Power Switch ICs - Power Distribution

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AP21x1 Load & USB Switches

Diodes AP21x1 series Load and USB Switches are integrated high-side power switches that are optimized for Universal Serial Bus (USB) and other hot-swap applications. The AP21x1 family complies with USB 2.0 and are available with both polarities of Enable input. They offer current and thermal limiting, short circuit protection, controlled rise time and undervoltage lockout functionality.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (USD) Filter the results in the table by unit price based on your quantity.	Qty.	Type	Number of Outputs	Output Current	Current Limit	On Resistance - Max	On Time - Max	Off Time - Max	Operating Supply Voltage	Minimum Operating Temperature	Maximum Operating Temperature	Mounting Style	Package / Case	Series	Packaging
Power Switch ICs - Power Distribution 0.5A 2.7V-5.5V AP2141MPG-13 Diodes Incorporated 1: $0.87 4,500In Stock	Mfr. Part # AP2141MPG-13 Mouser Part # 621-AP2141MPG-13	Diodes Incorporated	Power Switch ICs - Power Distribution 0.5A 2.7V-5.5V Learn More about Diodes Incorporated diodes ap21x1 switches	Datasheet	4,500In Stock	Cut Tape $0.87 $0.606 $0.544 $0.475 View Reel $0.35 $0.442 $0.423 $0.406 $0.35 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	High Side	1 Output		800 mA	115 mOhms	50 us	10 us	2.7 V to 5.5 V	- 40 C	+ 85 C	SMD/SMT	MSOP-8 EP	AP2141	Reel, Cut Tape, MouseReel
Power Switch ICs - Power Distribution 1.5A 2.7V-5.5V AP2191WG-7 Diodes Incorporated 1: $1.03 6,415In Stock	Mfr. Part # AP2191WG-7 Mouser Part # 621-AP2191WG-7	Diodes Incorporated	Power Switch ICs - Power Distribution 1.5A 2.7V-5.5V Learn More about Diodes Incorporated diodes ap21x1 switches	Datasheet	6,415In Stock	Cut Tape $1.03 $0.737 $0.644 $0.585 Reel $0.585 MouseReel Available	Min.: 1 Mult.: 1 Max.: 210 : 3,000	High Side	1 Output	1.5 A	2.1 A	115 mOhms	50 us	10 us	2.7 V to 5.5 V	- 40 C	+ 85 C	SMD/SMT	SOT-25-5	AP2191	Reel, Cut Tape, MouseReel
Power Switch ICs - Power Distribution 0.5A 2.7V-5.5V AP2141SG-13 Diodes Incorporated 1: $0.65 6,046In Stock	Mfr. Part # AP2141SG-13 Mouser Part # 621-AP2141SG-13	Diodes Incorporated	Power Switch ICs - Power Distribution 0.5A 2.7V-5.5V Learn More about Diodes Incorporated diodes ap21x1 switches	Datasheet	6,046In Stock	Cut Tape $0.65 $0.449 $0.401 $0.349 Reel $0.261 View $0.324 $0.308 $0.296 $0.254 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	High Side	1 Output		800 mA	115 mOhms	50 us	10 us	2.7 V to 5.5 V	- 40 C	+ 85 C	SMD/SMT	SOP-8	AP2141	Reel, Cut Tape, MouseReel
