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element14 Asia-Pacific ECIA (NEDA) Member • Authorized Distributor

PART NUMBER	MANUFACTURER	DESCRIPTION	STOCK	PRICE	BUY
MCP23S17-E/SO D#: 1332093	Microchip Technology Inc	16BIT EXPANDER, I/O, SPI I/F, SMD RoHS: Compliant Min Qty: 1 Container: Each	Local - 1226 Global - 36385	1 S$2.4000 25 S$1.9900 100 S$1.8200	Buy Now

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Farnell ECIA (NEDA) Member • Authorized Distributor

PART NUMBER	MANUFACTURER	DESCRIPTION	STOCK	PRICE	BUY
MCP23S17-E/SO D#: 1332093	Microchip Technology Inc	16BIT EXPANDER, I/O, SPI I/F, SMD RoHS: Compliant Min Qty: 1 Lead time: 6 Weeks, 1 Days Container: Each	34984	1 £1.3000 25 £1.1900 100 £1.0700 250 £0.9320 Show All	Buy Now

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Newark ECIA (NEDA) Member • Authorized Distributor

PART NUMBER	MANUFACTURER	DESCRIPTION	STOCK	PRICE	BUY
MCP23S17-E/SO D#: 31K2950	Microchip Technology Inc	Ic, I/O Expander, 16Bit, 10Mhz, Soic-28, No. Of Bits:16Bit, Interfaces:Serial, Spi, Supply Voltage Min:4.5V, Supply Voltage Max:5.5V, Ic Case/Package:Soic, No. Of Pins:28Pins, No. Of I/O S:16I/O S, Operating Temperature Min:-40°C Rohs Compliant: Yes |Microchip Technology MCP23S17-E/SO RoHS: Compliant Min Qty: 1 Package Multiple: 1 Date Code: 1 Container: Bulk	1516	1 $1.7400 10 $1.6000 25 $1.4400 54 $1.3800 108 $1.3200 Show All	Buy Now

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Mouser Electronics ECIA (NEDA) Member • Authorized Distributor

PART NUMBER	MANUFACTURER	DESCRIPTION	STOCK	PRICE	BUY
MCP23S17-E/SO D#: 579-MCP23S17-E/SO	Microchip Technology Inc	Interface - I/O Expanders 16bit Input/Output Exp SPI interface RoHS: Compliant	36494	1 $1.6900	Buy Now
MCP23S17T-E/SO D#: 579-MCP23S17T-E/SO	Microchip Technology Inc	Interface - I/O Expanders 16bit Input/Output Exp SPI interface RoHS: Compliant	7414	1 $1.6900	Buy Now

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Verical Authorized Distributor

PART NUMBER	MANUFACTURER	DESCRIPTION	STOCK	PRICE	BUY
MCP23S17-E/SO D#: 83591274	Microchip Technology Inc	SPI Interface 10000kHz 5.5V 28-Pin SOIC W Tube RoHS: Compliant Min Qty: 54 Package Multiple: 27 Date Code: 2330	Americas - 2052	1026 $1.3412 513 $1.4118 270 $1.4353 108 $1.4941 54 $1.5647 Show All	Buy Now

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Avnet Americas Authorized Distributor

PART NUMBER	MANUFACTURER	DESCRIPTION	STOCK	PRICE	BUY
MCP23S17-E/SO D#: MCP23S17-E/SO	Microchip Technology Inc	I/O Expander 28-Pin SOIC W - Rail/Tube (Alt: MCP23S17-E/SO) RoHS: Compliant Min Qty: 27 Package Multiple: 1 Lead time: 4 Weeks, 0 Days Container: Tube	1615	432 $1.3750 216 $1.4157 108 $1.4360 54 $1.4569 27 $1.4865 Show All	Buy Now
MCP23S17-E/SO D#: 31K2950	Microchip Technology Inc	I/O Expander 28-Pin SOIC W - Bulk (Alt: 31K2950) RoHS: Compliant Min Qty: 1 Package Multiple: 1 Container: Bulk	1516 Partner Stock	513 $1.3200 1 $1.3800	RFQ

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Microchip Technology Inc Manufacturer Direct – Inventory Available for Immediate and Future Delivery

