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

    SN74HC158N Search Results

    SN74HC158N Result Highlights (3)

    Part ECAD Model Manufacturer Description Download Buy
    SN74HC158NE4 Texas Instruments Quadruple 2-Line To 1-Line Data Selectors/Multiplexers 16-PDIP -40 to 85 Visit Texas Instruments Buy
    SN74HC158NSR Texas Instruments Quadruple 2-Line To 1-Line Data Selectors/Multiplexers 16-SO -40 to 85 Visit Texas Instruments Buy
    SN74HC158N Texas Instruments Quadruple 2-Line To 1-Line Data Selectors/Multiplexers 16-PDIP -40 to 85 Visit Texas Instruments Buy
    SF Impression Pixel

    SN74HC158N Price and Stock

    Texas Instruments SN74HC158NSR

    IC MULTIPLEXER 4 X 2:1 16SO
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    DigiKey SN74HC158NSR Digi-Reel 1,481 1
    • 1 $0.68
    • 10 $0.481
    • 100 $0.3776
    • 1000 $0.32327
    • 10000 $0.32327
    Buy Now
    SN74HC158NSR Cut Tape 1,481 1
    • 1 $0.68
    • 10 $0.481
    • 100 $0.3776
    • 1000 $0.32327
    • 10000 $0.32327
    Buy Now
    SN74HC158NSR Reel 2,000
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 $0.29479
    Buy Now
    Mouser Electronics SN74HC158NSR
    • 1 $0.68
    • 10 $0.432
    • 100 $0.352
    • 1000 $0.324
    • 10000 $0.289
    Get Quote
    Rochester Electronics SN74HC158NSR 14,593 1
    • 1 $0.3
    • 10 $0.3
    • 100 $0.282
    • 1000 $0.255
    • 10000 $0.255
    Buy Now

    Texas Instruments SN74HC158N

    IC MULTIPLEXER 4 X 2:1 16DIP
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    DigiKey SN74HC158N Tube 920 1
    • 1 $0.55
    • 10 $0.387
    • 100 $0.3016
    • 1000 $0.25675
    • 10000 $0.23879
    Buy Now
    Mouser Electronics SN74HC158N 1,085
    • 1 $0.54
    • 10 $0.347
    • 100 $0.28
    • 1000 $0.262
    • 10000 $0.227
    Buy Now
    Bristol Electronics SN74HC158N 176 7
    • 1 -
    • 10 $0.75
    • 100 $0.375
    • 1000 $0.225
    • 10000 $0.225
    Buy Now
    SN74HC158N 99
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 -
    Get Quote
    Quest Components SN74HC158N 140
    • 1 $1
    • 10 $0.5
    • 100 $0.3
    • 1000 $0.3
    • 10000 $0.3
    Buy Now
    SN74HC158N 64
    • 1 $0.642
    • 10 $0.5136
    • 100 $0.321
    • 1000 $0.321
    • 10000 $0.321
    Buy Now
    SN74HC158N 59
    • 1 $0.696
    • 10 $0.5568
    • 100 $0.4176
    • 1000 $0.4176
    • 10000 $0.4176
    Buy Now
    SN74HC158N 19
    • 1 $0.98
    • 10 $0.784
    • 100 $0.441
    • 1000 $0.441
    • 10000 $0.441
    Buy Now
    SN74HC158N 13
    • 1 $0.474
    • 10 $0.474
    • 100 $0.395
    • 1000 $0.395
    • 10000 $0.395
    Buy Now
    Rochester Electronics SN74HC158N 21,720 1
    • 1 $0.2361
    • 10 $0.2361
    • 100 $0.2219
    • 1000 $0.2007
    • 10000 $0.2007
    Buy Now
    TME SN74HC158N 940 3
    • 1 -
    • 10 $0.364
    • 100 $0.291
    • 1000 $0.237
    • 10000 $0.237
    Buy Now
    ComSIT USA SN74HC158N 359
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 -
    Get Quote

    Rochester Electronics LLC SN74HC158N

    SN74HC158 QUADRUPLE 2-LINE TO 1-
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    DigiKey SN74HC158N Bulk 1,222
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 $0.25
    Buy Now

