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. Signal Isolation Devices
  5. Digital Isolators
  6. BL7121AH
BL7121AH - 1
BL7121AH - 2
BL7121AH - 3
BL7121AH - 4
Extended1/4
* Images are for reference only

BL7121AH

Attributes
Value
Manufacturer
BL(Shanghai Belling)
MFR.Part #
BL7121AH
JLCPCB Part #
C7436522
Package
SOIC-8
Description
-40℃~+125℃ 1 1 100Mbps 100kV/us 11ns 2.35V~5.5V 2.35V~5.5V 3750 Fail-safe output High Level SOIC-8 Digital Isolators ROHS
EasyEDA Libraries
ECCN
-
Source
JLCPCB
Assembly Type
SMT Assembly
PCBA Type
Economic and Standard
MSL Level
MSL 3

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

AttributesValue
CategorySignal Isolation Devices/Digital Isolators
ManufacturerBL(Shanghai Belling)
PackageSOIC-8
Default OutputHigh Level
Number of Forward Channels1
Operating Temperature-40℃~+125℃
Data Rate(Max)100Mbps
Number of Channels2
Voltage - Supply(VCCA)2.35V~5.5V
Voltage - Supply(VCCB)2.35V~5.5V
Isolation Voltage(Vrms)3750
Propagation Delay(tpd)11ns
FeaturesFail-safe output
Number of Reverse Channels1
CMTI(kV/us)100kV/us
Results remaining: 0

  1. JLCPCB
  2. Parts Library
  3. All Components
  4. Signal Isolation Devices
  5. Digital Isolators
  6. BL7121AH
BL7121AH

* Images are for reference only

BL7121AH

Extended
Manufacturer

BL(Shanghai Belling)

MFR.Part #
BL7121AH
JLCPCB Part #
C7436522
Package
SOIC-8
Description
-40℃~+125℃ 1 1 100Mbps 100kV/us 11ns 2.35V~5.5V 2.35V~5.5V 3750 Fail-safe output High Level SOIC-8 Digital Isolators ROHS
EasyEDA Libraries
ECCN
-
Source
JLCPCB
Assembly Type
SMT Assembly
PCBA Type
Economic and Standard
MSL Level
MSL 3

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

BL7121AH

* Images are for reference only

BL7121AH

Extended
Manufacturer

BL(Shanghai Belling)

MFR.Part #
BL7121AH
JLCPCB Part #
C7436522
Package
SOIC-8
Description
-40℃~+125℃ 1 1 100Mbps 100kV/us 11ns 2.35V~5.5V 2.35V~5.5V 3750 Fail-safe output High Level SOIC-8 Digital Isolators ROHS
EasyEDA Libraries
ECCN
-
Source
JLCPCB
Assembly Type
SMT Assembly
PCBA Type
Economic and Standard
MSL Level
MSL 3

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

BL7121AH Specifications

BL7121AH technical specifications, attributes, and parameters.

AttributesValue
CategorySignal Isolation Devices/Digital Isolators
ManufacturerBL(Shanghai Belling)
PackageSOIC-8
Default OutputHigh Level
Number of Forward Channels1
Operating Temperature-40℃~+125℃
Data Rate(Max)100Mbps
Number of Channels2
Voltage - Supply(VCCA)2.35V~5.5V
Voltage - Supply(VCCB)2.35V~5.5V
Isolation Voltage(Vrms)3750
Propagation Delay(tpd)11ns
FeaturesFail-safe output
Number of Reverse Channels1
CMTI(kV/us)100kV/us
Results remaining: 0

PCB Assembly Tips

From components to fully assembled PCBs. JLCPCB supports PCB assembly for the BL7121AH. 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

BL7121AH Documents

BL7121AH datasheets or manufacturer documentation.

Datasheet: BL7121AH Datasheet (PDF)

BL7121AH Schematic Symbol & PCB Footprint

The BL7121AH schematic symbol and PCB footprint are available in the EasyEDA PCB design tool.