Mfr Part #:

IS281-4

The IS281-4 is a 4-channel digital isolator from Isocom Components, featuring NPN phototransistor output and 3750Vrms isolation. It is available in a 16-SOIC surface mount package.

✓ Total Stock: 12,279 pcs

$ Price Range: $3.44

IS281-4 Available from 3 distributors

✓ Authorised

✓ Non-Authorised

Distributor		Stock	Pricing	MOQ	PKG	Lead Time	Date Code	On Order Quantity	On Order Delivery
Smaxon Electronics ✓ Non-Authorised Inventory information	5,807 pcs On Request	5807 pcs	On Request	1	On Request	On Request	21+	On Request	On Request
Xingangxin ✓ Non-Authorised Inventory information	4,030 pcs On Request	4030 pcs	On Request	1	On Request	On Request	On Request	On Request	On Request
Optech Co.,Limited ✓ Non-Authorised Inventory information	2,442 pcs On Request	2442 pcs	On Request	1	On Request	On Request	20+	On Request	On Request

IS281-4 Specifications Quick View

Most important parameters for selection – full specs in datasheet.

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Category	New Products
Manufacturer Name	Isocom Components
Input Type	DC
Mounting Type	Surface Mount
Number of Channels	4
Operating Temperature	-55°C ~ 110°C
Output Type	Transistor
Vce Saturation (Max)	400mV

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IS281-4 Description

Short technical summary and product information.

The IS281-4 from Isocom Components is a 4-channel digital isolator designed for reliable signal isolation in various electronic applications. It utilizes an NPN phototransistor output and provides a high isolation voltage of 3750Vrms.

Key electrical specifications include a maximum DC forward current of 50 mA and an output current per channel of 50 mA. The current transfer ratio ranges from a minimum of 50% at 5mA to a maximum of 600% at 5mA. Typical forward voltage is 1.2V, and Vce saturation is a maximum of 400mV. The device operates with a DC input type and supports a maximum output voltage of 80V.

This digital isolator is housed in a 16-SOIC package with a surface mount type, making it suitable for space-constrained designs. The operating temperature range is -55°C to 110°C, ensuring performance in diverse environmental conditions. The IS281-4 is specified with a Moisture Sensitivity Level (MSL) of 1.

Compliance information indicates RoHS3 compliance and REACH unaffected status. The part number IS281-4 is also referred to as IS2814. It is part of the IS281 series.

IS281-4 Quick Information

Product Type: Digital Isolator

Canonical Name: IS281-4 4-Channel Digital Isolator

Subcategory: Optocoupler

IS281-4 Compliance

RoHS Status: RoHS Compliant

Moisture Sensitivity Level (MSL): 1 Unlimited

REACH Status: REACH Unaffected

IS281-4 Estimated Pricing

Qty	Low	High
1+	$3.44	$3.44

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

IS281-4 Features

4-channel digital isolator with NPN phototransistor output.
Provides 3750Vrms of isolation voltage.
Operates from -55°C to 110°C.
Surface mount 16-SOIC package.
50mA output current per channel.

IS281-4 Applications

Ideal for signal isolation applications.
Suitable for power supply control circuits.
Used in communication interface systems.
Applicable in industrial automation.

IS281-4 FAQs

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

What is the isolation voltage of the IS281-4?

The IS281-4 provides 3750Vrms of isolation voltage.

What is the operating temperature range for the IS281-4?

The operating temperature range for the IS281-4 is -55°C to 110°C.

What package type is the IS281-4 available in?

The IS281-4 is available in a 16-SOIC package.

What is the RoHS status of the IS281-4?

The IS281-4 is RoHS3 Compliant.

What is the Moisture Sensitivity Level (MSL) for the IS281-4?

The Moisture Sensitivity Level (MSL) for the IS281-4 is 1 Unlimited.

What is the typical forward voltage of the IS281-4?

The typical forward voltage (Vf) for the IS281-4 is 1.2V.

How many channels does the IS281-4 digital isolator have?

The IS281-4 digital isolator has 4 channels.