10,000+ Happy Customers
20+ Years in Business
75,000+ SKUs in Stock
80+ Authorized Manufacturers
Helping Tech Companies Create What’s Next!
phoneCall +1.949.783.7300
GET A
QUOTE

Electronic Parts Search

Suntsu Electronics is your reliable source for hard-to-find and obsolete electronic components. Our advanced part search tool makes it easy to quickly find the products you need. You can search by part number, manufacturer, or specifications to instantly access a comprehensive database of electronic components.

Featured Brands

Part Search

CLEAR SEARCH
Total Products: 76,307
ImageData
Sheet		Part NumberManufacturerDescriptionCategoryDevice PackageVoltageOperating
Temp		Additional SpecificationsQtyGet A
Quote
AT89LV52-12PC
AT89LV52-12PCMicrochip TechnologyIC MCU 8BIT 8KB FLASH 40DIPMicrocontrollers40-PDIPN/A0°C ~ 70°C
Core Processor:
8051
Core Size:
8-Bit
Speed:
12MHz
Connectivity:
UART/USART
Number of I/O:
32
Program Memory Size:
8KB (8K x 8)
Program Memory Type:
FLASH
RAM Size:
256 x 8
Voltage – Supply (Vcc/Vdd):
2.7V ~ 6V
Oscillator Type:
Internal
Operating Temperature:
0°C ~ 70°C
Mounting Type:
Through Hole
Supplier Device Package:
40-PDIP
Package / Case:
40-DIP (0.600″”, 15.24mm)
1,097
GET A
QUOTE
AT89LV52-12PI
AT89LV52-12PIMicrochip TechnologyIC MCU 8BIT 8KB FLASH 40DIPMicrocontrollers40-PDIPN/A-40°C ~ 85°C
Core Processor:
8051
Core Size:
8-Bit
Speed:
12MHz
Connectivity:
UART/USART
Number of I/O:
32
Program Memory Size:
8KB (8K x 8)
Program Memory Type:
FLASH
RAM Size:
256 x 8
Voltage – Supply (Vcc/Vdd):
2.7V ~ 6V
Oscillator Type:
Internal
Operating Temperature:
-40°C ~ 85°C
Mounting Type:
Through Hole
Supplier Device Package:
40-PDIP
Package / Case:
40-DIP (0.600″”, 15.24mm)
1,048
GET A
QUOTE
AT89LV55-12AC
AT89LV55-12ACMicrochip TechnologyIC MCU 8BIT 20KB FLASH 44TQFPMicrocontrollers44-TQFP (10x10)N/A0°C ~ 70°C (TA)
Core Processor:
8051
Core Size:
8-Bit
Speed:
12MHz
Connectivity:
UART/USART
Number of I/O:
32
Program Memory Size:
20KB (20K x 8)
Program Memory Type:
FLASH
RAM Size:
256 x 8
Voltage – Supply (Vcc/Vdd):
2.7V ~ 6V
Oscillator Type:
Internal
Operating Temperature:
0°C ~ 70°C (TA)
Mounting Type:
Surface Mount
Supplier Device Package:
44-TQFP (10×10)
Package / Case:
44-TQFP
359
GET A
QUOTE
AT89LV55-12AI
AT89LV55-12AIMicrochip TechnologyIC MCU 8BIT 20KB FLASH 44TQFPMicrocontrollers44-TQFP (10x10)N/A-40°C ~ 85°C (TA)
Core Processor:
8051
Core Size:
8-Bit
Speed:
12MHz
Connectivity:
UART/USART
Number of I/O:
32
Program Memory Size:
20KB (20K x 8)
Program Memory Type:
FLASH
RAM Size:
256 x 8
Voltage – Supply (Vcc/Vdd):
2.7V ~ 6V
Oscillator Type:
Internal
Operating Temperature:
-40°C ~ 85°C (TA)
Mounting Type:
Surface Mount
Supplier Device Package:
44-TQFP (10×10)
Package / Case:
44-TQFP
927
GET A
QUOTE
AT89LV55-12JC
AT89LV55-12JCMicrochip TechnologyIC MCU 8BIT 20KB FLASH 44PLCCMicrocontrollers44-PLCC (16.6x16.6)N/A0°C ~ 70°C (TA)
Core Processor:
8051
Core Size:
8-Bit
Speed:
12MHz
Connectivity:
UART/USART
Number of I/O:
32
Program Memory Size:
20KB (20K x 8)
Program Memory Type:
FLASH
RAM Size:
256 x 8
Voltage – Supply (Vcc/Vdd):
2.7V ~ 6V
Oscillator Type:
Internal
Operating Temperature:
0°C ~ 70°C (TA)
Mounting Type:
Surface Mount
Supplier Device Package:
44-PLCC (16.6×16.6)