    Texas Instruments SN74HC158NE4

    QUADRUPLE 2-LINE TO 1-LINE DATA
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    DigiKey SN74HC158NE4 Tube 1,000
    • 1 -
    • 10 -
    • 100 -
    • 1000 $0.30049
    • 10000 $0.30049
    Buy Now
    Mouser Electronics SN74HC158NE4 1,356
    • 1 $0.65
    • 10 $0.567
    • 100 $0.434
    • 1000 $0.274
    • 10000 $0.223
    Buy Now

    Rochester Electronics LLC SN74HC158NSR

    IC MULTIPLEXER 4 X 2:1 16SO
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    DigiKey SN74HC158NSR Bulk 962
    • 1 -
    • 10 -
    • 100 -
    • 1000 $0.31
    • 10000 $0.31
    Buy Now

    SN74HC158N Datasheets (21)

    Part ECAD Model Manufacturer Description Curated Datasheet Type PDF
    SN74HC158N Texas Instruments QUADRUPLE 2-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS Original PDF
    SN74HC158N Texas Instruments Quadruple 2-Line To 1-Line Data Selectors/Multiplexers 16-PDIP -40 to 85 Original PDF
    SN74HC158N Texas Instruments Quadruple 2 Line to 1 Line Data Selectors/Multiplexers Original PDF
    SN74HC158N Texas Instruments SN74HC158 - Quadruple 2-Line To 1-Line Data Selectors/Multiplexers 16-PDIP -40 to 85 Original PDF
    SN74HC158N Unknown Historical semiconductor price guide (US$ - 1998). From our catalog scanning project. Historical PDF
    SN74HC158N Texas Instruments QUADRUPLE 2-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS Scan PDF
    SN74HC158N-00 Texas Instruments SN74HC158 - IC HC/UH SERIES, QUAD 2 LINE TO 1 LINE MULTIPLEXER, INVERTED OUTPUT, PDIP16, Multiplexer/Demultiplexer Original PDF
    SN74HC158N-10 Texas Instruments SN74HC158 - IC HC/UH SERIES, QUAD 2 LINE TO 1 LINE MULTIPLEXER, INVERTED OUTPUT, PDIP16, Multiplexer/Demultiplexer Original PDF
    SN74HC158NE4 Texas Instruments Quadruple 2-Line To 1-Line Data Selectors/Multiplexers Original PDF
    SN74HC158NE4 Texas Instruments Quadruple 2-Line To 1-Line Data Selectors/Multiplexers 16-PDIP -40 to 85 Original PDF
    SN74HC158NE4 Texas Instruments SN74HC158 - Quadruple 2-Line To 1-Line Data Selectors/Multiplexers 16-PDIP -40 to 85 Original PDF
    SN74HC158NG4 Texas Instruments Integrated Circuits (ICs) - Logic - Signal Switches, Multiplexers, Decoders - IC SELECTOR/MUX QUAD 2-1 16-DIP Original PDF
    SN74HC158NSR Texas Instruments Quadruple 2 Line to 1 Line Data Selectors/Multiplexers Original PDF
    SN74HC158NSR Texas Instruments Quadruple 2-Line To 1-Line Data Selectors/Multiplexers Original PDF
    SN74HC158NSR Texas Instruments Quadruple 2-Line To 1-Line Data Selectors/Multiplexers 16-SO -40 to 85 Original PDF
    SN74HC158NSR Texas Instruments SN74HC158 - Quadruple 2-Line To 1-Line Data Selectors/Multiplexers 16-SO -40 to 85 Original PDF
    SN74HC158NSRE4 Texas Instruments Quadruple 2-Line To 1-Line Data Selectors/Multiplexers 16-SO -40 to 85 Original PDF
    SN74HC158NSRE4 Texas Instruments Quadruple 2-Line To 1-Line Data Selectors/Multiplexers Original PDF
    SN74HC158NSRE4 Texas Instruments SN74HC158 - Quadruple 2-Line To 1-Line Data Selectors/Multiplexers 16-SO -40 to 85 Original PDF
    SN74HC158NSRG4 Texas Instruments Quadruple 2-Line To 1-Line Data Selectors/Multiplexers 16-SO -40 to 85 Original PDF

