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
Suntsu Electronics Logo - suntsu.com
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: 76,308
ImageData
Sheet		Part NumberManufacturerDescriptionCategoryDevice PackageVoltageOperating
Temp		Additional SpecificationsQtyGet A
Quote
AT87C51RD2-3CSUM
AT87C51RD2-3CSUMMicrochip TechnologyIC MCU 8BIT 64KB OTP 40PDILMicrocontrollers40-PDILN/A-40°C ~ 85°C (TA)
Core Processor:
80C51
Core Size:
8-Bit
Speed:
40/20MHz
Connectivity:
UART/USART
Peripherals:
POR, PWM, WDT
Number of I/O:
32
Program Memory Size:
64KB (64K x 8)
Program Memory Type:
OTP
RAM Size:
1K x 8
Voltage – Supply (Vcc/Vdd):
4.5V ~ 5.5V
Oscillator Type:
Internal
Operating Temperature:
-40°C ~ 85°C (TA)
Mounting Type:
Through Hole
Supplier Device Package:
40-PDIL
Package / Case:
40-DIP (0.600″”, 15.24mm)
565
GET A
QUOTE
AT87C51RD2-RDTUM
AT87C51RD2-RDTUMMicrochip TechnologyIC MCU 8BIT 64KB OTP 64LQFPMicrocontrollers64-LQFP (10x10)N/A-40°C ~ 85°C (TA)
Core Processor:
80C51
Core Size:
8-Bit
Speed:
40/20MHz
Connectivity:
UART/USART
Peripherals:
POR, PWM, WDT
Number of I/O:
48
Program Memory Size:
64KB (64K x 8)
Program Memory Type:
OTP
RAM Size:
1K x 8
Voltage – Supply (Vcc/Vdd):
4.5V ~ 5.5V
Oscillator Type:
Internal
Operating Temperature:
-40°C ~ 85°C (TA)
Mounting Type:
Surface Mount
Supplier Device Package:
64-LQFP (10×10)
Package / Case:
64-LQFP
452
GET A
QUOTE
AT87C51RD2-RLTUL
AT87C51RD2-RLTULMicrochip TechnologyIC MCU 8BIT 64KB OTP 44VQFPMicrocontrollers44-VQFP (10x10)N/A-40°C ~ 85°C (TA)
Core Processor:
80C51
Core Size:
8-Bit
Speed:
30/20MHz
Connectivity:
UART/USART
Peripherals:
POR, PWM, WDT
Number of I/O:
32
Program Memory Size:
64KB (64K x 8)
Program Memory Type:
OTP
RAM Size:
1K 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:
44-VQFP (10×10)
Package / Case:
44-LQFP
758
GET A
QUOTE
AT87C51RD2-RLTUM
AT87C51RD2-RLTUMMicrochip TechnologyIC MCU 8BIT 64KB OTP 44VQFPMicrocontrollers44-VQFP (10x10)N/A-40°C ~ 85°C (TA)
Core Processor:
80C51
Core Size:
8-Bit
Speed:
40/20MHz
Connectivity:
UART/USART
Peripherals:
POR, PWM, WDT
Number of I/O:
32
Program Memory Size:
64KB (64K x 8)
Program Memory Type:
OTP
RAM Size:
1K x 8
Voltage – Supply (Vcc/Vdd):
4.5V ~ 5.5V
Oscillator Type:
Internal
Operating Temperature:
-40°C ~ 85°C (TA)
Mounting Type:
Surface Mount
Supplier Device Package:
44-VQFP (10×10)
Package / Case:
44-LQFP
706
GET A
QUOTE
AT87C51RD2-SLSUL
AT87C51RD2-SLSULMicrochip TechnologyIC MCU 8BIT 64KB OTP 44PLCCMicrocontrollers44-PLCC (16.6x16.6)N/A-40°C ~ 85°C (TA)
Core Processor:
80C51
Core Size:
8-Bit
Speed:
30/20MHz
Connectivity:
UART/USART
Peripherals:
POR, PWM, WDT
Number of I/O:
32
Program Memory Size:
64KB (64K x 8)
Program Memory Type:
OTP
RAM Size:
1K 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:
44-PLCC (16.6×16.6)
Package / Case:
44-LCC (J-Lead)
989
GET A
QUOTE
AT87C51RD2-SLSUM
AT87C51RD2-SLSUMMicrochip TechnologyIC MCU 8BIT 64KB OTP 44PLCCMicrocontrollers44-PLCC (16.6x16.6)N/A-40°C ~ 85°C (TA)
Core Processor:
80C51
Core Size:
8-Bit
Speed:
40/20MHz
Connectivity:
UART/USART
Peripherals:
POR, PWM, WDT
Number of I/O:
32
Program Memory Size:
64KB (64K x 8)
Program Memory Type:
OTP
RAM Size:
1K x 8
Voltage – Supply (Vcc/Vdd):
4.5V ~ 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)
