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. Power Management (PMIC)
  5. Voltage Regulators - Linear, Low Drop Out (LDO) Regulators
  6. 78L18K
78L18K - 1
78L18K - 2
78L18K - 3
78L18K - 4
Extended1/4
* Images are for reference only

78L18K

Attributes
Value
Manufacturer
Shikues
MFR.Part #
78L18K
JLCPCB Part #
C22400124
Package
SOT-89
Description
-40℃~+125℃@(Ta) 1 1.7V 100mA 18V 35V 36dB@(120Hz) 4.7mA 90uV Fixed Over Temperature Protection、Short Circuit Protection Positive SOT-89 Voltage Regulators - Linear, Low Drop Out (LDO) Regulators ROHS
EasyEDA Libraries
ECCN
-
Datasheet
Download
Source
JLCPCB
Assembly Type
SMT Assembly
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
CategoryPower Management (PMIC)/Voltage Regulators - Linear, Low Drop Out (LDO) Regulators
ManufacturerShikues
PackageSOT-89
Power Supply Rejection Ratio (PSRR)36dB@(120Hz)
standby current4.7mA
Operating Temperature-40℃~+125℃@(Ta)
Noise90uV
Output TypeFixed
Voltage - Supply35V
Output Current100mA
FeaturesShort Circuit Protection、Thermal shutdown
Output ConfigurationPositive
Voltage Dropout1.7V
Output Voltage18V
Number of Outputs1
Results remaining: 0

  1. JLCPCB
  2. Parts Library
  3. All Components
  4. Power Management (PMIC)
  5. Voltage Regulators - Linear, Low Drop Out (LDO) Regulators
  6. 78L18K
78L18K

* Images are for reference only

78L18K

Extended
Manufacturer

Shikues

MFR.Part #
78L18K
JLCPCB Part #
C22400124
Package
SOT-89
Description
-40℃~+125℃@(Ta) 1 1.7V 100mA 18V 35V 36dB@(120Hz) 4.7mA 90uV Fixed Over Temperature Protection、Short Circuit Protection Positive SOT-89 Voltage Regulators - Linear, Low Drop Out (LDO) Regulators ROHS
EasyEDA Libraries
ECCN
-
Datasheet
Download
Source
JLCPCB
Assembly Type
SMT Assembly
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.

78L18K

* Images are for reference only

78L18K

Extended
Manufacturer

Shikues

MFR.Part #
78L18K
JLCPCB Part #
C22400124
Package
SOT-89
Description
-40℃~+125℃@(Ta) 1 1.7V 100mA 18V 35V 36dB@(120Hz) 4.7mA 90uV Fixed Over Temperature Protection、Short Circuit Protection Positive SOT-89 Voltage Regulators - Linear, Low Drop Out (LDO) Regulators ROHS
EasyEDA Libraries
ECCN
-
Datasheet
Download
Source
JLCPCB
Assembly Type
SMT Assembly
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.

78L18K Specifications

78L18K technical specifications, attributes, and parameters.

AttributesValue
CategoryPower Management (PMIC)/Voltage Regulators - Linear, Low Drop Out (LDO) Regulators
ManufacturerShikues
PackageSOT-89
Power Supply Rejection Ratio (PSRR)36dB@(120Hz)
standby current4.7mA
Operating Temperature-40℃~+125℃@(Ta)
Noise90uV
Output TypeFixed
Voltage - Supply35V
Output Current100mA
FeaturesShort Circuit Protection、Thermal shutdown
Output ConfigurationPositive
Voltage Dropout1.7V
Output Voltage18V
Number of Outputs1
Results remaining: 0

PCB Assembly Tips

From components to fully assembled PCBs. JLCPCB supports PCB assembly for the 78L18K. 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

78L18K Documents

78L18K datasheets or manufacturer documentation.

Datasheet: 78L18K Datasheet (PDF)

78L18K Schematic Symbol & PCB Footprint

The 78L18K schematic symbol and PCB footprint are available in the EasyEDA PCB design tool.