Please enter a valid full or partial manufacturer part number with a minimum of 3 letters or numbers

    TPS1101 Search Results

    TPS1101 Result Highlights (3)

    Part ECAD Model Manufacturer Description Download Buy
    TPS1101D Texas Instruments Single P-channel Enhancement-Mode MOSFET 8-SOIC Visit Texas Instruments Buy
    TPS1101PWR Texas Instruments Single P-channel Enhancement-Mode MOSFET 16-TSSOP Visit Texas Instruments Buy
    TPS1101DR Texas Instruments Single P-channel Enhancement-Mode MOSFET 8-SOIC Visit Texas Instruments Buy
    SF Impression Pixel

    TPS1101 Price and Stock

    Texas Instruments TPS1101D

    MOSFET P-CH 15V 2.3A 8SOIC
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    DigiKey TPS1101D Tube 84 1
    • 1 $2.81
    • 10 $2.81
    • 100 $1.44267
    • 1000 $1.14859
    • 10000 $1.0825
    		Buy Now
    Mouser Electronics TPS1101D 104
    • 1 $2.49
    • 10 $2.49
    • 100 $1.29
    • 1000 $1.14
    • 10000 $1.08
    		Buy Now
    Verical TPS1101D 4,500 266
    • 1 -
    • 10 -
    • 100 -
    • 1000 $1.275
    • 10000 $1.275
    		Buy Now
    TPS1101D 2,175 266
    • 1 -
    • 10 -
    • 100 -
    • 1000 $1.275
    • 10000 $1.275
    		Buy Now
    Bristol Electronics TPS1101D 66
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 -
    		Get Quote
    Quest Components TPS1101D 140
    • 1 $3.2904
    • 10 $3.2904
    • 100 $2.1936
    • 1000 $2.0291
    • 10000 $2.0291
    		Buy Now
    TPS1101D 52
    • 1 $3.2904
    • 10 $2.413
    • 100 $2.1936
    • 1000 $2.1936
    • 10000 $2.1936
    		Buy Now
    Rochester Electronics TPS1101D 8,060 1
    • 1 $1.2
    • 10 $1.2
    • 100 $1.13
    • 1000 $1.02
    • 10000 $1.02
    		Buy Now

    Rochester Electronics LLC TPS1101D

    TPS1101 SINGLE P-CHANNEL ENHANCE
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    DigiKey TPS1101D Bulk 241
    • 1 -
    • 10 -
    • 100 -
    • 1000 $1.25
    • 10000 $1.25
    		Buy Now

    Texas Instruments TPS1101DR

    MOSFET P-CH 15V 2.3A 8SOIC
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    DigiKey TPS1101DR Reel 2,500
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 $0.91
    		Buy Now
    Mouser Electronics TPS1101DR
    • 1 $2.17
    • 10 $1.81
    • 100 $1.44
    • 1000 $1.03
    • 10000 $0.91
    		Get Quote
    Quest Components TPS1101DR 8
    • 1 $1.7645
    • 10 $1.6233
    • 100 $1.6233
    • 1000 $1.6233
    • 10000 $1.6233
    		Buy Now

    Rochester Electronics LLC TPS1101PWR

    MOSFET P-CH 15V 2.18A 16TSSOP
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    DigiKey TPS1101PWR Bulk 300
    • 1 -
    • 10 -
    • 100 -
    • 1000 $1
    • 10000 $1
    		Buy Now

    Texas Instruments TPS1101PWR

    MOSFET P-CH 15V 2.18A 16TSSOP
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    DigiKey TPS1101PWR Reel 2,000
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 $0.86625
    		Buy Now
    TPS1101PWR Cut Tape 1
    • 1 $2.37
    • 10 $2.37
    • 100 $2.37
    • 1000 $2.37
    • 10000 $2.37
    		Buy Now
    TPS1101PWR Digi-Reel 1
    • 1 $2.37
    • 10 $2.37
    • 100 $2.37
    • 1000 $2.37
    • 10000 $2.37
    		Buy Now
    Mouser Electronics TPS1101PWR
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 $0.866
    		Get Quote
    Verical TPS1101PWR 2,000 332
    • 1 -
    • 10 -
    • 100 -
    • 1000 $1.0226
    • 10000 $1.0226
    		Buy Now
    TPS1101PWR 1,000 332
    • 1 -
    • 10 -
    • 100 -
    • 1000 $1.0226
    • 10000 $1.0226
    		Buy Now
    Rochester Electronics TPS1101PWR 3,000 1
    • 1 $0.9625
    • 10 $0.9625
    • 100 $0.9048
    • 1000 $0.8181
    • 10000 $0.8181
    		Buy Now

