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

    74249 Search Results

    SF Impression Pixel

    74249 Price and Stock

    TE Connectivity 1742492-1

    CONN TERM BRUSH 14-20AWG CRIMP
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    DigiKey 1742492-1 Reel 120,000
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 -
    		Buy Now
    1742492-1 Cut Tape 1
    • 1 $0.29
    • 10 $0.273
    • 100 $0.1892
    • 1000 $0.13102
    • 10000 $0.1201
    		Buy Now
    Avnet Americas 1742492-1 Reel 15 Weeks, 2 Days 120,000
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 -
    		Buy Now
    Mouser Electronics 1742492-1
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 $0.108
    		Get Quote
    Newark 1742492-1 Bulk 120,000
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 $0.133
    		Buy Now
    Interstate Connecting Components 1742492-1
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 -
    		Buy Now
    Avnet Abacus 1742492-1 36 Weeks 12,000
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 -
    		Buy Now
    Master Electronics 1742492-1
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 -
    		Buy Now
    Sager 1742492-1 6,000
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 $0.145
    		Buy Now

    TE Connectivity 1742490-1

    CONN MAG TERM 17-19AWG QC 0.250
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    DigiKey 1742490-1 Bulk 300,000
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 -
    		Buy Now
    Avnet Americas 1742490-1 Bulk 300,000
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 -
    		Buy Now
    Mouser Electronics 1742490-1
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 -
    		Get Quote
    Newark 1742490-1 Bulk 4,000 1
    • 1 $0.28
    • 10 $0.28
    • 100 $0.28
    • 1000 $0.28
    • 10000 $0.28
    		Buy Now
    Interstate Connecting Components 1742490-1
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 -
    		Buy Now
    Avnet Abacus 1742490-1 17 Weeks 30,000
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 -
    		Buy Now
    IBS Electronics 1742490-1 4,000 435
    • 1 -
    • 10 -
    • 100 -
    • 1000 $0.1525
    • 10000 $0.2025
    		Buy Now
    Master Electronics 1742490-1
    • 1 -
    • 10 -
    • 100 -
    • 1000 $0.3881
    • 10000 $0.3881
    		Buy Now
    Sager 1742490-1 1,000
    • 1 -
    • 10 -
    • 100 -
    • 1000 $0.1629
    • 10000 $0.1629
    		Buy Now

    Weidmüller Interface GmbH & Co. KG 1742490000

    TERM BLOCK PLUG 18POS 5.08MM
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    DigiKey 1742490000 Bulk 18
    • 1 -
    • 10 -
    • 100 $10.35167
    • 1000 $10.35167
    • 10000 $10.35167
    		Buy Now
    Avnet Americas 1742490000 Bulk 18
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 -
    		Get Quote
    Avnet Abacus 1742490000 143 Weeks 18
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 -
    		Buy Now

    CTS Corporation 2499-003-X5S0-102M

    EMI Feedthrough Filters 1000PF 500V 20A
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    Mouser Electronics 2499-003-X5S0-102M 94
    • 1 $26.66
    • 10 $24.99
    • 100 $21.66
    • 1000 $20.83
    • 10000 $20.83
    		Buy Now
    TTI 2499-003-X5S0-102M Kit 100
    • 1 -
    • 10 -
    • 100 $3.45
    • 1000 $3.45
    • 10000 $3.45
    		Buy Now

    Sensata Technologies 249-6-E-80-60-2-63-1

    Circuit Breakers Cir Brkr Hyd Mag
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    Mouser Electronics 249-6-E-80-60-2-63-1 1
    • 1 $803.61
    • 10 $803.61
    • 100 $803.61
    • 1000 $803.61
    • 10000 $803.61
    		Buy Now
    Find more 74249 price and stock on Findchips.com

    74249 Datasheets (2)

    Part ECAD Model Manufacturer Description Curated Datasheet Type PDF
    74249 Unknown 74 Series IC Manual - TTL, HCMOS, Advanced CMOS, Bi-CMOS Scan PDF
    74249 Unknown TTL Data Book 1980 Scan PDF

