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

    MC7815BT Search Results

    SF Impression Pixel

    MC7815BT Price and Stock

    onsemi MC7815BTG

    IC REG LINEAR 15V 1A TO220AB
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    DigiKey MC7815BTG Tube 1,334 1
    • 1 $0.66
    • 10 $0.582
    • 100 $0.4144
    • 1000 $0.2557
    • 10000 $0.22925
    		Buy Now
    Avnet Americas MC7815BTG Tube 1,350 23 Weeks 50
    • 1 -
    • 10 -
    • 100 $0.19469
    • 1000 $0.17846
    • 10000 $0.16765
    		Buy Now
    Mouser Electronics MC7815BTG 35,309
    • 1 $0.66
    • 10 $0.362
    • 100 $0.282
    • 1000 $0.233
    • 10000 $0.233
    		Buy Now
    Verical MC7815BTG 1,344 32
    • 1 -
    • 10 -
    • 100 $0.2542
    • 1000 $0.2149
    • 10000 $0.1986
    		Buy Now
    MC7815BTG 1,244 37
    • 1 -
    • 10 -
    • 100 $0.4136
    • 1000 $0.2552
    • 10000 $0.2288
    		Buy Now
    Arrow Electronics MC7815BTG 1,356 23 Weeks 1
    • 1 $0.4723
    • 10 $0.3114
    • 100 $0.2557
    • 1000 $0.2162
    • 10000 $0.1998
    		Buy Now
    MC7815BTG 1,244 23 Weeks 1
    • 1 $0.6587
    • 10 $0.5808
    • 100 $0.4136
    • 1000 $0.2552
    • 10000 $0.2288
    		Buy Now
    Bristol Electronics MC7815BTG 16 5
    • 1 -
    • 10 $1.125
    • 100 $1.125
    • 1000 $1.125
    • 10000 $1.125
    		Buy Now
    MC7815BTG 3
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 -
    		Get Quote
    Quest Components MC7815BTG 12
    • 1 $1.5
    • 10 $1.2
    • 100 $1.2
    • 1000 $1.2
    • 10000 $1.2
    		Buy Now
    MC7815BTG 2
    • 1 $2
    • 10 $2
    • 100 $2
    • 1000 $2
    • 10000 $2
    		Buy Now
    TME MC7815BTG 1
    • 1 $0.617
    • 10 $0.519
    • 100 $0.343
    • 1000 $0.237
    • 10000 $0.216
    		Get Quote
    Avnet Asia MC7815BTG 23 Weeks 2,900
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 $0.1859
    		Buy Now
    New Advantage Corporation MC7815BTG 1,450 1
    • 1 -
    • 10 -
    • 100 -
    • 1000 $0.2836
    • 10000 $0.2624
    		Buy Now

    onsemi MC7815BT

    IC REG LINEAR 15V 1A TO220AB
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    DigiKey MC7815BT Tube
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 -
    		Buy Now
    Bristol Electronics MC7815BT 50 7
    • 1 -
    • 10 $0.75
    • 100 $0.375
    • 1000 $0.375
    • 10000 $0.375
    		Buy Now
    MC7815BT 693
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 -
    		Get Quote
    Quest Components MC7815BT 35
    • 1 $0.513
    • 10 $0.513
    • 100 $0.4275
    • 1000 $0.4275
    • 10000 $0.4275
    		Buy Now
    MC7815BT 40
    • 1 $1
    • 10 $0.5
    • 100 $0.3
    • 1000 $0.3
    • 10000 $0.3
    		Buy Now
    ComSIT USA MC7815BT 96
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 -
    		Get Quote

    Motorola Mobility LLC MC7815BT

    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    Bristol Electronics MC7815BT 19 7
    • 1 -
    • 10 $0.75
    • 100 $0.75
    • 1000 $0.75
    • 10000 $0.75
    		Buy Now

    Motorola Semiconductor Products MC7815BT

    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    Bristol Electronics MC7815BT 27
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 -
    		Get Quote
    Quest Components MC7815BT 15
    • 1 $1
    • 10 $0.5
    • 100 $0.5
    • 1000 $0.5
    • 10000 $0.5
    		Buy Now
    MC7815BT 21
    • 1 $2.016
    • 10 $1.512
    • 100 $1.26
    • 1000 $1.26
    • 10000 $1.26
    		Buy Now