    TPS1101 Datasheets (33)

    Part ECAD Model Manufacturer Description Curated Datasheet Type PDF
    TPS1101 Texas Instruments SINGLE P-CHANNEL ENHANCEMENT-MODE MOSFETS Original PDF
    TPS1101D Texas Instruments FETs - Single, Discrete Semiconductor Products, MOSFET P-CH 15V 2.3A 8-SOIC Original PDF
    TPS1101D Texas Instruments TRANS MOSFET P-CH 15V 2.3A 8SOIC Original PDF
    TPS1101D Texas Instruments Single P-Channel Enhancement-Mode MOSFET Original PDF
    TPS1101D Texas Instruments Single P-channel Enhancement-Mode MOSFET 8-SOIC Original PDF
    TPS1101DG4 Texas Instruments FETs - Single, Discrete Semiconductor Products, MOSFET P-CH 15V 2.3A 8-SOIC Original PDF
    TPS1101DG4 Texas Instruments Single P-channel Enhancement-Mode MOSFET Original PDF
    TPS1101DG4 Texas Instruments Single P-channel Enhancement-Mode MOSFET 8-SOIC Original PDF
    TPS1101DR Texas Instruments FETs - Single, Discrete Semiconductor Products, MOSFET P-CH 15V 2.3A 8-SOIC Original PDF
    TPS1101DR Texas Instruments TRANS MOSFET P-CH 15V 2.3A 8SOIC T/R Original PDF
    TPS1101DR Texas Instruments Single P-Channel Enhancement-Mode MOSFET Original PDF
    TPS1101DR Texas Instruments Single P-channel Enhancement-Mode MOSFET 8-SOIC Original PDF
    TPS1101DRG4 Texas Instruments FETs - Single, Discrete Semiconductor Products, MOSFET P-CH 15V 2.3A 8-SOIC Original PDF
    TPS1101DRG4 Texas Instruments TRANS MOSFET P-CH 15V 2.3A 8SOIC T/R Original PDF
    TPS1101DRG4 Texas Instruments Single P-channel Enhancement-Mode MOSFET 8-SOIC Original PDF
    TPS1101DW Texas Instruments SINGLE P-CHANNEL ENHANCEMENT-MODE MOSFETS Original PDF
    TPS1101PW Texas Instruments TPS1101 - TRANSISTOR 2180 mA, 15 V, P-CHANNEL, Si, SMALL SIGNAL, MOSFET, FET General Purpose Small Signal Original PDF
    TPS1101PW Texas Instruments SINGLE P-CHANNEL ENHANCEMENT-MODE MOSFETS Original PDF
    TPS1101PWLE Texas Instruments TRANS MOSFET P-CH 15V 2.3A 16TSSOP T/R Original PDF
    TPS1101PWLE Texas Instruments Single P-Channel Enhancement-Mode MOSFET Original PDF

    TPS1101 Datasheets Context Search

    Catalog Datasheet MFG & Type PDF Document Tags

    232-400

    Abstract: P-Channel Enhancement FET TPS1100Y TPS1101 TPS1101D TPS1101DR TPS1101PWLE TPS1101Y
    Text: TPS1101, TPS1101Y SINGLE P-CHANNEL ENHANCEMENT-MODE MOSFETS SLVS079C – DECEMBER 1993 – REVISED AUGUST 1995 • • • • • • • Low rDS on . . . 0.09 Ω Typ at VGS = – 10 V 3 V Compatible Requires No External VCC TTL and CMOS Compatible Inputs


    Original     		PDF TPS1101, TPS1101Y SLVS079C MIL-STD-883C, TPS1101 232-400 P-Channel Enhancement FET TPS1100Y TPS1101D TPS1101DR TPS1101PWLE TPS1101Y

