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: 76,308
ImageData
Sheet		Part NumberManufacturerDescriptionCategoryDevice PackageVoltageOperating
Temp		Additional SpecificationsQtyGet A
Quote
EFM8UB31F40G-A-QFN24R
EFM8UB31F40G-A-QFN24RSilicon LabsIC MCU 8BIT 40KB FLASH 24QFNMicrocontrollers24-QFN (4x4)N/A-40°C ~ 85°C (TA)
Core Processor:
CIP-51 8051
Core Size:
8-Bit
Speed:
48MHz
Connectivity:
I2C, SMBus, SPI, UART/USART, USB
Peripherals:
Brown-out Detect/Reset, POR, PWM, WDT
Number of I/O:
17
Program Memory Size:
40KB (40K x 8)
Program Memory Type:
FLASH
RAM Size:
3.25K x 8
Voltage – Supply (Vcc/Vdd):
1.71V ~ 5.5V
Data Converters:
A/D 16x12b
Oscillator Type:
Internal
Operating Temperature:
-40°C ~ 85°C (TA)
Mounting Type:
Surface Mount
Supplier Device Package:
24-QFN (4×4)
Package / Case:
24-WFQFN Exposed Pad
1,677
GET A
QUOTE
EFM8UB31F40G-A-QSOP24
EFM8UB31F40G-A-QSOP24Silicon LabsIC MCU 8BIT 40KB FLASH 24QSOPMicrocontrollers24-QSOPN/A-40°C ~ 85°C (TA)
Core Processor:
CIP-51 8051
Core Size:
8-Bit
Speed:
48MHz
Connectivity:
I2C, SMBus, SPI, UART/USART, USB
Peripherals:
Brown-out Detect/Reset, POR, PWM, WDT
Number of I/O:
17
Program Memory Size:
40KB (40K x 8)
Program Memory Type:
FLASH
RAM Size:
3.25K x 8
Voltage – Supply (Vcc/Vdd):
1.71V ~ 5.5V
Data Converters:
A/D 16x12b
Oscillator Type:
Internal
Operating Temperature:
-40°C ~ 85°C (TA)
Mounting Type:
Surface Mount
Supplier Device Package:
24-QSOP
Package / Case:
24-SSOP (0.154″”, 3.90mm Width)
35
GET A
QUOTE
EFM8UB31F40G-A-QSOP24R
EFM8UB31F40G-A-QSOP24RSilicon LabsIC MCU 8BIT 40KB FLASH 24QSOPMicrocontrollers24-QSOPN/A-40°C ~ 85°C (TA)
Core Processor:
CIP-51 8051
Core Size:
8-Bit
Speed:
48MHz
Connectivity:
I2C, SMBus, SPI, UART/USART, USB
Peripherals:
Brown-out Detect/Reset, POR, PWM, WDT
Number of I/O:
17
Program Memory Size:
40KB (40K x 8)
Program Memory Type:
FLASH
RAM Size:
3.25K x 8
Voltage – Supply (Vcc/Vdd):
1.71V ~ 5.5V
Data Converters:
A/D 16x12b
Oscillator Type:
Internal
Operating Temperature:
-40°C ~ 85°C (TA)
Mounting Type:
Surface Mount
Supplier Device Package:
24-QSOP
Package / Case:
24-SSOP (0.154″”, 3.90mm Width)
488
GET A
QUOTE
ELANSC300-25KI
ELANSC300-25KIAdvanced Micro DevicesIC MCU 32BIT ROMLESS 208PQFPMicrocontrollers208-PQFP (28x28)3V - 5.5V-40°C – 85°C
Core Processor:
Am386®SXLV
Core Size:
32-Bit Single-Core
Speed:
25MHz
Mounting Type:
Surface Mount
1,802
GET A
QUOTE
ELANSC300-33VC
ELANSC300-33VCAdvanced Micro DevicesIC MCU 32BIT ROMLESS 208TQFPMicrocontrollers208-TQFP (28x28)3V - 5.5V0°C – 70°C
Core Processor:
Am386®SXLV