    SN74HC158N Datasheets Context Search

    Catalog Datasheet MFG & Type Document Tags PDF

    Untitled

    Abstract: No abstract text available
    Text: SN54HC158, SN74HC158 QUADRUPLE 2-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS SCLS296C – JANUARY 1996 – REVISED DECEMBER 2002 D D D D D D Wide Operating Voltage Range of 2 V to 6 V Outputs Can Drive Up To 15 LSTTL Loads Low Power Consumption, 80-µA Max ICC


    Original
    SN54HC158, SN74HC158 SCLS296C SN54HC158 SN74HC158 PDF

    5555 FAIRCHILD optocoupler

    Abstract: MC74HC374N 74hc14n equivalent NC7S125M5 14069 HCF4541BEY APPLICATION HCF4013BE 4026 fairchild datasheet 14543 motorola Motorola DM74LS139N
    Text: R E L I A B L E . L O G I C . I N N O V A T I O N . Logic Cross-Reference Logic Cross-Reference 2003 Texas Instruments Printed in the U.S.A. by Texoma Business Forms, Durant, Oklahoma Printed on recycled paper. SCYB017A NEW First Revision Logic Cross-Reference


    Original
    SCYB017A A010203 5555 FAIRCHILD optocoupler MC74HC374N 74hc14n equivalent NC7S125M5 14069 HCF4541BEY APPLICATION HCF4013BE 4026 fairchild datasheet 14543 motorola Motorola DM74LS139N PDF

    Untitled

    Abstract: No abstract text available
    Text: SN54HC158, SN74HC158 QUADRUPLE 2-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS SCLS296B – JANUARY 1996 – REVISED JUNE 2000 D SN54HC158 . . . J OR W PACKAGE SN74HC158 . . . D, N, OR PW PACKAGE TOP VIEW Package Options Include Plastic Small-Outline (D), Thin Shrink


    Original
    SN54HC158, SN74HC158 SCLS296B SN54HC158 SN74HC158 HC158 SN54HC158 SN74HC158N SN74HC158NSR SN74HC158PWR PDF

    Untitled

    Abstract: No abstract text available
    Text: SN54HC158, SN74HC158 QUADRUPLE 2ĆLINE TO 1ĆLINE DATA SELECTORS/MULTIPLEXERS SCLS296D − JANUARY 1996 − REVISED OCTOBER 2003 D Wide Operating Voltage Range of 2 V to 6 V D Outputs Can Drive Up To 15 LSTTL Loads D Low Power Consumption, 80-µA Max ICC D Typical tpd = 11 ns


    Original
    SN54HC158, SN74HC158 SCLS296D SN54HC158 SN74HC158 PDF

    Untitled

    Abstract: No abstract text available
    Text: SN54HC158, SN74HC158 QUADRUPLE 2ĆLINE TO 1ĆLINE DATA SELECTORS/MULTIPLEXERS SCLS296D − JANUARY 1996 − REVISED OCTOBER 2003 D Wide Operating Voltage Range of 2 V to 6 V D Outputs Can Drive Up To 15 LSTTL Loads D Low Power Consumption, 80-µA Max ICC D Typical tpd = 11 ns


    Original
    SN54HC158, SN74HC158 SCLS296D SN54HC158 SN74HC158 PDF

    Untitled

    Abstract: No abstract text available
    Text: SN54HC158, SN74HC158 QUADRUPLE 2ĆLINE TO 1ĆLINE DATA SELECTORS/MULTIPLEXERS SCLS296D − JANUARY 1996 − REVISED OCTOBER 2003 D Wide Operating Voltage Range of 2 V to 6 V D Outputs Can Drive Up To 15 LSTTL Loads D Low Power Consumption, 80-µA Max ICC D Typical tpd = 11 ns