1,056
GET A
QUOTE
AT87C52X2-3CSUL
AT87C52X2-3CSULMicrochip TechnologyIC MCU 8BIT 8KB OTP 40PDILMicrocontrollers40-PDILN/A-40°C ~ 85°C (TA)
Core Processor:
80C51
Core Size:
8-Bit
Speed:
30/20MHz
Connectivity:
UART/USART
Peripherals:
POR
Number of I/O:
32
Program Memory Size:
8KB (8K x 8)
Program Memory Type:
OTP
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:
40-PDIL
Package / Case:
40-DIP (0.600″”, 15.24mm)
626
GET A
QUOTE
AT87C52X2-3CSUM
AT87C52X2-3CSUMMicrochip TechnologyIC MCU 8BIT 8KB OTP 40PDILMicrocontrollers40-PDILN/A-40°C ~ 85°C (TA)
Core Processor:
80C51
Core Size:
8-Bit
Speed:
40/20MHz
Connectivity:
UART/USART
Peripherals:
POR
Number of I/O:
32
Program Memory Size:
8KB (8K x 8)
Program Memory Type:
OTP
RAM Size:
256 x 8
Voltage – Supply (Vcc/Vdd):
4.5V ~ 5.5V
Oscillator Type:
Internal
Operating Temperature:
-40°C ~ 85°C (TA)
Mounting Type:
Through Hole
Supplier Device Package:
40-PDIL
Package / Case:
40-DIP (0.600″”, 15.24mm)
859
GET A
QUOTE
AT87C52X2-RLTUL
AT87C52X2-RLTULMicrochip TechnologyIC MCU 8BIT 8KB OTP 44VQFPMicrocontrollers44-VQFP (10x10)N/A-40°C ~ 85°C (TA)
Core Processor:
80C51
Core Size:
8-Bit
Speed:
30/20MHz
Connectivity:
UART/USART
Peripherals:
POR
Number of I/O:
32
Program Memory Size:
8KB (8K x 8)
Program Memory Type:
OTP
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:
44-VQFP (10×10)
Package / Case:
44-LQFP
1,142
GET A
QUOTE
AT87C52X2-RLTUM
AT87C52X2-RLTUMMicrochip TechnologyIC MCU 8BIT 8KB OTP 44VQFPMicrocontrollers44-VQFP (10x10)N/A-40°C ~ 85°C (TA)
Core Processor:
80C51
Core Size:
8-Bit
Speed:
40/20MHz
Connectivity:
UART/USART
Peripherals:
POR
Number of I/O:
32
Program Memory Size:
8KB (8K x 8)
Program Memory Type:
OTP
RAM Size:
256 x 8
Voltage – Supply (Vcc/Vdd):
4.5V ~ 5.5V
Oscillator Type:
Internal
Operating Temperature:
-40°C ~ 85°C (TA)
Mounting Type:
Surface Mount
Supplier Device Package:
44-VQFP (10×10)
Package / Case:
44-LQFP
349
GET A
QUOTE
AT87C52X2-SLSUL
AT87C52X2-SLSULMicrochip TechnologyIC MCU 8BIT 8KB OTP 44PLCCMicrocontrollers44-PLCC (16.6x16.6)N/A-40°C ~ 85°C (TA)
Core Processor:
80C51
Core Size:
8-Bit
Speed:
30/20MHz
Connectivity:
UART/USART
Peripherals:
POR
Number of I/O:
32
Program Memory Size:
8KB (8K x 8)
Program Memory Type:
OTP
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:
44-PLCC (16.6×16.6)
Package / Case:
44-LCC (J-Lead)
1,480
GET A
QUOTE
AT87C52X2-SLSUM
AT87C52X2-SLSUMMicrochip TechnologyIC MCU 8BIT 8KB OTP 44PLCCMicrocontrollers44-PLCC (16.6x16.6)N/A-40°C ~ 85°C (TA)
Core Processor:
80C51
Core Size:
8-Bit
Speed:
40/20MHz
Connectivity:
UART/USART
Peripherals:
POR
Number of I/O:
32
Program Memory Size:
8KB (8K x 8)
Program Memory Type:
OTP
RAM Size:
256 x 8
Voltage – Supply (Vcc/Vdd):
4.5V ~ 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)
901
GET A
QUOTE
AT87C54X2-3CSUL
AT87C54X2-3CSULMicrochip TechnologyIC MCU 8BIT 16KB OTP 40PDILMicrocontrollers40-PDILN/A-40°C ~ 85°C (TA)
Core Processor:
80C51
Core Size:
8-Bit
Speed:
30/20MHz
Connectivity:
UART/USART
Peripherals:
POR, WDT
Number of I/O:
32
Program Memory Size:
16KB (16K x 8)
Program Memory Type:
OTP
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:
40-PDIL
Package / Case:
40-DIP (0.600″”, 15.24mm)
102
GET A
QUOTE
AT87C54X2-3CSUM
