Microcontrollori a 8 bit - MCU Multi-Voltage I/O Analog Signal Conditioning
AVR128DB48T-I/PT
Microchip Technology
1:
1,91 €
6.166 A magazzino
Codice Mouser
579-AVR128DB48T-I/PT
Microchip Technology
Microcontrollori a 8 bit - MCU Multi-Voltage I/O Analog Signal Conditioning
6.166 A magazzino
Confezione alternativa
1
1,91 €
25
1,86 €
100
1,74 €
500
1,67 €
1.600
1,62 €
4.800
Visualizza
1.000
1,62 €
4.800
1,60 €
9.600
Offerta
Acquista
Min: 1
Mult.: 1
Nastrati :
1.600
Dettagli
AVR
128 kB
16 kB
TQFP-48
24 MHz
12 bit
41 I/O
1.8 V
5.5 V
SMD/SMT
8 bit
- 40 C
+ 85 C
AVR128DB28/32/48/64
Reel, Cut Tape, MouseReel
Microcontrollori a 8 bit - MCU 32KB, 4KB RAM, 32p, 24MHz, 3xOPAMP, MVIO, 12b ADC, 3xZCD, DAC, UART, 2xSPI, TWI
+1 immagine
AVR32DB32-I/PT
Microchip Technology
1:
1,34 €
1.978 A magazzino
Codice Mouser
579-AVR32DB32-I/PT
Microchip Technology
Microcontrollori a 8 bit - MCU 32KB, 4KB RAM, 32p, 24MHz, 3xOPAMP, MVIO, 12b ADC, 3xZCD, DAC, UART, 2xSPI, TWI
1.978 A magazzino
Confezione alternativa
1
1,34 €
25
1,20 €
100
1,11 €
Acquista
Min: 1
Mult.: 1
Dettagli
AVR
32 kB
4 kB
TQFP-32
24 MHz
12 bit
26 I/O
1.8 V
5.5 V
SMD/SMT
8 bit
- 40 C
+ 85 C
AVR32DB28/32/48
Tray
Microcontrollori a 8 bit - MCU 32KB, 4KB RAM, 32p, 24MHz, 3xOPAMP, MVIO, 12b ADC, 3xZCD, DAC, UART, 2xSPI, TWI
AVR32DB32T-I/RXB
Microchip Technology
1:
1,35 €
7.858 A magazzino
Codice Mouser
579-AVR32DB32T-I/RXB
Microchip Technology
Microcontrollori a 8 bit - MCU 32KB, 4KB RAM, 32p, 24MHz, 3xOPAMP, MVIO, 12b ADC, 3xZCD, DAC, UART, 2xSPI, TWI
7.858 A magazzino
Confezione alternativa
1
1,35 €
25
1,32 €
100
1,26 €
1.000
1,23 €
5.000
1,16 €
10.000
1,13 €
Acquista
Min: 1
Mult.: 1
Nastrati :
5.000
Dettagli
AVR
32 kB
4 kB
VQFN-32
24 MHz
12 bit
26 I/O
1.8 V
5.5 V
SMD/SMT
8 bit
- 40 C
+ 85 C
AVR32DB28/32/48
Reel, Cut Tape
Microcontrollori a 8 bit - MCU 32KB, 4KB RAM, 48p, 24MHz, 3xOPAMP, MVIO, 12b ADC, 3xZCD, DAC, UART, 2xSPI, TWI
AVR32DB48-I/PT
Microchip Technology
1:
1,57 €
3.574 A magazzino
Codice Mouser
579-AVR32DB48-I/PT
Microchip Technology
Microcontrollori a 8 bit - MCU 32KB, 4KB RAM, 48p, 24MHz, 3xOPAMP, MVIO, 12b ADC, 3xZCD, DAC, UART, 2xSPI, TWI
3.574 A magazzino
Confezione alternativa
1
1,57 €
10
1,53 €
25
1,48 €
100
1,38 €
250
Visualizza
250
1,37 €
5.000
1,31 €
Acquista
Min: 1
Mult.: 1
Dettagli
AVR
32 kB
4 kB
TQFP-48
24 MHz
12 bit
41 I/O
1.8 V
5.5 V
SMD/SMT
8 bit
- 40 C
+ 85 C
AVR32DB28/32/48
Tray