Core Size:
32-Bit Single-Core
Speed:
33MHz
Mounting Type:
Surface Mount
335
GET A
QUOTE
ELANSC310-25VC
ELANSC310-25VCAdvanced Micro DevicesIC MCU 32BIT ROMLESS 208TQFPMicrocontrollers208-TQFP (28x28)3V - 5.5V0°C – 70°C
Core Processor:
Am386®SXLV
Core Size:
32-Bit Single-Core
Speed:
25MHz
Mounting Type:
Surface Mount
1,174
GET A
QUOTE
ELANSC310-33KI
ELANSC310-33KIAdvanced Micro DevicesIC MCU 32BIT ROMLESS 208PQFPMicrocontrollers208-PQFP (28x28)3V - 5.5V-40°C – 85°C
Core Processor:
Am386®SXLV
Core Size:
32-Bit Single-Core
Speed:
33MHz
Mounting Type:
Surface Mount
935
GET A
QUOTE
EM773FHN33,551
EM773FHN33,551NXP SemiconductorsIC MCU 32BIT 32KB FLASH 32HVQFNMicrocontrollers32-HVQFN (7x7)N/A-40°C ~ 85°C (TA)
Core Processor:
ARM® Cortex®-M0
Core Size:
32-Bit Single-Core
Speed:
48MHz
Connectivity:
I2C, SPI, UART/USART
Peripherals:
Brown-out Detect/Reset, POR, WDT
Number of I/O:
25
Program Memory Size:
32KB (32K x 8)
Program Memory Type:
FLASH
RAM Size:
8K x 8
Voltage – Supply (Vcc/Vdd):
1.8V ~ 3.6V
Oscillator Type:
Internal
Operating Temperature:
-40°C ~ 85°C (TA)
Mounting Type:
Surface Mount
Supplier Device Package:
32-HVQFN (7×7)
Package / Case:
32-VQFN Exposed Pad
249
GET A
QUOTE
EZ80F91AZ050EC
EZ80F91AZ050ECZilogIC MCU 8BIT 256KB FLASH 144LQFPMicrocontrollers144-LQFP (20x20)N/A-40°C ~ 105°C (TA)
Core Processor:
eZ80
Core Size:
8-Bit
Speed:
50MHz
Connectivity:
Ethernet, I2C, IrDA, SPI, UART/USART
Peripherals:
Brown-out Detect/Reset, POR, PWM, WDT
Number of I/O:
32
Program Memory Size:
256KB (256K x 8)
Program Memory Type:
FLASH
RAM Size:
16K x 8
Voltage – Supply (Vcc/Vdd):
3V ~ 3.6V
Oscillator Type:
Internal
Operating Temperature:
-40°C ~ 105°C (TA)
Mounting Type:
Surface Mount
Supplier Device Package:
144-LQFP (20×20)
Package / Case:
144-LQFP
340
GET A
QUOTE
EZ80F91AZ050EG
EZ80F91AZ050EGZilogIC MCU 8BIT 256KB FLASH 144LQFPMicrocontrollers144-LQFP (20x20)N/A-40°C ~ 105°C (TA)
Core Processor:
eZ80
Core Size:
8-Bit
Speed:
50MHz
Connectivity:
Ethernet, I2C, IrDA, SPI, UART/USART
Peripherals:
Brown-out Detect/Reset, POR, PWM, WDT
Number of I/O:
32
Program Memory Size:
256KB (256K x 8)
Program Memory Type:
FLASH
RAM Size:
16K x 8
Voltage – Supply (Vcc/Vdd):
3V ~ 3.6V
Oscillator Type:
Internal
Operating Temperature:
-40°C ~ 105°C (TA)
Mounting Type:
Surface Mount
Supplier Device Package:
144-LQFP (20×20)
Package / Case:
144-LQFP
93
GET A
QUOTE
EZ80F91AZ050EK
EZ80F91AZ050EKZilogIC MCU 8BIT 256KB FLASH 144LQFPMicrocontrollers144-LQFP (20x20)3V - 3.6V-40°C – 105°C
Core Processor:
eZ80
Core Size:
8-Bit
Speed:
