STM32F051K4T6Alternatives & Equivalent Parts
About STM32F051K4T6
STM32F051K4T6 is a Integrated Circuit component manufactured by STMicroelectronics. It comes in a Quad Flat Packages package. Below you'll find known alternative and equivalent parts that can serve as replacements in your design.
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Specification Comparison
| Parameter | STM32F051K4T6Source | STM32F051K4T6TR | MIC5504-3.3YM5-TR | MC01W0805110K | 150141RS73100 | 47346-0001 | STM32F051K8T6 | STM32F051K6T6 | STM32F031K4U6 | STM32F031K6T6 | STM32F051K8T7 | STM32F031K6T7 | STM32F031K6U6 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Manufacturer | STMicroelectronics | STMicroelectronics | Microchip | MULTICOMP | Würth Elektronik | Molex | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Package Type | Quad Flat Packages | Quad Flat Packages | SOT23 (5-Pin) | Resistor Chip | LED Moulded | Other | Quad Flat Packages | Quad Flat Packages | Quad Flat No-Lead | Quad Flat Packages | Quad Flat Packages | Quad Flat Packages | Quad Flat No-Lead |
| Pin Count | 32 | 32 | 5 | 2 | 2 | 11 | 32 | 32 | 33 | 32 | 32 | 32 | 33 |
| Temperature Range | -40.0°C ~ 85.0°C | -40.0°C ~ 85.0°C | — | -55.0°C ~ 155.0°C | -40.0°C ~ 85.0°C | -30.0°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 | -40.0°C ~ 105.0°C | -40.0°C ~ 105.0°C | -40.0°C ~ 85.0°C |
| Price | $1.5100 | $1.3826 | $0.1057 | $0.0070 | $0.1320 | $0.2438 | $1.8518 | $1.6850 | $1.3557 | $1.4100 | $1.9816 | $1.6646 | $1.6088 |
| Stock | In Stock | In Stock | In 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 | ACTIVE | ACTIVE | ACTIVE |
| Electrical Parameters | |||||||||||||
| Factory Lead Time | 13 Weeks | 13 Weeks | 20 Weeks | — | — | — | 13 Weeks | 13 Weeks | 13 Weeks | 13 Weeks | 13 Weeks | 13 Weeks | 13 Weeks |
| YTEOL | 9 | 9 | 13 | 12 | 15 | 6.85 | 9 | 9 | 9 | 9 | 9 | 9 | 9 |
| Has ADC | YES | YES | — | — | — | — | YES | YES | YES | YES | YES | YES | YES |
| Bit Size | 32 | 32 | — | — | — | — | 32 | 32 | 32 | 32 | 32 | 32 | 32 |
| Boundary Scan | NO | NO | — | — | — | — | NO | NO | NO | NO | NO | NO | NO |
| CPU Family | CORTEX-M0 | CORTEX-M0 | — | — | — | — | CORTEX-M0 | CORTEX-M0 | CORTEX-M0 | — | CORTEX-M0 | — | — |
| Clock Frequency-Max | 32 MHz | 32 MHz | — | — | — | — | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz |
| DAC Channels | YES | YES | — | — | — | — | YES | YES | NO | NO | YES | NO | NO |
| DMA Channels | YES | YES | — | — | — | — | YES | YES | YES | YES | YES | YES | YES |
| Format | FLOATING POINT | FLOATING POINT | — | — | — | — | FLOATING POINT | FLOATING POINT | — | — | FLOATING POINT | — | — |
| JESD-30 Code | S-PQFP-G32 | S-PQFP-G32 | R-PDSO-G5 | — | — | — | S-PQFP-G32 | S-PQFP-G32 | S-PQFP-G32 | S-PQFP-G32 | S-PQFP-G32 | S-PQFP-G32 | S-PQFP-G32 |
| JESD-609 Code | e3 | e3 | e4 | e3 | — | e4 | e3 | e3 | e4 | e3 | e3 | e3 | e4 |
| Low Power Mode | YES | YES | — | — | — | — | YES | YES | — | — | YES | — | — |