Microcontrollori a 8 bit - MCU 28KB, 2KB RAM, 4xPWMs, Comparator, DAC, ADC, CWG, 4xCLC, 2 EUSART, SPI/I2C
PIC16F15376-I/MV
Microchip Technology
1:
1,48 €
2.296 A magazzino
Codice Mouser
579-PIC16F15376-I/MV
Microchip Technology
Microcontrollori a 8 bit - MCU 28KB, 2KB RAM, 4xPWMs, Comparator, DAC, ADC, CWG, 4xCLC, 2 EUSART, SPI/I2C
2.296 A magazzino
Confezione alternativa
1
1,48 €
25
1,36 €
73
1,23 €
Acquista
Min: 1
Mult.: 1
Dettagli
PIC16
28 kB
2 kB
UQFN-40
32 MHz
10 bit
36 I/O
2.3 V
5.5 V
SMD/SMT
8 bit
- 40 C
+ 85 C
PIC16(L)F153xx
AEC-Q100
Tube
Microcontrollori a 8 bit - MCU 8 Bit MCU 14KB Flash 1KB RAM ADC I2C/SPI
PIC16F1716T-I/ML
Microchip Technology
1:
1,57 €
1.270 A magazzino
Codice Mouser
579-PIC16F1716T-I/ML
Microchip Technology
Microcontrollori a 8 bit - MCU 8 Bit MCU 14KB Flash 1KB RAM ADC I2C/SPI
1.270 A magazzino
Confezione alternativa
1
1,57 €
25
1,56 €
100
1,47 €
250
1,46 €
1.600
1,34 €
4.800
Visualizza
1.000
1,34 €
4.800
1,31 €
Acquista
Min: 1
Mult.: 1
Nastrati :
1.600
Dettagli
PIC16
14 kB
1 kB
QFN-28
32 MHz
10 bit
25 I/O
2.3 V
5.5 V
SMD/SMT
8 bit
- 40 C
+ 85 C
PIC16(L)F170X/171X
AEC-Q100
Reel, Cut Tape
Microcontrollori a 8 bit - MCU 8 Bit MCU 28KB Flash 2KB RAM ADC I2C/SPI
PIC16F1718-E/SO
Microchip Technology
1:
1,81 €
1.506 A magazzino
Codice Mouser
579-PIC16F1718-E/SO
Microchip Technology
Microcontrollori a 8 bit - MCU 8 Bit MCU 28KB Flash 2KB RAM ADC I2C/SPI
1.506 A magazzino
1
1,81 €
10
1,68 €
27
1,51 €
Acquista
Min: 1
Mult.: 1
Dettagli
PIC16
28 kB
2 kB
SOIC-28
32 MHz
10 bit
25 I/O
2.3 V
5.5 V
SMD/SMT
8 bit
- 40 C
+ 125 C
PIC16(L)F170X/171X
AEC-Q100
Tube
Microcontrollori a 8 bit - MCU 64KB Flash, 4KB RAM, 256B EEPROM, 10-bit ADC2, 5-bit DAC, Comp, PWM, CCP, CWG, HLT, WWDT, SCAN/CRC, ZCD, PPS, EUSART, SPI/I2C, IDLE/DOZE/PMD
PIC18F26K40-I/ML
Microchip Technology
1:
1,55 €
3.475 A magazzino
Codice Mouser
579-PIC18F26K40-I/ML
Microchip Technology
Microcontrollori a 8 bit - MCU 64KB Flash, 4KB RAM, 256B EEPROM, 10-bit ADC2, 5-bit DAC, Comp, PWM, CCP, CWG, HLT, WWDT, SCAN/CRC, ZCD, PPS, EUSART, SPI/I2C, IDLE/DOZE/PMD
3.475 A magazzino
Confezione alternativa
1
1,55 €
25
1,41 €
100
1,28 €
Acquista
Min: 1
Mult.: 1
Dettagli
PIC18
64 kB
3.53 kB
QFN-28
64 MHz
10 bit
25 I/O
2.3 V
5.5 V
SMD/SMT
8 bit
- 40 C
+ 85 C
PIC18(L)F26K40
AEC-Q100
Tube
Microcontrollori a 8 bit - MCU 64KB, 8KB RAM, 48p, 24MHz, 3xOPAMP, MVIO, 12b ADC, 3xZCD, DAC, UART, 2xSPI, TWI