50MHz
Program Memory Size:
256KB (256K x 8)
Mounting Type:
Surface Mount
632
GET A
QUOTE
EZ80F91AZ050SC
EZ80F91AZ050SCZilogIC MCU 8BIT 256KB FLASH 144LQFPMicrocontrollers144-LQFP (20x20)N/A0°C ~ 70°C (TA)
Core Processor:
eZ80
Core Size:
8-Bit
Speed:
50MHz
Connectivity:
Ethernet, I2C, IrDA, SPI, UART/USART
Peripherals:
Brown-out Detect/Reset, POR, PWM, WDT
Number of I/O:
32
Program Memory Size:
256KB (256K x 8)
Program Memory Type:
FLASH
RAM Size:
16K x 8
Voltage – Supply (Vcc/Vdd):
3V ~ 3.6V
Oscillator Type:
Internal
Operating Temperature:
0°C ~ 70°C (TA)
Mounting Type:
Surface Mount
Supplier Device Package:
144-LQFP (20×20)
Package / Case:
144-LQFP
1,237
GET A
QUOTE
EZ80F91AZ050SG
EZ80F91AZ050SGZilogIC MCU 8BIT 256KB FLASH 144LQFPMicrocontrollers144-LQFP (20x20)N/A0°C ~ 70°C (TA)
Core Processor:
eZ80
Core Size:
8-Bit
Speed:
50MHz
Connectivity:
Ethernet, I2C, IrDA, SPI, UART/USART
Peripherals:
Brown-out Detect/Reset, POR, PWM, WDT
Number of I/O:
32
Program Memory Size:
256KB (256K x 8)
Program Memory Type:
FLASH
RAM Size:
16K x 8
Voltage – Supply (Vcc/Vdd):
3V ~ 3.6V
Oscillator Type:
Internal
Operating Temperature:
0°C ~ 70°C (TA)
Mounting Type:
Surface Mount
Supplier Device Package:
144-LQFP (20×20)
Package / Case:
144-LQFP
708
GET A
QUOTE
EZ80F91AZ050SK
EZ80F91AZ050SKZilogIC MCU 8BIT 256KB FLASH 144LQFPMicrocontrollers144-LQFP (20x20)N/A0°C ~ 70°C (TA)
Core Processor:
eZ80
Core Size:
8-Bit
Speed:
50MHz
Connectivity:
Ethernet, I2C, IrDA, SPI, UART/USART
Peripherals:
Brown-out Detect/Reset, POR, PWM, WDT
Number of I/O:
32
Program Memory Size:
256KB (256K x 8)
Program Memory Type:
FLASH
RAM Size:
16K x 8
Voltage – Supply (Vcc/Vdd):
3V ~ 3.6V
Oscillator Type:
Internal
Operating Temperature:
0°C ~ 70°C (TA)
Mounting Type:
Surface Mount
Supplier Device Package:
144-LQFP (20×20)
Package / Case:
144-LQFP
678
GET A
QUOTE
EZ80F91AZA050EGN/AEZ80F91AZA050EGZilogIC MCU 8BIT 256KB FLASH 144LQFPMicrocontrollers144-LQFP (20x20)N/A-40°C ~ 105°C (TA)
Core Processor:
eZ80
Core Size:
8-Bit
Speed:
50MHz
Connectivity:
Ethernet, I2C, IrDA, SPI, UART/USART
Peripherals:
Brown-out Detect/Reset, POR, PWM, WDT
Number of I/O:
32
Program Memory Size:
256KB (256K x 8)
Program Memory Type:
FLASH
RAM Size:
16K x 8
Voltage – Supply (Vcc/Vdd):
3V ~ 3.6V
Oscillator Type:
Internal
Operating Temperature:
-40°C ~ 105°C (TA)
Mounting Type:
Surface Mount
Supplier Device Package:
144-LQFP (20×20)
Package / Case:
144-LQFP
1,155
GET A
QUOTE
EZ80F91AZA050SGN/AEZ80F91AZA050SGZilogIC MCU 8BIT 256KB FLASH 144LQFPMicrocontrollers144-LQFP (20x20)N/A0°C ~ 70°C (TA)