    74249 Datasheets Context Search

    Catalog Datasheet Type Document Tags PDF

    74248

    Abstract: 74249 IC 74248 74248 bcd ic 7446 IC 74249 IC 7446 A HC/74248
    Text: - BCD to 7 Segment Decoder/Driver 74249 O l_ L / riri• •1/ C LTM O NK D A i i i i +^4-1 1• Tmnrnmmirumf i i □ i_i i_ i 074248 <r>-7 /1.7 ,-f tR tX *: T t ' . ' t z f i l lt-7 o R B I, > ? IT'ftliM - B I/ R B O , Hi-;'. LT ¡ i l i 7446 *■ At ■


    OCR Scan     		PDF

    Untitled

    Abstract: No abstract text available
    Text: SKiiP 11NAB126V1 Absolute Maximum Ratings Symbol Conditions IGBT - Inverter, Chopper ,$3  ; ,$3  0 ' 12      !    0 (' 7859 1  0 (' 7859 12 ! < 4 - > Values Units 4(55 4: 74'9 &* 7&59 = (5 ,   , ? .5 ### @ 4'5 1 4. 7449


    Original     		11NAB126V1 PDF

    74ls82

    Abstract: 74245 BIDIRECTIONAL BUFFER IC 74ls150 ph 4531 diode 4583 dual schmitt trigger ic D flip flop 7474 74245 BUFFER IC ic 7483 BCD adder data sheet ic 74139 Quad 2 input nand gate cd 4093
    Text: General Features The SCxD4 series of high perform ance CM O S gate arrays offers the user the ability to realise custom ised VLSI inte­ grated circuits featuring the speed perform ance previously obtainable only with bipo lar tech nolog ies whilst retaining all


    OCR Scan     		PDF

    Untitled

    Abstract: No abstract text available
    Text: Si3475DV Vishay Siliconix P-Channel 200-V D-S MOSFET FEATURES PRODUCT SUMMARY VDS (V) - 200 RDS(on) (Ω) ID (A)a 1.61 at VGS = - 10 V - 0.95 1.65 at VGS = - 6 V - 0.93 • Halogen-free According to IEC 61249-2-21 Definition • TrenchFET Power MOSFET • 100 % Rg and UIS Tested


    Original     		Si3475DV 2002/95/EC Si3475DV-T1-E3 Si3475DV-T1-GE3 2011/65/EU 2002/95/EC. 2002/95/EC 2011/65/EU. 12-Mar-12 PDF

    74249

    Abstract: No abstract text available
    Text: Si3475DV Vishay Siliconix P-Channel 200-V D-S MOSFET FEATURES PRODUCT SUMMARY VDS (V) - 200 RDS(on) (Ω) ID (A)a 1.61 at VGS = - 10 V - 0.95 1.65 at VGS = - 6 V - 0.93 • Halogen-free According to IEC 61249-2-21 Definition • TrenchFET Power MOSFET • 100 % Rg and UIS Tested


    Original     		Si3475DV 2002/95/EC Si3475DV-T1-E3 Si3475DV-T1-GE3 2002/95/EC. 2002/95/EC 2011/65/EU. JS709A 02-Oct-12 74249 PDF

    SN74ALS123

    Abstract: SN7401 74LS424 54175 SN74298 SN74265 SN74LS630 SN74LS69 National Semiconductor Linear Data Book Transistor AF 138
    Text: INDEX • FUNCTIONAL SELECTION GUIDE • NUMERICAL FUNCTION INTERCHANGEABILITY GUIDE GENERAL INFORMATION AND EXPLANATION OF NEW LOGIC SYMBOLS ORDERING INSTRUCTIONS AND MECHANICAL DATA 54/74 SERIES OF COMPATIBLE TTL CIRCUITS • PIN OUT DIAGRAMS 54/74 FAMILY SSI CIRCUITS


    OCR Scan     		MIL-M-38510 SN74ALS123 SN7401 74LS424 54175 SN74298 SN74265 SN74LS630 SN74LS69 National Semiconductor Linear Data Book Transistor AF 138 PDF