| Number of DMA Channels | 5 | 5 | — | — | — | — | 5 | 5 | — | — | 5 | — | — |
| Number of External Interrupts | 5 | 5 | — | — | — | — | 5 | 5 | — | — | 5 | — | — |
| Number of I/O Lines | 25 | 25 | — | — | — | — | 25 | 25 | 25 | 25 | 25 | 25 | 25 |
| On Chip Data RAM Width | 8 | 8 | — | — | — | — | 8 | 8 | — | — | 8 | — | — |
| On Chip Program ROM Width | 8 | 8 | — | — | — | — | 8 | 8 | 8 | 8 | 8 | 8 | 8 |
| PWM Channels | YES | YES | — | — | — | — | YES | YES | YES | YES | YES | YES | YES |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | — | — | — | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Equivalence Code | QFP32,.35SQ,32 | QFP32,.35SQ,32 | TSOP5/6,.11,37 | — | — | — | QFP32,.35SQ,32 | QFP32,.35SQ,32 | — | — | QFP32,.35SQ,32 | — | — |
| Package Shape | SQUARE | SQUARE | RECTANGULAR | RECTANGULAR PACKAGE | — | — | SQUARE | SQUARE | SQUARE | SQUARE | SQUARE | SQUARE | SQUARE |
| Package Style | FLATPACK, LOW PROFILE | FLATPACK, LOW PROFILE | SMALL OUTLINE, LOW PROFILE, SHRINK PITCH | SMT | — | — | FLATPACK, LOW PROFILE | FLATPACK, LOW PROFILE | FLATPACK, LOW PROFILE | FLATPACK, LOW PROFILE | FLATPACK, LOW PROFILE | FLATPACK, LOW PROFILE | FLATPACK, LOW PROFILE |
| Peak Reflow Temperature (Cel) | 260 | 260 | — | — | — | — | 260 | 260 | 260 | 260 | 260 | 260 | 260 |
| Qualification Status | Not Qualified | Not Qualified | — | — | — | — | Not Qualified | Not Qualified | — | — | Not Qualified | — | — |
| RAM (bytes) | 8192 | 8192 | — | — | — | — | 8192 | 8192 | 4096 | — | 8192 | — | — |
| ROM (words) | 16384 | 16384 | — | — | — | — | 65536 | 32768 | 16384 | 32768 | 65536 | 32768 | 32768 |
| ROM Programmability | FLASH | FLASH | — | — | — | — | FLASH | FLASH | FLASH | FLASH | FLASH | FLASH | FLASH |
| Speed | 48 MHz | 48 MHz | — | — | — | — | 48 MHz | 48 MHz | 48 MHz | 48 MHz | 48 MHz | 48 MHz | 48 MHz |
| Supply Current-Max | 23.2 mA | 23.2 mA | — | — | — | — | 23.2 mA | 23.2 mA | — | — | 23.2 mA | — | — |
| Supply Voltage-Max | 3.6 V | 3.6 V | — | — | — | — | 3.6 V | 3.6 V | 3.6 V | 3.6 V | 3.6 V | 3.6 V | 3.6 V |
| Supply Voltage-Min | 3.3 V | 3.3 V | — | — | — | — | 3.3 V | 3.3 V | 3.3 V | 2 V | 3.3 V | 2 V | 2 V |
| Supply Voltage-Nom | 3.3 V | 3.3 V | — | — | — | — | 3.3 V | 3.3 V | 3.3 V | 3.3 V | 3.3 V | 3.3 V | 3.3 V |
| Surface Mount | YES | YES | YES | YES | YES | — | YES | YES | YES | YES | YES | YES | YES |
| Technology | CMOS | CMOS | CMOS | METAL GLAZE/THICK FILM | — | — | CMOS | CMOS | CMOS | CMOS | CMOS | CMOS | CMOS |
| Temperature Grade | INDUSTRIAL | INDUSTRIAL | — | — | — | — | INDUSTRIAL | INDUSTRIAL | INDUSTRIAL | INDUSTRIAL | INDUSTRIAL | INDUSTRIAL | INDUSTRIAL |
| Terminal Finish | Matte Tin (Sn) | Matte Tin (Sn) | Nickel/Palladium/Gold (Ni/Pd/Au) | Tin (Sn) - with Nickel (Ni) barrier | — | — | Matte Tin (Sn) | Matte Tin (Sn) | Nickel/Palladium/Gold (Ni/Pd/Au) | Tin (Sn) | Matte Tin (Sn) | Tin (Sn) | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal Form | GULL WING | GULL WING | GULL WING | — | — | — | GULL WING | GULL WING | GULL WING | GULL WING | GULL WING | GULL WING | GULL WING |
