Product Search

    SEARCH NOW FOR ALL YOUR ST MICRO SOLUTIONS

    Radwell is here to supply you with all your plant floor needs.

    Electrical Products / Electrical Accessory

    Radwell is not an authorised distributor, reseller or representative of the products featured on this website. All product names, trademarks, brands and logos used on this site are the property of their respective owners. The depiction, description or sale of products featuring these names, trademarks, brands and logos is for identification purposes only and is not intended to indicate any affiliation with or authorisation by any rights holder.

    Filter Results
    Results 51-100 of 104.
    ST MICRO NUCLEO-L4P5ZG

    ST MICRO

    STMICRO ELECTRONICS

    NUCLEO-L4P5ZG

    NUCLEO-144 BOARD, STM32, ARM CORTEX-M4 ROHS COMPLIANT: YES
    £29.11 Price with VAT: £34.93 Buy Surplus As Low As £17.92 Price with VAT: £21.50
    £17.92 Price with VAT: £21.50
    ST MICRO MASTERGAN1

    ST MICRO

    STMICRO ELECTRONICS

    MASTERGAN1

    IC, GATE DRIVER, 2-CH, 4.75V - 9.5V, QFN; NO. OF CHANNELS:2CHANNELS; GATE DRIVER TYPE:-; DRIVER CONFIGURATION:HALF BRIDGE; POWER SWITCH TYPE:GAN HEMT; NO. OF PINS:31PINS; IC CASE / PACKAGE:Q ...
    £11.20 Price with VAT: £13.44 Buy Surplus As Low As £6.72 Price with VAT: £8.06
    £6.72 Price with VAT: £8.06
    ST MICRO BLUENRG-355AC

    ST MICRO

    STMICRO ELECTRONICS

    BLUENRG-355AC

    IC, TXRX, GFSK, 8 OUTPUT, QFN-32 ROHS COMPLIANT: YES
    £2.59 Price with VAT: £3.11 Buy Surplus As Low As £1.55 Price with VAT: £1.86
    £1.55 Price with VAT: £1.86
    ST MICRO STM32F429ZIT7

    ST MICRO

    STMICRO ELECTRONICS

    STM32F429ZIT7

    (PRICE/EACH), TO 252 DPAK / TAPE&REEL 13
    £29.86 Price with VAT: £35.83 Buy Surplus As Low As £17.92 Price with VAT: £21.50
    £17.92 Price with VAT: £21.50
    ST MICRO STM32F411VET6TR

    ST MICRO

    STMICRO ELECTRONICS

    STM32F411VET6TR

    (PRICE/TR), UFBGA 10X10X0.6 176+25 P0.65 / TRAY
    £6.50 Price with VAT: £7.80 Buy Surplus As Low As £3.90 Price with VAT: £4.68
    £3.90 Price with VAT: £4.68
    ST MICRO STGAP2SMTR

    ST MICRO

    STMICRO ELECTRONICS

    STGAP2SMTR

    (PRICE/TC),MOSFET DRIVER, -40 TO 125DEG C; DRIVER CONFIGURATION:HALF BRIDGE; PEAK OUTPUT CURRENT:4A; SUPPLY VOLTAGE MIN:-; SUPPLY VOLTAGE MAX:26V; DRIVER CASE STYLE:SOIC; NO. OF PINS:8PINS; ...
    £1.73 Price with VAT: £2.08 Buy Surplus As Low As £1.04 Price with VAT: £1.25
    £1.04 Price with VAT: £1.25
    ST MICRO LD39200DPUR

    ST MICRO

    STMICRO ELECTRONICS

    LD39200DPUR

    LDO, ADJ, 1.5V, 0.3A, TSOP-5; OUTPUT TYPE:ADJUSTABLE; INPUT VOLTAGE MIN:1.25V; INPUT VOLTAGE MAX:6V; FIXED OUTPUT VOLTAGE NOM.:-; ADJUSTABLE OUTPUT VOLTAGE MIN:500MV; ADJUSTABLE OUTPUT VOLTA ...
    £0.63 Price with VAT: £0.75 Buy Surplus As Low As £0.38 Price with VAT: £0.45
    £0.38 Price with VAT: £0.45
    ST MICRO TSM1012AIDT