    Untitled

    Abstract: No abstract text available
    Text: TPS1101, TPS1101Y SINGLE P-CHANNEL ENHANCEMENT-MODE MOSFETS SLVS079C – DECEMBER 1993 – REVISED AUGUST 1995 D D D D D D D Low rDS on . . . 0.09 Ω Typ at VGS = – 10 V 3 V Compatible Requires No External VCC TTL and CMOS Compatible Inputs VGS(th) = – 1.5 V Max


    Original     		PDF TPS1101, TPS1101Y SLVS079C MIL-STD-883C, TPS1101 slvs079c TPS1101D TPS1101DR TPS1101PWLE

    TPS1101

    Abstract: No abstract text available
    Text: TPS1101, TPS1101Y SINGLE P-CHANNEL ENHANCEMENT-MODE MOSFETS SLVS079C – DECEMBER 1993 – REVISED AUGUST 1995 D D D D D D D Low rDS on . . . 0.09 Ω Typ at VGS = – 10 V 3 V Compatible Requires No External VCC TTL and CMOS Compatible Inputs VGS(th) = – 1.5 V Max


    Original     		PDF TPS1101, TPS1101Y SLVS079C MIL-STD-883C, TPS1101

    TPS1100Y

    Abstract: TPS1101 TPS1101D TPS1101DG4 TPS1101DR TPS1101DRG4 TPS1101PWLE TPS1101Y
    Text: TPS1101, TPS1101Y SINGLE P-CHANNEL ENHANCEMENT-MODE MOSFETS SLVS079C – DECEMBER 1993 – REVISED AUGUST 1995 D D D D D D D Low rDS on . . . 0.09 Ω Typ at VGS = – 10 V 3 V Compatible Requires No External VCC TTL and CMOS Compatible Inputs VGS(th) = – 1.5 V Max


    Original     		PDF TPS1101, TPS1101Y SLVS079C MIL-STD-883C, TPS1101 TPS1100Y TPS1101D TPS1101DG4 TPS1101DR TPS1101DRG4 TPS1101PWLE TPS1101Y

    TPS1100Y

    Abstract: TPS1101 TPS1101D TPS1101DR TPS1101PWLE TPS1101PWR TPS1101Y
    Text: TPS1101, TPS1101Y SINGLE P-CHANNEL ENHANCEMENT-MODE MOSFETS SLVS079C – DECEMBER 1993 – REVISED AUGUST 1995 D D D D D D D Low rDS on . . . 0.09 Ω Typ at VGS = – 10 V 3 V Compatible Requires No External VCC TTL and CMOS Compatible Inputs VGS(th) = – 1.5 V Max


    Original     		PDF TPS1101, TPS1101Y SLVS079C MIL-STD-883C, TPS1101 TPS1100Y TPS1101D TPS1101DR TPS1101PWLE TPS1101PWR TPS1101Y

    TPS1100Y

    Abstract: TPS1101 TPS1101D TPS1101DG4 TPS1101DR TPS1101DRG4 TPS1101PWLE TPS1101Y
    Text: TPS1101, TPS1101Y SINGLE P-CHANNEL ENHANCEMENT-MODE MOSFETS SLVS079C – DECEMBER 1993 – REVISED AUGUST 1995 D D D D D D D Low rDS on . . . 0.09 Ω Typ at VGS = – 10 V 3 V Compatible Requires No External VCC TTL and CMOS Compatible Inputs VGS(th) = – 1.5 V Max


    Original     		PDF TPS1101, TPS1101Y SLVS079C MIL-STD-883C, TPS1101 TPS1100Y TPS1101D TPS1101DG4 TPS1101DR TPS1101DRG4 TPS1101PWLE TPS1101Y

    Untitled

    Abstract: No abstract text available
    Text: TPS1101, TPS1101Y SINGLE P-CHANNEL ENHANCEMENT-MODE MOSFETS SLVS079C – DECEMBER 1993 – REVISED AUGUST 1995 D D D D D D D Low rDS on . . . 0.09 Ω Typ at VGS = – 10 V 3 V Compatible Requires No External VCC TTL and CMOS Compatible Inputs VGS(th) = – 1.5 V Max