| Terminal Pitch | 0.8 mm | 0.8 mm | 0.95 mm | — | 2.85 mm | 0.65 mm | 0.8 mm | 0.8 mm | 0.8 mm | 0.8 mm | 0.8 mm | 0.8 mm | 0.8 mm |
| Terminal Position | QUAD | QUAD | DUAL | — | — | — | QUAD | QUAD | QUAD | QUAD | QUAD | QUAD | QUAD |
| Time@Peak Reflow Temperature-Max (s) | 30 | 30 | — | — | — | — | 30 | 30 | — | — | — | — | — |
| uPs/uCs/Peripheral ICs Type | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC | — | — | — | — | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC |
| ## STM32F051K4T6 Alternates Showing results | Image | — | — | — | — | — | — | — | — | — | — | — | — |
| Pbfree Code | — | — | Yes | — | — | Yes | — | — | — | — | — | — | — |
| Manufacturer Package Code | — | — | SOT-23-5 | — | — | — | — | — | — | — | — | — | — |
| Adjustability | — | — | FIXED | — | — | — | — | — | — | — | — | — | — |
| Dropout Voltage1-Max | — | — | 0.38 V | — | — | — | — | — | — | — | — | — | — |
| Dropout Voltage1-Nom | — | — | 0.16 V | — | — | — | — | — | — | — | — | — | — |
| Input Voltage Absolute-Max | — | — | 6 V | — | — | — | — | — | — | — | — | — | — |
| Input Voltage-Max | — | — | 5.5 V | — | — | — | — | — | — | — | — | — | — |
| Input Voltage-Min | — | — | 4.3 V | — | — | — | — | — | — | — | — | — | — |
| Line Regulation-Max | — | — | 0.01188% | — | — | — | — | — | — | — | — | — | — |
| Load Regulation-Max | — | — | 0.04% | — | — | — | — | — | — | — | — | — | — |
| Number of Functions | — | — | 1 | — | 1 | — | — | — | — | — | — | — | — |
| Number of Outputs | — | — | 1 | — | — | — | — | — | — | — | — | — | — |
| Operating Temperature TJ-Max | — | — | 125 °C | — | — | — | — | — | — | — | — | — | — |
| Operating Temperature TJ-Min | — | — | -40 °C | — | — | — | — | — | — | — | — | — | — |
| Output Current1-Max | — | — | 0.3 A | — | — | — | — | — | — | — | — | — | — |
| Output Voltage1-Max | — | — | 3.399 V | — | — | — | — | — | — | — | — | — | — |
| Output Voltage1-Min | — | — | 3.201 V | — | — | — | — | — | — | — | — | — | — |
| Output Voltage1-Nom | — | — | 3.3 V | — | — | — | — | — | — | — | — | — | — |
| Packing Method | — | — | TR | TR | TR, 7 INCH | — | — | — | — | — | — | — | — |
| Regulator Type | — | — | FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR | — | — | — | — | — | — | — | — | — | — |
| Screening Level | — | — | TS 16949 | — | — | — | — | — | — | — | — | — | — |
| Voltage Tolerance-Max | — | — | 3% | — | — | — | — | — | — | — | — | — | — |
| ## MIC5504-3.3YM5-TR Alternates Showing results | — | — | Image | — | — | — | — | — | — | — | — | — | — |
| Reach Compliance Code | — | — | — | Compliant | — | Compliant | — | — | — | — | — | — | — |
| Construction | — | — | — | Rectangular | — | — | — | — | — | — | — | — | — |
| Mounting Feature | — | — | — | SURFACE MOUNT | SURFACE MOUNT | — | — | — | — | — | — | — | — |
| Package Height | — | — | — | 0.55 mm | — | — | — | — | — | — | — | — | — |