AVR64DB48T-I/PT
Microchip Technology
1:
1,76 €
3.048 A magazzino
Codice Mouser
579-AVR64DB48T-I/PT
Microchip Technology
Microcontrollori a 8 bit - MCU 64KB, 8KB RAM, 48p, 24MHz, 3xOPAMP, MVIO, 12b ADC, 3xZCD, DAC, UART, 2xSPI, TWI
3.048 A magazzino
Confezione alternativa
1
1,76 €
25
1,73 €
100
1,65 €
500
1,62 €
1.600
1,50 €
4.800
Visualizza
1.000
1,50 €
4.800
1,47 €
Acquista
Min: 1
Mult.: 1
Nastrati :
1.600
Dettagli
AVR
64 kB
8 kB
TQFP-48
24 MHz
12 bit
41 I/O
1.8 V
5.5 V
SMD/SMT
8 bit
- 40 C
+ 85 C
AVR64DB28/32/48/64
Reel, Cut Tape
Microcontrollori a 8 bit - MCU 7KB, 512B RAM, 4xPWMs, Comparator, DAC, ADC, 4xCLC, CWG, 2xEUSART, SPI/I2C
PIC16F15324T-I/JQ
Microchip Technology
1:
0,903 €
3.101 A magazzino
Codice Mouser
579-PIC16F15324TI/JQ
Microchip Technology
Microcontrollori a 8 bit - MCU 7KB, 512B RAM, 4xPWMs, Comparator, DAC, ADC, 4xCLC, CWG, 2xEUSART, SPI/I2C
3.101 A magazzino
Confezione alternativa
1
0,903 €
25
0,886 €
3.300
0,757 €
Acquista
Min: 1
Mult.: 1
Nastrati :
3.300
Dettagli
PIC16
7 kB
512 B
UQFN-16
32 MHz
10 bit
12 I/O
2.3 V
5.5 V
SMD/SMT
8 bit
- 40 C
+ 85 C
PIC16(L)F153xx
AEC-Q100
Reel, Cut Tape
Microcontrollori a 8 bit - MCU 14KB, 1KB RAM, 4xPWMs, Comparator, DAC, ADC, CWG, 4xCLC, 2 EUSART, SPI/I2C
PIC16F15345-E/SO
Microchip Technology
1:
1,23 €
2.610 A magazzino
Codice Mouser
579-PIC16F15345-E/SO
Microchip Technology
Microcontrollori a 8 bit - MCU 14KB, 1KB RAM, 4xPWMs, Comparator, DAC, ADC, CWG, 4xCLC, 2 EUSART, SPI/I2C
2.610 A magazzino
Acquista
Min: 1
Mult.: 1
Dettagli
PIC16
14 kB
1 kB
SOIC-20
32 MHz
10 bit
18 I/O
2.3 V
5.5 V
SMD/SMT
8 bit
- 40 C
+ 125 C
PIC16(L)F153xx
AEC-Q100
Tube
Microcontrollori a 8 bit - MCU 28KB, 2KB RAM, 4xPWMs, Comparator, DAC, ADC, CWG, 2 EUSART, SPI/I2C
PIC16LF15376-I/PT
Microchip Technology
1:
1,51 €
1.301 A magazzino
Codice Mouser
579-PIC16LF15376I/PT
Microchip Technology
Microcontrollori a 8 bit - MCU 28KB, 2KB RAM, 4xPWMs, Comparator, DAC, ADC, CWG, 2 EUSART, SPI/I2C
1.301 A magazzino
Confezione alternativa
1
1,51 €
25
1,38 €
100
1,26 €
250
1,25 €
Acquista
Min: 1
Mult.: 1
Dettagli
PIC16
28 kB
2 kB
TQFP-44
32 MHz
10 bit
36 I/O
1.8 V
3.6 V
SMD/SMT
8 bit
- 40 C
+ 85 C
PIC16(L)F153xx
Tray
Microcontrollori a 8 bit - MCU 64KB Flash, 4KB RAM, 256B EEPROM, 10-bit ADC2, 5-bit DAC, Comp, PWM, CCP, CWG, HLT, WWDT, SCAN/CRC,ZCD, PPS, EUSART, SPI/I2C, IDLE/DOZE/PMD
PIC18F26K40-E/ML
Microchip Technology
1:
1,63 €
6.373 A magazzino
Codice Mouser
579-PIC18F26K40-E/ML
Microchip Technology
Microcontrollori a 8 bit - MCU 64KB Flash, 4KB RAM, 256B EEPROM, 10-bit ADC2, 5-bit DAC, Comp, PWM, CCP, CWG, HLT, WWDT, SCAN/CRC,ZCD, PPS, EUSART, SPI/I2C, IDLE/DOZE/PMD
6.373 A magazzino
1
1,63 €
25
1,44 €
100
1,35 €
Acquista
Min: 1
Mult.: 1
Dettagli
PIC18
64 kB
3.53 kB
QFN-28
64 MHz
10 bit
25 I/O
2.3 V
5.5 V
SMD/SMT
8 bit
- 40 C
+ 125 C
PIC18(L)F26K40
AEC-Q100
Tube
Microcontrollori a 8 bit - MCU 64KB, 8KB RAM, 64p, 24MHz, 3xOPAMP, MVIO, 12b ADC, 3xZCD, DAC, UART, 2xSPI, TWI
AVR64DB64T-E/MR
Microchip Technology
1:
2,05 €
8.020 A magazzino
Codice Mouser
579-AVR64DB64T-E/MR
Microchip Technology
Microcontrollori a 8 bit - MCU 64KB, 8KB RAM, 64p, 24MHz, 3xOPAMP, MVIO, 12b ADC, 3xZCD, DAC, UART, 2xSPI, TWI
8.020 A magazzino
Confezione alternativa
1
2,05 €
25
2,00 €
100
1,92 €
1.000
1,87 €
3.300
1,76 €
9.900
Offerta
9.900
Offerta
Acquista
Min: 1
Mult.: 1
Nastrati :
3.300
Dettagli
AVR
64 kB
8 kB
QFN-64
24 MHz
12 bit
55 I/O
1.8 V
5.5 V
SMD/SMT
8 bit
- 40 C
+ 125 C
AVR64DB28/32/48/64
Reel, Cut Tape
Microcontrollori a 8 bit - MCU 28KB, 2KB RAM, 4xPWMs, Comparator, DAC, ADC, CWG, 4xCLC, 2 EUSART, SPI/I2C
PIC16LF15356T-I/SS
Microchip Technology
1:
1,27 €
3.625 A magazzino
Codice Mouser
579-IC16LF15356TI/SS
Microchip Technology
Microcontrollori a 8 bit - MCU 28KB, 2KB RAM, 4xPWMs, Comparator, DAC, ADC, CWG, 4xCLC, 2 EUSART, SPI/I2C
3.625 A magazzino
Confezione alternativa
1
1,27 €
25
1,24 €
1.000
1,06 €
2.100
1,06 €
Acquista
Min: 1
Mult.: 1
Nastrati :
2.100
Dettagli
PIC16
28 kB
2 kB
SSOP-28
32 MHz
10 bit
25 I/O
1.8 V
3.6 V
SMD/SMT
8 bit
- 40 C
+ 85 C
PIC16(L)F153xx
Reel, Cut Tape
Microcontrollori a 8 bit - MCU 28KB, 2KB RAM, 4xPWMs, Comparator, DAC, ADC, CWG, 4xCLC, 2 EUSART, SPI/I2C
PIC16F15376T-I/ML
Microchip Technology
1:
1,59 €
5.388 A magazzino
Codice Mouser
579-PIC16F15376TI/ML
Microchip Technology
Microcontrollori a 8 bit - MCU 28KB, 2KB RAM, 4xPWMs, Comparator, DAC, ADC, CWG, 4xCLC, 2 EUSART, SPI/I2C
5.388 A magazzino
Confezione alternativa
1
1,59 €
25
1,56 €
250
1,43 €
500
1,42 €
1.000
1,32 €
1.600
1,32 €
Acquista
Min: 1
Mult.: 1
Nastrati :
1.600
Dettagli
PIC16
28 kB
2 kB
QFN-44
32 MHz
10 bit
36 I/O
2.3 V
5.5 V
SMD/SMT
8 bit
- 40 C
+ 85 C
PIC16(L)F153xx
AEC-Q100
Reel, Cut Tape
Microcontrollori a 8 bit - MCU 8 Bit MCU 28KB Flash 2KB RAM ADC I2C/SPI
PIC16F1718-E/SS
