What are the key applications for the BAS40-04LT1G?

It is commonly used in high-speed switching, circuit protection, and voltage clamping, particularly in automotive and portable electronic devices.

What are the key specifications of the BAS40-04LT1G?

It features a 40V reverse voltage, 120mA continuous forward current, and extremely low forward voltage (e.g., 380mV at 1mA).

What should engineers review before using the BAS40-04LT1G?

Engineers should review the thermal derating curves and ensure the device's forward voltage characteristics meet the specific requirements of their circuit design.

What are the sourcing risks for the BAS40-04LT1G?

The device is currently active and widely available, with no significant supply chain risks reported.

What is the pinout of BAS40-04LT1G?

Use the BAS40-04LT1G datasheet for the official pinout diagram and pin names. In PartGenie, ask Datasheet AI about BAS40-04LT1G pinout to locate pins, power rails, and interface signals before layout.

BAS40-04LT1G Datasheet, Specs, Alternatives & ECAD | onsemi

AI summary

The BAS40-04LT1G is a 40V dual series Schottky barrier diode in a SOT-23 package, ideal for high-speed switching and voltage clamping in automotive and portable applications.

Best for

High-speed switching
Voltage clamping
Automotive circuits

Avoid if

High power rectification requirements exceeding 120mA

Check before use

Thermal derating at high ambient temperatures

Key specifications

Reverse Voltage: 40 V
Forward Current: 120 mA
Package: SOT-23
Configuration: Dual Series

Compliance & Environment

RoHS: ROHS3 Compliant
REACH: REACH Unaffected
MSL: 1 (Unlimited)
ECCN: EAR99
HTSUS: 8541.10.0070

Application

AutomotiveConsumer ElectronicsGeneral Switching

Datasheet

ON-Semiconductor-company-79.pdf

800 KB

Datasheet AI

CAD Models

Download ECAD models for BAS40-04LT1G: KiCad symbol & footprint, Altium footprint, PCB footprint, and 3D model.

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Where to Buy

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Alternative components

Part	Details	Match
BAV99LT1Gonsemi	A potential pin-compatible substitute from the same manufacturer with higher voltage and current ratings.	Needs validation

Design and risk insights

Questions & answers

It is a dual series Schottky barrier diode from onsemi, designed for high-speed switching, circuit protection, and voltage clamping.

BAV99,215Nexperia USA Inc.	A cross-vendor substitute from Nexperia with higher voltage and current ratings in a compatible package.	Needs validation
MMBD4148SEonsemi	A potential substitute from the same manufacturer with upgraded voltage and current ratings.	Needs validation

AI summary

Best for

Avoid if

Check before use

Key specifications

Compliance & Environment

Application

Datasheet

CAD Models

Where to Buy

Alternative components

Design and risk insights

Questions & answers

What is the BAS40-04LT1G?+×

What are the key applications for the BAS40-04LT1G?+×

What are the key specifications of the BAS40-04LT1G?+×

What should engineers review before using the BAS40-04LT1G?+×

What are the sourcing risks for the BAS40-04LT1G?+×

What is the pinout of BAS40-04LT1G?+×