Package / Case:
44-LCC (J-Lead)
65
GET A
QUOTE
AT89LV55-12JI
AT89LV55-12JIMicrochip TechnologyIC MCU 8BIT 20KB FLASH 44PLCCMicrocontrollers44-PLCC (16.6x16.6)N/A-40°C ~ 85°C (TA)
Core Processor:
8051
Core Size:
8-Bit
Speed:
12MHz
Connectivity:
UART/USART
Number of I/O:
32
Program Memory Size:
20KB (20K x 8)
Program Memory Type:
FLASH
RAM Size:
256 x 8
Voltage – Supply (Vcc/Vdd):
2.7V ~ 6V
Oscillator Type:
Internal
Operating Temperature:
-40°C ~ 85°C (TA)
Mounting Type:
Surface Mount
Supplier Device Package:
44-PLCC (16.6×16.6)
Package / Case:
44-LCC (J-Lead)
199
GET A
QUOTE
AT89LV55-12PC
AT89LV55-12PCMicrochip TechnologyIC MCU 8BIT 20KB FLASH 40DIPMicrocontrollers40-PDIPN/A0°C ~ 70°C (TA)
Core Processor:
8051
Core Size:
8-Bit
Speed:
12MHz
Connectivity:
UART/USART
Number of I/O:
32
Program Memory Size:
20KB (20K x 8)
Program Memory Type:
FLASH
RAM Size:
256 x 8
Voltage – Supply (Vcc/Vdd):
2.7V ~ 6V
Oscillator Type:
Internal
Operating Temperature:
0°C ~ 70°C (TA)
Mounting Type:
Through Hole
Supplier Device Package:
40-PDIP
Package / Case:
40-DIP (0.600″”, 15.24mm)
959
GET A
QUOTE
AT89LV55-12PI
AT89LV55-12PIMicrochip TechnologyIC MCU 8BIT 20KB FLASH 40DIPMicrocontrollers40-PDIPN/A-40°C ~ 85°C (TA)
Core Processor:
8051
Core Size:
8-Bit
Speed:
12MHz
Connectivity:
UART/USART
Number of I/O:
32
Program Memory Size:
20KB (20K x 8)
Program Memory Type:
FLASH
RAM Size:
256 x 8
Voltage – Supply (Vcc/Vdd):
2.7V ~ 6V
Oscillator Type:
Internal
Operating Temperature:
-40°C ~ 85°C (TA)
Mounting Type:
Through Hole
Supplier Device Package:
40-PDIP
Package / Case:
40-DIP (0.600″”, 15.24mm)
105
GET A
QUOTE
AT89S2051-24PU
AT89S2051-24PUMicrochip TechnologyIC MCU 8BIT 2KB FLASH 20DIPMicrocontrollers20-PDIPN/A-40°C ~ 85°C (TA)
Core Processor:
8051
Core Size:
8-Bit
Speed:
24MHz
Connectivity:
UART/USART
Peripherals:
Brown-out Detect/Reset, POR, PWM
Number of I/O:
15
Program Memory Size:
2KB (2K x 8)
Program Memory Type:
FLASH
RAM Size:
256 x 8
Voltage – Supply (Vcc/Vdd):
2.7V ~ 5.5V
Oscillator Type:
Internal
Operating Temperature:
-40°C ~ 85°C (TA)
Mounting Type:
Through Hole
Supplier Device Package:
20-PDIP
Package / Case:
20-DIP (0.300″”, 7.62mm)
1,383
GET A
QUOTE
AT89S2051-24SU
AT89S2051-24SUMicrochip TechnologyIC MCU 8BIT 2KB FLASH 20SOICMicrocontrollers20-SOICN/A-40°C ~ 85°C (TA)
Core Processor:
8051
Core Size:
8-Bit
Speed:
24MHz
Connectivity:
UART/USART
Peripherals:
Brown-out Detect/Reset, POR, PWM
Number of I/O:
15
Program Memory Size:
2KB (2K x 8)
Program Memory Type:
FLASH
RAM Size:
256 x 8
Voltage – Supply (Vcc/Vdd):
2.7V ~ 5.5V
Oscillator Type:
Internal
Operating Temperature:
-40°C ~ 85°C (TA)
Mounting Type:
Surface Mount
Supplier Device Package:
20-SOIC
Package / Case:
20-SOIC (0.295″”, 7.50mm Width)
195
GET A
QUOTE
AT89S4051-24PU
AT89S4051-24PUMicrochip TechnologyIC MCU 8BIT 4KB FLASH 20DIPMicrocontrollers20-PDIPN/A-40°C ~ 85°C (TA)
Core Processor:
8051
Core Size:
8-Bit
Speed:
24MHz
Connectivity:
UART/USART
Peripherals:
Brown-out Detect/Reset, POR, PWM
Number of I/O:
15
Program Memory Size:
4KB (4K x 8)
Program Memory Type:
FLASH
RAM Size:
256 x 8
Voltage – Supply (Vcc/Vdd):
2.7V ~ 5.5V
Oscillator Type:
Internal
Operating Temperature:
-40°C ~ 85°C (TA)
Mounting Type:
Through Hole
Supplier Device Package:
20-PDIP