    Original     		PDF TPS1101, TPS1101Y SLVS079C MIL-STD-883C, TPS1101

    TPS1101DG4

    Abstract: TPS1100Y TPS1101 TPS1101D TPS1101DR TPS1101DRG4 TPS1101PWLE TPS1101Y
    Text: TPS1101, TPS1101Y SINGLE P-CHANNEL ENHANCEMENT-MODE MOSFETS SLVS079C – DECEMBER 1993 – REVISED AUGUST 1995 D D D D D D D Low rDS on . . . 0.09 Ω Typ at VGS = – 10 V 3 V Compatible Requires No External VCC TTL and CMOS Compatible Inputs VGS(th) = – 1.5 V Max


    Original     		PDF TPS1101, TPS1101Y SLVS079C MIL-STD-883C, TPS1101 TPS1101DG4 TPS1100Y TPS1101D TPS1101DR TPS1101DRG4 TPS1101PWLE TPS1101Y

    Untitled

    Abstract: No abstract text available
    Text: TPS1101, TPS1101Y SINGLE P-CHANNEL ENHANCEMENT-MODE MOSFETS SLVS079C – DECEMBER 1993 – REVISED AUGUST 1995 D D D D D D D Low rDS on . . . 0.09 Ω Typ at VGS = – 10 V 3 V Compatible Requires No External VCC TTL and CMOS Compatible Inputs VGS(th) = – 1.5 V Max


    Original     		PDF TPS1101, TPS1101Y SLVS079C MIL-STD-883C, TPS1101

    Untitled

    Abstract: No abstract text available
    Text: TPS1101, TPS1101Y SINGLE P-CHANNEL ENHANCEMENT-MODE MOSFETS SLVS079C – DECEMBER 1993 – REVISED AUGUST 1995 D D D D D D D Low rDS on . . . 0.09 Ω Typ at VGS = – 10 V 3 V Compatible Requires No External VCC TTL and CMOS Compatible Inputs VGS(th) = – 1.5 V Max


    Original     		PDF TPS1101, TPS1101Y SLVS079C MIL-STD-883C, TPS1101

    TPS1100Y

    Abstract: TPS1101 TPS1101D TPS1101DR TPS1101PWLE TPS1101Y
    Text: TPS1101, TPS1101Y SINGLE P-CHANNEL ENHANCEMENT-MODE MOSFETS SLVS079C – DECEMBER 1993 – REVISED AUGUST 1995 D D D D D D D Low rDS on . . . 0.09 Ω Typ at VGS = – 10 V 3 V Compatible Requires No External VCC TTL and CMOS Compatible Inputs VGS(th) = – 1.5 V Max


    Original     		PDF TPS1101, TPS1101Y SLVS079C MIL-STD-883C, TPS1101 TPS1100Y TPS1101D TPS1101DR TPS1101PWLE TPS1101Y

    TPS1100Y

    Abstract: TPS1101 TPS1101D TPS1101DG4 TPS1101DR TPS1101DRG4 TPS1101PWLE TPS1101Y
    Text: TPS1101, TPS1101Y SINGLE P-CHANNEL ENHANCEMENT-MODE MOSFETS SLVS079C – DECEMBER 1993 – REVISED AUGUST 1995 D D D D D D D Low rDS on . . . 0.09 Ω Typ at VGS = – 10 V 3 V Compatible Requires No External VCC TTL and CMOS Compatible Inputs VGS(th) = – 1.5 V Max


    Original     		PDF TPS1101, TPS1101Y SLVS079C MIL-STD-883C, TPS1101 TPS1100Y TPS1101D TPS1101DG4 TPS1101DR TPS1101DRG4 TPS1101PWLE TPS1101Y

    Untitled

    Abstract: No abstract text available
    Text: TPS1101, TPS1101Y SINGLE P-CHANNEL ENHANCEMENT-MODE MOSFETS SLVS079C – DECEMBER 1993 – REVISED AUGUST 1995 D D D D D D D Low rDS on . . . 0.09 Ω Typ at VGS = – 10 V 3 V Compatible Requires No External VCC TTL and CMOS Compatible Inputs VGS(th) = – 1.5 V Max