    74249

    Abstract: Si3475DV Si3475
    Text: Si3475DV Vishay Siliconix P-Channel 200-V D-S MOSFET FEATURES PRODUCT SUMMARY VDS (V) - 200 RDS(on) (Ω) ID (A)a 1.61 at VGS = - 10 V - 0.95 1.65 at VGS = - 6 V - 0.93 • Halogen-free According to IEC 61249-2-21 Definition • TrenchFET Power MOSFET • 100 % Rg and UIS Tested


    Original     		Si3475DV 2002/95/EC Si3475DV-T1-E3 Si3475DV-T1-GE3 11-Mar-11 74249 Si3475 PDF

    7408 CMOS

    Abstract: TTL 7452 ttl 74183 LS 74141 7408, 7404, 7486, 7432 7404 7408 7432 TTL 74289 74106 CMOS 4017 series ttl 74395
    Text: KG10000 SERIES SEMI-CUSTOM CMOS GATE ARRAY CMOS SILOCON GATE ARRAY Th e KG10000 S e rie s is c o n sists o f s ilico n gate C M O S arrays w hose inte rco n n e ctio n are in itia lly u n s p e c ifie d , th e re fo re custom LSI is p ro ce sse d w ith o n ly one m ask ste p a cu sto m ize d m etal m ask a c c o rd ­


    OCR Scan     		KG10000 7408 CMOS TTL 7452 ttl 74183 LS 74141 7408, 7404, 7486, 7432 7404 7408 7432 TTL 74289 74106 CMOS 4017 series ttl 74395 PDF

    54S38

    Abstract: SN74298 SN74265 54175 NES 1004 naval specification 74L95 Transistor AF 138 07802-1 SN7437 SN54LS195A
    Text: m - G EN ER A L IN F O R M A TIO N INDEXES Numerical • Functional/Selection Guide O R D E R IN G INSTRUCTIO NS A N D M E C H A N IC A L D ATA 1 1 5 4/74 F A M IL Y SSI C IR CU ITS 2 I 54/74 F A M IL Y M S I/LSI C IR C U ITS 3 S E R IE S 29000 S S I C IR C U IT S


    OCR Scan     		38510/M D012510 D011520 D011510 54S38 SN74298 SN74265 54175 NES 1004 naval specification 74L95 Transistor AF 138 07802-1 SN7437 SN54LS195A PDF

    HP5082-7760

    Abstract: hp 4514 opto led 7 segment anode TIL 702 HP 2231 opto coupler uaa170 UAA180 equivalent seven segment to BCD converter LM 7447 IC hp 5082 4204 pin photodiode cd40288 7448 bcd to seven segment decoder
    Text: ABOUT THE AUTHORS STAN GAGE has more than 10 years' experi­ ence in the design and application of optoelec­ tronic devices and the design and processing of linear integrated circuits. DAVE EVANS has developed various contrast enhancement technologies currently being


    OCR Scan     		PDF

    74LS324

    Abstract: 7400 TTL 74LS327 7402, 7404, 7408, 7432, 7400 80C96 74251 multiplexer 74C923 equivalent Flip-Flop 7473 74LS324 equivalent 74C08 equivalent
    Text: N T E ELECTRONICS INC 17E H ^3125=1 G0G513S Q B - o S V. ! - TRANSISTOR-TRANSISTOR LOGIC INCLUDES SERIES 74C CMOS NTE TYPE NO. •DESCRIPTION . 7214 7400 74C00 74H00 74LS00 74S00 3-State Sel/Mlpx Quad 2-Input Pos Quad 2-Input Pos Quad 2-Input Pos Quad 2-Input Pos