Package / Case:
20-DIP (0.300″”, 7.62mm)
528
GET A
QUOTE
AT89S4051-24SU
AT89S4051-24SUMicrochip TechnologyIC MCU 8BIT 4KB FLASH 20SOICMicrocontrollers20-SOICN/A-40°C ~ 85°C (TA)
Core Processor:
8051
Core Size:
8-Bit
Speed:
24MHz
Connectivity:
UART/USART
Peripherals:
Brown-out Detect/Reset, POR, PWM
Number of I/O:
15
Program Memory Size:
4KB (4K x 8)
Program Memory Type:
FLASH
RAM Size:
256 x 8
Voltage – Supply (Vcc/Vdd):
2.7V ~ 5.5V
Oscillator Type:
Internal
Operating Temperature:
-40°C ~ 85°C (TA)
Mounting Type:
Surface Mount
Supplier Device Package:
20-SOIC
Package / Case:
20-SOIC (0.295″”, 7.50mm Width)
1,064
GET A
QUOTE
AT89S4051-24SUR
AT89S4051-24SURMicrochip TechnologyIC MCU 8BIT 4KB FLASH 20SOICMicrocontrollers20-SOICN/A-40°C ~ 85°C (TA)
Core Processor:
8051
Core Size:
8-Bit
Speed:
24MHz
Connectivity:
UART/USART
Peripherals:
Brown-out Detect/Reset, POR, PWM
Number of I/O:
15
Program Memory Size:
4KB (4K x 8)
Program Memory Type:
FLASH
RAM Size:
256 x 8
Voltage – Supply (Vcc/Vdd):
2.7V ~ 5.5V
Oscillator Type:
Internal
Operating Temperature:
-40°C ~ 85°C (TA)
Mounting Type:
Surface Mount
Supplier Device Package:
20-SOIC
Package / Case:
20-SOIC (0.295″”, 7.50mm Width)
1,683
GET A
QUOTE
AT89S51-24AC
AT89S51-24ACMicrochip TechnologyIC MCU 8BIT 4KB FLASH 44TQFPMicrocontrollers44-TQFP (10x10)N/A0°C ~ 70°C (TA)
Core Processor:
8051
Core Size:
8-Bit
Speed:
24MHz
Connectivity:
UART/USART
Peripherals:
WDT
Number of I/O:
32
Program Memory Size:
4KB (4K x 8)
Program Memory Type:
FLASH
RAM Size:
128 x 8
Voltage – Supply (Vcc/Vdd):
4V ~ 5.5V
Oscillator Type:
Internal
Operating Temperature:
0°C ~ 70°C (TA)
Mounting Type:
Surface Mount
Supplier Device Package:
44-TQFP (10×10)
Package / Case:
44-TQFP
417
GET A
QUOTE
AT89S51-24AI
AT89S51-24AIMicrochip TechnologyIC MCU 8BIT 4KB FLASH 44TQFPMicrocontrollers44-TQFP (10x10)N/A-40°C ~ 85°C (TA)
Core Processor:
8051
Core Size:
8-Bit
Speed:
24MHz
Connectivity:
UART/USART
Peripherals:
WDT
Number of I/O:
32
Program Memory Size:
4KB (4K x 8)
Program Memory Type:
FLASH
RAM Size:
128 x 8
Voltage – Supply (Vcc/Vdd):
4V ~ 5.5V
Oscillator Type:
Internal
Operating Temperature:
-40°C ~ 85°C (TA)
Mounting Type:
Surface Mount
Supplier Device Package:
44-TQFP (10×10)
Package / Case:
44-TQFP
837
GET A
QUOTE
AT89S51-24AU
AT89S51-24AUMicrochip TechnologyIC MCU 8BIT 4KB FLASH 44TQFPMicrocontrollers44-TQFP (10x10)N/A-40°C ~ 85°C (TA)
Core Processor:
8051
Core Size:
8-Bit
Speed:
24MHz
Connectivity:
UART/USART
Peripherals:
WDT
Number of I/O:
32
Program Memory Size:
4KB (4K x 8)
Program Memory Type:
FLASH
RAM Size:
128 x 8
Voltage – Supply (Vcc/Vdd):
4V ~ 5.5V
Oscillator Type:
Internal
Operating Temperature:
-40°C ~ 85°C (TA)
Mounting Type:
Surface Mount
Supplier Device Package:
44-TQFP (10×10)
Package / Case:
44-TQFP
841
GET A
QUOTE
AT89S51-24JC
AT89S51-24JCMicrochip TechnologyIC MCU 8BIT 4KB FLASH 44PLCCMicrocontrollers44-PLCC (16.6x16.6)N/A0°C ~ 70°C (TA)
Core Processor:
8051
Core Size:
8-Bit
Speed:
24MHz
Connectivity:
UART/USART
Peripherals:
WDT
Number of I/O:
32
Program Memory Size:
4KB (4K x 8)
Program Memory Type:
FLASH
RAM Size:
128 x 8
Voltage – Supply (Vcc/Vdd):
4V ~ 5.5V
Oscillator Type:
Internal
Operating Temperature:
0°C ~ 70°C (TA)
Mounting Type:
Surface Mount
