LM7805 Guide: Pinout, Heat Limits and Buck Alternatives
Work out whether a 7805 can power your board: check its pins, input headroom, realistic heat budget and the changes required for a buck replacement.
Read articleComponent intelligence
Find the exact part. Then verify the supply.
Search manufacturer part numbers, manufacturers and component families. Catalog matches support identification; commercial availability is confirmed through stock review and quotation.
01
Exact MPN recognition
A direct part-number match is separated from broader keyword results.
02
Technical cross-check
Manufacturer, family, package and parameters remain part of the review.
03
Quoted availability
Quantity, MOQ, date code, price and lead time require confirmation.
Catalog search
Results for “Микроконтроллеры”
10 product matches in this result view.
A matching record confirms catalog identity, not current stock. Review the MPN, manufacturer and package before requesting quoted availability.
Catalog matches
Use manufacturer, category and published technical fields to narrow the result before quotation.
Filters0 groups
-
MAX809REUR+TMAX809REUR+T - Analog Devices Microcontroller, SOT-23-3
Analog Devices ADISOT-23-3In Stock 2726 units available$0.94 USD Final price in quote -
MIMXRT1021DAF5BMIMXRT1021DAF5B - NXP Semiconductors Microcontroller, SOT-407-3
NXP Semiconductors NXPSOT-407-3In Stock 56 units available$7.75 USD Final price in quote -
C8051F392-A-GMRC8051F392-A-GMR - Silicon Labs Microcontroller, QFN-20-EP (4x4mm)
SILICON LABS SILICONLABSQFN-20-EP (4x4mm)Check availability Confirm current availability$2.22 USD Final price in quote -
FS32K116LAT0MLFTFS32K116LAT0MLFT - NXP Semiconductors Microcontroller, LQFP-48
NXP Semiconductors NXPLQFP-48In Stock 253 units available$2.43 USD Final price in quote -
MKL03Z32VFK4MKL03Z32VFK4 - NXP Semiconductors Microcontroller, QFN-24
NXP Semiconductors NXPQFN-24In Stock 4425 units available$3.09 USD Final price in quote -
STC32G12K128-35I-LQFP48STC32G12K128-35I-LQFP48 - STC Micro Microcontroller, LQFP-48
STC Micro STCLQFP-48Check availability Confirm current availability$1.11 USD Final price in quote -
GD32F427RET6GD32F427RET6 - GigaDevice Microcontroller, LQFP-64
GigaDevice Semiconductor GIGADEVICELQFP-64In Stock 960 units available$4.07 USD Final price in quote -
F280049CPZSF280049CPZS - Texas Instruments Microcontroller, LQFP-100
TI TILQFP-100Check availability Confirm current availability$12.16 USD Final price in quote -
PIC18F46K80-I/PTPIC18F46K80-I/PT - Microchip Technology Microcontroller, TQFP-44(10X10)
MICROCHIP MICROCHIPTQFP-44(10X10)Check availability Confirm current availability$4.33 USD Final price in quote -
LPC55S69JBD100KLPC55S69JBD100K - NXP Semiconductors Microcontroller, SOT-1570-3
NXP NXPSOT-1570-3Check availability Confirm current availability$8.63 USD Final price in quote -
HC32F072FAUA-QN32TRHC32F072FAUA-QN32TR - XHSC Microcontroller, TQFN-32-EP
XHSC XHSCTQFN-32-EPCheck availability Confirm current availability$1.77 USD Final price in quote -
STC15W408AS-35I-SOP16STC15W408AS-35I-SOP16 - STC micro Microcontroller, SOP-16
STC micro STCSOP-16In Stock 55 units available$1.15 USD Final price in quote -
LPC55S69JBD100KLPC55S69JBD100K - NXP Semiconductors Microcontroller, HLQFP(EP)
NXP Semiconductors NXPHLQFP(EP)，QFPIn Stock 810 units available$8.77 USD Final price in quote -
MC56F8025VLDMC56F8025VLD - NXP Semiconductors Microcontroller, LQFP-44 (10×10 mm)
NXP Semiconductors NXPLQFP-44 (10×10 mm)In Stock 638 units available$18.62 USD Final price in quote -