    Original
    SN54HC158, SN74HC158 SCLS296D SN54HC158 SN74HC158 PDF

    HC158

    Abstract: SN54HC158 SN74HC158 SN74HC158D SN74HC158DR SN74HC158DT SN74HC158N SN74HC158NSR SN74HC158PW
    Text: SN54HC158, SN74HC158 QUADRUPLE 2ĆLINE TO 1ĆLINE DATA SELECTORS/MULTIPLEXERS SCLS296D − JANUARY 1996 − REVISED OCTOBER 2003 D Wide Operating Voltage Range of 2 V to 6 V D Outputs Can Drive Up To 15 LSTTL Loads D Low Power Consumption, 80-µA Max ICC D Typical tpd = 11 ns


    Original
    SN54HC158, SN74HC158 SCLS296D SN54HC158 SN74HD HC158 SN54HC158 SN74HC158 SN74HC158D SN74HC158DR SN74HC158DT SN74HC158N SN74HC158NSR SN74HC158PW PDF

    SN74HC158D

    Abstract: SN74HC158DR SN74HC158DT SN74HC158N SN74HC158NSR SN74HC158PW HC158 SN54HC158 SN74HC158
    Text: SN54HC158, SN74HC158 QUADRUPLE 2ĆLINE TO 1ĆLINE DATA SELECTORS/MULTIPLEXERS SCLS296D − JANUARY 1996 − REVISED OCTOBER 2003 D Wide Operating Voltage Range of 2 V to 6 V D Outputs Can Drive Up To 15 LSTTL Loads D Low Power Consumption, 80-µA Max ICC D Typical tpd = 11 ns


    Original
    SN54HC158, SN74HC158 SCLS296D SN54HC158 SN74Hplifiers SN74HC158D SN74HC158DR SN74HC158DT SN74HC158N SN74HC158NSR SN74HC158PW HC158 SN54HC158 SN74HC158 PDF

    CD4558

    Abstract: NC7S125 MC74F138N HCF4541 Motorola MC74HC251N 74ACT161 DHVQFN-20 74V1G08 SOT323/5 HCF4017 SN74ACT14DR
    Text: Logic Cross-Reference Introduction This Logic Cross-Reference for Buyers, Distribution Specialists and others with an interest in Logic will assist in finding a device made by Texas Instruments that is identical or similar to many of our competitors’ Logic products.


    Original
    74ABT16244 A010203 53001cov SCYB017 CD4558 NC7S125 MC74F138N HCF4541 Motorola MC74HC251N 74ACT161 DHVQFN-20 74V1G08 SOT323/5 HCF4017 SN74ACT14DR PDF

    Untitled

    Abstract: No abstract text available
    Text: SN54HC158, SN74HC158 QUADRUPLE 2ĆLINE TO 1ĆLINE DATA SELECTORS/MULTIPLEXERS SCLS296D − JANUARY 1996 − REVISED OCTOBER 2003 D Wide Operating Voltage Range of 2 V to 6 V D Outputs Can Drive Up To 15 LSTTL Loads D Low Power Consumption, 80-µA Max ICC D Typical tpd = 11 ns


    Original
    SN54HC158, SN74HC158 SCLS296D SN54HC158 SN74HC158 sdyu001x sgyc003d SN74HC4851/HC4852 scyb019b PDF

    HC158

    Abstract: SN54HC158 SN74HC158 SN74HC158D SN74HC158DR SN74HC158DT SN74HC158N SN74HC158NSR SN74HC158PW
    Text: SN54HC158, SN74HC158 QUADRUPLE 2ĆLINE TO 1ĆLINE DATA SELECTORS/MULTIPLEXERS SCLS296D − JANUARY 1996 − REVISED OCTOBER 2003 D Wide Operating Voltage Range of 2 V to 6 V D Outputs Can Drive Up To 15 LSTTL Loads D Low Power Consumption, 80-µA Max ICC D Typical tpd = 11 ns


    Original
    SN54HC158, SN74HC158 SCLS296D SN54HC158 SN74Htrollers HC158 SN54HC158 SN74HC158 SN74HC158D SN74HC158DR SN74HC158DT SN74HC158N SN74HC158NSR SN74HC158PW PDF