    MC7815BT Datasheets (9)

    Part ECAD Model Manufacturer Description Curated Type PDF
    MC7815BT Motorola THREE TERMINAL POSITIVE FIXED VOLTAGE REGULATORS Original PDF
    MC7815BT On Semiconductor MC7815 - IC VREG 15 V FIXED POSITIVE REGULATOR, SFM3, TO-220, 3 PIN, Fixed Positive Single Output Standard Regulator Original PDF
    MC7815BT On Semiconductor 1.0 A Positive Voltage Regulators Original PDF
    MC7815BT On Semiconductor 1A, 15V,±4% Tolerance, Voltage Regulator, Ta = -40°C to +125°C; Package: TO-220, SINGLE GAUGE; No of Pins: 3; Container: Rail; Qty per Container: 50 Original PDF
    MC7815BT Unknown Historical semiconductor price guide (US$ - 1998). From our catalog scanning project. Historical PDF
    MC7815BT On Semiconductor Over 600 obsolete distributor catalogs now available on the Datasheet Archive - Voltage Regulator, +15.0V, 1500mA, Pkg Style Case 221A Scan PDF
    MC7815BTG On Semiconductor MC7815 - IC VREG 15 V FIXED POSITIVE REGULATOR, SFM3, LEAD FREE, TO-220, 3 PIN, Fixed Positive Single Output Standard Regulator Original PDF
    MC7815BTG On Semiconductor 1A, 15V,±4% Tolerance, Voltage Regulator, Ta = -40°C to +125°C; Package: TO-220, SINGLE GAUGE; No of Pins: 3; Container: Rail; Qty per Container: 50 Original PDF
    MC7815BTG On Semiconductor 1A, 15V,±4% Tolerance, Voltage Regulator, Ta = -40C to +125C Original PDF

    MC7815BT Datasheets Context Search

    Catalog Datasheet MFG & Type PDF Document Tags

    MC68B21CP

    Abstract: xcm916x1cth16 transistor marking code 12W SOT-23 sg379 MC68B54P XC68HC805P18CDW mc68b50cp MC2830 NE555N CHN NE555N
    Text: SG379/D REV 7 Semiconductor Products Sector NORTH AMERICA SALES AND DISTRIBUTION PRICE LIST THIS BOOK IS IN COMPUTER SORT PRODUCT CLASSIFICATION – Please see General Information Section 1.3 EFFECTIVE DATE: JANUARY 10, 1998 General Information 1 Cross References


    Original     		PDF SG379/D 1N965BRL ZEN15V 1N751AS 1N967BRL ZEN18V 1N751ASRL 1N968BRL ZEN20V MC68B21CP xcm916x1cth16 transistor marking code 12W SOT-23 sg379 MC68B54P XC68HC805P18CDW mc68b50cp MC2830 NE555N CHN NE555N

    7812CT

    Abstract: MC7805.2CT MC7800 78XXXX MC7805 MC7812 LM340 LM340A MC7800A MC78XX
    Text: MC7800, MC7800A, LM340, LM340A Series, NCV7805 1.0 A Positive Voltage Regulators These voltage regulators are monolithic integrated circuits designed as fixed–voltage regulators for a wide variety of applications including local, on–card regulation. These regulators employ internal


    Original     		PDF MC7800, MC7800A, LM340, LM340A NCV7805 r14525 MC7800/D 7812CT MC7805.2CT MC7800 78XXXX MC7805 MC7812 LM340 MC7800A MC78XX

    MC7805BTG

    Abstract: MC1741G mc7812ctG NCV7805BTG MC7800 MC7809ABTG mj2955 TO-220 MC7805CD2TR4 MC7805ACTG MC7805ABTG
    Text: MC7800, MC7800A, MC7800AE, NCV7800 1.0 A Positive Voltage Regulators These voltage regulators are monolithic integrated circuits designed as fixed−voltage regulators for a wide variety of applications including local, on−card regulation. These regulators employ internal