    ST MICRO

    TSM1012AIDT

    IND. & POWER CONV.
    £0.62 Price with VAT: £0.74 Buy Surplus As Low As £0.37 Price with VAT: £0.45
    £0.37 Price with VAT: £0.45
    ST MICRO L6385ED013TR

    ST MICRO

    STMICRO ELECTRONICS

    L6385ED013TR

    (PRICE/TC) MOSFET DRIVER, -40 TO 125DEG C; DRIVER CONFIGURATION:HIGH SIDE AND LOW SIDE; PEAK OUTPUT CURRENT:650MA; SUPPLY VOLTAGE MIN:-; SUPPLY VOLTAGE MAX:17V; DRIVER CASE STYLE:SOIC; NO. O ...
    £1.73 Price with VAT: £2.08 Buy Surplus As Low As £1.04 Price with VAT: £1.25
    £1.04 Price with VAT: £1.25
    ST MICRO STM32H7A3NGH6

    ST MICRO

    STMICRO ELECTRONICS

    STM32H7A3NGH6

    (PRICE/EACH), D2PAK CLIP / TUBE
    £25.38 Price with VAT: £30.46 Buy Surplus As Low As £15.68 Price with VAT: £18.81
    £15.68 Price with VAT: £18.81
    ST MICRO STM32F765NGH6

    ST MICRO

    STMICRO ELECTRONICS

    STM32F765NGH6

    MCU, 32BIT, 216MHZ, TFBGA-216 ROHS COMPLIANT: YES
    £16.42 Price with VAT: £19.71 Buy Surplus As Low As £10.45 Price with VAT: £12.54
    £10.45 Price with VAT: £12.54
    ST MICRO STL130N6F7

    ST MICRO

    STMICRO ELECTRONICS

    STL130N6F7

    (PRICE/TC) MOSFET, N-CH, 60V, 130A, 125W, POWERFLAT; TRANSISTOR POLARITY:N CHANNEL; CONTINUOUS DRAIN CURRENT ID:130A; DRAIN SOURCE VOLTAGE VDS:60V; ON RESISTANCE RDS(ON):0.003OHM; RDS(ON) TE ...
    £1.06 Price with VAT: £1.27 Buy Surplus As Low As £0.63 Price with VAT: £0.76
    £0.63 Price with VAT: £0.76
    ST MICRO STDRIVE101TR

    ST MICRO

    STMICRO ELECTRONICS

    STDRIVE101TR

    (PRICE/TC),GATE DRIVER, HALF BRIDGE, MOSFET, VFQFPN ROHS COMPLIANT: YES
    £1.47 Price with VAT: £1.77 Buy Surplus As Low As £0.88 Price with VAT: £1.06
    £0.88 Price with VAT: £1.06
    ST MICRO SRK1001TR

    ST MICRO

    STMICRO ELECTRONICS

    SRK1001TR

    (PRICE/TC), ADAPTIVE SYNC RECTIFICATION CTRL, SOIC-8 ROHS COMPLIANT: YES
    £0.63 Price with VAT: £0.75 Buy Surplus As Low As £0.38 Price with VAT: £0.45
    £0.38 Price with VAT: £0.45
    ST MICRO NUCLEO-8L152R8

    ST MICRO

    STMICRO ELECTRONICS

    NUCLEO-8L152R8

    NUCLEO-64 DEVELOPMENT BOARD, 8BIT MCU; SILICON MANUFACTURER:STMICROELECTRONICS; NO. OF BITS:8BIT; SILICON FAMILY NAME:STM8; CORE ARCHITECTURE:-; CORE SUB-ARCHITECTURE:-; SILICON CORE NUMBER: ...
    £17.92 Price with VAT: £21.50 Buy Surplus As Low As £11.20 Price with VAT: £13.44
    £11.20 Price with VAT: £13.44
    ST MICRO LD39130SJ10R

    ST MICRO

    STMICRO ELECTRONICS

    LD39130SJ10R

    LDO, FIXED, 1V, 0.3A, -40 TO 125DEG C; OUTPUT TYPE:FIXED; INPUT VOLTAGE MIN:1.4V; INPUT VOLTAGE MAX:5.5V; NO. OF OUTPUTS:1OUTPUTS; OUTPUT VOLTAGE MIN:-; OUTPUT VOLTAGE MAX:-; POLARITY:POSITI ...
    £0.56 Price with VAT: £0.67 Buy Surplus As Low As £0.33 Price with VAT: £0.40
    £0.33 Price with VAT: £0.40
    ST MICRO L9474N