    HC158

    Abstract: SN54HC158 SN74HC158 SN74HC158D SN74HC158DR SN74HC158N SN74HC158NSR SN74HC158PWR SNJ54HC158J
    Text: SN54HC158, SN74HC158 QUADRUPLE 2-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS SCLS296C – JANUARY 1996 – REVISED DECEMBER 2002 D D D D D D Wide Operating Voltage Range of 2 V to 6 V Outputs Can Drive Up To 15 LSTTL Loads Low Power Consumption, 80-µA Max ICC


    Original
    SN54HC158, SN74HC158 SCLS296C SN54HC158 HC158 SN54HC158 SN74HC158 SN74HC158D SN74HC158DR SN74HC158N SN74HC158NSR SN74HC158PWR SNJ54HC158J PDF

    74ls74apc

    Abstract: HD74ls04p 74LVC1G04ady8 semiconductor AZ431BZ-AE1 HCF4060BE HEF4093BP datasheet free download ne5334 hd74hc132p dm74ls47n
    Text: Standard Linear and Logic Products Cross-Reference Introduction Notice This Standard Linear and Logic Products CrossReference will assist in finding a device made by Texas Instruments that is a drop-in or similar replacement to many of our competitors’ standard linear and logic products.


    Original
    PDF

    Untitled

    Abstract: No abstract text available
    Text: SN54HC158, SN74HC158 QUADRUPLE 2-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS SCLS296C – JANUARY 1996 – REVISED DECEMBER 2002 D D D D D D Wide Operating Voltage Range of 2 V to 6 V Outputs Can Drive Up To 15 LSTTL Loads Low Power Consumption, 80-µA Max ICC


    Original
    SN54HC158, SN74HC158 SCLS296C SN54HC158 SN74HC158 SN74HC158NSR SN74HC158PW SN74HC158PWR SN74HC158, PDF

    Untitled

    Abstract: No abstract text available
    Text: SN54HC158, SN74HC158 QUADRUPLE 2ĆLINE TO 1ĆLINE DATA SELECTORS/MULTIPLEXERS SCLS296D − JANUARY 1996 − REVISED OCTOBER 2003 D Wide Operating Voltage Range of 2 V to 6 V D Outputs Can Drive Up To 15 LSTTL Loads D Low Power Consumption, 80-µA Max ICC D Typical tpd = 11 ns


    Original
    SN54HC158, SN74HC158 SCLS296D SN54HC158 PDF

    Untitled

    Abstract: No abstract text available
    Text: SN54HC158, SN74HC158 QUADRUPLE 2ĆLINE TO 1ĆLINE DATA SELECTORS/MULTIPLEXERS SCLS296D − JANUARY 1996 − REVISED OCTOBER 2003 D Wide Operating Voltage Range of 2 V to 6 V D Outputs Can Drive Up To 15 LSTTL Loads D Low Power Consumption, 80-µA Max ICC D Typical tpd = 11 ns


    Original
    SN54HC158, SN74HC158 SCLS296D SN54HC158 SN74HC158 PDF

    HC158

    Abstract: SN54HC158 SN74HC158 SN74HC158D SN74HC158DR SN74HC158DT SN74HC158N SN74HC158NSR SN74HC158PW
    Text: SN54HC158, SN74HC158 QUADRUPLE 2ĆLINE TO 1ĆLINE DATA SELECTORS/MULTIPLEXERS SCLS296D − JANUARY 1996 − REVISED OCTOBER 2003 D Wide Operating Voltage Range of 2 V to 6 V D Outputs Can Drive Up To 15 LSTTL Loads D Low Power Consumption, 80-µA Max ICC D Typical tpd = 11 ns


    Original
    SN54HC158, SN74HC158 SCLS296D SN54HC158 SN74HAmplifiers HC158 SN54HC158 SN74HC158 SN74HC158D SN74HC158DR SN74HC158DT SN74HC158N SN74HC158NSR SN74HC158PW PDF

    Untitled

    Abstract: No abstract text available
    Text: SN54HC158, SN74HC158 QUADRUPLE 2ĆLINE TO 1ĆLINE DATA SELECTORS/MULTIPLEXERS SCLS296D − JANUARY 1996 − REVISED OCTOBER 2003 D Wide Operating Voltage Range of 2 V to 6 V D Outputs Can Drive Up To 15 LSTTL Loads D Low Power Consumption, 80-µA Max ICC D Typical tpd = 11 ns


