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.

Results: 28
Select Image Part # Mfr. Description Datasheet Availability Pricing (USD) Filter the results in the table by unit price based on your quantity. Qty. RoHS ECAD Model 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
Diodes Incorporated Power Switch ICs - Power Distribution 0.5A 2.7V-5.5V 4,500In Stock
Cut Tape
$0.87
$0.606
$0.544
$0.476
Reel
$0.342
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

Diodes Incorporated Power Switch ICs - Power Distribution 0.5A 2.7V-5.5V 6,046In Stock
Cut Tape
$0.65
$0.449
$0.401
$0.349
Reel
$0.249
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
Diodes Incorporated Power Switch ICs - Power Distribution 1.0A 2.7V-5.5V 2,367In Stock
Cut Tape
$0.87
$0.606
$0.544
$0.476
Reel
$0.35
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

Diodes Incorporated Power Switch ICs - Power Distribution INTRFCE EN ACTIVE LO 1.5A 2.7-5.5V 1,769In Stock
Cut Tape
$0.54
$0.374
$0.334
$0.291
Reel
$0.226
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

Diodes Incorporated Power Switch ICs - Power Distribution 1.5A 2.7V-5.5V 2,645In Stock
Cut Tape
$0.87
$0.606
$0.544
$0.476
Reel
$0.35
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
Diodes Incorporated Power Switch ICs - Power Distribution 2A/5.5V SNGL CHANL CURRENT-LIMIT USB SW 3,974In Stock
Cut Tape
$0.611
$0.424
$0.379
$0.329
Reel
$0.233
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

Diodes Incorporated Power Switch ICs - Power Distribution 1A SGL Ch Crnt-Ltd Pwr Switch 7,663In Stock
Cut Tape
$0.311
$0.222
$0.197
$0.179
Reel
$0.148
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
Diodes Incorporated Power Switch ICs - Power Distribution 0.5A 2.7V-5.5V 8,949In Stock
Cut Tape
$0.49
$0.34
$0.338
Reel
$0.338
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
Diodes Incorporated Power Switch ICs - Power Distribution INTRFCE EN ACTIVE HI 0.5A 2.7V-5.5V 10,327In Stock
Cut Tape
$0.48
$0.365
$0.302
$0.283
Reel
$0.269
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
Diodes Incorporated Power Switch ICs - Power Distribution 0.5A 2.7V-5.5V 6,219In Stock
15,000On Order
Cut Tape
$0.63
$0.44
$0.366
$0.343
Reel
$0.343
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
Diodes Incorporated Power Switch ICs - Power Distribution 1A 2.7V-5.5V 12,145In Stock
Cut Tape
$0.361
$0.256
$0.223
$0.202
Reel
$0.163
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
Diodes Incorporated Power Switch ICs - Power Distribution 1.0A 2.7V-5.5V 15,726In Stock
Cut Tape
$0.361
$0.243
$0.209
$0.186
Reel
$0.171
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
Diodes Incorporated Power Switch ICs - Power Distribution 1.5A Single Ch USB 2.0 Switch 2.7V-5.5V 16,250In Stock
Cut Tape
$0.37
$0.248
$0.211
$0.188
Reel
$0.176
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
Diodes Incorporated Power Switch ICs - Power Distribution 1.5A 2.7V-5.5V 6,409In Stock
Cut Tape
$1.03
$0.737
$0.644
$0.585
Reel
$0.585
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
Diodes Incorporated Power Switch ICs - Power Distribution 0.5A 2.7V-5.5V 778In Stock
Cut Tape
$0.44
$0.304
$0.259
$0.234
Reel
$0.17
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
Diodes Incorporated AP2161FMG-7
Diodes Incorporated Power Switch ICs - Power Distribution INTRFCE EN ACTIVE LO 1.0A 2.7-5.5V 16,149In Stock
Cut Tape
$0.54
$0.374
$0.334
$0.291
Reel
$0.221
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

Diodes Incorporated Power Switch ICs - Power Distribution 2A/5.5V SNGL CHANL CURRENT-LIMIT USB SW 1,502In Stock
Cut Tape
$0.611
$0.424
$0.379
$0.329
Reel
$0.264
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

Diodes Incorporated Power Switch ICs - Power Distribution 2A/5.5V SNGL CHANL CURRENT-LIMIT USB SW 5,893In Stock
10,000Expected 2026/10/19
Cut Tape
$0.40
$0.272
$0.234
$0.209
Reel
$0.173
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

Diodes Incorporated Power Switch ICs - Power Distribution 2A/5.5V SNGL CHANL CURRENT-LIMIT USB SW 1,671In Stock
Cut Tape
$0.611
$0.424
$0.379
$0.329
$0.306
Reel
$0.306
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
Diodes Incorporated Power Switch ICs - Power Distribution 0.5A SINGLE CH USB 2.0 Switch 90mOhm 10,557In Stock
9,000Expected 2026/10/19
Cut Tape
$0.33
$0.248
$0.211
$0.188
Reel
$0.176
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
Diodes Incorporated Power Switch ICs - Power Distribution INTRFCE EN ACTIVE HI 1A 2.7-5.5V 635In Stock
6,000Expected 2027/06/02
Cut Tape
$0.54
$0.374
$0.334
$0.291
$0.278
Reel
$0.278
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
Diodes Incorporated Power Switch ICs - Power Distribution 1.0A 2.7V-5.5V Lead-Time 20 Weeks
Cut Tape
$0.861
$0.605
$0.543
$0.475
Reel
$0.388
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
Diodes Incorporated Power Switch ICs - Power Distribution 1.5A 2.7V-5.5V 79In Stock
2,500Expected 2026/11/02
Cut Tape
$1.11
$0.893
$0.718
$0.697
Reel
$0.697
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

Diodes Incorporated Power Switch ICs - Power Distribution 0.5A 2.7V-5.5V
43,779On Order
Cut Tape
$0.78
$0.444
$0.405
$0.358
Reel
$0.302
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

Diodes Incorporated Power Switch ICs - Power Distribution 1A 2.7V-5.5V
5,000Expected 2026/10/19
Cut Tape
$0.661
$0.465
$0.388
$0.364
Reel
$0.338
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