    Original     		PDF TPS1101, TPS1101Y SLVS079C MIL-STD-883C, TPS1101

    Untitled

    Abstract: No abstract text available
    Text: TPS1101, TPS1101Y SINGLE P-CHANNEL ENHANCEMENT-MODE MOSFETS SLVS079C – DECEMBER 1993 – REVISED AUGUST 1995 D D D D D D D Low rDS on . . . 0.09 Ω Typ at VGS = – 10 V 3 V Compatible Requires No External VCC TTL and CMOS Compatible Inputs VGS(th) = – 1.5 V Max


    Original     		PDF TPS1101, TPS1101Y SLVS079C MIL-STD-883C, TPS1101

    107M010R0100

    Abstract: TL5001G T50-26B TSP1101 IRT 1250 TL5001
    Text: UNISONIC TECHNOLOGIES CO., LTD TL5001 LINEAR INTEGRATED CIRCUIT PULSE-WIDTH-MODULATION CONTROL CIRCUITS „ DESCRIPTION The UTC TL5001 incorporates on a single monolithic chip all the functions required for a pulse width modulation PWM control circuit. Designed primarily for power-supply control, It contains an error


    Original     		PDF TL5001 TL5001 QW-R103-016 107M010R0100 TL5001G T50-26B TSP1101 IRT 1250

    IRT 1250

    Abstract: SLVS084F TL5001 TL5001A
    Text: TL5001, TL5001A PULSE-WIDTH-MODULATION CONTROL CIRCUITS SLVS084F – APRIL 1994 – REVISED JANUARY 2002 1 8 2 7 3 6 4 5 GND RT DTC SCP 3 2 1 20 19 NC GND FK PACKAGE TOP VIEW NC D OUT VCC COMP FB OUT D D, JG OR P PACKAGE (TOP VIEW) Complete PWM Power Control


    Original     		PDF TL5001, TL5001A SLVS084F TL5001A) IRT 1250 SLVS084F TL5001 TL5001A

    IRT 1250

    Abstract: TL5001C Pulse-Width-Modulation Control Circuit tl5001 datasheet TL5001 TL5001A block schematic tl5001 TL5001AC MCER001A
    Text: TL5001, TL5001A PULSE-WIDTH-MODULATION CONTROL CIRCUITS SLVS084E – APRIL 1994 – REVISED OCTOBER 1999 1 8 2 7 3 6 4 5 GND RT DTC SCP description 3 2 1 20 19 NC GND FK PACKAGE TOP VIEW NC D OUT VCC COMP FB OUT D D, JG OR P PACKAGE (TOP VIEW) Complete PWM Power Control


    Original     		PDF TL5001, TL5001A SLVS084E TL5001A) IRT 1250 TL5001C Pulse-Width-Modulation Control Circuit tl5001 datasheet TL5001 TL5001A block schematic tl5001 TL5001AC MCER001A

    diode d21

    Abstract: schaltregler Dioden Tabelle schaltungen SN74LV SN7400 SN74ABT SN74LS SN7hc
    Text: EB222 Baugruppenwechsel EB222 Baugruppenwechsel bei laufenden Systemen Verfasser: Eilhard Haseloff Datum: November 1995 Rev.: * 1 Applikationslabor EB222 Baugruppenwechsel Der Wechsel von Baugruppen in elektronischen Systemen bei eingeschalteter Versorgungsspannung ist heute bei vielen Anwendungen eine unbedingte


    Original     		PDF EB222 diode d21 schaltregler Dioden Tabelle schaltungen SN74LV SN7400 SN74ABT SN74LS SN7hc

    smoke alarm ic 555

    Abstract: carbon monoxide detector dv2057 fujitsu polymer high power fet audio amplifier schematic SCHEMATIC POWER AUDIO MOSFET TPS61000EVM-156 UNIV-OPAMP Audio Power Amplifiers BQ2000 charger
    Text: T H E W O R L D L E A D E R D S P I N A N A L O G A N D TM AN ANALOG AND MIXED-SIGNAL PRODUCT CATALOG this issue: Order the latest tools for wireless handset designs. See enclosed reply card for details. 4Q 2000 Internet-Ready Wireless Handsets Issue 1 Au d i o Po w e r