Core Processor:
eZ80
Core Size:
8-Bit
Speed:
50MHz
Connectivity:
Ethernet, I2C, IrDA, SPI, UART/USART
Peripherals:
Brown-out Detect/Reset, POR, PWM, WDT
Number of I/O:
32
Program Memory Size:
256KB (256K x 8)
Program Memory Type:
FLASH
RAM Size:
16K x 8
Voltage – Supply (Vcc/Vdd):
3V ~ 3.6V
Oscillator Type:
Internal
Operating Temperature:
0°C ~ 70°C (TA)
Mounting Type:
Surface Mount
Supplier Device Package:
144-LQFP (20×20)
Package / Case:
144-LQFP
1,564
GET A
QUOTE
EZ80F91AZA50EG
EZ80F91AZA50EGZilogIC MCU 8BIT 256KB FLASH 144LQFPMicrocontrollers144-LQFP (20x20)N/A-40°C ~ 105°C (TA)
Core Processor:
eZ80
Core Size:
8-Bit
Speed:
50MHz
Connectivity:
Ethernet, I2C, IrDA, SPI, UART/USART
Peripherals:
Brown-out Detect/Reset, POR, PWM, WDT
Number of I/O:
32
Program Memory Size:
256KB (256K x 8)
Program Memory Type:
FLASH
RAM Size:
16K x 8
Voltage – Supply (Vcc/Vdd):
3V ~ 3.6V
Oscillator Type:
Internal
Operating Temperature:
-40°C ~ 105°C (TA)
Mounting Type:
Surface Mount
Supplier Device Package:
144-LQFP (20×20)
Package / Case:
144-LQFP
186
GET A
QUOTE
EZ80F91AZA50EK
EZ80F91AZA50EKZilogIC MCU 8BIT 256KB FLASH 144LQFPMicrocontrollers144-LQFP (20x20)3V - 3.6V-40°C – 105°C
Core Processor:
eZ80
Core Size:
8-Bit
Speed:
50MHz
Program Memory Size:
256KB (256K x 8)
Mounting Type:
Surface Mount
1,507
GET A
QUOTE
EZ80F91AZA50SG
EZ80F91AZA50SGZilogIC MCU 8BIT 256KB FLASH 144LQFPMicrocontrollers144-LQFP (20x20)N/A0°C ~ 70°C (TA)
Core Processor:
eZ80
Core Size:
8-Bit
Speed:
50MHz
Connectivity:
Ethernet, I2C, IrDA, SPI, UART/USART
Peripherals:
Brown-out Detect/Reset, POR, PWM, WDT
Number of I/O:
32
Program Memory Size:
256KB (256K x 8)
Program Memory Type:
FLASH
RAM Size:
16K x 8
Voltage – Supply (Vcc/Vdd):
3V ~ 3.6V
Oscillator Type:
Internal
Operating Temperature:
0°C ~ 70°C (TA)
Mounting Type:
Surface Mount
Supplier Device Package:
144-LQFP (20×20)
Package / Case:
144-LQFP
273
GET A
QUOTE
EZ80F91AZA50SKN/AEZ80F91AZA50SKZilogIC MCU 8BIT 256KB FLASH 144LQFPMicrocontrollers144-LQFP (20x20)N/A0°C ~ 70°C (TA)
Core Processor:
eZ80
Core Size:
8-Bit
Speed:
50MHz
Connectivity:
Ethernet, I2C, IrDA, SPI, UART/USART
Peripherals:
Brown-out Detect/Reset, POR, PWM, WDT
Number of I/O:
32
Program Memory Size:
256KB (256K x 8)
Program Memory Type:
FLASH
RAM Size:
8K x 8
Voltage – Supply (Vcc/Vdd):
3V ~ 3.6V
Oscillator Type:
Internal
Operating Temperature:
0°C ~ 70°C (TA)
Mounting Type:
Surface Mount
Supplier Device Package:
144-LQFP (20×20)
Package / Case:
144-LQFP
508
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