Microchip Technology
1:
1,71 €
6.759 A magazzino
Codice Mouser
579-PIC16F1718-E/SS
Microchip Technology
Microcontrollori a 8 bit - MCU 8 Bit MCU 28KB Flash 2KB RAM ADC I2C/SPI
6.759 A magazzino
1
1,71 €
25
1,63 €
94
1,48 €
282
1,47 €
Acquista
Min: 1
Mult.: 1
Dettagli
PIC16
28 kB
2 kB
SSOP-28
32 MHz
10 bit
25 I/O
2.3 V
5.5 V
SMD/SMT
8 bit
- 40 C
+ 125 C
PIC16(L)F170X/171X
AEC-Q100
Tube
Microcontrollori a 8 bit - MCU 8-Bit MCU, 28K Flash 2KB RAM, 10b ADC
PIC16F1718T-I/ML
Microchip Technology
1:
1,72 €
2.915 A magazzino
Codice Mouser
579-PIC16F1718T-I/ML
Microchip Technology
Microcontrollori a 8 bit - MCU 8-Bit MCU, 28K Flash 2KB RAM, 10b ADC
2.915 A magazzino
Confezione alternativa
1
1,72 €
25
1,68 €
100
1,62 €
1.000
1,42 €
1.600
1,42 €
Acquista
Min: 1
Mult.: 1
Nastrati :
1.600
Dettagli
PIC16
28 kB
2 kB
QFN-28
32 MHz
10 bit
25 I/O
2.3 V
5.5 V
SMD/SMT
8 bit
- 40 C
+ 85 C
PIC16(L)F170X/171X
AEC-Q100
Reel, Cut Tape
Microcontrollori a 8 bit - MCU 28KB, 2KB RAM, 4xPWMs, Comparator, DAC, ADC, CWG, 4xCLC, 2 EUSART, SPI/I2C
PIC16LF15376-I/MV
Microchip Technology
1:
1,48 €
1.838 A magazzino
Codice Mouser
579-PIC16LF15376I/MV
Microchip Technology
Microcontrollori a 8 bit - MCU 28KB, 2KB RAM, 4xPWMs, Comparator, DAC, ADC, CWG, 4xCLC, 2 EUSART, SPI/I2C
1.838 A magazzino
Confezione alternativa
1
1,48 €
25
1,36 €
73
1,35 €
511
1,34 €
5.037
1,23 €
Acquista
Min: 1
Mult.: 1
Dettagli
PIC16
28 kB
2 kB
UQFN-40
32 MHz
10 bit
36 I/O
1.8 V
3.6 V
SMD/SMT
8 bit
- 40 C
+ 85 C
PIC16(L)F153xx
Tube
Microcontrollori a 8 bit - MCU 64KB Flash, 4KB RAM, 256B EEPROM, 10-bit ADC2, 5-bit DAC, Comp, PWM, CCP, CWG, HLT, WWDT, SCAN/CRC, ZCD, PPS, EUSART, SPI/I2C, IDLE/DOZE/PMD
PIC18F26K40-I/SS
Microchip Technology
1:
1,55 €
2.545 A magazzino
Codice Mouser
579-PIC18F26K40-I/SS
Microchip Technology
Microcontrollori a 8 bit - MCU 64KB Flash, 4KB RAM, 256B EEPROM, 10-bit ADC2, 5-bit DAC, Comp, PWM, CCP, CWG, HLT, WWDT, SCAN/CRC, ZCD, PPS, EUSART, SPI/I2C, IDLE/DOZE/PMD
2.545 A magazzino
Confezione alternativa
1
1,55 €
25
1,41 €
94
1,28 €
Acquista
Min: 1
Mult.: 1
Dettagli
PIC18
64 kB
3.53 kB
SSOP-28
64 MHz
10 bit
25 I/O
2.3 V
5.5 V
SMD/SMT
8 bit
- 40 C
+ 85 C
PIC18(L)F26K40
AEC-Q100
Tube
Microcontrollori a 8 bit - MCU Multi-Voltage I/O Analog Signal Conditioning
AVR128DB48-E/PT
Microchip Technology
1:
1,95 €
2.132 A magazzino
Codice Mouser
579-AVR128DB48-E/PT
Microchip Technology
