC Channels | NO | NO | NO | — | — | NO | NO | NO | NO | NO |
| DMA Channels | NO | NO | NO | — | — | NO | NO | NO | NO | NO |
| Format | FIXED POINT | FIXED POINT | FIXED POINT | — | — | FIXED POINT | FIXED POINT | FIXED POINT | FIXED POINT | FIXED POINT |
| Integrated Cache | NO | NO | NO | — | — | NO | NO | NO | NO | NO |
| JESD-30 Code | S-PQCC-N44 | R-PDIP-T40 | S-PQCC-N44 | R-XSFM-T3 | R-PSFM-T3 | S-PQCC-N44 | S-PQCC-N44 | S-PQCC-N44 | S-PQCC-N44 | S-PQCC-N44 |
| JESD-609 Code | e3 | e3 | e3 | e3 | e3 | e3 | e3 | e3 | e3 | e3 |
| Low Power Mode | YES | YES | YES | — | — | YES | YES | YES | YES | YES |
| Number of External Interrupts | 3 | 3 | 3 | — | — | 3 | 3 | 4 | 4 | 4 |
| Number of I/O Lines | 35 | 35 | 35 | — | — | 35 | 35 | 35 | 35 | 35 |
| Number of Serial I/Os | 1 | 1 | 1 | — | — | 1 | 1 | 1 | 1 | 1 |
| Number of Timers | 4 | 4 | 4 | — | — | 4 | 4 | 5 | 5 | 5 |
| On Chip Data RAM Width | 8 | 8 | 8 | — | — | 8 | 8 | 8 | 8 | 8 |
| On Chip Program ROM Width | 8 | 8 | 8 | — | — | 16 | 8 | 16 | 16 | 16 |
| PWM Channels | YES | YES | YES | — | — | YES | YES | YES | YES | YES |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | UNSPECIFIED | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Equivalence Code | LCC44,.31SQ,25 | DIP40,.6 | LCC44,.31SQ,25 | SIP3,.1TB | — | LCC44,.31SQ,25 | LCC44,.31SQ,25 | LCC44,.31SQ,25 | LCC44,.31SQ,25 | LCC44,.31SQ,25 |
| Package Shape | SQUARE | RECTANGULAR | SQUARE | RECTANGULAR | RECTANGULAR | SQUARE | SQUARE | SQUARE | SQUARE | SQUARE |
| Package Style | CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE | IN-LINE | CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE | FLANGE MOUNT | FLANGE MOUNT | CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE | CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE | CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE | CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE | CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE |
| Peak Reflow Temperature (Cel) | 260 | — | 260 | 260 | NOT SPECIFIED | 260 | 260 | 260 | 260 | 260 |
| Qualification Status | Not Qualified | Not Qualified | Not Qualified | Not Qualified | Not Qualified | Not Qualified | Not Qualified | Not Qualified | Not Qualified | Not Qualified |
| RAM (bytes) | 2048 | 2048 | 2048 | — | — | 2048 | 2048 | 3776 | 3776 | 3776 |
| ROM (words) | 32768 | 32768 | 32768 | — | — | 16384 | 24576 | 16384 | 32768 | 8192 |
| ROM Programmability | FLASH | FLASH | FLASH | — | — | FLASH | FLASH | FLASH | FLASH | FLASH |
| Screening Level | TS 16949 | TS 16949 | TS 16949 | — | — | TS 16949 | TS 16949 | TS 16949 | TS 16949 | TS 16949 |
| Speed | 48 MHz | 48 MHz | 48 MHz | — | — | 48 MHz | 48 MHz | 48 MHz | 48 MHz | 48 MHz |
| Supply Current-Max | 50 mA | 50 mA | 50 mA | — | — | 50 mA | 50 mA | 24.1 mA | 24.1 mA | 24.1 mA |
| Supply Voltage-Max | 5.5 V | 5.5 V | 5.5 V | — | — | 5.5 V | 5.5 V | 3.6 V | 3.6 V | 3.6 V |
| Supply Voltage-Min | 4.2 V | 4.2 V | 4.2 V | — | — | 4.2 V | 4.2 V | 2.15 V | 2.15 V | 2.15 V |
| Supply Voltage-Nom | 5 V | 5 V | 5 V | — | — | 5 V | 5 V | 3 V | 3 V | 3 V |
| Surface Mount | YES | NO | YES | NO | NO | YES | YES | YES | YES | YES |
| Technology | CMOS | CMOS | CMOS | BIPOLAR | — | CMOS | CMOS | CMOS | CMOS | CMOS |
| Temperature Grade | INDUSTRIAL | INDUSTRIAL | INDUSTRIAL | — | — | INDUSTRIAL | INDUSTRIAL | INDUSTRIAL | INDUSTRIAL | INDUSTRIAL |
| Terminal Finish | Matte Tin (Sn) | Matte Tin (Sn) | Matte Tin (Sn) | Matte Tin (Sn) - annealed | Matte Tin (Sn) - annealed | Matte Tin (Sn) | Matte Tin (Sn) | Matte Tin (Sn) | Matte Tin (Sn) | Matte Tin (Sn) |
| Terminal Form | NO LEAD | THROUGH-HOLE | NO LEAD | THROUGH-HOLE | THROUGH-HOLE | NO LEAD | NO LEAD | NO LEAD | NO LEAD | NO LEAD |
| Terminal Pitch | 0.65 mm | 2.54 mm | 0.65 mm | 2.54 mm | — | 0.65 mm | 0.65 mm | 0.65 mm | 0.65 mm | 0.65 mm |
| Terminal Position | QUAD | DUAL | QUAD | SINGLE | SINGLE | QUAD | QUAD | QUAD | QUAD | QUAD |
| uPs/uCs/Peripheral ICs Type | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC | — | — | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC |
| ## PIC18F4550-I/P Alternates Showing results | — | Image | — | — | — | — | — | — | — | — |
| ## PIC18F4550T-I/ML Alternates Showing results | — | — | Image | — | — | — | — | — | — | — |
| Adjustability | — | — | — | ADJUSTABLE | — | — | — | — | — | — |
| Dropout Voltage1-Nom | — | — | — | 3 V | — | — | — | — | — | — |
| Input-Output Voltage Differential-Max | — | — | — | 40 V | — | — | — | — | — | — |
| Input-Output Voltage Differential-Min | — | — | — | 3 V | — | — | — | — | — | — |
| Line Regulation-Max (%/V) | — | — | — | 0.05 | — | — | — | — | — | — |
| Load Regulation-Max(%) | — | — | — | 1% | — | — | — | — | — | — |
| Number of Functions | — | — | — | 1 | — | — | — | — | — | — |
| Number of Outputs | — | — | — | 1 | — | — | — | — | — | — |
| Operating Temperature TJ-Max | — | — | — | 150 °C | — | — | — | — | — | — |
| Operating Temperature TJ-Min | — | — | — | -25 °C | — | — | — | — | — | — |
| Output Current1-Max | — | — | — | 1.5 A | — | — | — | — | — | — |
| Output Voltage1-Max | — | — | — | 37 V | — | — | — | — | — | — |
| Output Voltage1-Min | — | — | — | 1.2 V | — | — | — | — | — | — |
| Packing Method | — | — | — | TUBE | — | — | — | — | — | — |
| Regulator Type | — | — | — | ADJUSTABLE POSITIVE SINGLE OUTPUT STANDARD REGULATOR | — | — | — | — | — | — |
| Additional Feature | — | — | — | — | LEADFORM OPTIONS ARE AVAILABLE | ALSO OPERATES AT MINIMUM 2V AT 4MHZ | ALSO OPERATES AT MINIMUM 2V AT 4MHZ | — | — | — |
| Case Connection | — | — | — | — | COLLECTOR | — | — | — | — | — |
| Collector Current-Max (IC) | — | — | — | — | 1 A | — | — | — | — | — |
| Collector-Emitter Voltage-Max | — | — | — | — | 400 V | — | — | — | — | — |
| Configuration | — | — | — | — | SINGLE | — | — | — | — | — |
| DC Current Gain-Min (hFE) | — | — | — | — | 10 | — | — | — | — | — |
| JEDEC-95 Code | — | — | — | — | TO-220AB | — | — | — | — | — |
| Number of Elements | — | — | — | — | 1 | — | — | — | — | — |
| Polarity/Channel Type | — | — | — | — | NPN | — | — | — | — | — |
| Power Dissipation-Max (Abs) | — | — | — | — | 40 W | — | — | — | — | — |
| Time@Peak Reflow Temperature-Max (s) | — | — | — | — | NOT SPECIFIED | — | 40 | — | — | — |
| Transistor Application | — | — | — | — | SWITCHING | — | — | — | — | — |
| Transistor Element Material | — | — | — | — | SILICON | — | — | — | — | — |
| Transition Frequency-Nom (fT) | — | — | — | — | 10 MHz | — | — | — | — | — |
Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.
Need pricing on these alternatives?
Get one quote covering all 9 alternatives for PIC18F4550-I/ML — response within 24 hours.
Quick Links
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RISC Microcontroller, 8-Bit, FLASH, PIC18 CPU, 48MHz, CMOS, PQCC44
RISC Microcontroller, 8-Bit, FLASH, PIC18 CPU, 48MHz, CMOS, PQCC44
Why Look for Alternatives?
Finding alternatives for PIC18F4550-I/ML is essential for supply chain resilience. Component shortages, long lead times, and end-of-life notices can disrupt production schedules. Having verified alternative parts ensures your designs remain manufacturable.
When evaluating PIC18F4550-I/ML replacements, consider key parameters such as package compatibility, electrical specifications, and operating temperature range. Our engineering team can help verify pin-to-pin compatibility for your specific application.
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FAQ
What is equivalent to PIC18F4550-I/ML?
Known equivalents for PIC18F4550-I/ML include PIC18F4550-I/P, PIC18F4550T-I/ML, LM217T. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of PIC18F4550-I/ML?
In many cases, yes. Cross-manufacturer alternatives exist for most standard components. However, always verify pin compatibility, electrical specs, and package dimensions before substituting in production.
How do I verify PIC18F4550-I/ML alternatives?
Compare the datasheet specifications including pinout, voltage ratings, timing parameters, and package dimensions. FindMyChip's engineering team can help with compatibility verification — submit an RFQ to get started.