PART NUMBER	MANUFACTURER	DESCRIPTION	STOCK	PRICE	BUY
MCP23S17-E/SOVAO D#: MCP23S17-E/SOVAO	Microchip Technology Inc	16-BIT I/O EXPANDERS WITH I2C & SPI INTERFACE, SOIC, Projected EOL: 2045-08-24 RoHS: Compliant Lead time: 6 Weeks, 0 Days Container: Tube	In Stock: 10400 and Alternates Available	5000 $1.2400 1000 $1.2500 100 $1.2800 25 $1.4000 1 $1.6900 Show All	Buy Now
MCP23S17-E/SO D#: MCP23S17-E/SO	Microchip Technology Inc	16-BIT I/O EXPANDERS WITH I2C & SPI INTERFACE, SOIC, Projected EOL: 2034-06-24 RoHS: Compliant Lead time: 17 Weeks, 0 Days Container: Tube	In Stock: 81 and Alternates Available Incoming: 9 expected 6/7/2026	5000 $1.2400 1000 $1.2500 100 $1.2800 25 $1.4000 1 $1.6900 Show All	Buy Now

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RS (Formerly Allied Electronics & Automation)

PART NUMBER	MANUFACTURER	DESCRIPTION	STOCK	PRICE	BUY
MCP23S17-E/SO D#: 70413691	Microchip Technology Inc	MICROCHIP MCP23S17-E/SO,16-CHANNEL 16BIT I/O EXP&ER 5MHZ, SERIAL-SPI,28-PIN SOIC Min Qty: 297 Package Multiple: 1 Lead time: 52 Weeks, 0 Days Container: Bulk	0	297 $1.6900 1485 $1.5500 2970 $1.4900	RFQ

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Onlinecomponents.com ECIA (NEDA) Member • Authorized Distributor

PART NUMBER	MANUFACTURER	DESCRIPTION	STOCK	PRICE	BUY
MCP23S17-E/SO	Microchip Technology Inc	16-Bit I/O Expander - 10MHz - SPI - 5.5 V - SOIC 28-Pin. RoHS: Compliant	3067 In Stock 10 Factory Stock	7506 $1.2100 5022 $1.2200 2511 $1.2300 1026 $1.2400 513 $1.2500 270 $1.2600 108 $1.2700 27 $1.5600 Show All	Buy Now

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Future Electronics ECIA (NEDA) Member • Authorized Distributor

PART NUMBER	MANUFACTURER	DESCRIPTION	STOCK	PRICE	BUY
MCP23S17-E/SO	Microchip Technology Inc	16-BIT INPUT/OUTPUT EXPANDER, SPI INTERFACE, PB-FREE RoHS: Compliant pbFree: Yes Min Qty: 324 Package Multiple: 27 Container: Tube	0 Tube	20 $1.3800 50 $1.3700 150 $1.3500 500 $1.3300 1500 $1.3000 Show All	Buy Now

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DigiKey ECIA (NEDA) Member • Authorized Distributor

PART NUMBER	MANUFACTURER	DESCRIPTION	STOCK	PRICE	BUY
MCP23S17-E/SO D#: MCP23S17-E/SO-ND	Microchip Technology Inc	IC XPNDR 10MHZ SPI 28SOIC Min Qty: 1 Lead time: 4 Weeks Container: Tube	10972 In Stock	100 $1.2800 25 $1.4000 1 $1.6900	Buy Now

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Master Electronics ECIA (NEDA) Member • Authorized Distributor

PART NUMBER	MANUFACTURER	DESCRIPTION	STOCK	PRICE	BUY
MCP23S17-E/SO	Microchip Technology Inc	16-Bit I/O Expander - 10MHz - SPI - 5.5 V - SOIC 28-Pin. RoHS: Compliant	3067 In Stock 10 Factory Stock	7506 $1.2100 5022 $1.2200 2511 $1.2300 1026 $1.2400 513 $1.2500 270 $1.2600 108 $1.2700 27 $1.5600 Show All	Buy Now

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TME ECIA Member • Authorized Distributor

PART NUMBER	MANUFACTURER	DESCRIPTION	STOCK	PRICE	BUY
MCP23S17-E/SO D#: MCP23S17-E/SO	Microchip Technology Inc	IC: interface, I/O expander, 10Mbps, 1.8÷5.5VDC, SPI, SMD, SOIC28 Min Qty: 1	1	27 $1.4100 1 $1.5900	Buy Now

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Component Stockers  

PART NUMBER	MANUFACTURER	DESCRIPTION	STOCK	PRICE	BUY
MCP23S17-E/SOVAO D#: MCP23S17-E/SOVAO	Microchip Technology Inc		590	1 $99.9900	RFQ

