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IS281-4GB

The IS281-4GB is a four channel optical isolator from Isocom Components. It offers a high AC isolation voltage of 3750VRMS and operates across a wide temperature range.

✓ Total Stock: 69,288 pcs

IS281-4GB Available from 4 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	62,756 pcs On Request	62756 pcs	On Request	1	On Request	On Request	21+	On Request	On Request
Optech Co.,Limited ✓ Non-Authorised Inventory information	5,100 pcs On Request	5100 pcs	On Request	1	On Request	On Request	21+	On Request	On Request
Xingangxin ✓ Non-Authorised Inventory information	1,420 pcs On Request	1420 pcs	On Request	1	On Request	On Request	On Request	On Request	On Request
Trace Tec ✓ Non-Authorised Inventory information	12 pcs On Request	12 pcs	On Request	1	On Request	On Request	On Request	On Request	On Request

IS281-4GB Specifications Quick View

Most important parameters for selection – full specs in datasheet.

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Category	New Products
Manufacturer Name	Isocom Components
Operating Temperature	-55°C / 110°C
Reverse Current	10 µA
Tape & Reel	Available
Turn Off Time	40 µs
Turn On Time	3 µs

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IS281-4GB Description

Short technical summary and product information.

The IS281-4GB from Isocom Components is a four-channel optical isolator. Each channel comprises an infrared emitting diode optically coupled to an NPN silicon photo transistor, belonging to Isocom's Compact Range of Optocouplers.

Key features include a half pitch of 1.27mm and a high AC isolation voltage of 3750VRMS. The device is designed for a wide operating temperature range from -55°C to 110°C. It is Pb-Free and RoHS Compliant, with UL Approval E91231.

Applications for the IS281-4GB include hybrid substrates with high-density mounting, industrial system controllers, measuring instruments, and system appliances. The component is available in tape and reel packaging with 2000 pieces per reel.

Electrical specifications include a typical forward voltage of 1.4V at 20mA, a collector-emitter breakdown voltage of 80V, and a current transfer ratio typically ranging from 50% to 600% depending on the specific model (IS281-4 or IS281-4GB).

IS281-4GB Quick Information

Product Type: Optical Isolator

Series: IS281

Canonical Name: IS281-4GB Four Channel Optical Isolator

Subcategory: Transistor Output

IS281-4GB Compliance

RoHS Status: RoHS Compliant

Moisture Sensitivity Level (MSL): 1 Unlimited

REACH Status: REACH Unaffected

IS281-4GB Features

Four channel optical isolator.
High AC isolation voltage 3750VRMS.
Wide operating temperature range -55°C to 110°C.
Pb Free and RoHS Compliant.
Available in tape and reel.

IS281-4GB Applications

Used in high-density mounting.
Suitable for industrial system controllers.
Applicable for measuring instruments.
Designed for system appliances.

IS281-4GB FAQs

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

What is the isolation voltage of the IS281-4GB?

The IS281-4GB offers a high AC isolation voltage of 3750VRMS.

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

The IS281-4GB operates within a wide temperature range of -55°C to 110°C.

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

The typical forward voltage for the IS281-4GB is 1.4V at 20mA.

What is the collector-emitter breakdown voltage?

The collector-emitter breakdown voltage is a minimum of 80V.

What is the current transfer ratio (CTR) range?

The current transfer ratio ranges from a minimum of 50% to a maximum of 600%.

How is the IS281-4GB packaged?

The IS281-4GB is available in tape and reel packaging with 2000 pieces per reel.