    Original     		PDF 700-mW SC-70 TMS320C55x, TMS320LC54x, SLOT133 smoke alarm ic 555 carbon monoxide detector dv2057 fujitsu polymer high power fet audio amplifier schematic SCHEMATIC POWER AUDIO MOSFET TPS61000EVM-156 UNIV-OPAMP Audio Power Amplifiers BQ2000 charger

    Simple PSpice Models Let You Simulate Common Battery

    Abstract: 220 microfarad 12v capacitor inductors 33 micro henry transistor 2S D 716 inductors 10 micro henry 330 micro henry MEPCO electra 104 TANTALUM capacitor Cer cap 100uf 4600 fet transistor
    Text: TECHNICAL INFORMATION INCREASING RELIABILITY OF SMD TANTALUM CAPACITORS IN LOW IMPEDANCE APPLICATIONS by David Mattingly Applications Engineer Myrtle Beach, SC Abstract: High dv/dt conditions in low impedance circuits using surface mount tantalum capacitors is discussed.


    Original     		PDF 5M994-N Simple PSpice Models Let You Simulate Common Battery 220 microfarad 12v capacitor inductors 33 micro henry transistor 2S D 716 inductors 10 micro henry 330 micro henry MEPCO electra 104 TANTALUM capacitor Cer cap 100uf 4600 fet transistor

    factors on which internal internal resistance of a cell depends experiment

    Abstract: Simple PSpice Models Let You Simulate Common Battery 104 TANTALUM capacitor nec capacitor 220 microfarad A 16V avx taj MOSFET 2906 100NS LTC1154 22UF 47UH
    Text: TECHNICAL INFORMATION INCREASING RELIABILITY OF SMD TANTALUM CAPACITORS IN LOW IMPEDANCE APPLICATIONS by David Mattingly Applications Engineer Myrtle Beach, SC Abstract: High dv/dt conditions in low impedance circuits using surface mount tantalum capacitors is discussed.


    Original     		PDF 5M994-N factors on which internal internal resistance of a cell depends experiment Simple PSpice Models Let You Simulate Common Battery 104 TANTALUM capacitor nec capacitor 220 microfarad A 16V avx taj MOSFET 2906 100NS LTC1154 22UF 47UH

    Untitled

    Abstract: No abstract text available
    Text: TL5001, TL5001A PULSE-WIDTH-MODULATION CONTROL CIRCUITS SLVS084F – APRIL 1994 – REVISED JANUARY 2002 1 8 2 7 3 6 4 5 GND RT DTC SCP 3 2 1 20 19 NC GND FK PACKAGE TOP VIEW NC D OUT VCC COMP FB OUT D D, JG OR P PACKAGE (TOP VIEW) Complete PWM Power Control


    Original     		PDF TL5001, TL5001A SLVS084F TL5001A)

    Untitled

    Abstract: No abstract text available
    Text: TL5001A-Q1 www.ti.com . SLVS603B – AUGUST 2005 – REVISED FEBRUARY 2009 PULSE-WIDTH-MODULATION CONTROL CIRCUITS


    Original     		PDF TL5001A-Q1 SLVS603B

    tl028

    Abstract: tl494 application power supply with uc3842, tl431, 4n35 TL494 push-pull DC-dc converter h-bridge tl494 SLVA001A BS-1134 tsp53c30 optocoupler mct2e image half bridge TL494
    Text: Texas Instruments Mixed-Signal & Analog InfoNavigator Selection Guide July 1997 Texas Instruments Mixed-Signal & Analog InfoNavigator Selection Guide PDF format July 1997 1 Texas Instruments Mixed-Signal & Analog InfoNavigator Selection Guide July 1997 ADVANCED SERIAL BUS SOLUTIONS


    Original     		PDF SN75LBC771 SN75LBC773 SN75LBC775 SN75LBC776 SN75LBC777 TSB11C01 TSB11LV01 TSB12C01A TSB12LV21A TSB12LV31 tl028 tl494 application power supply with uc3842, tl431, 4n35 TL494 push-pull DC-dc converter h-bridge tl494 SLVA001A BS-1134 tsp53c30 optocoupler mct2e image half bridge TL494