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ICMILES Electronics Ltd  

PART NUMBER	MANUFACTURER	DESCRIPTION	STOCK	PRICE	BUY
MCP23S17-E/SO	Microchip	16-VQFN	8878		RFQ

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C Plus Electronics  

PART NUMBER	MANUFACTURER	DESCRIPTION	STOCK	PRICE	BUY
MCP23S17-E/SO	SMSC	Ask for Samsung & LG Lithium Ion Batteries - Lead time Prices Only	6		RFQ

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IBS Electronics  

PART NUMBER	MANUFACTURER	DESCRIPTION	STOCK	PRICE	BUY
MCP23S17-E/SO D#: MCP23S17-E/SO	Microchip Technology Inc	I²C BUS IC OPERATING TEMPERATURE: -40...+125 °C POWER SUPPLY: 1.8...5.5 V PACKAGE: SOIC-28 Min Qty: 1 Package Multiple: 1	4795	20 $1.9354 27 $1.9354 50 $1.9214 108 $1.8934 135 $1.7952 405 $1.8653 Show All	Buy Now

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Richardson RFPD Authorized Distributor

PART NUMBER	MANUFACTURER	DESCRIPTION	STOCK	PRICE	BUY
MCP23S17-E/SO D#: MCP23S17-E/SO	Microchip Technology Inc	SPI Interface 10000kHz 5.5V 28-Pin SOIC W Tube RoHS: Compliant Min Qty: 243	0		RFQ

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Unikey Electronic Pte Ltd  

PART NUMBER	MANUFACTURER	DESCRIPTION	STOCK	PRICE	BUY
MCP23S17-E/SO D#: MCP23S17-E/SO	Microchip Technology Inc	Microchip 16I/O, - SPI, SOIC Min Qty: 27 Date Code: 22+	292	27 $1.1396 54 $1.1202	Buy Now

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Axis Part Limited  

PART NUMBER	MANUFACTURER	DESCRIPTION	STOCK	PRICE	BUY
MCP23S17-E/SO	Microchip Technology	IC I/O EXPANDER SPI 16B 28SOIC	16615		Buy Now
MCP23S17-E/SO	MICROCHIP	Purchase Online. Ship Immediately.	168	100 $1.2178 50 $1.4613 10 $1.7048 1 $2.3047 Show All	Buy Now

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NAC ECIA (NEDA) Member • Authorized Distributor

PART NUMBER	MANUFACTURER	DESCRIPTION	STOCK	PRICE	BUY
MCP23S17-E/SO	Microchip Technology Inc	16-bit Input/Output Expander, SPI interface, Pb-free. Package: 28 SOIC .300in TUBE - INTERFACE Product Line RoHS: Compliant Min Qty: 243 Package Multiple: 27 Container: Tube	0	1 $1.6900 100 $1.5300 500 $1.4100 1000 $1.3800 Show All	Buy Now

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Time Way Electronics Limited  

PART NUMBER	MANUFACTURER	DESCRIPTION	STOCK	PRICE	BUY
MCP23S17-E/SO	Microchip Technology Inc	IN STOCK	870		RFQ

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North Star Micro Electronics  

PART NUMBER	MANUFACTURER	DESCRIPTION	STOCK	PRICE	BUY
MCP23S17-E/SO D#: NS-MCP23S17-E/SO	Microchip Technology Inc	OEM/CM ONLY	8386		RFQ
MCP23S17-E-SO D#: NS-MCP23S17-E-SO	Microchip Technology Inc	OEM/CM ONLY	2169		RFQ

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Bristol Electronics  

PART NUMBER	MANUFACTURER	DESCRIPTION	STOCK	PRICE	BUY
MCP23S17-E/SO	Microchip Technology Inc	SPI Interface 10000kHz 5.5V 28-Pin SOIC W Tube	73		RFQ

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Quest Components  

PART NUMBER	MANUFACTURER	DESCRIPTION	STOCK	PRICE	BUY
MCP23S17-E/SO	Microchip Technology Inc	IC,I/O PORT,16-BIT,SOP,28PIN,PLASTIC	5252	409 $4.4511 183 $4.8962 1 $8.9022	Buy Now
MCP23S17-E/SO	Microchip Technology Inc	IC,I/O PORT,16-BIT,SOP,28PIN,PLASTIC	524	350 $1.5345 162 $1.7205 1 $3.7200	Buy Now
MCP23S17-E/SO	Microchip Technology Inc	IC,I/O PORT,16-BIT,SOP,28PIN,PLASTIC	259	249 $3.5921 58 $4.0275 1 $6.5310	Buy Now

