Coupons
Assembly Parts LibFor PCBA Only
0Parts Cart
Products
  • In Stock Parts
  • Bom Tool
  • Request a Quote
  • Support
Chat with our live agent for fast reply.
Mon-Fri: 24 hours, Sat: 9am-6pm, GMT+8
Email Us >
Contact us at support@jlcpcb.com
Typically reply within hours.
Help Center >
Get instant answers.
24/7 Available.
Services & Tools
  • Electronic Parts
  • BOM Tool
  • Request a Quote
  • Manufacturers
  • PCB Assembly
Support
  • Contact Us
  • How to Order
  • User Guides
  • Sourcing Tips
  • Payment Methods
Company
  • About Us
  • Quality Assurance
  • How We Work
  • Certifications
  • Security
  • JLCAPI
  • News
  • Cooperation
Electronics
  • EasyEDA
  • JLCPCB
  • JLCDFM
  • LCSC
  • OSHWLAB
Mechanical
  • JLC3DP
  • JLCCNC
  • JLCMC
Download JLCONE Desktop—Get $524 Exclusive Coupons
CONNECT WITH US
Services & Tools
Electronic PartsBOM ToolRequest a QuoteManufacturersPCB Assembly
Support
Contact UsHow to OrderUser GuidesSourcing TipsPayment Methods
Company
About UsQuality AssuranceHow We WorkCertificationsSecurityJLCAPINewsCooperation
Electronics
EasyEDAJLCPCBJLCDFMLCSCOSHWLAB
Mechanical
JLC3DPJLCCNCJLCMC

Download JLCONE Desktop—Get $524 Exclusive Coupons

CONNECT WITH US

© 2026 JLCPCB.COM All Rights Reserved.Privacy PolicyTerms & ConditionsCookies PolicyDo Not Sell or Share My Personal Information
  1. JLCPCB
  2. Parts Library
  3. All Components
  4. Optoisolators
  5. Solid State Relays (MOS Output)
  6. C331S
C331S
Extended
* Images are for reference only
C331S
Attributes
Value
Manufacturer
COTO
MFR.Part #
C331S
JLCPCB Part #
C5566434
Package
SOP-8
Description
-40℃~+85℃ 0.9mA 1.5V 100mA 24Ω 250us 350V 500V 50us Two normally open: 2A (DPST-NO) SOP-8 Solid State Relays (MOS Output) ROHS
EasyEDA Libraries
ECCN
EAR99
Datasheet
Download
Source
JLCPCB
Assembly Type
SMT Assembly
PCBA Type
Economic and Standard

Note: The purchased components are stored in your JLCPCB parts library for future PCBA orders only, and cannot be shipped separately.

AttributesValue
CategoryOptoisolators/Solid State Relays (MOS Output)
ManufacturerCOTO
PackageSOP-8
Load Current100mA
Operating Temperature-40℃~+85℃
Load Voltage350V
Forward Current(If)0.9mA
Isolation Voltage(Vrms)500V
Turn-off time50us
RDS(on)24Ω
Contact FormTwo normally open: 2A (DPST-NO)
Turn-on time250us
Voltage - Forward(Vf)1.5V
Results remaining: 0

  1. JLCPCB
  2. Parts Library
  3. All Components
  4. Optoisolators
  5. Solid State Relays (MOS Output)
  6. C331S
C331S

* Images are for reference only

C331S

Extended
Manufacturer

COTO

MFR.Part #
C331S
JLCPCB Part #
C5566434
Package
SOP-8
Description
-40℃~+85℃ 0.9mA 1.5V 100mA 24Ω 250us 350V 500V 50us Two normally open: 2A (DPST-NO) SOP-8 Solid State Relays (MOS Output) ROHS
EasyEDA Libraries
ECCN
EAR99
Datasheet
Download
Source
JLCPCB
Assembly Type
SMT Assembly
PCBA Type
Economic and Standard

Note: The purchased components are stored in your JLCPCB parts library for future PCBA orders only, and cannot be shipped separately.

C331S

* Images are for reference only

C331S
Extended
Manufacturer

COTO

MFR.Part #
C331S
JLCPCB Part #
C5566434
Package
SOP-8
Description
-40℃~+85℃ 0.9mA 1.5V 100mA 24Ω 250us 350V 500V 50us Two normally open: 2A (DPST-NO) SOP-8 Solid State Relays (MOS Output) ROHS
EasyEDA Libraries
ECCN
EAR99
Datasheet
Download
Source
JLCPCB
Assembly Type
SMT Assembly
PCBA Type
Economic and Standard

Note: The purchased components are stored in your JLCPCB parts library for future PCBA orders only, and cannot be shipped separately.

C331S Specifications

C331S technical specifications, attributes, and parameters.

AttributesValue
CategoryOptoisolators/Solid State Relays (MOS Output)
ManufacturerCOTO
PackageSOP-8
Load Current100mA
Operating Temperature-40℃~+85℃
Load Voltage350V
Forward Current(If)0.9mA
Isolation Voltage(Vrms)500V
Turn-off time50us
RDS(on)24Ω
Contact FormTwo normally open: 2A (DPST-NO)
Turn-on time250us
Voltage - Forward(Vf)1.5V
Results remaining: 0

PCB Assembly Tips

From components to fully assembled PCBs. JLCPCB supports PCB assembly for the C331S. Sign up to receive and start your assembly today →

  • 1

    Step 1 - Pre-order the parts you need from JLCPCB.

  • 2

    Step 2 - Place a PCBA order to have those parts assembled onto your boards.

  • 3

    Step 3 - JLCPCB manufactures and assembles your boards in as fast as 3 days.

JLCPCB Assembly Tutorial
Learn more about JLCPCB Assembly

C331S Documents

C331S datasheets or manufacturer documentation.

Datasheet: C331S Datasheet (PDF)

C331S Schematic Symbol & PCB Footprint

The C331S schematic symbol and PCB footprint are available in the EasyEDA PCB design tool.