    ST MICRO

    STMICRO ELECTRONICS

    L9474N

    PTS ASSP ROHS COMPLIANT: YES
    £11.20 Price with VAT: £13.44 Buy Surplus As Low As £6.72 Price with VAT: £8.06
    £6.72 Price with VAT: £8.06
    ST MICRO L9779WD-SPI

    ST MICRO

    STMICRO ELECTRONICS

    L9779WD-SPI

    (PRICE/EACH), ENGINE MANAGEMENT
    £24.63 Price with VAT: £29.56 Buy Surplus As Low As £14.93 Price with VAT: £17.92
    £14.93 Price with VAT: £17.92
    ST MICRO L6563STR

    ST MICRO

    STMICRO ELECTRONICS

    L6563STR

    (PRICE/TC) PFC CONTROLLER, -40 TO 150DEG C; UVLO:1.1V; SUPPLY VOLTAGE MIN:10.3V; SUPPLY VOLTAGE MAX:22.5V; STARTUP CURRENT:90ΜA; OPERATING SUPPLY CURRENT:5MA; CONTROLLER IC CASE STYLE:SOIC; ...
    £0.97 Price with VAT: £1.17 Buy Surplus As Low As £0.58 Price with VAT: £0.70
    £0.58 Price with VAT: £0.70
    ST MICRO VN808-32-E

    ST MICRO

    STMICRO ELECTRONICS

    VN808-32-E

    PERIPHERAL DRIVER, 8 O/P, SOIC; SUPPLY VOLTAGE MIN:10.5V; SUPPLY VOLTAGE MAX:45V; NO. OF OUTPUTS:8OUTPUTS; OUTPUT VOLTAGE:-; OUTPUT CURRENT:1A; DRIVER CASE STYLE:SOIC; PRODUCT RANGE:- ROHS C ...
    £6.36 Price with VAT: £7.63 Buy Surplus As Low As £3.81 Price with VAT: £4.58
    £3.81 Price with VAT: £4.58
    ST MICRO VIPER114HSTR

    ST MICRO

    STMICRO ELECTRONICS

    VIPER114HSTR

    (PRICE/TC),AC/DC CONV, 120KHZ, -40 TO 150DEG C; INPUT VOLTAGE MIN:85VAC; INPUT VOLTAGE MAX:265VAC; IC CASE / PACKAGE:SSOP; NO. OF PINS:10PINS; POWER RATING MAX:7W; TOPOLOGY:BUCK, BUCK-BOOST, ...
    £0.97 Price with VAT: £1.17 Buy Surplus As Low As £0.58 Price with VAT: £0.70
    £0.58 Price with VAT: £0.70
    ST MICRO STAP16DPPS05XTTR

    ST MICRO

    STMICRO ELECTRONICS

    STAP16DPPS05XTTR

    LED DRIVER, 16BIT, 30MHZ, HTSSOP-24; DEVICE TOPOLOGY:CONSTANT CURRENT; NO. OF OUTPUTS:16OUTPUTS; OUTPUT CURRENT:40MA; OUTPUT VOLTAGE:20V; DRIVER CASE STYLE:HTSSOP; NO. OF PINS:24PINS; INPUT ...
    £1.48 Price with VAT: £1.77 Buy Surplus As Low As £0.89 Price with VAT: £1.06
    £0.89 Price with VAT: £1.06
    ST MICRO ST25-TAG-BAG-UB

    ST MICRO

    STMICRO ELECTRONICS

    ST25-TAG-BAG-UB

    POWER MANAGEMENT
    £36.58 Price with VAT: £43.89 Buy Surplus As Low As £22.39 Price with VAT: £26.87
    £22.39 Price with VAT: £26.87
    ST MICRO M24SR64-YSG12I/2

    ST MICRO

    STMICRO ELECTRONICS

    M24SR64-YSG12I/2

    PTD NEW MAT & PWR SOLUTION
    £1.12 Price with VAT: £1.35 Buy Surplus As Low As £0.67 Price with VAT: £0.81
    £0.67 Price with VAT: £0.81
    ST MICRO LD49100PURY

