Picture	Manufacture	Model Number	Unit Price
	Onsemi	NUP2105LT1G	$0.310 Inquire

This article provides a detailed overview of the Onsemi NUP2105LT1G ESD Suppressors / TVS Diodes, including their description, features, applications, reference designs, alternative parts, and FAQs. As a professional electronic engineer, I will delve into the technical aspects of this product to help readers understand its capabilities and potential uses.

Catalog

• Product Introduction

• Specifications

• Parts with Similar Specs

• Datasheet PDF

Product Introduction

1. Description:

The NUP2105LT1G has been designed to protect the CAN transceiver in high−speed and fault tolerant networks from ESD and other harmful transient voltage events. This device provides bidirectional protection for each data line with a single compact SOT−23 package, giving the system designer a low cost option for improving system reliability and meeting stringent EMI requirements.

2. Features:

• 350 W Peak Power Dissipation per Line (8/20 sec Waveform)

• Low Reverse Leakage Current (< 100 nA)

• Low Capacitance High−Speed CAN Data Rates

• IEC Compatibility: − IEC 61000−4−2 (ESD): Level 4, 30 kV

− IEC 61000−4−4 (EFT): 40 A – 5/50 ns

− IEC 61000−4−5 (Lighting) 8.0 A (8/20 s)

• ISO 7637−2 Pulse 2a: Repetitive Load Switch Disconnect, 9.5 A

• ISO 7637−3 Pulse 3a,b: Repetitive Load Switching Fast Transients, 50 A

• Flammability Rating UL 94 V−0

• SZ Prefix for Automotive and Other Applications Requiring Unique Site and Control Change Requirements; AEC−Q101 Qualified and PPAP Capable

• These Devices are Pb−Free, Halogen Free/BFR Free and RoHS Compliant

3. Applications

• Industrial Control Networks

♦ Smart Distribution Systems (SDS®)

♦ DeviceNet™

• Automotive Networks

♦ Low and High−Speed CAN

♦ Fault Tolerant CAN

4. Reference Designs:

The NUP2105LT1G, a transient voltage suppression diode, is widely utilized for surge protection in electronic systems. Reference designs demonstrate its effectiveness in safeguarding circuits from voltage spikes across various applications.

5. Applicable Specific Modules:

(1) Protection Modules: Shield sensitive circuits from voltage spikes and surges, ensuring system reliability.

(2) Interface Modules: Protect communication ports like USB, Ethernet, or CAN bus interfaces from transient events, ensuring uninterrupted data transmission.

(3) Power Supply Modules: Safeguard power circuits from voltage transients, ensuring stable power delivery and preventing downstream component damage.

(4) Sensor Modules: Protect sensor nodes from voltage surges, ensuring accurate data acquisition in industrial or automotive applications.

(5) Control Modules: Ensure operational reliability in harsh environments by protecting sensitive control circuits in industrial machinery, automotive systems, and other equipment.

(6) Protection Circuits: Shield audio/video equipment, consumer electronics, and telecommunications infrastructure from voltage spikes and ESD events, preserving signal integrity and preventing component damage.

6. Alternative parts

• P6SMBJ6.0CA

• PTVS3V3P1UP

• SMBJ5.0CA

• SMCJ5.0CA

• NUP4201MR6

• NUP4301MR6

These alternatives offer comparable performance and features, providing options for designers based on availability, pricing, and specific application requirements.

7. FAQs

Q1: What are the key features of the NUP2105LT1G?

A1: The NUP2105LT1G features bidirectional surge protection, a compact SOT-23 package, low clamping voltage, and high surge capability, making it suitable for a wide range of applications.

Q2: What is the purpose of the NUP2105LT1G?

A2: The NUP2105LT1G is designed to protect sensitive electronic components and circuits from voltage spikes and surges, ensuring the reliability and longevity of electronic systems.

Q3: In what applications can the NUP2105LT1G be used?

A3: The NUP2105LT1G can be used in various applications, including consumer electronics, automotive systems, industrial equipment, telecommunications infrastructure, and more, wherever surge protection is required.

Q4: How does the NUP2105LT1G compare to other surge protection devices?

A4: The NUP2105LT1G offers bidirectional surge protection in a compact package, making it suitable for space-constrained applications. Its low clamping voltage and high surge capability provide effective transient voltage suppression.

Q5: How should the NUP2105LT1G be connected in a circuit?

A5: The NUP2105LT1G should be connected between the signal line and ground to provide surge protection. It should be placed as close as possible to the sensitive circuitry to minimize the effects of voltage transients.

In summary, the NUP2105LT1G provides robust surge protection and transient voltage suppression in a compact package. With bidirectional surge protection, low clamping voltage, and high surge capability, it ensures reliability across various applications. Ideal for consumer electronics, automotive systems, industrial equipment, and more, it safeguards sensitive components from voltage spikes and surges, enhancing system longevity and performance.

Specifications

Onsemi NUP2105LT1G technical specifications, attributes, parameters and parts with similar specifications to Onsemi NUP2105LT1G.

Datasheet PDF

Download datasheets and manufacturer documentation for Onsemi NUP2105LT1G.

Datasheets :

Onsemi NUP2105LT1G Datasheet

Environmental Information :

Onsemi RoHS

Onsemi REACH

Design Resources :

NUP2105LT1G Symbols, Footprints