Microcontrollori a 8 bit - MCU Multi-Voltage I/O Analog Signal Conditioning
2.132 A magazzino
Confezione alternativa
1
1,95 €
25
1,79 €
100
1,63 €
Acquista
Min: 1
Mult.: 1
Dettagli
AVR
128 kB
16 kB
TQFP-48
24 MHz
12 bit
41 I/O
1.8 V
5.5 V
SMD/SMT
8 bit
- 40 C
+ 125 C
AVR128DB28/32/48/64
Tray
Microcontrollori a 8 bit - MCU Multi-Voltage I/O Analog Signal Conditioning
AVR128DB48-I/6LX
Microchip Technology
1:
1,80 €
936 A magazzino
Codice Mouser
579-AVR128DB48-I/6LX
Microchip Technology
Microcontrollori a 8 bit - MCU Multi-Voltage I/O Analog Signal Conditioning
936 A magazzino
Confezione alternativa
Acquista
Min: 1
Mult.: 1
Dettagli
AVR
128 kB
16 kB
VQFN-48
24 MHz
12 bit
41 I/O
1.8 V
5.5 V
SMD/SMT
8 bit
- 40 C
+ 85 C
AVR128DB28/32/48/64
Tube
Microcontrollori a 8 bit - MCU 32KB, 4KB RAM, 48p, 24MHz, 3xOPAMP, MVIO, 12b ADC, 3xZCD, DAC, UART, 2xSPI, TWI
AVR32DB48-E/PT
Microchip Technology
1:
1,73 €
787 A magazzino
Codice Mouser
579-AVR32DB48-E/PT
Microchip Technology
Microcontrollori a 8 bit - MCU 32KB, 4KB RAM, 48p, 24MHz, 3xOPAMP, MVIO, 12b ADC, 3xZCD, DAC, UART, 2xSPI, TWI
787 A magazzino
Confezione alternativa
1
1,73 €
25
1,59 €
100
1,44 €
250
1,43 €
Acquista
Min: 1
Mult.: 1
Dettagli
AVR
32 kB
4 kB
TQFP-48
24 MHz
12 bit
41 I/O
1.8 V
5.5 V
SMD/SMT
8 bit
- 40 C
+ 125 C
AVR32DB28/32/48
Tray
Microcontrollori a 8 bit - MCU 64KB, 8KB RAM, 48p, 24MHz, 3xOPAMP, MVIO, 12b ADC, 3xZCD, DAC, UART, 2xSPI, TWI
AVR64DB48-E/PT
Microchip Technology
1:
1,81 €
1.770 A magazzino
Codice Mouser
579-AVR64DB48-E/PT
Microchip Technology
Microcontrollori a 8 bit - MCU 64KB, 8KB RAM, 48p, 24MHz, 3xOPAMP, MVIO, 12b ADC, 3xZCD, DAC, UART, 2xSPI, TWI
1.770 A magazzino
Confezione alternativa
1
1,81 €
25
1,66 €
100
1,51 €
250
1,50 €
Acquista
Min: 1
Mult.: 1
Dettagli
AVR
64 kB
8 kB
TQFP-48
24 MHz
12 bit
41 I/O
1.8 V
5.5 V
SMD/SMT
8 bit
- 40 C
+ 125 C
AVR64DB28/32/48/64
Tray
Microcontrollori a 8 bit - MCU 7KB, 512B RAM, 4xPWMs, Comparator, DAC, ADC, 4xCLC, CWG, 2 EUSART, SPI/I2C
+2 immagini
PIC16F15344-E/SS
Microchip Technology
1:
1,01 €
4.109 A magazzino
Codice Mouser
579-PIC16F15344-E/SS
Microchip Technology
Microcontrollori a 8 bit - MCU 7KB, 512B RAM, 4xPWMs, Comparator, DAC, ADC, 4xCLC, CWG, 2 EUSART, SPI/I2C
4.109 A magazzino
1
1,01 €
25
0,92 €
67
0,839 €
Acquista
Min: 1
Mult.: 1
Dettagli
PIC16
7 kB
512 B
SSOP-20
32 MHz
10 bit
18 I/O
2.3 V
5.5 V
SMD/SMT
8 bit
- 40 C
+ 125 C
PIC16(L)F153xx
AEC-Q100
Tube