CouponsAPP Download
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
  • Careers
Electronics
  • EasyEDA
  • JLCPCB
  • JLCDFM
  • LCSC
  • OSHWLAB
Mechanical
  • JLC3DP
  • JLCCNC
  • JLCMC
Download JLCONE Desktop—Get $524 Exclusive Coupons
WindowsMACAndroidIOS
CONNECT WITH US
Services & Tools
Electronic PartsBOM ToolRequest a QuoteManufacturersPCB Assembly
Support
Contact UsHow to OrderUser GuidesSourcing TipsPayment Methods
Company
About UsQuality AssuranceHow We WorkCertificationsSecurityJLCAPINewsCooperationCareers
Electronics
EasyEDAJLCPCBJLCDFMLCSCOSHWLAB
Mechanical
JLC3DPJLCCNCJLCMC

Download JLCONE Desktop—Get $524 Exclusive Coupons

WindowsMAC
AndroidIOS

CONNECT WITH US

© 2026 JLCPCB.COM All Rights Reserved.Privacy PolicyTerms & ConditionsCookies Policy
  1. JLCPCB
  2. Parts Library
  3. All Components
  4. Circuit Protection
  5. ESD and Surge Protection (TVS/ESD)
  6. SM4NT54A
SM4NT54A
Extended
* Images are for reference only

SM4NT54A

Attributes
Value
Manufacturer
Formosa Microsemi Co. Ltd.
MFR.Part #
SM4NT54A
JLCPCB Part #
C20188873
Package
SOD-123NT
Description
-55℃~+150℃ 4.6A@10/1000us 400W@10/1000us 54V 5uA 66.3V 87.1V TVS Unidirectional SOD-123NT ESD and Surge Protection (TVS/ESD) ROHS
EasyEDA Libraries
ECCN
EAR99
Datasheet
Download
Source
JLCPCB
Assembly Type
Wave Soldering
PCBA Type
Economic and Standard
MSL Level
MSL 1

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

AttributesValue
CategoryCircuit Protection/ESD and Surge Protection (TVS/ESD)
ManufacturerFormosa Microsemi Co. Ltd.
PackageSOD-123NT
Operating Temperature-55℃~+150℃
TypeTVS
Peak Pulse Power Dissipation (Ppp)400W@10/1000us
Clamping Voltage87.1V
PolarityUnidirectional
Peak Pulse Current (Ipp)4.6A@10/1000us
Voltage - Breakdown66.3V
Reverse Stand-Off Voltage (Vrwm)54V
Reverse Leakage Current (Ir)5uA
Results remaining: 0

  1. JLCPCB
  2. Parts Library
  3. All Components
  4. Circuit Protection
  5. ESD and Surge Protection (TVS/ESD)
  6. SM4NT54A
SM4NT54A

* Images are for reference only

SM4NT54A

Extended
Manufacturer

Formosa Microsemi Co. Ltd.

MFR.Part #
SM4NT54A
JLCPCB Part #
C20188873
Package
SOD-123NT
Description
-55℃~+150℃ 4.6A@10/1000us 400W@10/1000us 54V 5uA 66.3V 87.1V TVS Unidirectional SOD-123NT ESD and Surge Protection (TVS/ESD) ROHS
EasyEDA Libraries
ECCN
EAR99
Datasheet
Download
Source
JLCPCB
Assembly Type
Wave Soldering
PCBA Type
Economic and Standard
MSL Level
MSL 1

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

SM4NT54A

* Images are for reference only

SM4NT54A

Extended
Manufacturer

Formosa Microsemi Co. Ltd.

MFR.Part #
SM4NT54A
JLCPCB Part #
C20188873
Package
SOD-123NT
Description
-55℃~+150℃ 4.6A@10/1000us 400W@10/1000us 54V 5uA 66.3V 87.1V TVS Unidirectional SOD-123NT ESD and Surge Protection (TVS/ESD) ROHS
EasyEDA Libraries
ECCN
EAR99
Datasheet
Download
Source
JLCPCB
Assembly Type
Wave Soldering
PCBA Type
Economic and Standard
MSL Level
MSL 1

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

SM4NT54A Specifications

SM4NT54A technical specifications, attributes, and parameters.

AttributesValue
CategoryCircuit Protection/ESD and Surge Protection (TVS/ESD)
ManufacturerFormosa Microsemi Co. Ltd.
PackageSOD-123NT
Operating Temperature-55℃~+150℃
TypeTVS
Peak Pulse Power Dissipation (Ppp)400W@10/1000us
Clamping Voltage87.1V
PolarityUnidirectional
Peak Pulse Current (Ipp)4.6A@10/1000us
Voltage - Breakdown66.3V
Reverse Stand-Off Voltage (Vrwm)54V
Reverse Leakage Current (Ir)5uA
Results remaining: 0

PCB Assembly Tips

From components to fully assembled PCBs. JLCPCB supports PCB assembly for the SM4NT54A. 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

SM4NT54A Documents

SM4NT54A datasheets or manufacturer documentation.

Datasheet: SM4NT54A Datasheet (PDF)

SM4NT54A Schematic Symbol & PCB Footprint

The SM4NT54A schematic symbol and PCB footprint are available in the EasyEDA PCB design tool.