| Package Length | — | — | — | 2 mm | — | — | — | — | — | — | — | — | — |
| Package Width | — | — | — | 1.25 mm | — | — | — | — | — | — | — | — | — |
| Rated Power Dissipation (P) | — | — | — | 0.1 W | — | — | — | — | — | — | — | — | — |
| Rated Temperature | — | — | — | 70 °C | — | — | — | — | — | — | — | — | — |
| Resistance | — | — | — | 10000 Ω | — | — | — | — | — | — | — | — | — |
| Resistor Type | — | — | — | FIXED RESISTOR | — | — | — | — | — | — | — | — | — |
| Size Code | — | — | — | 0805 | — | — | — | — | — | — | — | — | — |
| Temperature Coefficient | — | — | — | 100 ppm/°C | — | — | — | — | — | — | — | — | — |
| Terminal Shape | — | — | — | WRAPAROUND | — | — | — | — | — | — | — | — | — |
| Tolerance | — | — | — | 1% | — | — | — | — | — | — | — | — | — |
| Working Voltage | — | — | — | 150 V | — | — | — | — | — | — | — | — | — |
| Color | — | — | — | — | RED | — | — | — | — | — | — | — | — |
| Configuration | — | — | — | — | SINGLE | — | — | — | — | — | — | — | — |
| Forward Current-Max | — | — | — | — | 0.03 A | — | — | — | — | — | — | — | — |
| Lens Type | — | — | — | — | WATER CLEAR | — | — | — | — | — | — | — | — |
| Luminous Intensity-Nom | — | — | — | — | 300.0 mcd | — | — | — | — | — | — | — | — |
| Optoelectronic Device Type | — | — | — | — | SINGLE COLOR LED | — | — | — | — | — | — | — | — |
| Overall Height | — | — | — | — | 1.75 mm | — | — | — | — | — | — | — | — |
| Peak Wavelength | — | — | — | — | 630 nm | — | — | — | — | — | — | — | — |
| Shape | — | — | — | — | ROUND | — | — | — | — | — | — | — | — |
| Size | — | — | — | — | 2.4 mm | — | — | — | — | — | — | — | — |
| Viewing Angle | — | — | — | — | 120 deg | — | — | — | — | — | — | — | — |
| Additional Feature | — | — | — | — | — | POLARIZED, SHIELDED | — | — | — | — | — | — | — |
| Body Breadth | — | — | — | — | — | 0.116 inch | — | — | — | — | — | — | — |
| Body Depth | — | — | — | — | — | 0.197 inch | — | — | — | — | — | — | — |
| Body Length | — | — | — | — | — | 0.307 inch | — | — | — | — | — | — | — |
| Body/Shell Style | — | — | — | — | — | RECEPTACLE | — | — | — | — | — | — | — |
| Connector Type | — | — | — | — | — | USB CONNECTOR | — | — | — | — | — | — | — |
| Contact Finish Mating | — | — | — | — | — | NOT SPECIFIED | — | — | — | — | — | — | — |
| Contact Finish Termination | — | — | — | — | — | Gold (Au) | — | — | — | — | — | — | — |
| Contact Gender | — | — | — | — | — | FEMALE | — | — | — | — | — | — | — |
| Contact Material | — | — | — | — | — | BRASS | — | — | — | — | — | — | — |
| Contact Pattern | — | — | — | — | — | RECTANGULAR | — | — | — | — | — | — | — |
| Contact Style | — | — | — | — | — | MICRO USB2.0 B | — | — | — | — | — | — | — |
| Durability | — | — | — | — | — | 10000 Cycles | — | — | — | — | — | — | — |
| Empty Shell | — | — | — | — | — | NO | — | — | — | — | — | — | — |
| Filter Feature | — | — | — | — | — | NO | — | — | — | — | — | — | — |
| Insulator Color | — | — | — | — | — | BLACK | — | — | — | — | — | — | — |