Power Switch ICs - Power Distribution INTRFCE EN ACTIVE LO 1.5A 2.7-5.5V AP2181FMG-7 Diodes Incorporated 1: $0.54 1,769In Stock	Mfr. Part # AP2181FMG-7 Mouser Part # 621-AP2181FMG-7	Diodes Incorporated	Power Switch ICs - Power Distribution INTRFCE EN ACTIVE LO 1.5A 2.7-5.5V Learn More about Diodes Incorporated diodes ap21x1 switches	Datasheet	1,769In Stock	Cut Tape $0.54 $0.374 $0.334 $0.291 View Reel $0.225 $0.27 $0.257 $0.247 $0.225 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	High Side	1 Output	1.5 A	2.1 A	110 mOhms	50 us	10 us	2.7 V to 5.5 V	- 40 C	+ 85 C	SMD/SMT	SOT-26	AP2181	Reel, Cut Tape, MouseReel
Power Switch ICs - Power Distribution 2A/5.5V SNGL CHANL CURRENT-LIMIT USB SW AP2101MPG-13 Diodes Incorporated 1: $0.61 3,972In Stock	Mfr. Part # AP2101MPG-13 Mouser Part # 621-AP2101MPG-13	Diodes Incorporated	Power Switch ICs - Power Distribution 2A/5.5V SNGL CHANL CURRENT-LIMIT USB SW Learn More about Diodes Incorporated diodes ap21x1 switches	Datasheet	3,972In Stock	Cut Tape $0.61 $0.424 $0.379 $0.329 View Reel $0.238 $0.306 $0.291 $0.28 $0.238 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	High Side	1 Output	2 A	2.45 A	115 mOhms	50 us	4 us	2.7 V to 5.5 V	- 35 C	+ 85 C	SMD/SMT	MSOP-8 EP	AP2101	Reel, Cut Tape, MouseReel
Power Switch ICs - Power Distribution 1A SGL Ch Crnt-Ltd Pwr Switch AP2171DM8G-13 Diodes Incorporated 1: $0.31 7,663In Stock	Mfr. Part # AP2171DM8G-13 Mouser Part # 621-AP2171DM8G-13	Diodes Incorporated	Power Switch ICs - Power Distribution 1A SGL Ch Crnt-Ltd Pwr Switch Learn More about Diodes Incorporated diodes ap21x1 switches	Datasheet	7,663In Stock	Cut Tape $0.31 $0.222 $0.196 $0.179 View Reel $0.148 $0.174 $0.17 $0.167 $0.148 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	High Side	1 Output	1 A	1.5 A	115 mOhms	50 us	50 us	2.7 V to 5.5 V	- 40 C	+ 85 C	SMD/SMT	MSOP-8	AP2171	Reel, Cut Tape, MouseReel
Power Switch ICs - Power Distribution 1.0A 2.7V-5.5V AP2161MPG-13 Diodes Incorporated 1: $0.87 2,367In Stock	Mfr. Part # AP2161MPG-13 Mouser Part # 621-AP2161MPG-13	Diodes Incorporated	Power Switch ICs - Power Distribution 1.0A 2.7V-5.5V Learn More about Diodes Incorporated diodes ap21x1 switches	Datasheet	2,367In Stock	Cut Tape $0.87 $0.606 $0.544 $0.475 View Reel $0.35 $0.442 $0.423 $0.406 $0.35 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	High Side	1 Output	1 A	1.5 A	115 mOhms	50 us	10 us	2.7 V to 5.5 V	- 40 C	+ 85 C	SMD/SMT	MSOP-8 EP	AP2161	Reel, Cut Tape, MouseReel
Power Switch ICs - Power Distribution 1.5A 2.7V-5.5V AP2181SG-13 Diodes Incorporated 1: $0.87 2,645In Stock	Mfr. Part # AP2181SG-13 Mouser Part # 621-AP2181SG-13	Diodes Incorporated	Power Switch ICs - Power Distribution 1.5A 2.7V-5.5V Learn More about Diodes Incorporated diodes ap21x1 switches	Datasheet	2,645In Stock	Cut Tape $0.87 $0.606 $0.544 $0.475 View Reel $0.35 $0.442 $0.423 $0.406 $0.35 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	High Side	1 Output	1.5 A	2.1 A	115 mOhms	50 us	10 us	2.7 V to 5.5 V	- 40 C	+ 85 C	SMD/SMT	SOP-8	AP2181	Reel, Cut Tape, MouseReel