    Original     		PDF MC7800, MC7800A, MC7800AE, NCV7800 O-220-3 221AB MC7800/D MC7805BTG MC1741G mc7812ctG NCV7805BTG MC7800 MC7809ABTG mj2955 TO-220 MC7805CD2TR4 MC7805ACTG MC7805ABTG

    sn76131

    Abstract: tlo72cp TOSHIBA 2N3055 M53207P 2N3055 TOSHIBA KIA7313AP kia7640ap LA5530 M5L8155P TBB1458B
    Text: ACTIVE ELECTRONICS COMPONENTS CROSS REFERENCE GUIDE 2SC429GTM 2SC458 2SC458LG 2SC503 2SC504 2SC510 2SC512 2SC519 2SC520A 2SC594 2SC699A 2SC780 2SC809-1 2SC945 2SC3012 2SC3074 2SC3114 2SC3115 2SC3116 2SC3117 2SC3134 2SC3135 2SC3138 2SC3143 2SC3144 2SC3145 2SC3157


    Original     		PDF 2SC429GTM 2SC458 2SC458LG 2SC503 2SC504 2SC510 2SC512 2SC519 2SC520A 2SC594 sn76131 tlo72cp TOSHIBA 2N3055 M53207P 2N3055 TOSHIBA KIA7313AP kia7640ap LA5530 M5L8155P TBB1458B

    Untitled

    Abstract: No abstract text available
    Text: MC7800, MC7800A, MC7800AE, NCV7800 1.0 A Positive Voltage Regulators These voltage regulators are monolithic integrated circuits designed as fixed−voltage regulators for a wide variety of applications including local, on−card regulation. These regulators employ internal


    Original     		PDF MC7800, MC7800A, MC7800AE, NCV7800 O-220 221AB MC7800/D

    schematic diagram atx Power supply 500w

    Abstract: pioneer PAL 012A 1000w inverter PURE SINE WAVE schematic diagram 600va numeric ups circuit diagrams winbond bios 25064 TLE 9180 infineon smsc MEC 1300 nu TBE schematic diagram inverter 2000w DK55 circuit diagram of luminous 600va UPS
    Text: QUICK INDEX NEW IN THIS ISSUE! Detailed Index - See Pages 3-24 Digital Signal Processors, iCoupler , iMEMS® and iSensor . . . . . 805, 2707, 2768-2769 Connectors, Cable Assemblies, IC Sockets . . . . . . . . . . . 28-568 RF Connectors . . . . . . . . . . . . . . . . . . . . . . Pages 454-455


    Original     		PDF P462-ND P463-ND LNG295LFCP2U LNG395MFTP5U US2011) schematic diagram atx Power supply 500w pioneer PAL 012A 1000w inverter PURE SINE WAVE schematic diagram 600va numeric ups circuit diagrams winbond bios 25064 TLE 9180 infineon smsc MEC 1300 nu TBE schematic diagram inverter 2000w DK55 circuit diagram of luminous 600va UPS

    N5741V

    Abstract: 9667PC LM317T RC4558DN SN75150N rc741dn MC3346P RC4136N "cross reference" NE555V UC494C
    Text: Analog Integrated Circuits Cross Reference This Cross Reference lists Analog Devices by either industry standard part number or by manufacturer’s part number for which there is an ON Semiconductor nearest or similar replacement. For devices not listed, or for


    Original     		PDF r14153 CRD800/D N5741V 9667PC LM317T RC4558DN SN75150N rc741dn MC3346P RC4136N "cross reference" NE555V UC494C

    CS5170

    Abstract: mps2112 MPS2112ZL1 100A 300V IGBT MC3346P CS4124YDW16 ON Semiconductor PRICE BOOK 12V to 220V smps inverter bd234 igbt ac motor speed control
    Text: SGD501/D REV 8, January 5, 2002 NORTH AMERICA SALES AND DISTRIBUTION ON Semiconductor PRICE BOOK THIS BOOK IS IN COMPUTER SORT PRODUCT CLASSIFICATION – Please see General Information Section EFFECTIVE DATE: JANUARY 5, 2002 General Information Elimination Of Ozone Depleting Chemicals . . . .