| Insulator Material | — | — | — | — | — | LIQUID CRYSTAL POLYMER | — | — | — | — | — | — | — |
| Mixed Contacts | — | — | — | — | — | NO | — | — | — | — | — | — | — |
| Mounting Option 1 | — | — | — | — | — | LOCKING | — | — | — | — | — | — | — |
| Mounting Style | — | — | — | — | — | RIGHT ANGLE | — | — | — | — | — | — | — |
| Mounting Type | — | — | — | — | — | BOARD | — | — | — | — | — | — | — |
| Number Of Connectors | — | — | — | — | — | ONE | — | — | — | — | — | — | — |
| Number Of PCB Rows | — | — | — | — | — | 1 | — | — | — | — | — | — | — |
| Number of Ports | — | — | — | — | — | 1 | — | — | — | — | — | — | — |
| Number of Rows Loaded | — | — | — | — | — | 1 | — | — | — | — | — | — | — |
| Option | — | — | — | — | — | GENERAL PURPOSE | — | — | — | — | — | — | — |
| PCB Contact Pattern | — | — | — | — | — | RECTANGULAR | — | — | — | — | — | — | — |
| Plating Thickness | — | — | — | — | — | FLASH inch | — | — | — | — | — | — | — |
| Rated Current (Signal) | — | — | — | — | — | 1.8 A | — | — | — | — | — | — | — |
| Reference Standard | — | — | — | — | — | UL | — | — | — | — | — | — | — |
| Shell Finish | — | — | — | — | — | TIN | — | — | — | — | — | — | — |
| Shell Material | — | — | — | — | — | STAINLESS STEEL | — | — | — | — | — | — | — |
| Termination Type | — | — | — | — | — | SURFACE MOUNT | — | — | — | — | — | — | — |
| Total Number of Contacts | — | — | — | — | — | 5 | — | — | — | — | — | — | — |
| UL Flammability Code | — | — | — | — | — | 94V-0 | — | — | — | — | — | — | — |
| ## STM32F051K8T6 Alternates Showing results | — | — | — | — | — | — | Image | — | — | — | — | — | — |
| ## STM32F051K6T6 Alternates Showing results | — | — | — | — | — | — | — | Image | — | — | — | — | — |
| ## STM32F031K6T6 Alternates Showing results | — | — | — | — | — | — | — | — | — | Image | — | — | — |
| ## STM32F031K6U6 Alternates Showing results | — | — | — | — | — | — | — | — | — | — | — | — | Image |
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 12 alternatives for STM32F051K4T6 — response within 24 hours.
Quick Links
RISC Microcontroller, 32-Bit, FLASH, CORTEX-M0 CPU, 48MHz, CMOS, PQFP32
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RISC Microcontroller, 32-Bit, FLASH, CORTEX-M0 CPU, 48MHz, CMOS, PQFP32
RISC Microcontroller, 32-Bit, FLASH, CORTEX-M0 CPU, 48MHz, CMOS, PQFP32
RISC Microcontroller, 32-Bit, FLASH, CORTEX-M0 CPU, 48MHz, CMOS, PQFP32
RISC Microcontroller, 32-Bit, FLASH, CORTEX-M0 CPU, 48MHz, CMOS, PQFP32
Why Look for Alternatives?
Finding alternatives for STM32F051K4T6 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 STM32F051K4T6 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 STM32F051K4T6?
Known equivalents for STM32F051K4T6 include STM32F051K4T6TR, MIC5504-3.3YM5-TR, MC01W0805110K. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of STM32F051K4T6?
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 STM32F051K4T6 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.