Power Switch ICs - Power Distribution 0.5A 2.7V-5.5V AP2141WG-7 Diodes Incorporated 1: $0.49 8,919In Stock	Mfr. Part # AP2141WG-7 Mouser Part # 621-AP2141WG-7	Diodes Incorporated	Power Switch ICs - Power Distribution 0.5A 2.7V-5.5V Learn More about Diodes Incorporated diodes ap21x1 switches	Datasheet	8,919In Stock	Cut Tape $0.49 $0.34 $0.338 Reel $0.338 MouseReel Available	Min.: 1 Mult.: 1 Max.: 680 : 3,000	High Side	1 Output		800 mA	115 mOhms	50 us	10 us	2.7 V to 5.5 V	- 40 C	+ 85 C	SMD/SMT	SOT-25	AP2141	Reel, Cut Tape, MouseReel
Power Switch ICs - Power Distribution INTRFCE EN ACTIVE HI 0.5A 2.7V-5.5V AP2151FMG-7 Diodes Incorporated 1: $0.48 9,931In Stock	Mfr. Part # AP2151FMG-7 Mouser Part # 621-AP2151FMG-7	Diodes Incorporated	Power Switch ICs - Power Distribution INTRFCE EN ACTIVE HI 0.5A 2.7V-5.5V Learn More about Diodes Incorporated diodes ap21x1 switches	Datasheet	9,931In Stock	Cut Tape $0.48 $0.365 $0.302 $0.283 View Reel $0.269 $0.276 $0.269 $0.269 MouseReel Available	Min.: 1 Mult.: 1 Max.: 620 : 3,000	High Side	1 Output	500 mA	800 mA	110 mOhms	50 us	10 us	2.7 V to 5.5 V	- 40 C	+ 85 C	SMD/SMT	U-DFN2018-6	AP2151	Reel, Cut Tape, MouseReel
Power Switch ICs - Power Distribution 1.0A 2.7V-5.5V AP2171WG-7 Diodes Incorporated 1: $0.36 15,138In Stock	Mfr. Part # AP2171WG-7 Mouser Part # 621-AP2171WG-7	Diodes Incorporated	Power Switch ICs - Power Distribution 1.0A 2.7V-5.5V Learn More about Diodes Incorporated diodes ap21x1 switches	Datasheet	15,138In Stock	Cut Tape $0.36 $0.243 $0.209 $0.186 View Reel $0.171 $0.176 $0.171 $0.171 MouseReel Available	Min.: 1 Mult.: 1 Max.: 540 : 3,000	High Side	1 Output	1 A	1.5 A	115 mOhms	50 us	10 us	2.7 V to 5.5 V	- 40 C	+ 85 C	SMD/SMT	SOT-25	AP2171	Reel, Cut Tape, MouseReel
Power Switch ICs - Power Distribution 1.5A Single Ch USB 2.0 Switch 2.7V-5.5V AP2191DWG-7 Diodes Incorporated 1: $0.37 16,331In Stock	Mfr. Part # AP2191DWG-7 Mouser Part # 621-AP2191DWG-7	Diodes Incorporated	Power Switch ICs - Power Distribution 1.5A Single Ch USB 2.0 Switch 2.7V-5.5V Learn More about Diodes Incorporated diodes ap21x1 switches	Datasheet	16,331In Stock	Cut Tape $0.37 $0.248 $0.21 $0.188 View Reel $0.175 $0.18 $0.175 $0.175 MouseReel Available	Min.: 1 Mult.: 1 Max.: 540 : 3,000	High Side	1 Output	1.5 A	2.1 A	115 mOhms	50 us	50 us	2.7 V to 5.5 V	- 40 C	+ 85 C	SMD/SMT	SOT-25-5	AP2191	Reel, Cut Tape, MouseReel
Power Switch ICs - Power Distribution 2A/5.5V SNGL CHANL CURRENT-LIMIT USB SW AP2101SG-13 Diodes Incorporated 1: $0.61 1,502In Stock	Mfr. Part # AP2101SG-13 Mouser Part # 621-AP2101SG-13	Diodes Incorporated	Power Switch ICs - Power Distribution 2A/5.5V SNGL CHANL CURRENT-LIMIT USB SW Learn More about Diodes Incorporated diodes ap2101 ap2111 power switches	Datasheet	1,502In Stock	Cut Tape $0.61 $0.424 $0.379 $0.329 Reel $0.264 View $0.306 $0.291 $0.28 $0.257 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	High Side	1 Output	2 A	2.45 A	115 mOhms	50 us	4 us	2.7 V to 5.5 V	- 35 C	+ 85 C	SMD/SMT	SOP-8	AP2101	Reel, Cut Tape, MouseReel
