Name: IS281-4
Brand: Isocom Components 2004 LTD
SKU: IS281-4
Availability: InStock
Rating: 5 (81 reviews)

IS281-4

For Reference Only

Part Number	IS281-4
Manufacturer	Isocom Components 2004 LTD
Description	OPTOISO 3.75KV 4CH TRANS
Datasheet	IS281-4 Specifications
Package	16-SOIC (0.173", 4.40mm Width)
ECAD
In Stock	8,190 piece(s)
Unit Price	Request a Quote
Lead Time	Can Ship Immediately
Estimated Delivery Time	Apr 27 - May 2 (Choose Expedited Shipping)
Request for Quotation

Payment Methods
Delivery Services

Part Number # IS281-4 (Optoisolators - Transistor, Photovoltaic Output) is manufactured by Isocom Components 2004 LTD and distributed by Heisener. Being one of the leading electronics distributors, we carry many kinds of electronic components from some of the world’s top class manufacturers. Their quality is guaranteed by its stringent quality control to meet all required standards.

For IS281-4 specifications/configurations, quotation, lead time, payment terms of further enquiries please have no hesitation to contact us. To process your RFQ, please add IS281-4 with quantity into BOM. Heisener.com does NOT require any registration to request a quote of IS281-4.

IS281-4 Specifications

Manufacturer	Isocom Components 2004 LTD
Category	Isolators - Optoisolators - Transistor, Photovoltaic Output
Package	16-SOIC (0.173", 4.40mm Width)
ECAD
Series	-
Number of Channels	4
Voltage - Isolation	3750Vrms
Current Transfer Ratio (Min)	50% @ 5mA
Current Transfer Ratio (Max)	600% @ 5mA
Turn On / Turn Off Time (Typ)	-
Rise / Fall Time (Typ)	3µs, 4µs
Input Type	DC
Output Type	Transistor
Voltage - Output (Max)	80V
Current - Output / Channel	50mA
Voltage - Forward (Vf) (Typ)	1.2V
Current - DC Forward (If) (Max)	50mA
Vce Saturation (Max)	400mV
Operating Temperature	-55°C ~ 110°C
Mounting Type	Surface Mount
Package / Case	16-SOIC (0.173", 4.40mm Width)
Supplier Device Package	-

IS281-4 Reviews

Luca*****checo

April 2, 2023

★ ★ ★ ★ ★

Good service, and great value for money I am pleased with the item of IS281-4.

Kyng*****abra

March 24, 2023

★ ★ ★ ★ ★

Absolutely the finest source for electric components, connectors, terminal strips, panel lights, etc. The website online ordering system makes a easy business.

Blak*****Woods

March 19, 2023

★ ★ ★ ★ ★

These are great for projects with the kids or doing any type of DIY projects. The case is nice to keep everything separated. Very nice.

Row*****Ross

March 5, 2023

★ ★ ★ ★ ★

I love this website, and get a quick response. Good experience! Good customer service.

Franc*****hajan

March 3, 2023

★ ★ ★ ★ ★

Very good product for electronic projects and are of great quality and test great.

Camer*****rnard

February 26, 2023

★ ★ ★ ★ ★

I can find what I want, and also trust I'm getting what I paid for. Many times I had to send things back or eat the cost dealing shady sellers, either way it cost me.

Jen*****Yadav

February 19, 2023

★ ★ ★ ★ ★

Thanks a lot! Ease of ordering and I love when they upgrade my shipping for free. What a nice thing to do.

Morg*****ineda

February 19, 2023

★ ★ ★ ★ ★

Perfectly satisfied with item. Top supplier on my list.

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IS281-4 Packaging

IS281-4 FAQ

1. How to order IS281-4 on Heisener?

Currently, Heisener only provide peer-to-peer order processing. While you submit the RFQ, our professional agent will contact you with the competitive prices in the global market, and our agent will prompt you to finish the order if you accept our offers.
2. How does Heisener guarantee that IS281-4 is from the original manufacturer or authorized agents?

We have a professional and experienced quality control team to strictly verify and test the IS281-4. All suppliers must pass our qualification reviews before they can publish their products including IS281-4 on Heisener; we pay more attention to the channels and quality of IS281-4 products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
3. Are the IS281-4 price and inventory displayed accurate?

The price and inventory of IS281-4 fluctuates frequently and cannot be updated in time, it will be updated periodically within 24 hours. And, our quotation usually expires after 5 days.
4. What forms of payment are accepted?

Wire Transfer, PayPal, Alipay, Wechat, Credit Card, Western Union, MoneyGram, and Escrow are all acceptable.

Warm Tips: Some orders in certain payment forms may require handling fee.
5. How is the shipping arranged?

Customers can choose industry-leading freight companies, including DHL, UPS, FedEx, TNT, and Registered Mail. Shipping insurance is also available.

Once your order has been processed for shipment, our salesperson will send you an email advising you of the shipping status and tracking number.

Warm Tips: It may take up to 24 hours for the carriers to display tracking information. Usually, express delivery takes 3-5 days, and registered mail takes 25-60 days.
6. What is the process for return or replacement of IS281-4?