    OCR Scan     		G0G513S 74C00 74H00 74LS00 74S00 74H01 74LS01 74C02 74LS02 74S02 74LS324 7400 TTL 74LS327 7402, 7404, 7408, 7432, 7400 80C96 74251 multiplexer 74C923 equivalent Flip-Flop 7473 74LS324 equivalent 74C08 equivalent PDF

    ic 74138

    Abstract: IC 7402, 7404, 7408, 7432, 7400 ic 74139 IC 74147 IC 74373 74148 IC IC 74374 ic 7408, 7432, 7404, 7400, 7433, 7486, 74266 IC 74245 74189
    Text: LEAPER-1 HANDY DIGITAL IC TESTER Supported Devices Features EMC Standards 1.Easy-operating Tester, particularly per 89/336/EEC be designed for the Digital IC 2.Supported Device : 74 / 40 / 45 / 41 / 44 Serial. 3.Small, portable, light and powersaving, usable with batteries.


    Original     		89/336/EEC 34kgs 5000m EN50081-1 EN50082-1 EN55022 IEC801-2 EN60555-210 40H78 ic 74138 IC 7402, 7404, 7408, 7432, 7400 ic 74139 IC 74147 IC 74373 74148 IC IC 74374 ic 7408, 7432, 7404, 7400, 7433, 7486, 74266 IC 74245 74189 PDF

    LS 7447

    Abstract: 7447 7447 BCD to 7-segment LS 7446 e LS 7447 decoder 7447 decoder 7446 7447 ls 74246 7447 BCD 7447 "BCD to 7-segment"
    Text: - 55- BCD to 7 Segment Decoder/Driver 7447 I l | » U * U " U » U « U I I_ I □ “ I i_ l □ l _ " U 7 4 1 .r U B I I l ? ! b 1 j 7446 t 7447IÌ if, 4 « A f filili o 7446 i 74246, 7447 i 74247IÌ % t L V t l 6 i ; J:t>'9 O SI/ C LTRBORBI D A b


    OCR Scan     		7447IÃ 74247IÃ M10cofirw LS 7447 7447 7447 BCD to 7-segment LS 7446 e LS 7447 decoder 7447 decoder 7446 7447 ls 74246 7447 BCD 7447 "BCD to 7-segment" PDF

    74249

    Abstract: SI3475 Si3475DV
    Text: Si3475DV Vishay Siliconix New Product P-Channel 200-V D-S MOSFET FEATURES PRODUCT SUMMARY VDS (V) - 200 rDS(on) (Ω) ID (A)a 1.61 at VGS = - 10 V - 0.95 1.65 at VGS = - 6 V - 0.93 • TrenchFET Power MOSFET • 100 % Rg and UIS Tested Qg (Typ) 8 nC RoHS


    Original     		Si3475DV Si3475DV-T1-E3 08-Apr-05 74249 SI3475 PDF

    IC 74248

    Abstract: ic 74247 IC 74LS247 74248 bcd 74248 TTL 7 segment 74ls248 SN74LS248 74LS247 74249 SN74248
    Text: TYPES SN54246 THRU SN54249, SN54LS247 THRU SN54LS249, SN74246 THRU 74249, SN74LS247 THRU SN74LS249 BCD-TO-SEVEN-SEGMENT DECODERS/DRIVERS M A R C H 1 9 7 4 — R E V IS E D D E C E M B E R 1 9 8 3 '246, '247, 'LS247 feature '248, 'L S 2 ‘;Q feature '249, 'LS249


    OCR Scan     		SN54246 SN54249, SN54LS247 SN54LS249, SN74246 SN74249, SN74LS247 SN74LS249 LS247 LS249 IC 74248 ic 74247 IC 74LS247 74248 bcd 74248 TTL 7 segment 74ls248 SN74LS248 74LS247 74249 SN74248 PDF

    Untitled

    Abstract: No abstract text available
    Text: Si3475DV Vishay Siliconix P-Channel 200-V D-S MOSFET FEATURES PRODUCT SUMMARY VDS (V) - 200 RDS(on) (Ω) ID (A)a 1.61 at VGS = - 10 V - 0.95 1.65 at VGS = - 6 V - 0.93 • Halogen-free According to IEC 61249-2-21 Definition • TrenchFET Power MOSFET • 100 % Rg and UIS Tested


