LM2901M Search Results

LM2901M Result Highlights (5)

Part	Manufacturer	Description
LM2901MX	Texas Instruments	Low Power Low Offset Voltage Quad Comparator 14-SOIC -40 to 85
LM2901M	Texas Instruments	Low Power Low Offset Voltage Quad Comparator 14-SOIC -40 to 85
LM2901 MWA	Texas Instruments	Low Power Low Offset Voltage Quad Comparator 0-WAFERSALE -40 to 85
LM2901M/NOPB	Texas Instruments	Low Power Low Offset Voltage Quad Comparator 14-SOIC -40 to 85
LM2901MX/NOPB	Texas Instruments	Low Power Low Offset Voltage Quad Comparator 14-SOIC -40 to 85

LM2901M Price and Stock

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Texas Instruments LM2901MX-NOPB IC COMPARATOR 4 GEN PUR 14SOIC
Distributors	Part	Package	Stock	Lead Time	Min Order Qty	Price	Buy
DigiKey	LM2901MX-NOPB	Digi-Reel	10,700		1	1 $1.56 10 $1.14 100 $0.9195 1000 $0.80399 10000 $0.80399	Buy Now
	LM2901MX-NOPB	Cut Tape	10,700		1	1 $1.56 10 $1.14 100 $0.9195 1000 $0.80399 10000 $0.80399	Buy Now
	LM2901MX-NOPB	Reel	10,000		2,500	1 - 10 - 100 - 1000 - 10000 $0.77517	Buy Now
Texas Instruments LM2901M-NOPB IC COMPARATOR 4 GEN PUR 14SOIC
Distributors	Part	Package	Stock	Lead Time	Min Order Qty	Price	Buy
DigiKey	LM2901M-NOPB	Tube	2,696		1	1 $1.82 10 $1.338 100 $1.82 1000 $0.979 10000 $0.89918	Buy Now
onsemi LM2901M IC COMPARATOR 4 GEN PUR 14SOP
Distributors	Part	Package	Stock	Lead Time	Min Order Qty	Price	Buy
DigiKey	LM2901M	Tube				1 - 10 - 100 - 1000 - 10000 -	Buy Now
Bristol Electronics	LM2901M		396			1 - 10 - 100 - 1000 - 10000 -	Get Quote
Quest Components	LM2901M		316			1 $3.24 10 $3.24 100 $1.62 1000 $1.4985 10000 $1.4985	Buy Now
Texas Instruments LM2901M IC COMPARATOR 4 GEN PUR 14SOIC
Distributors	Part	Package	Stock	Lead Time	Min Order Qty	Price	Buy
DigiKey	LM2901M	Tube			330	1 - 10 - 100 - 1000 $1.31382 10000 $1.31382	Buy Now
Newark	LM2901M	Bulk	519		1	1 $2.9 10 $2.69 100 $2.4 1000 $2.11 10000 $2.11	Buy Now
Flip Electronics LM2901MX IC COMPARATOR QUAD 14-SOP
Distributors	Part	Package	Stock	Lead Time	Min Order Qty	Price	Buy
DigiKey	LM2901MX	Reel			1,000	1 - 10 - 100 - 1000 $0.61 10000 $0.61	Buy Now

Find more LM2901M price and stock on Findchips.com

LM2901M Datasheets (37)

Part	Manufacturer	Description	Datasheet Type	PDF
LM2901M	Fairchild Semiconductor	Quad Comparator	Original	PDF
LM2901M	National Semiconductor	Low Power Low Offset Voltage Quad Comparators	Original	PDF
LM2901M	National Semiconductor	Comparator	Original	PDF
LM2901M	National Semiconductor	Low Power Low Offset Voltage Quad Comparators	Original	PDF
LM2901M	New Japan Radio	Cross Reference Guide	Original	PDF
LM2901M	Texas Instruments	Linear - Comparators, Integrated Circuits (ICs), IC COMPARATOR QUAD VOLT 14-SOIC	Original	PDF
LM2901M	Texas Instruments	LM2901 - Low Power Low Offset Voltage Quad Comparator 14-SOIC -40 to 85	Original	PDF
LM2901M	Fairchild Semiconductor	QUAD COMPARATOR	Scan	PDF
LM2901M	Unknown	Shortform IC and Component Datasheets (Plus Cross Reference Data)	Short Form	PDF
LM2901M	Unknown	Shortform Data and Cross References (Misc Datasheets)	Short Form	PDF
LM2901M	Unknown	Historical semiconductor price guide (US$ - 1998). From our catalog scanning project.	Historical	PDF
LM2901M	Unknown	Historical semiconductor price guide (US$ - 1998). From our catalog scanning project.	Historical	PDF
LM2901M	National Semiconductor	Over 600 obsolete distributor catalogs now available on the Datasheet Archive - Voltage Comparator, Quad, 7mV, 2.5mA, Pkg Style 14 Lead SOIC	Scan	PDF
LM2901M96	Intersil	Quad Voltage Comparators for Industrial, Commercial and Military Applications	Original	PDF