    Original     		PDF SGD501/D Janua667 CS5170 mps2112 MPS2112ZL1 100A 300V IGBT MC3346P CS4124YDW16 ON Semiconductor PRICE BOOK 12V to 220V smps inverter bd234 igbt ac motor speed control

    MC1741

    Abstract: No abstract text available
    Text: Back MC7800, MC7800A, LM340, LM340A Series, NCV7805 1.0 A Positive Voltage Regulators These voltage regulators are monolithic integrated circuits designed as fixed–voltage regulators for a wide variety of applications including local, on–card regulation. These regulators employ internal


    Original     		PDF MC7800, MC7800A, LM340, LM340A NCV7805 r14525 MC7800/D MC1741

    MC7809ABTG

    Abstract: 78xx MC7800
    Text: MC7800, MC7800A, MC7800AE, NCV7800 1.0 A Positive Voltage Regulators These voltage regulators are monolithic integrated circuits designed as fixed−voltage regulators for a wide variety of applications including local, on−card regulation. These regulators employ internal


    Original     		PDF MC7800, MC7800A, MC7800AE, NCV7800 O-220-3 221AB MC7800/D MC7809ABTG 78xx MC7800

    FSQ510 Equivalent

    Abstract: BTA12 6008 bta16 6008 ZIGBEE interface with AVR ATmega16 Precision triac control thermostat thyristor t 558 f eupec gw 5819 diode transistor a564 A564 transistor BSM25GP120 b2
    Text: SEMICONDUCTORS MCU/MPU/DSP Atmel. . . . . . . . . 167, 168, 169, 170, 171, 172 Blackhawk. . . . . . . . . . . . . . . . . . . . . . . . . 173 Cyan . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 174 Cypress. . . . . . . . . . . . . . . 175, 176, 177, 178


    Original     		PDF GP-20) FSQ510 Equivalent BTA12 6008 bta16 6008 ZIGBEE interface with AVR ATmega16 Precision triac control thermostat thyristor t 558 f eupec gw 5819 diode transistor a564 A564 transistor BSM25GP120 b2

    Arduino Mega2560

    Abstract: 13001 S 6D TRANSISTOR arduino uno rev 3 agilent optical encoder 9988 MZ 13001 TRANSISTOR arduino mega 2650 skiip 613 gb 123 ct arduino sound sensor module pic arduino nano mc34063l
    Text: ND3% BASE1 XXXX2108-0010-1-P 10 TSQ: 3001 CMS: CMS-USM TS host OP: NN COMP: 15-07-11 Hour: 13:07 TS:TS date TS time MCUS, MPUS, DSPS & DEVELOPMENT TOOLS Find Datasheets Online 8-BIT MCUS & DEVELOPMENT TOOLS 1 PSoC 3 DEVELOPMENT KITS ARDUINO MCU DEVLOPMENT PLATFORM


    Original     		PDF CY8C38 CY8C29 incl795 12T9797 12T9804 12T9803 12T9800 12T9802 12T9801 12T9805 Arduino Mega2560 13001 S 6D TRANSISTOR arduino uno rev 3 agilent optical encoder 9988 MZ 13001 TRANSISTOR arduino mega 2650 skiip 613 gb 123 ct arduino sound sensor module pic arduino nano mc34063l

    MC7805CTG

    Abstract: mc7805bd2t MC7812CT LM340AT12 MC7800
    Text: MC7800, MC7800A, LM340, LM340A Series, NCV7805 1.0 A Positive Voltage Regulators These voltage regulators are monolithic integrated circuits designed as fixed−voltage regulators for a wide variety of applications including local, on−card regulation. These regulators employ internal


    Original     		PDF MC7800, MC7800A, LM340, LM340A NCV7805 MC7800/D MC7805CTG mc7805bd2t MC7812CT LM340AT12 MC7800

    MC7815BTG

    Abstract: MC7815ABD2TR4G MC7800 MC7800A MC7815C MC78XX NCV7815BTG mc7815actg MC7815BDTG MC7815BT
    Text: MC7800, MC7800A, MC7800AE, NCV7800 1.0 A Positive Voltage Regulators These voltage regulators are monolithic integrated circuits designed as fixed-voltage regulators for a wide variety of applications including local, on-card regulation. These regulators employ internal