MK02FN128VFM10MK02FN128VFM10 - NXP Semiconductors Microcontroller, QFN-32
NXP Semiconductors NXPQFN-32In Stock 2434 units available$6.00 USD Final price in quote -
STC89C52RC-40I-LQFP44STC89C52RC-40I-LQFP44 - STC Micro Microcontroller, LQFP-44
STC Micro STCLQFP-44Check availability Confirm current availability$1.24 USD Final price in quote -
DSPIC33EP256MC204-I/PTDSPIC33EP256MC204-I/PT - Microchip Technology Microcontroller, TQFP-44(10X10)
MICROCHIP MICROCHIPTQFP-44(10X10)Check availability Confirm current availability$4.55 USD Final price in quote -
STC8A8K64D4-45I-LQFP48STC8A8K64D4-45I-LQFP48 - STC Micro Microcontroller, LQFP-48
STC Micro STCLQFP-48Check availability Confirm current availability$1.84 USD Final price in quote -
STC12C5A60S2-35I-LQFP44STC12C5A60S2-35I-LQFP44 - STC Micro Microcontroller, LQFP-44
STC Micro STCLQFP-44Check availability Confirm current availability$1.94 USD Final price in quote -
STC8H8K64U-45I-LQFP48STC8H8K64U-45I-LQFP48 - STC Micro Microcontroller, LQFP-48
STC Micro STCLQFP-48Check availability Confirm current availability$0.91 USD Final price in quote -
STM32G071K8U6STM32G071K8U6 - STMicroelectronics Microcontroller, UFQFPN-32(5X5)
ST STUFQFPN-32(5X5)Check availability Confirm current availability$2.13 USD Final price in quote -
STC8A8K64D4-45I-LQFP64STC8A8K64D4-45I-LQFP64 - STC Micro Microcontroller, LQFP-64
STC Micro STCLQFP-64Check availability Confirm current availability$1.84 USD Final price in quote -
STC8H1K28-36I-LQFP32STC8H1K28-36I-LQFP32 - STC Micro Microcontroller, LQFP-32
STC Micro STCLQFP-32Check availability Confirm current availability$0.67 USD Final price in quote -
STC15F104W-35I-SOP8STC15F104W-35I-SOP8 - STC Micro Microcontroller, SOIC-8
STC Micro STCSOIC-8Check availability Confirm current availability$0.52 USD Final price in quote
Need a functional equivalent or alternate package?
Send the original MPN, critical electrical limits, package, temperature grade and target quantity for engineering-assisted sourcing.
From the desk
Recent Articles
Market signals, technical notes, and practical sourcing guidance for semiconductor procurement.
Incoming Inspection: Sampling, Tests, and Records
A receiving routine that holds up in an audit: ISO 2859-1 sampling, AQL by part class, cheap-to-expensive test order, and records someone else can reproduce.
Read article
USB 2.0 Pair Routing: Impedance, Skew, and Return Path
At 480 Mb/s a bit is 2.08 ns. 90 ohm impedance, 50 mil skew, and a continuous return path decide whether the link keeps high speed...
Read article
LM317 Guide: Pinout, Resistor Values and Heat Limits
Choose LM317 resistor values, identify the output-connected tab, check minimum load and calculate a realistic heat budget before approving a replacement.
Read article
Crystal Startup: Load Caps, Negative Resistance, Probes
An oscillator that starts on the bench and fails cold has a margin problem. Load capacitor math, the negative-resistance test, and the probe that stops the...
Read article
I2C Timing: Rise Time, Pull-Ups, and Probe Traps
Most I2C failures are rise time and capacitance, not protocol. The 30-70% measurement, the pull-up window, and the probe that changes the answer.
Read article
LM317 Heat: Dissipation, Heatsink Sizing, and the 3 V Rule
The LM317 needs 3 V of headroom and a heatsink sized by one equation. Worked numbers for 12 V to 5 V, the 5 V to...
Read article
Counterfeit and Remarked Components: A Buyer's Checklist
Most counterfeit parts are not clever fakes: they are re-dated, re-marked or re-reeled stock. Five checks a buyer can run before accepting, with the tests that...
Read article