Supplier Device Package:
44-PLCC (16.6×16.6)
Package / Case:
44-LCC (J-Lead)
1,430
GET A
QUOTE
AT89S51-24JI
AT89S51-24JIMicrochip TechnologyIC MCU 8BIT 4KB FLASH 44PLCCMicrocontrollers44-PLCC (16.6x16.6)N/A-40°C ~ 85°C (TA)
Core Processor:
8051
Core Size:
8-Bit
Speed:
24MHz
Connectivity:
UART/USART
Peripherals:
WDT
Number of I/O:
32
Program Memory Size:
4KB (4K x 8)
Program Memory Type:
FLASH
RAM Size:
128 x 8
Voltage – Supply (Vcc/Vdd):
4V ~ 5.5V
Oscillator Type:
Internal
Operating Temperature:
-40°C ~ 85°C (TA)
Mounting Type:
Surface Mount
Supplier Device Package:
44-PLCC (16.6×16.6)
Package / Case:
44-LCC (J-Lead)
973
GET A
QUOTE
AT89S51-24JU
AT89S51-24JUMicrochip TechnologyIC MCU 8BIT 4KB FLASH 44PLCCMicrocontrollers44-PLCC (16.6x16.6)N/A-40°C ~ 85°C (TA)
Core Processor:
8051
Core Size:
8-Bit
Speed:
24MHz
Connectivity:
UART/USART
Peripherals:
WDT
Number of I/O:
32
Program Memory Size:
4KB (4K x 8)
Program Memory Type:
FLASH
RAM Size:
128 x 8
Voltage – Supply (Vcc/Vdd):
4V ~ 5.5V
Oscillator Type:
Internal
Operating Temperature:
-40°C ~ 85°C (TA)
Mounting Type:
Surface Mount
Supplier Device Package:
44-PLCC (16.6×16.6)
Package / Case:
44-LCC (J-Lead)
1,294
GET A
QUOTE
AT89S51-24PC
AT89S51-24PCMicrochip TechnologyIC MCU 8BIT 4KB FLASH 40DIPMicrocontrollers40-PDIPN/A0°C ~ 70°C (TA)
Core Processor:
8051
Core Size:
8-Bit
Speed:
24MHz
Connectivity:
UART/USART
Peripherals:
WDT
Number of I/O:
32
Program Memory Size:
4KB (4K x 8)
Program Memory Type:
FLASH
RAM Size:
128 x 8
Voltage – Supply (Vcc/Vdd):
4V ~ 5.5V
Oscillator Type:
Internal
Operating Temperature:
0°C ~ 70°C (TA)
Mounting Type:
Through Hole
Supplier Device Package:
40-PDIP
Package / Case:
40-DIP (0.600″”, 15.24mm)
588
GET A
QUOTE

We’ve Got You Covered!

If you can’t find the parts you’re looking for in our database, don’t worry! We’re here to help. Simply fill out the form below with the part number you need and your contact information, and we’ll locate it for you. If you prefer to speak to someone directly, our sales team is available at 949.783.7300.

























    I agree to receive newsletters and promotional emails. I can unsubscribe at any time.


    Global Sourcing Capabilities

    Tap into our global network of suppliers to find the components you need. We simplify procurement, even for hard-to-find parts, saving you time and ensuring smooth production.

    Second Sourcing  Second Sourcing Solutions

    Don’t let supply chain disruptions delay your project. We’ll help you identify alternative components and secure reliable secondary sources to keep your production on track.

    Obsolescence Management  Obsolescence Management

    Outsmart obsolescence and ensure your designs stay in production. We’ll help you navigate component lifecycles, secure long-term supply, and find smart alternatives when parts are discontinued.

    Shortage Mitigation  Shortage Mitigation

    Forget supply chain worries. Our team specializes in navigating the unpredictable component market, leveraging our global network and deep expertise to help you find the necessary components when you need them.

























      I agree to receive newsletters and promotional emails. I can unsubscribe at any time.


      keyboard_arrow_up