    ST MICRO

    STMICRO ELECTRONICS

    LD49100PURY

    LDO, AEC-Q100, ADJ, 0.8-4.5V, 1A, WDFN-6 ROHS COMPLIANT: YES
    £0.90 Price with VAT: £1.08 Buy Surplus As Low As £0.54 Price with VAT: £0.65
    £0.54 Price with VAT: £0.65
    ST MICRO AIS2DW12TR

    ST MICRO

    STMICRO ELECTRONICS

    AIS2DW12TR

    (PRICE/TC),MOTION SENSOR, DIGITAL, X/Y/Z AXIS; MEMS SENSOR OUTPUT:DIGITAL; MEASUREMENT AXIS:X, Y, Z; ACCELERATION RANGE:± 2G, ± 4G; SUPPLY VOLTAGE MIN:1.62V; SUPPLY VOLTAGE MAX:3.6V; SENSOR ...
    £1.95 Price with VAT: £2.34 Buy Surplus As Low As £1.17 Price with VAT: £1.41
    £1.17 Price with VAT: £1.41
    ST MICRO ST7540TR

    ST MICRO

    STMICRO ELECTRONICS

    ST7540TR

    (PRICE/TC) FSK POWER LINE TRANSCEIVER, -40TO85DEG C; BAUD RATE:4.8KBAUD; SUPPLY VOLTAGE MIN:7.5V; SUPPLY VOLTAGE MAX:13.5V; CONTROLLER IC CASE STYLE:HTSSOP; NO. OF PINS:28PINS; OPERATING TEM ...
    £12.69 Price with VAT: £15.23 Buy Surplus As Low As £8.21 Price with VAT: £9.85
    £8.21 Price with VAT: £9.85
    ST MICRO L6564DTR

    ST MICRO

    STMICRO ELECTRONICS

    L6564DTR

    (PRICE/TC), PFC CONTROLLER, -40 TO 150DEG C; UVLO:1.1V; SUPPLY VOLTAGE MIN:10.3V; SUPPLY VOLTAGE MAX:22.5V; STARTUP CURRENT:90ΜA; OPERATING SUPPLY CURRENT:5MA; CONTROLLER IC CASE STYLE:SSOP; ...
    £1.15 Price with VAT: £1.38 Buy Surplus As Low As £0.69 Price with VAT: £0.83
    £0.69 Price with VAT: £0.83
    ST MICRO L6472HTR

    ST MICRO

    STMICRO ELECTRONICS

    L6472HTR

    (PRICE/TC) MOTOR DRIVER, STEPPER, HTSSOP-28; MOTOR TYPE:STEPPER; NO. OF OUTPUTS:1OUTPUTS; OUTPUT CURRENT:3A; OUTPUT VOLTAGE:45V; DRIVER CASE STYLE:HTSSOP; NO. OF PINS:28PINS; SUPPLY VOLTAGE ...
    £6.09 Price with VAT: £7.31 Buy Surplus As Low As £3.65 Price with VAT: £4.38
    £3.65 Price with VAT: £4.38
    ST MICRO L6227QTR

    ST MICRO

    STMICRO ELECTRONICS

    L6227QTR

    (PRICE/TR), SPS ASSP
    £4.52 Price with VAT: £5.43 Buy Surplus As Low As £2.71 Price with VAT: £3.26
    £2.71 Price with VAT: £3.26
    ST MICRO MASTERGAN2

    ST MICRO

    STMICRO ELECTRONICS

    MASTERGAN2

    IC, GATE DRIVER, 2-CH, 3.3V - 15V, QFN; NO. OF CHANNELS:2CHANNELS; GATE DRIVER TYPE:-; DRIVER CONFIGURATION:HALF BRIDGE; POWER SWITCH TYPE:GAN HEMT; NO. OF PINS:31PINS; IC CASE / PACKAGE:QFN ...
    £11.20 Price with VAT: £13.44 Buy Surplus As Low As £6.72 Price with VAT: £8.06
    £6.72 Price with VAT: £8.06
    ST MICRO LD49100PU33RY

    ST MICRO

    STMICRO ELECTRONICS

    LD49100PU33RY

    LDO, FIXED,AEC-Q100, 3.3V, 1A, WDFN-6 ROHS COMPLIANT: YES
    £0.77 Price with VAT: £0.92 Buy Surplus As Low As £0.46 Price with VAT: £0.55
    £0.46 Price with VAT: £0.55
    ST MICRO STEVAL-MKIT01V1

