Name: IS357
Brand: Isocom Components 2004 LTD
SKU: IS357
Availability: InStock
Rating: 5 (147 reviews)

IS357

For Reference Only

Part Number	IS357
Manufacturer	Isocom Components 2004 LTD
Description	OPTOISO 3.75KV TRANS MINI-FLAT
Datasheet	IS357 Specifications
Package	4-SMD, Gull Wing
ECAD
In Stock	23,070 piece(s)
Unit Price	Request a Quote
Lead Time	To be Confirmed
Estimated Delivery Time	May 27 - Jun 1 (Choose Expedited Shipping)
Request for Quotation

Payment Methods
Delivery Services

Part Number # IS357 (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 IS357 specifications/configurations, quotation, lead time, payment terms of further enquiries please have no hesitation to contact us. To process your RFQ, please add IS357 with quantity into BOM. Heisener.com does NOT require any registration to request a quote of IS357.

IS357 Specifications

Manufacturer	Isocom Components 2004 LTD
Category	Isolators - Optoisolators - Transistor, Photovoltaic Output
Package	4-SMD, Gull Wing
ECAD
Series	-
Number of Channels	1
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)	4µs, 3µs
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)	200mV
Operating Temperature	-55°C ~ 100°C
Mounting Type	Surface Mount
Package / Case	4-SMD, Gull Wing
Supplier Device Package	Mini FlatPak

IS357 Reviews

Marl*****trong

April 6, 2023

★ ★ ★ ★ ★

What can I say, great value for the money. I only needed 2 but now I have some spares for future projects. They got the job done, nothing more I can say.

Ange***** Yang

March 27, 2023

★ ★ ★ ★ ★

Well packed in anti-static bags. Repaired my amp perfectly - thank you!

Vaug*****anson

March 23, 2023

★ ★ ★ ★ ★

Work Great. Would recommend. Only used 2. So I have 248 extras. Best deal by far that's why I got these.

Lyan*****awson

March 18, 2023

★ ★ ★ ★ ★

Heisener is on a very short list of companies I highly recommend without any hesitation. From stock, pricing, ease of ordering and great service, they have it all.

Lea*****ryan

March 18, 2023

★ ★ ★ ★ ★

Very fast reply, professional seller and received the correct parts.

Maxi*****chols

March 15, 2023

★ ★ ★ ★ ★

I tested some and all look good.

Alist*****tevens

March 12, 2023

★ ★ ★ ★ ★

Great item and excellent seller! Would highly recommend. Thank you. Trustworthy

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IS357 Packaging

IS357 FAQ

1. How to order IS357 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 IS357 is from the original manufacturer or authorized agents?

We have a professional and experienced quality control team to strictly verify and test the IS357. All suppliers must pass our qualification reviews before they can publish their products including IS357 on Heisener; we pay more attention to the channels and quality of IS357 products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
3. Are the IS357 price and inventory displayed accurate?

The price and inventory of IS357 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 IS357?

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 IS357 we delivered, we will accept the replacement or return of the IS357 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 IS357.

(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 IS357 pin diagram, IS357 datasheet?

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

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IS357 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
IS357 D# V99:2348_22605462	Isocom Components	DC-IN 1-CH Transistor DC-OUT 4-Pin PDIP SMD RoHS: Compliant	0
IS357D D# V99:2348_22605471	Isocom Components	DC-IN 1-CH Transistor DC-OUT 4-Pin PDIP SMD T/R RoHS: Compliant	0
IS357C D# V99:2348_22605468	Isocom Components	DC-IN 1-CH Transistor DC-OUT 4-Pin PDIP SMD T/R RoHS: Compliant	0
IS357B D# V99:2348_22608731	Isocom Components	DC-IN 1-CH Transistor DC-OUT 4-Pin PDIP SMD T/R RoHS: Compliant	0
IS357A D# V99:2348_22605465	Isocom Components	DC-IN 1-CH Transistor DC-OUT 4-Pin PDIP SMD T/R RoHS: Compliant	0

Part Number	Manufacturer	Description	Stock
IS357C	Isocom Components	SMD Optocouplers RoHS	2799
IS357B	Isocom Components	SMD Optocouplers RoHS	790
IS357	Isocom Components	TransistorOptocouplers DC 1 3750Vrms SOP-4_P2.54 Optocouplers RoHS	3733

