Mfr Part #:

SGM2551AYN5G/TR

Mfr Name: SGM

The SGM2551AYN5G/TR is a single-channel power distribution switch from SGM. It operates from 2.5V to 5.5V and features a low 90mOhm on-resistance.

✓ Total Stock: 9,991 pcs

$ Price Range: $0.99

SGM2551AYN5G/TR Available from 1 distributor

✓ Authorised

✓ Non-Authorised

Distributor		Stock	Pricing	MOQ	PKG	Lead Time	Date Code	On Order Quantity	On Order Delivery
Optech Co.,Limited ✓ Non-Authorised Inventory information	9,991 pcs On Request	9991 pcs	On Request	1	On Request	On Request	21+	On Request	On Request

SGM2551AYN5G/TR Specifications Quick View

Most important parameters for selection – full specs in datasheet.

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Category	New Products
Manufacturer Name	SGM
Halogen Free	Yes
Input Voltage	2.5V to 5.5V
Mounting Type	Surface Mount
Operating Temperature	-40℃ to +85℃
Tape & Reel	Yes

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SGM2551AYN5G/TR Description

Short technical summary and product information.

The SGM2551AYN5G/TR is a precision adjustable current-limited power distribution switch designed by SG Micro Corp. This single-channel device operates within a wide input voltage range of 2.5V to 5.5V, making it suitable for various power management applications.

Key electrical characteristics include a low typical on-resistance of 90mΩ and the capability to supply up to 1.5A of continuous current. It offers a programmable current limit threshold, adjustable between 100mA and 1.7A, providing flexibility in system design. Protection features such as soft-start, adjustable current limit, and thermal shutdown are integrated to enhance reliability.

This power distribution switch is available in a compact SOT-23-5 package, ideal for space-constrained, battery-powered applications. It is rated for an operating temperature range of -40℃ to +85℃. The device also includes reverse voltage protection to safeguard input-side components.

Applications for the SGM2551AYN5G/TR include hot-plug power supplies, motherboard power switching, USB power switches, and accessories for portable medical equipment.

SGM2551AYN5G/TR Quick Information

Product Type: Power Distribution Switch

Canonical Name: SGM2551A Precision Adjustable Current Limited Power Distribution Switch

Subcategory: Load Switch

SGM2551AYN5G/TR Compliance

RoHS Status: RoHS Compliant

Moisture Sensitivity Level (MSL): 1 Unlimited

REACH Status: REACH Unaffected

Lead Free: Yes

SGM2551AYN5G/TR Estimated Pricing

Qty	Low	High
1+	$0.99	$0.99

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

SGM2551AYN5G/TR Features

Operates from 2.5V to 5.5V input voltage.
Low 90mΩ typical on-resistance.
Supplies up to 1.5A continuous current.
Programmable current limit from 100mA to 1.7A.
Integrated soft-start and thermal shutdown.

SGM2551AYN5G/TR Applications

Suitable for hot-plug power supplies.
Used in motherboard power switching.
Ideal for USB power switches.
Applicable to portable medical equipment.

SGM2551AYN5G/TR FAQs

6 frequently asked questions generated from this part’s specifications.

What is the input voltage range for the SGM2551AYN5G/TR?

The input voltage range is 2.5V to 5.5V.

What is the typical on-resistance of the SGM2551AYN5G/TR?

The typical on-resistance is 90 mΩ.

What is the maximum continuous current for this power distribution switch?

It can supply up to 1.5A of continuous current.

What is the programmable current limit range?

The current limit is programmable between 100mA and 1.7A.

What is the operating temperature range?

The operating temperature range is -40℃ to +85℃.

What package is the SGM2551AYN5G/TR available in?

It is available in the SOT-23-5 package.

SGM2551AYN5G/TR Alternate Parts

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SGM2028-2.8YN5G/TR

SG Micro Corp

The SGM2028-2.8YN5G/TR is a 500mA low dropout linear regulator from SG Micro Corp. It operates with an input voltage range of 2.5V to 5.5V and is available in a SOT-23-5 package.

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