    Original     		Si3475DV 2002/95/EC Si3475DV-T1-E3 Si3475DV-T1-GE3 11-Mar-11 PDF

    LEAPER-3

    Abstract: 74189 7489 sram 4N34 89C51 interfacing with lcd display ic 74192 pin configuration interfacing 20x4 LCD with 89c51 IC 74189 DATA LEAP-U1 LEAPER-10 driver
    Text: COMPANY PROFILE 1 Leap Electronic was established in 1980 located in Taipei Taiwan. With great experienced employees, Leap has dedicated on test equipment and provided a whole and perfect environment of development. Additional, the Company has been qualified by major IC manufacturer such as ATMEL, AMD, MICROCHIP, WINBOND,etc.


    Original     		PIC16C52/54/54A PIC16C55/56/57/57A/58A PIC12C508/509 PIC16C61 PIC16C620/621/622 PIC16C71/710 PIC16C62/63/64/65 PICC16C72/73/74/74A PIC16C83/84 PIC17C42/42A/43/44 LEAPER-3 74189 7489 sram 4N34 89C51 interfacing with lcd display ic 74192 pin configuration interfacing 20x4 LCD with 89c51 IC 74189 DATA LEAP-U1 LEAPER-10 driver PDF

    2.54 mm pitch BERG stick

    Abstract: concept 2114s STANDARD 2.54 PITCH BERG STICK STANDARD 2.54 PITCH BERG STICK 4 pin connector 2 mm pitch BERG stick 1251SM-02 13002 and 13003 power transistor 50 pin 2x25, 2mm pitch berg connectors PIN 11375-1 OZ 9902
    Text: ND3% BASE1 XXXX5115-0708-1-P 708 TSQ: 3001 CMS: CMS-USM TS host OP: NN COMP: 18-07-11 Hour: 16:45 TS:TS date TS time CONNECTORS & ACCESSORIES Find Datasheets Online SOCKETS – DIP/SIP AMP DIPLOMATE DUAL LEAF DL SIP SOCKETS (CONT.) SIP SOCKETS PHOSPHOR BRONZE WITH TIN PLATING


    Original     		50F2249 46F4434 46F4437 922576-20-I 922576-26-I 922576-34-I 922576-40-I 922576-50-I 65F198 65F199 2.54 mm pitch BERG stick concept 2114s STANDARD 2.54 PITCH BERG STICK STANDARD 2.54 PITCH BERG STICK 4 pin connector 2 mm pitch BERG stick 1251SM-02 13002 and 13003 power transistor 50 pin 2x25, 2mm pitch berg connectors PIN 11375-1 OZ 9902 PDF

    ic 74226

    Abstract: jk flip flop 74103 ic D flip flop 7474 7471 rs flip flop 4011 flip flop IC 7400 SERIES list Ic ttl 7490, 7493, 7495 ci 74386 7414 NOT gate ic IC LA 74141
    Text: 1SE D RICOH CORP/ ELECTRONIC 7 7 4 4bTO 0G0Q7Qt, b RICOH No. 84-01 4-1-1984 Microelectronic Specification T -tfZ -3 1 RP3G01 0 2 • A N A L O G /D IG IT A L B I- C M O S GATE ARRAYS EFFICIENCY GENERAL DESCRIPTIO N T h e R P 3 G 01 and R P 3 G 0 2 a r e A n a lo g /D ig ita l


    OCR Scan     		RP3G01 RP3G01 ic 74226 jk flip flop 74103 ic D flip flop 7474 7471 rs flip flop 4011 flip flop IC 7400 SERIES list Ic ttl 7490, 7493, 7495 ci 74386 7414 NOT gate ic IC LA 74141 PDF

    7447 BCD to Seven Segment display

    Abstract: SDA2014 common anode 7-segment display 7 segment with 7447 7448 7 SEGMENT DISPLAY COMMON CATHODE 7 segment display lm3915 7448 bcd to seven segment decoder 4-DIGIT 7-SEGMENT LED DISPLAY MULTIPLEX 7447 7-segment display 7447 BCD to Seven Segment display common cathode
    Text: Drivers For Light Emitting Displays Appnote 24 by Dave Takagishi The purpose of this application note is to provide some information on the integrated circuits presently available to drive Light Emitting Diodes LED displays and how to interface them to the various displays.