Part Number

Manufacturer

Description

Stock

IS357

D# IS357CT-ND

Isocom Components

OPTOISO 3.75KV TRANS MINI-FLAT

2209

Part Number	Manufacturer	Description	Stock
IS357A D# IS357A	Integrated Silicon Solution Inc	Industry Leading ISO:9001/AS9120A Stocking Distributor of Obsolete & Hard to Find IC's/Semi's, Specializing in Altera/Xilinx. In-House Counterfeit Detection Lab. In Business 20 Years. Free Shipping on Orders Over $250. Buy American, Buy Direct	2007
IS357C D# IS357C	Integrated Silicon Solution Inc	Industry Leading ISO:9001/AS9120A Stocking Distributor of Obsolete & Hard to Find IC's/Semi's, Specializing in Altera/Xilinx. In-House Counterfeit Detection Lab. In Business 20 Years. Free Shipping on Orders Over $250. Buy American, Buy Direct	945
IS357D D# IS357D	Integrated Silicon Solution Inc	Industry Leading ISO:9001/AS9120A Stocking Distributor of Obsolete & Hard to Find IC's/Semi's, Specializing in Altera/Xilinx. In-House Counterfeit Detection Lab. In Business 20 Years. Free Shipping on Orders Over $250. Buy American, Buy Direct	2619
IS357B D# IS357B	Integrated Silicon Solution Inc	Industry Leading ISO:9001/AS9120A Stocking Distributor of Obsolete & Hard to Find IC's/Semi's, Specializing in Altera/Xilinx. In-House Counterfeit Detection Lab. In Business 20 Years. Free Shipping on Orders Over $250. Buy American, Buy Direct	2042

Part Number	Manufacturer	Description	Stock
IS357 D# 1683225RL	Isocom Components	OPTOCOUPLER, MINI-FLAT-4, TR O/P RoHS: Compliant Min Qty: 5 Container: Reel	0
IS357C D# 1683229	Isocom Components	OPTOCOUPLER, MINI-FLAT-4, TR O/P RoHS: Compliant Min Qty: 5 Container: Cut Tape	0
IS357D D# 1683230RL	Isocom Components	OPTOCOUPLER, MINI-FLAT-4, TR O/P RoHS: Compliant Min Qty: 5 Container: Reel	0
IS357B D# 1683228	Isocom Components	OPTOCOUPLER, MINI-FLAT-4, TR O/P RoHS: Compliant Min Qty: 5 Container: Cut Tape	2470

Part Number

Manufacturer

Description

Stock

IS357A

Isocom Components

IS357 Series Single Channel 3750 Vrms 80 % CTR Phototransistor Optocoupler-DIP-4

RoHS: Compliant

pbFree: Yes

6000

Part Number	Manufacturer	Description	Stock
IS357B D# C84335	Isocom Components		768
IS357C D# C84334	Isocom Components		2799
IS357 D# C89875	Isocom Components		3733

Part Number	Manufacturer	Description	Stock
IS357C	Isocom Components	OEM/CM Immediate delivery	16733
IS357B	Isocom Components	OEM/CM Immediate delivery	30000
IS357A	Isocom Components	OEM/CM Immediate delivery	17724
IS357D	Isocom Components	OEM/CM Immediate delivery	11346

Part Number	Manufacturer	Description	Stock
IS357B	Isocom Components	Transistor Output Optocoupler,1-Element,3750VIsolation RoHS: Compliant	0
IS357A	Isocom Components	Transistor Output Optocoupler,1-Element,3750VIsolation RoHS: Compliant	0
IS357	Isocom Components	Transistor Output Optocoupler,1-Element,3750VIsolation RoHS: Compliant	0
IS357C	Isocom Components	Transistor Output Optocoupler,1-Element,3750VIsolation RoHS: Compliant	0
IS357D	Isocom Components	Transistor Output Optocoupler,1-Element,3750VIsolation RoHS: Compliant	0

Part Number	Manufacturer	Description	Stock
IS357B D# ISOC00000000156	Isocom Components	Transistor Output Optocoupler,1-Element,3750VIsolation	0
IS357A D# ISOC00000000155	Isocom Components	Transistor Output Optocoupler,1-Element,3750VIsolation	0
IS357C D# ISOC00000000157	Isocom Components	Transistor Output Optocoupler,1-Element,3750VIsolation	0
IS357 D# ISOC00000000154	Isocom Components	Transistor Output Optocoupler,1-Element,3750VIsolation	0
IS357D D# ISOC00000000158	Isocom Components	Transistor Output Optocoupler,1-Element,3750VIsolation	0