    ST MICRO

    STMICRO ELECTRONICS

    STEVAL-MKIT01V1

    MEMS SENSOR SAMPLE KIT, MEMS MOTHERBOARD ROHS COMPLIANT: YES
    £24.63 Price with VAT: £29.56 Buy Surplus As Low As £14.93 Price with VAT: £17.92
    £14.93 Price with VAT: £17.92
    ST MICRO STA8090FG

    ST MICRO

    STMICRO ELECTRONICS

    STA8090FG

    GNSS ICS
    £18.66 Price with VAT: £22.39 Buy Surplus As Low As £11.20 Price with VAT: £13.44
    £11.20 Price with VAT: £13.44
    ST MICRO STA8089FGB

    ST MICRO

    STMICRO ELECTRONICS

    STA8089FGB

    (PRICE/EACH), GNSS ICS
    £18.66 Price with VAT: £22.39 Buy Surplus As Low As £11.20 Price with VAT: £13.44
    £11.20 Price with VAT: £13.44
    ST MICRO ST7590

    ST MICRO

    STMICRO ELECTRONICS

    ST7590

    OFDM POWER LINE COMM SOC, 18V, QFN-48; IC INTERFACE TYPE:SPI, UART; INTERFACE APPLICATIONS:SMART GRID APPLICATIONS, SMART METERING; SUPPLY VOLTAGE MIN:8V; SUPPLY VOLTAGE MAX:18V; INTERFACE C ...
    £12.69 Price with VAT: £15.23 Buy Surplus As Low As £8.21 Price with VAT: £9.85
    £8.21 Price with VAT: £9.85
    ST MICRO ST1S15J28R

    ST MICRO

    STMICRO ELECTRONICS

    ST1S15J28R

    (PRICE/TR), CSPS0.4 4-6 TAPE&REEL 7 INCH
    £0.94 Price with VAT: £1.12 Buy Surplus As Low As £0.56 Price with VAT: £0.67
    £0.56 Price with VAT: £0.67
    ST MICRO TS3325AQPR

    ST MICRO

    STMICRO ELECTRONICS

    TS3325AQPR

    (PRICE/TR), PEIM
    £0.87 Price with VAT: £1.05 Buy Surplus As Low As £0.52 Price with VAT: £0.63
    £0.52 Price with VAT: £0.63
    ST MICRO VN7004CLHTR

    ST MICRO

    STMICRO ELECTRONICS

    VN7004CLHTR

    POWER LOAD SW, AEC-Q100, -40 TO 150DEG C; POWER LOAD SWITCH TYPE:HIGH SIDE; NO. OF CHANNELS:1CHANNELS; INPUT VOLTAGE:13V; CURRENT LIMIT:135A; ON STATE RESISTANCE:0.004OHM; IC CASE / PACKAGE: ...
    £3.25 Price with VAT: £3.90 Buy Surplus As Low As £1.95 Price with VAT: £2.34
    £1.95 Price with VAT: £2.34
    ST MICRO STPS61H100CWY

    ST MICRO

    STMICRO ELECTRONICS

    STPS61H100CWY

    (PRICE/EACH), COT++
    £4.74 Price with VAT: £5.69 Buy Surplus As Low As £2.85 Price with VAT: £3.42
    £2.85 Price with VAT: £3.42
    ST MICRO STM32MP157CAD3T

    ST MICRO

    STMICRO ELECTRONICS

    STM32MP157CAD3T

    (PRICE/TR), STM32 ARM CORTEX MPUS
    £15.68 Price with VAT: £18.81 Buy Surplus As Low As £9.70 Price with VAT: £11.64
    £9.70 Price with VAT: £11.64
    ST MICRO VD6282TB45/1

    ST MICRO

    STMICRO ELECTRONICS

    VD6282TB45/1

    (PRICE/EACH), PEIM
    £4.95 Price with VAT: £5.94 Buy Surplus As Low As £2.97 Price with VAT: £3.56
    £2.97 Price with VAT: £3.56
    ST MICRO VL53L1-SATEL