    Original
    SN54HC158, SN74HC158 SCLS296D SN54HC158 SN74HC158 PDF

    Untitled

    Abstract: No abstract text available
    Text: SN54HC158, SN74HC158 QUADRUPLE 2ĆLINE TO 1ĆLINE DATA SELECTORS/MULTIPLEXERS SCLS296D − JANUARY 1996 − REVISED OCTOBER 2003 D Wide Operating Voltage Range of 2 V to 6 V D Outputs Can Drive Up To 15 LSTTL Loads D Low Power Consumption, 80-µA Max ICC D Typical tpd = 11 ns


    Original
    SN54HC158, SN74HC158 SCLS296D SN54HC158 SN74HC158 PDF

    Untitled

    Abstract: No abstract text available
    Text: SN54HC158, SN74HC158 QUADRUPLE 2ĆLINE TO 1ĆLINE DATA SELECTORS/MULTIPLEXERS SCLS296D − JANUARY 1996 − REVISED OCTOBER 2003 D Wide Operating Voltage Range of 2 V to 6 V D Outputs Can Drive Up To 15 LSTTL Loads D Low Power Consumption, 80-µA Max ICC D Typical tpd = 11 ns


    Original
    SN54HC158, SN74HC158 SCLS296D SN54HC158 SN74HC158 PDF

    Untitled

    Abstract: No abstract text available
    Text: SN54HC158, SN74HC158 QUADRUPLE 2ĆLINE TO 1ĆLINE DATA SELECTORS/MULTIPLEXERS SCLS296D − JANUARY 1996 − REVISED OCTOBER 2003 D Wide Operating Voltage Range of 2 V to 6 V D Outputs Can Drive Up To 15 LSTTL Loads D Low Power Consumption, 80-µA Max ICC D Typical tpd = 11 ns


    Original
    SN54HC158, SN74HC158 SCLS296D SN54HC158 PDF

    Untitled

    Abstract: No abstract text available
    Text: SN54HC158, SN74HC158 QUADRUPLE 2ĆLINE TO 1ĆLINE DATA SELECTORS/MULTIPLEXERS SCLS296D − JANUARY 1996 − REVISED OCTOBER 2003 D Wide Operating Voltage Range of 2 V to 6 V D Outputs Can Drive Up To 15 LSTTL Loads D Low Power Consumption, 80-µA Max ICC D Typical tpd = 11 ns


    Original
    SN54HC158, SN74HC158 SCLS296D SN54HC158 SN74HC158 PDF

    Untitled

    Abstract: No abstract text available
    Text: SN54HC158, SN74HC158 QUADRUPLE 2ĆLINE TO 1ĆLINE DATA SELECTORS/MULTIPLEXERS SCLS296D − JANUARY 1996 − REVISED OCTOBER 2003 D Wide Operating Voltage Range of 2 V to 6 V D Outputs Can Drive Up To 15 LSTTL Loads D Low Power Consumption, 80-µA Max ICC D Typical tpd = 11 ns


    Original
    SN54HC158, SN74HC158 SCLS296D SN54HC158 SN74HC158 PDF

    equivalent data book of 10N60 mosfet

    Abstract: MC14016CP GD4511 an-6466 CX 2859 SMD 74AC14 spice 6120* harris HCF4018be 7028 SMD Transistor spice irfbc40
    Text: $5.00 S E M I C O N D U C T O R TECHNICAL ASSISTANCE Harris Marketing Support Services HMSS , 1-800-4HARRIS HMSS provides world-class service to customers requiring information on all products offered by Harris Semiconductor. Ask Harris Marketing Support Services for answers concerning:


    OCR Scan
    1-800-4HARRIS equivalent data book of 10N60 mosfet MC14016CP GD4511 an-6466 CX 2859 SMD 74AC14 spice 6120* harris HCF4018be 7028 SMD Transistor spice irfbc40 PDF