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Manufacturer Part #


AP2161 Series 115 mOhm 1.5 A Single Channel Current-Limited Power Switch- SOT-25

Mfr. Name: Diodes Incorporated
Standard Pkg:
Date Code: 1849
Product Specification Section
Technical Attributes
Attributes Table
Configuration: High Side
Input Voltage: 2.7V to 5.5V
No of Elements: Single
On-state Resistance-Max: 115mΩ
Rated Current-Max: 1.5A
Type: Current Limit Switch
Package Style:  SOT-23-5 (SOT-25)
Mounting Method: Surface Mount
Features & Applications
The AP2161WG-7 is a single channel current limited power switch with a continuous load current of 1 A. Available in surface mount SOT-25 package.

This device is optimized for Universal Serial Bus (USB) and other hot-swap applications and it complies with USB 2.0 and available with both polarities of Enable input. 


  • Single USB port power switches
  • Over-current and thermal protection
  • 1.5 A accurate current limiting
  • Reverse Current Blocking
  • 95 mΩ on-resistance
  • Input voltage range: 2.7 V – 5.5 V
  • 0.6 ms typical rise time
  • Very low shutdown current: 1 uA (max)
  • Fault report (FLG) with blanking time (7 ms typ)
  • ESD protection: 4 KV HBM, 400 V MM
  • Active low enable
  • Ambient temperature range -40ºC to 85°C
  • SOT25, SOP-8L, MSOP-8L-EP (Exposed Pad), and DFN2018-6: Available in “Green” Molding Compound (No Br, Sb)
  • Lead Free Finish / RoHS Compliant
  • UL Recognized, File Number E322375
  • IEC60950-1 CB Scheme Certified


  • Consumer electronics – LCD TV & Monitor, Game Machines
  • Communications – Set-Top-Box, GPS, Smartphone
  • Computing – Laptop, Desktop, Servers, Printers, Docking Station, HUB

View the available AP2161 series of Power Switches

Pricing Section
Web Price:
$0.45 USD Each
Cost Per Unit
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Tariff charges may apply if shipping to the United States. An estimate of tariff charges will be calculated at checkout.

$7.00 reeling fee is amortized over the number of components for each reel.
Mini-Reels are a custom product and are non-cancelable and non-returnable.