    ST MICRO

    STMICRO ELECTRONICS

    VL53L1-SATEL

    BREAKOUT BOARD, TOF PROXIMITY SENSOR ROHS COMPLIANT: YES
    £26.87 Price with VAT: £32.25 Buy Surplus As Low As £16.42 Price with VAT: £19.71
    £16.42 Price with VAT: £19.71
    ST MICRO STSPIN840

    ST MICRO

    STMICRO ELECTRONICS

    STSPIN840

    (PRICE/TC), MOTOR DRIVER, -40 TO 150DEG C; MOTOR TYPE:DC BRUSH; NO. OF OUTPUTS:4OUTPUTS; OUTPUT CURRENT:1.5A; OUTPUT VOLTAGE:48V; DRIVER CASE STYLE:QFN; NO. OF PINS:24PINS; SUPPLY VOLTAGE MI ...
    £2.66 Price with VAT: £3.19 Buy Surplus As Low As £1.60 Price with VAT: £1.92
    £1.60 Price with VAT: £1.92
    ST MICRO ULN2003TTR

    ST MICRO

    STMICRO ELECTRONICS

    ULN2003TTR

    BIPOLAR ARRAY, NPN, 50V, 0.5A, TSSOP ROHS COMPLIANT: YES
    £0.28 Price with VAT: £0.33 Buy Surplus As Low As £0.17 Price with VAT: £0.20
    £0.17 Price with VAT: £0.20
    ST MICRO TS3312AQPR

    ST MICRO

    STMICRO ELECTRONICS

    TS3312AQPR

    (PRICE/TC), VOLTAGE REFERENCE, SERIES, 1.25V, QFN-8; VOLTAGE REFERENCE TYPE:SERIES - FIXED; PRODUCT RANGE:-; REFERENCE VOLTAGE:1.25V; INITIAL ACCURACY:0.15%; TEMPERATURE COEFFICIENT:8PPM/°C; ...
    £0.86 Price with VAT: £1.03 Buy Surplus As Low As £0.52 Price with VAT: £0.62
    £0.52 Price with VAT: £0.62
    ST MICRO T3035H-8T

    ST MICRO

    STMICRO ELECTRONICS

    T3035H-8T

    TRIAC, 30A, 800V, TO-220AB; PEAK REPETITIVE OFF-STATE VOLTAGE, VDRM:800V; ON STATE RMS CURRENT IT(RMS):30A; TRIAC CASE STYLE:TO-220AB; GATE TRIGGER CURRENT MAX (QI), IGT:35MA; GATE TRIGGER V ...
    £1.74 Price with VAT: £2.09 Buy Surplus As Low As £1.05 Price with VAT: £1.26
    £1.05 Price with VAT: £1.26
    ST MICRO STB26N60M2

    ST MICRO

    STMICRO ELECTRONICS

    STB26N60M2

    (PRICE/TC),MOSFET, N-CH, 600V, 20A, 150DEG C, 169W; TRANSISTOR POLARITY:N CHANNEL; CONTINUOUS DRAIN CURRENT ID:20A; DRAIN SOURCE VOLTAGE VDS:600V; ON RESISTANCE RDS(ON):0.14OHM; RDS(ON) TEST ...
    £2.50 Price with VAT: £3.00 Buy Surplus As Low As £1.50 Price with VAT: £1.80
    £1.50 Price with VAT: £1.80
    ST MICRO ACST410-8FP

    ST MICRO

    STMICRO ELECTRONICS

    ACST410-8FP

    TRAIC W/OVER VOLT PROT, 800V, TO-220FPAB; PEAK REPETITIVE OFF-STATE VOLTAGE, VDRM:800V; ON STATE RMS CURRENT IT(RMS):4A; TRIAC CASE STYLE:TO-220FPAB; GATE TRIGGER CURRENT MAX (QI), IGT:10MA; ...
    £0.67 Price with VAT: £0.81 Buy Surplus As Low As £0.40 Price with VAT: £0.48
    £0.40 Price with VAT: £0.48
    ST MICRO T1035H-6G-TR

    ST MICRO

    STMICRO ELECTRONICS

    T1035H-6G-TR

    (PRICE/TC),TRIAC, 600V, 10A, TO-263-3 ROHS COMPLIANT: YES
    £0.80 Price with VAT: £0.96 Buy Surplus As Low As £0.48 Price with VAT: £0.58
    £0.48 Price with VAT: £0.58
    Previous Next
    1 2 3