LM2901M96	Unknown	Historical semiconductor price guide (US$ - 1998). From our catalog scanning project.	Historical	PDF
LM2901 MDA	National Semiconductor	Low Power Low Offset Voltage Quad Comparator	Original	PDF
LM2901MDA	National Semiconductor	Comparator	Original	PDF
LM2901MDC	National Semiconductor	Low Power Low Offset Voltage Quad Comparator	Original	PDF
LM2901MDCT	National Semiconductor	Low Power Low Offset Voltage Quad Comparator	Original	PDF
LM2901MEP	National Semiconductor	Low Power Low Offset Voltage Quad Comparator	Original	PDF

LM2901M Datasheets Context Search

Catalog Datasheet	MFG & Type	Document Tags	PDF
LM2903MX Abstract: LM339MX LM393MX LM339 application note LM2901 LM2901MX LM2903 LM339 LM393 detail of pins IC LM339 Text: General-purpose Operational Amplifiers / Comparators NOW SERIES Comparators No.11094EBT06 LM393MX,LM2903MX,LM339MX,LM2901MX ●Description The Universal Standard family LM393 / LM339 / LM2903 / LM2901 monolithic ICs integrate two / four independent comparators on a single chip and feature high gain, low	Original	11094EBT06 LM393MX LM2903MX LM339MX LM2901MX LM393 LM339 LM2903 LM2901 LM339 application note LM2901MX detail of pins IC LM339	PDF
LM2903MX Abstract: detail of pins IC LM339 LM339MX lm339 pin diagram lm393 equivalent VALUE IC LM2901 LM2901MX LM2903 LM339 LM393 Text: General-purpose Operational Amplifiers / Comparators NOW SERIES Comparators No.10094EAT06 LM393MX,LM2903MX,LM339MX,LM2901MX ●Description The Universal Standard family LM393/ LM339/ LM2903/ LM2901 monolithic ICs integrate two/four independent comparators on a single chip and feature high gain, low	Original	10094EAT06 LM393MX LM2903MX LM339MX LM2901MX LM393/ LM339/ LM2903/ LM2901 LM393 detail of pins IC LM339 lm339 pin diagram lm393 equivalent VALUE IC LM2901MX LM2903 LM339	PDF
IC LM 393 N Abstract: ic 2903 data LM 3902 ic lm 339 pin for lm 339 ic LM 339 IC LM 393 LM 339 application note LM 393 for IC LM 125 quad op-amp Text: General-purpose Operational Amplifiers / Comparators NOW SERIES Comparators LM393MX,LM2903MX,LM339MX,LM2901MX No.11094ECT06 ●Description The Universal Standard family LM393 / LM339 / LM2903 / LM2901 monolithic ICs integrate two / four independent comparators on a single chip and feature high gain, low power consumption, and an operating voltage range from 2[V] to	Original	LM393MX LM2903MX LM339MX LM2901MX 11094ECT06 LM393 LM339 LM2903 LM2901 IC LM 393 N ic 2903 data LM 3902 ic lm 339 pin for lm 339 ic LM 339 IC LM 393 LM 339 application note LM 393 for IC LM 125 quad op-amp	PDF
NATIONAL SEMICONDUCTOR MARKING CODE sot Abstract: national marking code P9506AB national marking code 8 soic NATIONAL SEMICONDUCTOR MARKING CODE S9506AB M51AB On semiconductor date Code national marking date code M9506AB Text: Page 1 of 4 QA/Product Engineering Europe COMPONENT COMPONENTMARKING MARKING Components are marked - on front side - full name or coded - one or more lines M9506AB LM2901N First Line of Marking Examples: Standard NS U M51AB LM2901M S9506AB SM9448AH Z XX YY TT	Original	M9506AB LM2901N M51AB LM2901M S9506AB SM9448AH M51AA 20lead OT-23, OT-223, NATIONAL SEMICONDUCTOR MARKING CODE sot national marking code P9506AB national marking code 8 soic NATIONAL SEMICONDUCTOR MARKING CODE S9506AB M51AB On semiconductor date Code national marking date code M9506AB	PDF
LM393F Abstract: No abstract text available Text: General-purpose Operational Amplifiers / Comparators NOW SERIES Comparators No.11094ECT06 LM393MX,LM2903MX,LM339MX,LM2901MX ●Description The Universal Standard family LM393 / LM339 / LM2903 / LM2901 monolithic ICs integrate two / four independent comparators on a single chip and feature high gain, low power consumption, and an operating voltage range from 2[V] to	Original	11094ECT06 LM393MX LM2903MX LM339MX LM2901MX LM393 LM339 LM2903 LM2901 LM393F	PDF