Power Switch ICs - Power Distribution 2A/5.5V SNGL CHANL CURRENT-LIMIT USB SW AP2111MPG-13 Diodes Incorporated 1: $0.40 5,933In Stock 10,000Expected 2/15/2027	Mfr. Part # AP2111MPG-13 Mouser Part # 621-AP2111MPG-13	Diodes Incorporated	Power Switch ICs - Power Distribution 2A/5.5V SNGL CHANL CURRENT-LIMIT USB SW Learn More about Diodes Incorporated diodes ap21x1 switches	Datasheet	5,933In Stock 10,000Expected 2/15/2027	Cut Tape $0.40 $0.272 $0.234 $0.209 View Reel $0.173 $0.201 $0.196 $0.191 $0.173 MouseReel Available	Min.: 1 Mult.: 1 Max.: 2,500 : 2,500	High Side	1 Output	2 A	2.45 A	115 mOhms	50 us	4 us	2.7 V to 5.5 V	- 35 C	+ 85 C	SMD/SMT	MSOP-8 EP	AP2111	Reel, Cut Tape, MouseReel
Power Switch ICs - Power Distribution 2A/5.5V SNGL CHANL CURRENT-LIMIT USB SW AP2111SG-13 Diodes Incorporated 1: $0.64 666In Stock 5,000Expected 8/27/2027	Mfr. Part # AP2111SG-13 Mouser Part # 621-AP2111SG-13	Diodes Incorporated	Power Switch ICs - Power Distribution 2A/5.5V SNGL CHANL CURRENT-LIMIT USB SW Learn More about Diodes Incorporated diodes ap2101 ap2111 power switches	Datasheet	666In Stock 5,000Expected 8/27/2027	Cut Tape $0.64 $0.442 $0.383 $0.345 $0.331 Reel $0.331 MouseReel Available	Min.: 1 Mult.: 1 Max.: 280 : 2,500	High Side	1 Output	2 A	2.45 A	115 mOhms	50 us	4 us	2.7 V to 5.5 V	- 35 C	+ 85 C	SMD/SMT	SOIC-8	AP2111	Reel, Cut Tape, MouseReel
Power Switch ICs - Power Distribution 0.5A SINGLE CH USB 2.0 Switch 90mOhm AP2151DWG-7 Diodes Incorporated 1: $0.33 10,465In Stock 9,000Expected 10/26/2026	Mfr. Part # AP2151DWG-7 Mouser Part # 621-AP2151DWG-7	Diodes Incorporated	Power Switch ICs - Power Distribution 0.5A SINGLE CH USB 2.0 Switch 90mOhm Learn More about Diodes Incorporated diodes ap21x1 switches	Datasheet	10,465In Stock 9,000Expected 10/26/2026	Cut Tape $0.33 $0.248 $0.21 $0.188 View Reel $0.175 $0.18 $0.175 $0.175 MouseReel Available	Min.: 1 Mult.: 1 Max.: 540 : 3,000	High Side	1 Output	500 mA	800 mA	115 mOhms	50 us	50 us	2.7 V to 5.5 V	- 40 C	+ 85 C	SMD/SMT	SOT-25-5	AP2151	Reel, Cut Tape, MouseReel
Power Switch ICs - Power Distribution 0.5A 2.7V-5.5V AP2151MPG-13 Diodes Incorporated 1: $0.44 778In Stock	Mfr. Part # AP2151MPG-13 Mouser Part # 621-AP2151MPG-13	Diodes Incorporated	Power Switch ICs - Power Distribution 0.5A 2.7V-5.5V Learn More about Diodes Incorporated diodes ap21x1 switches	Datasheet	778In Stock	Cut Tape $0.44 $0.304 $0.259 $0.234 Reel $0.17 View $0.225 $0.219 $0.214 $0.169 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	High Side	1 Output	500 mA	800 mA	115 mOhms	50 us	10 us	2.7 V to 5.5 V	- 40 C	+ 85 C	SMD/SMT	MSOP-8 EP	AP2151	Reel, Cut Tape, MouseReel