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Hermes Engineering  

PART NUMBER	MANUFACTURER	DESCRIPTION	STOCK	PRICE	BUY
MCP23S17-E/SO	Microchip Technology Inc		20		RFQ

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Chip Stock  

PART NUMBER	MANUFACTURER	DESCRIPTION	STOCK	PRICE	BUY
MCP23S17-E/SO	Microchip Technology Inc	I²C Bus IC Operating temperature: -40...+125 °C Power supply: 1.8...5.5 V Package: SOIC-28	38500		RFQ

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Futuretech Components Ltd  

PART NUMBER	MANUFACTURER	DESCRIPTION	STOCK	PRICE	BUY
MCP23S17-E/SO	Microchip Technology Inc	OEM/CM/EMS Only	3000		RFQ

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Win Source Electronics  

PART NUMBER	MANUFACTURER	DESCRIPTION	STOCK	PRICE	BUY
MCP23S17-E/SO	Microchip Technology Inc	IC I/O EXPANDER SPI 16B 28SOIC	28809	275 $1.1015 220 $1.1463 170 $1.1911 120 $1.2806 80 $1.3254 40 $1.4149 Show All	Buy Now

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YIC International Co., Limited  

PART NUMBER	MANUFACTURER	DESCRIPTION	STOCK	PRICE	BUY
MCP23S17-E/SO	Microchip Technology Inc	IC XPNDR 10MHZ SPI 28SOIC	5500	1 $1.8040 10 $1.8040 100 $1.8040 1000 $1.8040 10000 $1.8040 Show All	RFQ
MCP23S17E/SO	MICROCHI	SOIC28	2100	1 $115.2300 10 $115.2300 100 $115.2300 1000 $115.2300 10000 $115.2300 Show All	RFQ

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Sense Electronic Company Limited  

PART NUMBER	MANUFACTURER	DESCRIPTION	STOCK	PRICE	BUY
MCP23S17-E/SO	Microchip Technology Inc	N/A	3116		RFQ

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EBV Elektronik Authorized Distributor

PART NUMBER	MANUFACTURER	DESCRIPTION	STOCK	PRICE	BUY
MCP23S17-E/SO D#: MCP23S17-E/SO	Microchip Technology Inc	IO Expander 28Pin SOIC W (Alt: MCP23S17-E/SO) RoHS: Compliant Min Qty: 27 Package Multiple: 27 Lead time: 5 Weeks, 0 Days	EBV - 243		Buy Now

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Sierra IC  

PART NUMBER	MANUFACTURER	DESCRIPTION	STOCK	PRICE	BUY
MCP23S17E/SO	Microchip Technology Inc	OEM/CM ONLY	86324		RFQ
MCP23S17E/SOND	Microchip Technology Inc	OEM/CM ONLY	20		RFQ

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Perfect Parts Corporation  

PART NUMBER	MANUFACTURER	DESCRIPTION	STOCK	PRICE	BUY
MCP23S17-E/SO	Microchip Technology Inc		18353		RFQ
MCP23S17-E/SO	Microchip Technology Inc		3360		RFQ
MCP23S17-E/SO	MFG UPON REQUEST		2464		RFQ

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Utmel Electronic  

PART NUMBER	MANUFACTURER	DESCRIPTION	STOCK	PRICE	BUY
MCP23S17-E/SO	Microchip Technology Inc	MICROCHIP - MCP23S17-E/SO - I/O-Erweiterung, 16bit, 10 MHz, Seriell, SPI, 4.5 V, 5.5 V, SOIC	20	1 $4.3410 10 $4.0953 100 $3.8635 500 $3.6448 Show All	RFQ

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Shengyu Electronics Technology Limited  

PART NUMBER	MANUFACTURER	DESCRIPTION	STOCK	PRICE	BUY
MCP23S17-E/SO	Microchip Technology Inc	IC XPNDR 10MHZ SPI 28SOIC	35595		RFQ

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Unicom Electronics  

PART NUMBER	MANUFACTURER	DESCRIPTION	STOCK	PRICE	BUY
MCP23S17-E/SO	Microchip Technology Inc	IN STOCK Immediate delivery	4780		RFQ

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MountainView Components Inc.  