IC LM 393 N Abstract: ic 2903 data 339 IC Text: General-purpose Operational Amplifiers / Comparators NOW SERIES Comparators No.11094ECT06 LM393MX,LM2903MX,LM339MX,LM2901MX ●Description The Universal Standard family LM393 / LM339 / LM2903 / LM2901 monolithic ICs integrate two / four independent comparators on a single chip and feature high gain, low power consumption, and an operating voltage range from 2[V] to	Original	11094ECT06 LM393MX LM2903MX LM339MX LM2901MX LM393 LM339 LM2903 LM2901 IC LM 393 N ic 2903 data 339 IC	PDF
LM339 Abstract: LM2901 LM339N internal circuit diagram LM239A LM339 application note LM339A Fairchild LM339 lm2901 application note lm339a schematic lm339 open collector Text: www.fairchildsemi.com LM339/LM339A, LM239A, LM2901 Quad Comparator Features Description • Single or Dual Supply Operation • Wide Range of Supply Voltage LM2901, LM339/LM339A, LM239A: 2 ~ 36V or ±1 ~ ±18V • Low Supply Current Drain 800 A Typ. • Open Collector Outputs for Wired and Connectors	Original	LM339/LM339A, LM239A, LM2901 LM2901, LM239A: LM339/LM339A LM2901 14-DIP LM339 LM339N internal circuit diagram LM239A LM339 application note LM339A Fairchild LM339 lm2901 application note lm339a schematic lm339 open collector	PDF
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	2SC429GTM 2SC458 2SC458LG 2SC503 2SC504 2SC510 2SC512 2SC519 2SC520A 2SC594 sn76131 tlo72cp TOSHIBA 2N3055 M53207P 2N3055 TOSHIBA KIA7313AP kia7640ap LA5530 M5L8155P TBB1458B	PDF
HIP9011ABR4682 Abstract: LM324N CDP65C51AE2 CA3262AER4374 CDP65C51M4S2357 HIP0050IP CDP68HC68R2E ISL706 CDP65C51M4 HAA2-10729 Text: Current list of products identified for obsolescence as a result of the Findlay plant closure Note: Product listing is subject to change or update 1. Life-of-type orders will be accepted through Friday, July 6, 2001 the withdrawal date). Additional orders will be considered through the end of September	Original	TA51505BR7028 ICM7555IPAS2485 TA51628ABR7016AS ICM7555IPAS2550 TA51628ABR7016ASW ICM7556IPDS5001 TA51628ABR7016ASWT IH5352CBP TA51787ACR4613 IH5352CPE HIP9011ABR4682 LM324N CDP65C51AE2 CA3262AER4374 CDP65C51M4S2357 HIP0050IP CDP68HC68R2E ISL706 CDP65C51M4 HAA2-10729	PDF
LM339N Abstract: LM2901N MLM339P LM339N applications Text: LM139-N, LM239-N, LM2901-N, LM3302-N, LM339-N www.ti.com SNOSBJ3D – NOVEMBER 1999 – REVISED MARCH 2013 LM139/LM239/LM339/LM2901/LM3302 Low Power Low Offset Voltage Quad Comparators Check for Samples: LM139-N, LM239-N, LM2901-N, LM3302-N, LM339-N FEATURES	Original	LM139-N, LM239-N, LM2901-N, LM3302-N, LM339-N LM139/LM239/LM339/LM2901/LM3302 LM339N LM2901N MLM339P LM339N applications	PDF
UPC451C Abstract: LM324N CA301AE CA081E upc451g CA082E CA339E CA358AE UA741CN ca224e Text: CROSS REFERENCE : BY MANUFACTURER INDUSTRY STANDARD NEAREST SGS-THOMSON TYPE ANALOG DEVICES INDUSTRY STANDARD NEAREST SGS-THOMSON TYPE INDUSTRY STANDARD NEAREST SGS-THOMSON TYPE ICM7555ISA TS555ID MC1741CD UA741CD ICM7556IDP TS556IN MC1741CP1 UA741CN OP295GS	Original	ICM7555ISA TS555ID MC1741CD UA741CD ICM7556IDP TS556IN MC1741CP1 UA741CN OP295GS TS3V912AID UPC451C LM324N CA301AE CA081E upc451g CA082E CA339E CA358AE UA741CN ca224e	PDF
LM139 APPLICATIONS Abstract: M14A N14A LM139 LM2901 LM2901EP LM2901MEP lm2901 national DS201139 Text: LM2901EP Low Power Low Offset Voltage Quad Comparators General Description Features The LM2901EP consists of four independent precision voltage comparators with an offset voltage specification as low as 2 mV max for all four comparators. These were designed	Original	LM2901EP LM2901EP CSP-9-111C2) CSP-9-111S2) CSP-9-111S2. LM139 APPLICATIONS M14A N14A LM139 LM2901 LM2901MEP lm2901 national DS201139	PDF
LM393m Abstract: DIP14 lm339an DIP-14 LM393AN LM339N, KA339 LM339M LM2901M LM2903N LM2903M Text: Analog and Mixed Signal Products CD-ROM Selection Guide Comparators Product KA219 Description Dual Comparator KA219D KA239A Code1 DIP-14 T SOP-14 T, T&R Packing Suffix " ",TF DIP-14 T KA239AD SOP-14 T, T&R KA239 DIP-14 T KA239D SOP-14 T, T&R " ", TF SOP-14	Original	KA219 KA219D KA239A KA239AD KA239 KA239D LM2901M KA2901D] LM2901N KA2901] LM393m DIP14 lm339an DIP-14 LM393AN LM339N, KA339 LM339M LM2901M LM2903N LM2903M	PDF
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	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	PDF