All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment. If there is something wrong with the IS281-4 we delivered, we will accept the replacement or return of the IS281-4 only when all of the below conditions are fulfilled:

(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.

(2)We are informed of the defect described above within 90 days after the delivery of IS281-4.

(3)The PartNo is unused and only in the original unpacked packaging.

Two processes to return the products:

(1)Inform us within 90 days

(2)Obtain Requesting Return Authorizations
7.How to contact us to get technical supports, such as IS281-4 pin diagram, IS281-4 datasheet?

If you need any after-sales service, please do not hesitate to contact us.

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IS281-4 Guarantees

Service Guarantees

We guarantee 100% customer satisfaction.

Our experienced sales team and tech support team back our services to satisfy all our customers.

Quality Guarantees

We provide 90 days warranty.

If the items you received were not in perfect quality, we would be responsible for your refund or replacement, but the items must be returned in their original condition.

Global Supply Chains - Reliable and Authorized Distributor Resources

Part Number

Manufacturer

Description

Stock

IS281-4GB

D# V99:2348_22605508

Isocom Components

DC-IN 4-CH Transistor DC-OUT 16-Pin PDIP SMD T/R

RoHS: Compliant

IS281-4

D# V72:2272_18693148

Isocom Components

DC-IN 4-CH Transistor DC-OUT 16-Pin DIP SMD T/R

RoHS: Compliant

Part Number

Manufacturer

Description

Stock

IS281-4GB

Isocom Components

Optoisolator Transistor Output 3750Vrms 4 Channel

1716

IS281-4

Isocom Components

TransistorOptocouplers DC 4 3750Vrms SOP-16_4.4mm Optocouplers RoHS

24641

Part Number

Manufacturer

Description

Stock

IS281-4GB

D# IS281-4GBDKR-ND

Isocom Components

OPTOISO 3.75KV 4CH TRANS

2433

IS281-4

D# IS281-4CT-ND

Isocom Components

OPTOISO 3.75KV 4CH TRANS

4597

Part Number

Manufacturer

Description

Stock

IS281-4

ISOCOM

In stock shipping within 2days

2000

Part Number

Manufacturer

Description

Stock

IS281-4

D# C89878

Isocom Components

22851

IS281-4GB

D# C84569

Isocom Components

11959

Part Number

Manufacturer

Description

Stock

IS281-4

Isocom Components

OEM/CM Immediate delivery

IS281-4GB

Isocom Components

OEM/CM Immediate delivery

30000

Part Number

Manufacturer

Description

Stock

IS281-4

Isocom Components

Transistor Output Optocoupler,4-Element,3750VIsolation

RoHS: Compliant

IS281-4GB

Isocom Components

Transistor Output Optocoupler,4-Element,3750VIsolation

RoHS: Compliant

Part Number

Manufacturer

Description

Stock

IS281-4

D# ISOC00000000784

Isocom Components

Transistor Output Optocoupler,4-Element,3750VIsolation

IS281-4GB

D# ISOC00000001551

Isocom Components

Transistor Output Optocoupler,4-Element,3750VIsolation

Part Number

Manufacturer

Description

Stock

IS281-4G

D# NS-IS281-4G

ISOCOM

OEM/CM ONLY

9852

Part Number

Manufacturer

Description

Stock

IS281-4

D# 1611009

Isocom Components

Isocom, IS281-4 DC Input NPN Phototransistor Output Optocoupler, Surface Mount, 4-Pin SMD, RL

Min Qty: 2000

Container: Reel

Part Number

Manufacturer

Description

Stock

IS281-4GB

D# IRCOUP2630

Isocom Components

COUPLER SMD-16 100-600% 5mA 5V

RoHS: Compliant

Part Number	Manufacturer	Description	Stock
IS2814IS		OEM/CM ONLY	1768
IS2814GB		OEM/CM ONLY	24603
IS2814		OEM/CM ONLY	8005
IS2814GBIS		OEM/CM ONLY	2016

Part Number

Manufacturer

Description

Stock

IS281-4

ISOCOM

IN stock Immediate delivery

IS281-4GB

ISOCOM

IN stock Immediate delivery

29985

Part Number

Manufacturer

Description

Stock

IS281-4GB

ISOCOM

shipping today

IS281-4

ISOCOM

shipping today

29996

Part Number

Manufacturer

Description

Stock

IS281-4GB

D# 53477693

Isocom Components

DC-IN 4-CH Transistor DC-OUT 16-Pin PDIP SMD T/R

RoHS: Compliant

IS281-4

D# 53477696

Isocom Components

DC-IN 4-CH Transistor DC-OUT 16-Pin DIP SMD T/R

RoHS: Compliant

Part Number

Manufacturer

Description

Stock

IS281-4

Isocom Components

OPTOISO 3.75KV 4CH TRANS

5358

IS281-4GB

Isocom Components

OPTOISO 3.75KV 4CH TRANS / Current transfer ratio, Isolation voltage between input and output

142000

Quick Inquiry

IS281-4

Certified Quality

Heisener's commitment to quality has shaped our processes for sourcing, testing, shipping, and every step in between. This foundation underlies each component we sell.

ISO9001:2015, ICAS, IAF, UKAS