Power Switch ICs - Power Distribution 0.5A 2.7V-5.5V AP2151WG-7 Diodes Incorporated 1: $0.63 2,458In Stock 15,000On Order	Mfr. Part # AP2151WG-7 Mouser Part # 621-AP2151WG-7	Diodes Incorporated	Power Switch ICs - Power Distribution 0.5A 2.7V-5.5V Learn More about Diodes Incorporated diodes ap21x1 switches	Datasheet	2,458In Stock 15,000On Order On Order Ship Dates Mfr. #: AP2151WG-7 Stock: 2,458 Can Ship Immediately On Order: 6,000 Expected 1/1/2027 9,000 Expected 1/22/2027 Factory Lead-Time: 40 Weeks	Cut Tape $0.63 $0.44 $0.366 $0.343 Reel $0.343 MouseReel Available	Min.: 1 Mult.: 1 Max.: 580 : 3,000	High Side	1 Output	500 mA	800 mA	115 mOhms	50 us	10 us	2.7 V to 5.5 V	- 40 C	+ 85 C	SMD/SMT	SOT-25	AP2151	Reel, Cut Tape, MouseReel
Power Switch ICs - Power Distribution 1A 2.7V-5.5V AP2161WG-7 Diodes Incorporated 1: $0.36 8,859In Stock	Mfr. Part # AP2161WG-7 Mouser Part # 621-AP2161WG-7	Diodes Incorporated	Power Switch ICs - Power Distribution 1A 2.7V-5.5V Learn More about Diodes Incorporated diodes ap21x1 switches	Datasheet	8,859In Stock	Cut Tape $0.36 $0.256 $0.223 $0.199 View Reel $0.157 $0.184 $0.175 $0.167 $0.157 MouseReel Available	Min.: 1 Mult.: 1 Max.: 3,000 : 3,000	High Side	1 Output	1 A	1.5 A	115 mOhms	50 us	10 us	2.7 V to 5.5 V	- 40 C	+ 85 C	SMD/SMT	SOT-25	AP2161	Reel, Cut Tape, MouseReel
Power Switch ICs - Power Distribution INTRFCE EN ACTIVE HI 1A 2.7-5.5V AP2171FMG-7 Diodes Incorporated 1: $0.54 287In Stock 12,000On Order	Mfr. Part # AP2171FMG-7 Mouser Part # 621-AP2171FMG-7	Diodes Incorporated	Power Switch ICs - Power Distribution INTRFCE EN ACTIVE HI 1A 2.7-5.5V Learn More about Diodes Incorporated diodes ap21x1 switches	Datasheet	287In Stock 12,000On Order On Order Ship Dates Mfr. #: AP2171FMG-7 Stock: 287 Can Ship Immediately On Order: 6,000 Expected 1/20/2027 6,000 Expected 6/25/2027 Factory Lead-Time: 40 Weeks	Cut Tape $0.54 $0.374 $0.334 $0.291 $0.278 Reel $0.278 MouseReel Available	Min.: 1 Mult.: 1 Max.: 440 : 3,000	High Side	1 Output	1 A	1.5 A	110 mOhms	50 us	10 us	2.7 V to 5.5 V	- 40 C	+ 85 C	SMD/SMT	DFN-6	AP2171	Reel, Cut Tape, MouseReel
Power Switch ICs - Power Distribution 1.5A 2.7V-5.5V AP2191SG-13 Diodes Incorporated 1: $1.11 158In Stock 2,500Expected 2/3/2027	Mfr. Part # AP2191SG-13 Mouser Part # 621-AP2191SG-13	Diodes Incorporated	Power Switch ICs - Power Distribution 1.5A 2.7V-5.5V Learn More about Diodes Incorporated diodes ap21x1 switches	Datasheet	158In Stock 2,500Expected 2/3/2027	Cut Tape $1.11 $0.893 $0.717 $0.697 Reel $0.697 MouseReel Available	Min.: 1 Mult.: 1 Max.: 320 : 2,500	High Side	1 Output	1.5 A	2.1 A	115 mOhms	50 us	10 us	2.7 V to 5.5 V	- 40 C	+ 85 C	SMD/SMT	SOIC-8	AP2191	Reel, Cut Tape, MouseReel