lm339 square wave Abstract: lm339 replacement CA139 CA139A CA239A CA339 CA339A lm339 application note CA0339AM96 CA239 Text: S E M I C O N D U C T O R CA139, CA239, CA339 LM339, LM2901, LM3302 Quad Voltage Comparators for Industrial, Commercial and Military Applications September 1993 Features Description • Operation from Single or Dual Supplies The devices in this series consist of four independent single or dual supply	Original	CA139, CA239, CA339 LM339, LM2901, LM3302 Differe01 -55oC lm339 square wave lm339 replacement CA139 CA139A CA239A CA339 CA339A lm339 application note CA0339AM96 CA239	PDF
339 opamp Abstract: 8 pin ic lm339 INTERNAL CIRCUIT DIAGRAM OF LM393 LM2903MX LM339MX lm2903 application note OP-AMP 339 PIN DIAGRAM 339 IC lm393 equivalent VALUE IC LM2901 Text: TECHNICAL NOTE NOW SERIES Universal Standard Ground Sense Comparator LM393 family, LM339 family, LM2903 family, LM2901 family ●Description The Universal Standard family LM393/ LM339/LM2903/LM2901 monolithic ICs integrate two/four independent comparators on a single chip and feature	Original	LM393 LM339 LM2903 LM2901 LM393/ LM339/LM2903/LM2901 LM393MX LM339/393 LM2903/2901 339 opamp 8 pin ic lm339 INTERNAL CIRCUIT DIAGRAM OF LM393 LM2903MX LM339MX lm2903 application note OP-AMP 339 PIN DIAGRAM 339 IC lm393 equivalent VALUE IC	PDF
Untitled Abstract: No abstract text available Text: LM139-N, LM239-N, LM2901-N, LM3302-N, LM339-N www.ti.com SNOSBJ3D – NOVEMBER 1999 – REVISED MARCH 2013 LM139/LM239/LM339/LM2901/LM3302 Low Power Low Offset Voltage Quad Comparators Check for Samples: LM139-N, LM239-N, LM2901-N, LM3302-N, LM339-N FEATURES	Original	LM139-N, LM239-N, LM2901-N, LM3302-N, LM339-N LM139/LM239/LM339/LM2901/LM3302	PDF
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	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	PDF
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	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	PDF
irf14042 Abstract: IRF1404 FET 74HC74 schematic application IRF1404 2N7002 74HC74 AN165 IN4148 LM2901M LM2903M Text: Application Note AN165 Using the X80200 as A Triple Voltage Tracker Carlos Martinez, June 2003 INTRODUCTION In some systems, there is a need to provide multiple voltages that track each other on power up and on power down. In this application note, the X80200 device is used	Original	AN165 X80200 irf14042 IRF1404 FET 74HC74 schematic application IRF1404 2N7002 74HC74 AN165 IN4148 LM2901M LM2903M	PDF