    Original     		PDF MC7800, MC7800A, MC7800AE, NCV7800 MC7815BTG MC7815ABD2TR4G MC7800 MC7800A MC7815C MC78XX NCV7815BTG mc7815actg MC7815BDTG MC7815BT

    MC7812c diagram

    Abstract: MC7805CD2TR4 78XXXX MC7805CD2T MF 104 capacitor LM340AT12 LM340A MC7800 MC78XX MC7812C
    Text: MC7800, MC7800A, LM340, LM340A Series Three-Terminal Positive Voltage Regulators These voltage regulators are monolithic integrated circuits designed as fixed–voltage regulators for a wide variety of applications including local, on–card regulation. These regulators employ internal


    Original     		PDF MC7800, MC7800A, LM340, LM340A r14525 MC7800/D MC7812c diagram MC7805CD2TR4 78XXXX MC7805CD2T MF 104 capacitor LM340AT12 MC7800 MC78XX MC7812C

    1500w audio amplifier circuit

    Abstract: Schottky Diode 80V 6A 1500w PWM 220v C106MG marking code SS SOT23 tl494cn inverter datasheet smps 1500W MMSZ5231BT1G dc 220v motor speed control circuit with scr NCP1200P60G
    Text: SGD501/D REV 19, October 9, 2004 NORTH AMERICA SALES AND DISTRIBUTION ON Semiconductor PRICE BOOK THIS BOOK IS IN COMPUTER SORT PRODUCT CLASSIFICATION − Please see General Information Section EFFECTIVE DATE: OCTOBER 9, 2004  General Information ON Semiconductor Standard Policies


    Original     		PDF SGD501/D 74VCX16373DT 74VCX16373DTR 74VCX16374DT 16BIT 74VCX16374DTR 80SQ045N 80SQ045NRL 1500w audio amplifier circuit Schottky Diode 80V 6A 1500w PWM 220v C106MG marking code SS SOT23 tl494cn inverter datasheet smps 1500W MMSZ5231BT1G dc 220v motor speed control circuit with scr NCP1200P60G

    MC68SEC811E2FN

    Abstract: MC145152P2 MC68HC705P6ACP MC74HC14AD MC68HC811E2CFN2 MC74HC4538 MC14585BCP MC74HC74AD MC145151P2 MC68HC711D3CFN2
    Text: Semiconductor Directory Mfr.Õs Type 13 Price Mfr.Õs Code Page Mfr.Õs Type Price Mfr.Õs Code Page Mfr.Õs Type Price Mfr.Õs Code Page Mfr.Õs Type Price Mfr.Õs Code Page MC14029BCP MC1403D MC14040BCP MC14042BCP MC14043BCP 0.35 1.12 0.44 0.44 0.35 ONS


    Original     		PDF MC14029BCP MC1458D MC68HC705J1ACP MC74HC245AN MC1403D MC1458P MC68HC705P6ACP MC74HC273ADW MC14040BCP MC1488D MC68SEC811E2FN MC145152P2 MC74HC14AD MC68HC811E2CFN2 MC74HC4538 MC14585BCP MC74HC74AD MC145151P2 MC68HC711D3CFN2

    LM317T

    Abstract: N5741V TL497CN NE555V RC4558DN 9667pc IR3M03A SG317P RC741DN LM78M05CP
    Text: Cross Reference The following table represents a cross reference guide for all Analog devices that are manufactured by Motorola. Where the Motorola part number differs from the industry part Industry Part Number number, the Motorola device is a ‘‘form, fit and function’’


    Original     		PDF 9667PC MC1413P 9668PC MC1416P AD589J LM385Z AD589K AD589L LM317T N5741V TL497CN NE555V RC4558DN 9667pc IR3M03A SG317P RC741DN LM78M05CP

    intel 845 MOTHERBOARD pcb CIRCUIT diagram

    Abstract: 200D6 SMD DIP-8 marking code E5 SMD ic sot23-5 4256 bwp TRANSISTOR SMD 6CW TL494 car charger schematic diagram SMD 6cw LM385 1.25V zener 6cw smd code marking mc7812a
    Text: DL128/D Rev. 7, Mar-2002 Analog Integrated Circuits Power Management, Signal Conditioning and ASSP Devices Literature Fulfillment: Literature Distribution Center for ON Semiconductor P.O. Box 5163, Denver, Colorado 80217 USA Phone: 303-675-2175 or 800-344-3860 Toll Free USA/Canada