Part Number	Manufacturer	Description	Stock
IS357 D# 40P0343	Isocom Components	OPTOCOUPLER, MINI-FLAT-4, TR O/P, No. of Channels:1 Channel, Optocoupler Case Style:SOP, No. of Pins:4Pins, Forward Current If Max:50mA, Isolation Voltage:3.75kV, CTR Min:50%, Collector Emitter Voltage V(br)ceo:80V, Product Range:- RoHS Compliant: Yes RoHS: Compliant Min Qty: 5 Container: Cut Tape	3875
IS357D D# 40P0347	Isocom Components	OPTOCOUPLER, MINI-FLAT-4, TR O/P, No. of Channels:1 Channel, Optocoupler Case Style:SOP, No. of Pins:4Pins, Forward Current If Max:50mA, Isolation Voltage:3.75kV, CTR Min:300%, Collector Emitter Voltage V(br)ceo:80V, Product Range:- RoHS Compliant: Yes RoHS: Compliant Min Qty: 5 Container: Cut Tape	2206
IS357B D# 40P0345	Isocom Components	OPTOCOUPLER, MINI-FLAT-4, TR O/P, No. of Channels:1 Channel, Optocoupler Case Style:SOP, No. of Pins:4Pins, Forward Current If Max:50mA, Isolation Voltage:3.75kV, CTR Min:130%, Collector Emitter Voltage V(br)ceo:80V, Product Range:- RoHS Compliant: Yes RoHS: Compliant Min Qty: 5 Container: Cut Tape	1725

Part Number

Manufacturer

Description

Stock

IS357

D# NS-IS357

ISO

OEM/CM ONLY

1998

Part Number	Manufacturer	Description	Stock
IS357A D# 4530791	Isocom Components	Isocom, IS357A DC Input Transistor Output Optocoupler, Surface Mount, 4-Pin PDIP, PK Min Qty: 10 Container: Package	0
IS357C V2 D# 1712951	Isocom Components	Isocom, IS357C V2 Phototransistor Output Optocoupler, Through Hole, 4-Pin, RL Min Qty: 3000 Container: Reel	2650
IS357D D# 4530820	Isocom Components	Isocom, IS357D Phototransistor Output Optocoupler, Surface Mount, 4-Pin DIP, PK Min Qty: 10 Container: Package	0
IS357B V2 D# 1712950	Isocom Components	Isocom, IS357B V2 Phototransistor Output Optocoupler, Through Hole, 4-Pin, RL Min Qty: 3000 Container: Reel	2450

Part Number	Manufacturer	Description	Stock
IS357A	ISOCOM Components	OEM/CM ONLY	52002
IS357D	Isocom Components	OEM/CM ONLY	2816
MIS35755/224S		OEM/CM ONLY	195
IS357C	Isocom Components	OEM/CM ONLY	3404
IS357AU	Isocom Components	OEM/CM ONLY	166
MIS35755/222U		OEM/CM ONLY	301
IS357B	Isocom Components	OEM/CM ONLY	102
IS357	ISOCOM Components	OEM/CM ONLY	2154

Part Number	Manufacturer	Description	Stock
IS357C	ISOCOM	IN stock Immediate delivery	16718
IS357B	ISOCOM	IN stock Immediate delivery	29985
IS357A	ISOCOM	IN stock Immediate delivery	17709
IS357D	ISOCOM	IN stock Immediate delivery	11361

Part Number

Manufacturer

Description

Stock

IS357A

ISOCOM

shipping today

218

Part Number	Manufacturer	Description	Stock
IS357D D# 53478116	Isocom Components	DC-IN 1-CH Transistor DC-OUT 4-Pin PDIP SMD T/R RoHS: Compliant	0
IS357C D# 53478133	Isocom Components	DC-IN 1-CH Transistor DC-OUT 4-Pin PDIP SMD T/R RoHS: Compliant	0
IS357B D# 53478125	Isocom Components	DC-IN 1-CH Transistor DC-OUT 4-Pin PDIP SMD T/R RoHS: Compliant	0
IS357A D# 53478177	Isocom Components	DC-IN 1-CH Transistor DC-OUT 4-Pin PDIP SMD T/R RoHS: Compliant	0

Part Number

Manufacturer

Description

Stock

IS357B

Isocom Components

RFQ

13000

Part Number	Manufacturer	Description	Stock
IS357 D# 1683225	Isocom Components	OPTOCOUPLER, MINI-FLAT-4, TR O/P RoHS: Compliant Min Qty: 5 Container: Cut Tape	3255
IS357D D# 1683230	Isocom Components	OPTOCOUPLER, MINI-FLAT-4, TR O/P RoHS: Compliant Min Qty: 5 Container: Cut Tape	106
IS357B D# 1683228RL	Isocom Components	OPTOCOUPLER, MINI-FLAT-4, TR O/P RoHS: Compliant Min Qty: 5 Container: Reel	0

Quick Inquiry

IS357

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