Power Switch ICs - Power Distribution INTRFCE EN ACTIVE LO 1.0A 2.7-5.5V Diodes Incorporated AP2161FMG-7 AP2161FMG-7 Diodes Incorporated 1: $0.56 109In Stock 12,000Expected 6/23/2027	Mfr. Part # AP2161FMG-7 Mouser Part # 621-AP2161FMG-7	Diodes Incorporated	Power Switch ICs - Power Distribution INTRFCE EN ACTIVE LO 1.0A 2.7-5.5V Learn More about Diodes Incorporated diodes ap21x1 switches	Datasheet	109In Stock 12,000Expected 6/23/2027	Cut Tape $0.56 $0.393 $0.339 $0.305 Reel $0.245 View $0.294 $0.287 $0.281 $0.244 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	High Side	1 Output	1 A	1.5 A	110 mOhms	50 us	10 us	2.7 V to 5.5 V	- 40 C	+ 85 C	SMD/SMT	SOT-26	AP2161	Reel, Cut Tape, MouseReel
Power Switch ICs - Power Distribution 0.5A 2.7V-5.5V AP2151SG-13 Diodes Incorporated 1: $0.68 43,779On Order	Mfr. Part # AP2151SG-13 Mouser Part # 621-AP2151SG-13	Diodes Incorporated	Power Switch ICs - Power Distribution 0.5A 2.7V-5.5V Learn More about Diodes Incorporated diodes ap21x1 switches	Datasheet	43,779On Order On Order Ship Dates Mfr. #: AP2151SG-13 Stock: 0 On Order: 8,779 Expected 10/30/2026 27,500 Expected 11/2/2026 7,500 Expected 2/17/2027 Factory Lead-Time: 40 Weeks	Cut Tape $0.68 $0.412 $0.377 $0.35 Reel $0.312 MouseReel Available	Min.: 1 Mult.: 1 Max.: 2,520 : 2,500	High Side	1 Output	500 mA	800 mA	115 mOhms	50 us	10 us	2.7 V to 5.5 V	- 40 C	+ 85 C	SMD/SMT	SOP-8	AP2151	Reel, Cut Tape, MouseReel
Power Switch ICs - Power Distribution 1.0A 2.7V-5.5V AP2171MPG-13 Diodes Incorporated 1: $0.90 12,500On Order	Mfr. Part # AP2171MPG-13 Mouser Part # 621-AP2171MPG-13	Diodes Incorporated	Power Switch ICs - Power Distribution 1.0A 2.7V-5.5V Learn More about Diodes Incorporated diodes ap21x1 switches	Datasheet	12,500On Order On Order Ship Dates Mfr. #: AP2171MPG-13 Stock: 0 On Order: 10,000 Expected 2/1/2027 2,500 Expected 2/3/2027 Factory Lead-Time: 40 Weeks	Cut Tape $0.90 $0.63 $0.543 $0.496 View Reel $0.375 $0.477 $0.467 $0.457 $0.375 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	High Side	1 Output	1 A	1.5 A	115 mOhms	50 us	10 us	2.7 V to 5.5 V	- 40 C	+ 85 C	SMD/SMT	MSOP-8 EP	AP2171	Reel, Cut Tape, MouseReel
Power Switch ICs - Power Distribution 1A 2.7V-5.5V AP2171SG-13 Diodes Incorporated 1: $0.65 5,000Expected 10/26/2026	Mfr. Part # AP2171SG-13 Mouser Part # 621-AP2171SG-13	Diodes Incorporated	Power Switch ICs - Power Distribution 1A 2.7V-5.5V Learn More about Diodes Incorporated diodes ap21x1 switches	Datasheet	5,000Expected 10/26/2026	Cut Tape $0.65 $0.44 $0.388 $0.364 Reel $0.338 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	High Side	1 Output	1 A	1.5 A	115 mOhms	50 us	10 us	2.7 V to 5.5 V	- 40 C	+ 85 C	SMD/SMT	SOP-8	AP2171	Reel, Cut Tape, MouseReel

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