AT87C54X2-3CSUMMicrochip TechnologyIC MCU 8BIT 16KB OTP 40PDILMicrocontrollers40-PDILN/A-40°C ~ 85°C (TA)
Core Processor:
80C51
Core Size:
8-Bit
Speed:
40/20MHz
Connectivity:
UART/USART
Peripherals:
POR, WDT
Number of I/O:
32
Program Memory Size:
16KB (16K x 8)
Program Memory Type:
OTP
RAM Size:
256 x 8
Voltage – Supply (Vcc/Vdd):
4.5V ~ 5.5V
Oscillator Type:
Internal
Operating Temperature:
-40°C ~ 85°C (TA)
Mounting Type:
Through Hole
Supplier Device Package:
40-PDIL
Package / Case:
40-DIP (0.600″”, 15.24mm)
1,243
GET A
QUOTE
AT87C54X2-RLTUL
AT87C54X2-RLTULMicrochip TechnologyIC MCU 8BIT 16KB OTP 44VQFPMicrocontrollers44-VQFP (10x10)N/A-40°C ~ 85°C (TA)
Core Processor:
80C51
Core Size:
8-Bit
Speed:
30/20MHz
Connectivity:
UART/USART
Peripherals:
POR, WDT
Number of I/O:
32
Program Memory Size:
16KB (16K x 8)
Program Memory Type:
OTP
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:
44-VQFP (10×10)
Package / Case:
44-LQFP
974
GET A
QUOTE
AT87C54X2-RLTUM
AT87C54X2-RLTUMMicrochip TechnologyIC MCU 8BIT 16KB OTP 44VQFPMicrocontrollers44-VQFP (10x10)N/A-40°C ~ 85°C (TA)
Core Processor:
80C51
Core Size:
8-Bit
Speed:
40/20MHz
Connectivity:
UART/USART
Peripherals:
POR, WDT
Number of I/O:
32
Program Memory Size:
16KB (16K x 8)
Program Memory Type:
OTP
RAM Size:
256 x 8
Voltage – Supply (Vcc/Vdd):
4.5V ~ 5.5V
Oscillator Type:
Internal
Operating Temperature:
-40°C ~ 85°C (TA)
Mounting Type:
Surface Mount
Supplier Device Package:
44-VQFP (10×10)
Package / Case:
44-LQFP
1,297
GET A
QUOTE
AT87C54X2-SLRUM
AT87C54X2-SLRUMMicrochip TechnologyIC MCU 8BIT 16KB OTP 44PLCCMicrocontrollers44-PLCC (16.6x16.6)N/A-40°C ~ 85°C (TA)
Core Processor:
80C51
Core Size:
8-Bit
Speed:
40/20MHz
Connectivity:
UART/USART
Peripherals:
POR, WDT
Number of I/O:
32
Program Memory Size:
16KB (16K x 8)
Program Memory Type:
OTP
RAM Size:
256 x 8
Voltage – Supply (Vcc/Vdd):
4.5V ~ 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)
635
GET A
QUOTE
AT87C54X2-SLSUL
AT87C54X2-SLSULMicrochip TechnologyIC MCU 8BIT 16KB OTP 44PLCCMicrocontrollers44-PLCC (16.6x16.6)N/A-40°C ~ 85°C (TA)
Core Processor:
80C51
Core Size:
8-Bit
Speed:
30/20MHz
Connectivity:
UART/USART
Peripherals:
POR, WDT
Number of I/O:
32
Program Memory Size:
16KB (16K x 8)
Program Memory Type:
OTP
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:
44-PLCC (16.6×16.6)
Package / Case:
44-LCC (J-Lead)
1,156
GET A
QUOTE
AT87C54X2-SLSUM
AT87C54X2-SLSUMMicrochip TechnologyIC MCU 8BIT 16KB OTP 44PLCCMicrocontrollers44-PLCC (16.6x16.6)N/A-40°C ~ 85°C (TA)
Core Processor:
80C51
Core Size:
8-Bit
Speed:
40/20MHz
Connectivity:
UART/USART
Peripherals:
POR, WDT
Number of I/O:
32
Program Memory Size:
16KB (16K x 8)
Program Memory Type:
OTP
RAM Size:
256 x 8
Voltage – Supply (Vcc/Vdd):
4.5V ~ 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)
455
GET A
QUOTE
AT87C58X2-3CSUL
AT87C58X2-3CSULMicrochip TechnologyIC MCU 8BIT 32KB OTP 40PDILMicrocontrollers40-PDILN/A-40°C ~ 85°C (TA)
Core Processor:
80C51
Core Size:
8-Bit
Speed:
30/20MHz
Connectivity:
UART/USART
Peripherals:
POR, WDT
Number of I/O:
32
Program Memory Size:
32KB (32K x 8)
Program Memory Type:
OTP
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:
40-PDIL
Package / Case:
40-DIP (0.600″”, 15.24mm)
359
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