Mfr Part #:

SE431

Mfr Name: SEI

The SE431 is a low voltage, three-terminal adjustable shunt regulator from SEI. It offers guaranteed thermal stability and an output voltage adjustable from 2.5V to 18V.

✓ Total Stock: 964 pcs

SE431 Available from 1 distributor

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✓ Non-Authorised

Distributor		Stock	Pricing	MOQ	PKG	Lead Time	Date Code	On Order Quantity	On Order Delivery
PROSOFT ELECTRONICS ✓ Non-Authorised Inventory information	964 pcs On Request	964 pcs	On Request	1	On Request	On Request	00P/	On Request	On Request

SE431 Specifications Quick View

Most important parameters for selection – full specs in datasheet.

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Category	New Products
Manufacturer Name	SEI
Mounting Type	Surface Mount
Output Voltage	2.5V to 18V
Package / Case	SOT-23-3, SOT-23-5, SOP-8, TO-92, SOT-89
Termination Style	Solder

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SE431 Description

Short technical summary and product information.

The SE431 from SEI is a versatile adjustable shunt regulator designed for low voltage applications. It features a three-terminal design with guaranteed thermal stability across its operating temperature range. The output voltage can be precisely set between 2.5V (VREF) and 18V using two external resistors, providing flexibility for various circuit designs.

This regulator is characterized for operation from 0°C to 105°C. It is available in multiple package options, including SOT-23-3, SOT-23-5, SOP-8, TO-92, and SOT-89, allowing designers to select the most suitable package for their specific application requirements. The surface mount capability and solder termination make it suitable for automated assembly processes.

With its adjustable output voltage and stable performance, the SE431 is a reliable choice for power supply regulation and other control applications where precise voltage reference is needed.

SE431 Quick Information

Product Type: Adjustable Shunt Regulator

Canonical Name: SE431 Adjustable Shunt Regulator

Subcategory: Shunt Regulator

SE431 Compliance

RoHS Status: RoHS Compliant

Moisture Sensitivity Level (MSL): 1 Unlimited

REACH Status: REACH Unaffected

SE431 Features

Adjustable output voltage from 2.5V to 18V.
Guaranteed thermal stability over temperature.
Wide operating temperature range of 0°C to 105°C.
Available in multiple package options.
Surface mount capability for efficient assembly.

SE431 Applications

Used for adjustable voltage references.
Suitable for low voltage power supplies.
Applicable in control circuit designs.
Ideal for circuits requiring stable regulation.

SE431 FAQs

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

What is the adjustable output voltage range for the SE431?

The output voltage can be set to any value between approximately 2.5V (VREF) to 18V with two external resistors.

What is the operating temperature range of the SE431?

The SE431 is characterized for operation from 0°C to 105°C.

What package options are available for the SE431?

The SE431 is available in five package options: SOT-23-3, SOT-23-5, SOP-8, TO-92, and SOT-89.

What is the mounting type for the SE431?

The SE431 is a surface mount device.