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STMPS2161STR The STMPS2161STR from STMicroelectronics is an N-channel power distribution switch designed for general-purpose applications. It offers a current rating of 1A and a low on-resistance.
Mfr Part #:

STMPS2161STR

Available from 2 distributors
Mfr Name: STMicroelectronics
STMicroelectronics
The STMPS2161STR from STMicroelectronics is an N-channel power distribution switch designed for general-purpose applications. It offers a current rating of 1A and a low on-resistance.
✓ Total Stock: 144,143 pcs
$ Price Range: $0.32

STMPS2161STR Available from 2 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Romaks Technologies ✓
Non-Authorised Inventory information
129,143 pcs
On Request
129143 pcs On Request 1 On Request On Request On Request On Request On Request
Risen Electronics ✓
Non-Authorised Inventory information
15,000 pcs
On Request
15000 pcs On Request 1 On Request On Request On Request On Request 2026-02-16 21:33:16
DistyParts aggregates offers from multiple distributors. Final prices, lead times and terms are subject to the distributors' discretion and may change without prior notice. DistyParts is not liable for any discrepancies.

STMPS2161STR Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Current
Fault Protection
Input Type
Interface
Mounting Type
Number of Outputs
Operating Temperature
Output Configuration
Output Type
Ratio
Rds On (Typ)
Supplier Device Package
Switch Type
Voltage
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STMPS2161STR Description

Short technical summary and product information.

The STMPS2161STR is an N-channel power distribution switch manufactured by STMicroelectronics. This component is designed for general-purpose applications requiring efficient power control.

 

Key electrical characteristics include a maximum current handling capability of 1A and a typical on-resistance (Rds On) of 90mOhm. The switch operates with a simple On/Off interface and features fault protection mechanisms such as current limiting, over-temperature protection, reverse current protection, and undervoltage lockout (UVLO).

 

The device is available in a compact SOT-23-5 package, suitable for surface mount applications. Its operating temperature range is from -40°C to 125°C (TJ), making it suitable for various environmental conditions. The output configuration is high-side, and it utilizes an N-channel MOSFET.

 

This power switch is ideal for applications where controlled power delivery and protection are necessary. Its specifications make it a versatile component for power management solutions in electronic designs.

STMPS2161STR Quick Information

Product Type: Power Distribution Switch
Canonical Name: STMPS2161STR N-Channel Power Distribution Switch
Subcategory: Load Drivers

STMPS2161STR Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

STMPS2161STR Estimated Pricing

Qty Low High
1+ $0.32 $0.32

Estimated market price range - modelled values for guidance only, not live distributor offers.

STMPS2161STR Features

  • N-channel power distribution switch.
  • 1A current capability.
  • Low 90mOhm typical Rds On.
  • Integrated fault protection features.
  • Compact SOT-23-5 surface mount package.

STMPS2161STR Applications

  • Ideal for general purpose power switching.
  • Used in power management circuits.
  • Suitable for battery-powered devices.
  • Provides overcurrent protection.
  • Enables controlled power delivery.

STMPS2161STR FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating temperature range of the STMPS2161STR?

-40°C to 125°C (junction temperature).

What package is the STMPS2161STR offered in?

SOT-23-5 surface-mount package (also designated SC-74A, SOT-753).

What output configuration does the STMPS2161STR use?

High-side N-channel output configuration.

What is the rated output current of the STMPS2161STR?

1A.

What is the typical on-resistance of the STMPS2161STR?

90mΩ.

What fault protections does the STMPS2161STR include?

Fixed current limiting, over-temperature shutdown, reverse current protection, and UVLO.

What control interface does the STMPS2161STR support?

On/Off, non-inverting input type.

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