    Original     		XR-2201 XR-2202 XR-2203 XR-2204 CA3081 CA3082 UAA180 LM3914 LM3915 7447 BCD to Seven Segment display SDA2014 common anode 7-segment display 7 segment with 7447 7448 7 SEGMENT DISPLAY COMMON CATHODE 7 segment display lm3915 7448 bcd to seven segment decoder 4-DIGIT 7-SEGMENT LED DISPLAY MULTIPLEX 7447 7-segment display 7447 BCD to Seven Segment display common cathode PDF

    11nab126v1

    Abstract: IC 7449 SEMIKRON SKIIP 11NAB126V1 SEMIKRON SKIIP 11NAB126V1 DATA SHEET IC 74249 Semikron skiip 24 nab 7449 semikron skiip nab semikron skiip nab 12 diode 7449
    Text: SKiiP 11NAB126V1 Absolute Maximum Ratings Symbol Conditions IGBT - Inverter, Chopper ,$3  ; ,$3  0 ' 12      !    0 (' 7859 1  0 (' 7859 12 ! < 4 - > Values Units 4(55 4: 74'9 &* 7&59 = (5 ,   , ? .5 ### @ 4'5 1 4. 7449


    Original     		11NAB126V1 11nab126v1 IC 7449 SEMIKRON SKIIP 11NAB126V1 SEMIKRON SKIIP 11NAB126V1 DATA SHEET IC 74249 Semikron skiip 24 nab 7449 semikron skiip nab semikron skiip nab 12 diode 7449 PDF

    IC TTL 7432

    Abstract: IC 7402, 7404, 7408, 7432, 7400 ttl 74118 74189 memory ic 74138 74189 ttl memory TTL 74289 RC4458 IC 74373 ttl 74592
    Text: Test and Measurement Systems Electronic Manufacturing Services ABI Electronics Limited Dodworth Business Park Barnsley S75 3SP South Yorkshire United Kingdom Tel: +44 0 1226 207420 Fax: +44 (0)1226 207620 www.abielectronics.co.uk ChipMaster Compact Professional IC List


    Original     		LM7808 LM7905 MAX667 MAX872 MAX874 REF02 REF03 REF05 REF43 TLE2425 IC TTL 7432 IC 7402, 7404, 7408, 7432, 7400 ttl 74118 74189 memory ic 74138 74189 ttl memory TTL 74289 RC4458 IC 74373 ttl 74592 PDF

    IC 74249

    Abstract: IC 7449 miniskiip 29 ic 7459 11ac126v1
    Text: SKiiP 11AC126V1 Absolute Maximum Ratings Symbol Conditions IGBT - Inverter ,$3  ; ,$3  0 ' 12      !    0 (' 7859 1  0 (' 7859 12 ! < 4 - > Values Units 4(55 4: 74'9 &* 7&59 = (5 ,   , ? .5 ### @ 4'5 1 4. 7449 (* 7(9 


    Original     		11AC126V1 IC 74249 IC 7449 miniskiip 29 ic 7459 11ac126v1 PDF

    SI3475

    Abstract: 74249
    Text: Si3475DV Vishay Siliconix P-Channel 200-V D-S MOSFET FEATURES PRODUCT SUMMARY VDS (V) - 200 RDS(on) (Ω) ID (A)a 1.61 at VGS = - 10 V - 0.95 1.65 at VGS = - 6 V - 0.93 • Halogen-free According to IEC 61249-2-21 Definition • TrenchFET Power MOSFET • 100 % Rg and UIS Tested


    Original     		Si3475DV 2002/95/EC Si3475DV-T1-E3 Si3475DV-T1-GE3 2011/65/EU 2002/95/EC. 2002/95/EC 2011/65/EU. 12-Mar-12 SI3475 74249 PDF