IS357B Isocom Integrated Circuit (Small Outline Packages) In Stock

Use the download button to access the IS357B schematic symbol, PCB footprint, and 3D model.

ACTIVEIntegrated CircuitVerified Jun 2026
Package / Visual Reference
IS357BSmall Outline Packages
Quick Facts
Manufacturer
Isocom
Package
Small Outline Packages
Pin Count
4
Lifecycle
ACTIVE
Category
Integrated Circuit
Price
From $0.1170(MOQ 100)
Temp Range
-55.0°C to 100.0°C
RoHS
Compliant
Lead Time
3–7 business days
Shipping
DHL Express · Worldwide

Specifications

Pbfree CodeYes
YTEOL6
Coll-Emtr Bkdn Voltage-Min80V
ConfigurationSINGLE
Current Transfer Ratio-Min130%
Current Transfer Ratio-Nom130%
Dark Current-Max100nA
Forward Current-Max0.05A
Forward Voltage-Max1.4V
Isolation Voltage-Max3750V
JESD-609 Codee3
Mounting FeatureSURFACE MOUNT
Number of Elements1
Optoelectronic Device TypeTRANSISTOR OUTPUT OPTOCOUPLER
Power Dissipation-Max0.15W
Response Time-Max0.000018s
Surface MountYES
Terminal FinishTIN
PackageSmall Outline Packages

Compliance & Regulatory

RoHS StatusCompliant
ECCNEAR99
HTS Code8541.40.80.00
Country of OriginMainland China

Datasheet

IS357B Datasheet Download

Official datasheet from Isocom

Alternate & Equivalent Parts

No known alternates. Submit an RFQ and our team can suggest alternatives.

Frequently Asked Questions

What is the price of IS357B?

IS357B is priced from $0.1170 USD depending on quantity. Submit an RFQ on FindMyChip for the best current pricing from authorized China distributors.

Is IS357B in stock?

IS357B is listed as in stock at FindMyChip, sourced from authorized distributors, and ships worldwide with typical 3-7 business day lead time. Submit an RFQ for current quantity pricing, MOQ, and confirmed availability.

Where can I buy IS357B?

You can buy IS357B from FindMyChip, a B2B electronic component platform sourcing from China distributors. We offer competitive pricing and low MOQ for IS357B from Isocom.

What is the datasheet for IS357B?

The official IS357B datasheet from Isocom contains full specifications including pin configuration, electrical characteristics, and application notes. Download it directly from the datasheet section above.

What package does IS357B come in?

IS357B is available in Small Outline Packages packaging. See the package diagram and pinout above for detailed dimensional information.

Related Guides

Why Buy from FindMyChip

Authorized Source
Verified supply chain with full traceability & inspection
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Competitive Pricing
Factory-direct from China distributors, low MOQ
Fast Shipping
DHL Express 3–5 days · FedEx/UPS 5–7 days worldwide
Quality Guaranteed
30-day replacement for defective parts, no questions asked

About Isocom

Isocom is a leading electronic component manufacturer. FindMyChip sources Isocom ICs directly from authorized China distributors, offering competitive pricing and reliable stock.

AvailabilityIn Stock
Reference Price (USD)
From $0.1170
Buy from 1pc · Factory-direct pricing
Qty.Unit PriceExt. Price
100+$0.2427$24.27
250+$0.2420$60.50
500+$0.1993$99.63
1000+$0.1850$184.97
3000+$0.1320$396.00
6000+$0.1170$702.00
pcs
Unit price: $0.2427 · Total: $24.27

In Stock · 24h Response · Worldwide Shipping

Lead Time3-7 business days
MOQFrom 1 piece
ShippingDHL / FedEx / UPS
OriginChina (Authorized)

Response within 24 hours · Worldwide shipping

Their engineering team helped us find a pin-compatible alternative when our original MCU went EOL.

MR
Marco Rossi
CTO, AutoDrive Systems, Italy