PART NUMBER	MANUFACTURER	DESCRIPTION	STOCK	PRICE	BUY
MCP23S17-E/SO	Microchip Technology Inc	OEM/CM Immediate delivery	5880		RFQ

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IC Components Limited  

PART NUMBER	MANUFACTURER	DESCRIPTION	STOCK	PRICE	BUY
MCP23S17E/SO	MICROCHIP	1141	107368		RFQ
MCP23S17-E/SO	Micrel Inc	IC XPNDR 10MHZ SPI 28SOIC	3416	1 $1.8126	RFQ

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LCSC  

PART NUMBER	MANUFACTURER	DESCRIPTION	STOCK	PRICE	BUY
MCP23S17-E/SO D#: C145413	Microchip Technology Inc	16 SPI SOIC-28-300mil I/O Expanders RoHS	858	1 $1.6916 10 $1.4032 27 $1.2687 108 $1.0889 540 $1.0095 Show All	Buy Now

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Unibetter Technology Co., Ltd  

PART NUMBER	MANUFACTURER	DESCRIPTION	STOCK	PRICE	BUY
MCP23S17-E/SO	Microchip Technology Inc	Interface - I/O Expanders 16bit Input/Output Exp SPI interface	1118		RFQ

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Silitech Components Inc.  

PART NUMBER	MANUFACTURER	DESCRIPTION	STOCK	PRICE	BUY
MCP23S17-E/SO	Microchip Technology Inc	IN stock Immediate delivery	5895		RFQ

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New Strength Electronic Co., Limited  

PART NUMBER	MANUFACTURER	DESCRIPTION	STOCK	PRICE	BUY
MCP23S17-E/SO	Microchip Technology Inc	IC I/O EXPANDER SPI 16B 28SOIC	9572		RFQ

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Avnet Silica Authorized Distributor

PART NUMBER	MANUFACTURER	DESCRIPTION	STOCK	PRICE	BUY
MCP23S17-E/SO D#: MCP23S17-E/SO	Microchip Technology Inc	IO Expander 28Pin SOIC W (Alt: MCP23S17-E/SO) RoHS: Compliant Min Qty: 27 Package Multiple: 27 Lead time: 6 Weeks, 0 Days	Silica - 189		Buy Now

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GlobalTek Components  

PART NUMBER	MANUFACTURER	DESCRIPTION	STOCK	PRICE	BUY
MCP23S17ESO	Microchip Technology Inc	OEM/CM QUOTES ONLY | NO BROKERS	3206011		RFQ
MCP23S17ESOIC	Microchip Technology Inc	OEM/CM QUOTES ONLY | NO BROKERS	840		RFQ
MCCMCP23S17ESO	Microchip Technology Inc	OEM/CM QUOTES ONLY | NO BROKERS	810		RFQ
MCP23S17ESOORMCP23S17TESO		OEM/CM QUOTES ONLY | NO BROKERS	480		RFQ
MCP23S17TESOORMCP23S17ESO	Microchip Technology Inc	OEM/CM QUOTES ONLY | NO BROKERS	432		RFQ
MCP23S17ESOMCP23S17TESO	Microchip Technology Inc	OEM/CM QUOTES ONLY | NO BROKERS	120		RFQ

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Cytech Systems Limited  

PART NUMBER	MANUFACTURER	DESCRIPTION	STOCK	PRICE	BUY
MCP23S17-E/SO	Microchip Technology Inc	IC XPNDR 10MHZ SPI 28SOIC	81		RFQ

mcp23s17-e/so associated parts:

• MCP23S17-E/SOVAO •
• MCP23S17T-E/SO •
• MCP23S17-E/SOVAO •
• MCP23S17-E-SO •
• MCP23S17E/SO •
• MCP23S17E/SO •
• MCP23S17E/SOND •
• MCP23S17E/SO •
• MCP23S17ESO •
• MCP23S17ESOIC •
• MCCMCP23S17ESO •
• MCP23S17ESOORMCP23S17TESO •
• MCP23S17TESOORMCP23S17ESO •
• MCP23S17ESOMCP23S17TESO

Popular Parallel IO Ports Searches:

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• PCF8574ADWR •
• TCA6424ARGJR •
• TXS02612RTWR •
• PCF8574T •
• UPD71055GB-10-3B4 •
• IS82C55AZ •
• TCA9535PWR •
• PCA6416AHF