    Original     		PDF DL128/D Mar-2002 r14525 DL128 intel 845 MOTHERBOARD pcb CIRCUIT diagram 200D6 SMD DIP-8 marking code E5 SMD ic sot23-5 4256 bwp TRANSISTOR SMD 6CW TL494 car charger schematic diagram SMD 6cw LM385 1.25V zener 6cw smd code marking mc7812a

    MC7805BTG

    Abstract: MC7800 MC7805ABTG MC7805ACTG NCV7805BTG MC7800A MC7805C MC78XX NCV7805 MC7809CD2T
    Text: MC7800, MC7800A, NCV7805 1.0 A Positive Voltage Regulators These voltage regulators are monolithic integrated circuits designed as fixed−voltage regulators for a wide variety of applications including local, on−card regulation. These regulators employ internal


    Original     		PDF MC7800, MC7800A, NCV7805 MC7800/D MC7805BTG MC7800 MC7805ABTG MC7805ACTG NCV7805BTG MC7800A MC7805C MC78XX NCV7805 MC7809CD2T

    MC7805CD2TR4

    Abstract: MC7805ABTG MC7805ACTG MC7805BTG NCV7805BTG MC7809ABTG Mj2955 power transistor using regulator MC7800
    Text: MC7800, MC7800A, MC7800AE, NCV7800 1.0 A Positive Voltage Regulators These voltage regulators are monolithic integrated circuits designed as fixed−voltage regulators for a wide variety of applications including local, on−card regulation. These regulators employ internal


    Original     		PDF MC7800, MC7800A, MC7800AE, NCV7800 O-220 221AB MC7800/D MC7805CD2TR4 MC7805ABTG MC7805ACTG MC7805BTG NCV7805BTG MC7809ABTG Mj2955 power transistor using regulator MC7800

    MC7805CTG

    Abstract: MC7800
    Text: MC7800, MC7800A, LM340, LM340A Series, NCV7805 1.0 A Positive Voltage Regulators These voltage regulators are monolithic integrated circuits designed as fixed−voltage regulators for a wide variety of applications including local, on−card regulation. These regulators employ internal


    Original     		PDF MC7800, MC7800A, LM340, LM340A NCV7805 MC7800/D MC7805CTG MC7800

    REGULATOR mc7812ct

    Abstract: MC7815BT c843 TL494CN UC3842AN LM340T12 MC79L12ACP LM340AT12 LM323AT SG3525AN
    Text: ON Semiconductor Voltage Regulators and Switching Regulators Voltage Regulators Continued Linear Voltage Regulators (Continued) Fixed Output (Continued) Mfr.'s Type Positive Regulator Negative Regulator Case 29/TO-92 Case 221A Case 369A Case 751/SO-8 Case 29/TO-92


    Original     		PDF 29/TO-92 751/SO-8 751/SO-8 LM340AT-5 MC78T05CT MC78T05ACT LM323AT MC7806CT MC7906CT REGULATOR mc7812ct MC7815BT c843 TL494CN UC3842AN LM340T12 MC79L12ACP LM340AT12 LM323AT SG3525AN

    MC7805

    Abstract: MC7805.2CT schematic diagram ac voltage regulator MC1741G 78XXXX MC7800 2n6049 TO-220 lm340 12 lm340 datasheet mc7800 datasheet
    Text: MC7800, MC7800A, LM340, LM340A Series Three-Terminal Positive Voltage Regulators These voltage regulators are monolithic integrated circuits designed as fixed–voltage regulators for a wide variety of applications including local, on–card regulation. These regulators employ internal


    Original     		PDF MC7800, MC7800A, LM340, LM340A r14525 MC7800/D MC7805 MC7805.2CT schematic diagram ac voltage regulator MC1741G 78XXXX MC7800 2n6049 TO-220 lm340 12 lm340 datasheet mc7800 datasheet