lm139 Abstract: LM339 LM2901M PN2901 lm339 bistable multivibrator Text: LM139/LM239/LM339/LM2901/LM3302 Low Power Low Offset Voltage Quad Comparators General Description Features The LM139 series consists of four independent precision voltage comparators with an offset voltage specification as low as 2 mV max for all four comparators. These were	Original	LM139/LM239/LM339/LM2901/LM3302 LM139 SB-106: 29-Aug-2001] 5-Aug-95 28-Jun-96 /chechi/LM2901 LM339 LM2901M PN2901 lm339 bistable multivibrator	PDF
BA6869 Abstract: KA3525A lb1838 KA7500B application note ba5938 ka7632 KA7500B LM4136 ba6296 SMPS KA3525A Text: Analog and Mixed Signal Products Table of Contents Selection Guide Digital Video. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2	Original	O-263 BA6869 KA3525A lb1838 KA7500B application note ba5938 ka7632 KA7500B LM4136 ba6296 SMPS KA3525A	PDF
lm339 bistable multivibrator Abstract: of bistable multivibrator using transistor LM339 lm339 ic data LM239 Text: LM139,LM239,LM2901,LM3302,LM339 LM139/LM239/LM339/LM2901/LM3302 Low Power Low Offset Voltage Quad Comparators Literature Number: SNOSBJ3C LM139/LM239/LM339/LM2901/LM3302 Low Power Low Offset Voltage Quad Comparators General Description Features The LM139 series consists of four independent precision	Original	LM139 LM239 LM2901 LM3302 LM339 LM139/LM239/LM339/LM2901/LM3302 lm339 bistable multivibrator of bistable multivibrator using transistor LM339 lm339 ic data	PDF
lm339a Abstract: lm139a LM239A LMI39 LM339AJ LM3302J lm139 LM339 DC lm339a schematic 95ac Text: National Semiconductor LM 139/LM239/LM339/LM139A/LM239A/LM339A/ LM2901/LM3302 Low Power Low Offset Voltage Quad Comparators General Description • ■ ■ ■ The LM139 series consists of four independent precision	OCR Scan	/LM339/LM139A/LM239A/LM339A/LM2901/LM3302 139/LM239/LM339/LM139A/LM239A/LM339A/ LM2901/LM3302 LM139 TL/H/5706-26 TL/H/5706-29 TL/H/5706-31 lm339a lm139a LM239A LMI39 LM339AJ LM3302J LM339 DC lm339a schematic 95ac	PDF

LM2901M Search Results

LM2901M Result Highlights (5)

LM2901M Price and Stock

Texas Instruments LM2901MX-NOPB

Texas Instruments LM2901M-NOPB

onsemi LM2901M

Texas Instruments LM2901M

Flip Electronics LM2901MX

LM2901M Datasheets (37)

LM2901M Datasheets Context Search

LM2903MX

LM2903MX

IC LM 393 N

NATIONAL SEMICONDUCTOR MARKING CODE sot

LM393F

IC LM 393 N

LM339

sn76131

HIP9011ABR4682

LM339N

UPC451C

LM139 APPLICATIONS

LM393m

schematic diagram atx Power supply 500w

lm339 square wave

339 opamp

Untitled

FSQ510 Equivalent

Arduino Mega2560

irf14042

lm139

BA6869

lm339 bistable multivibrator

lm339a