Overview
The SZNUP2105LT1G, produced by onsemi, is a dual-line CAN bus protector designed to safeguard CAN transceivers in high-speed and fault-tolerant networks from Electrostatic Discharge (ESD) and other harmful transient voltage events. This device offers bidirectional protection for each data line within a single compact SOT-23 package, providing system designers a cost-effective solution to enhance system reliability and meet stringent Electromagnetic Interference (EMI) requirements.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Peak Power Dissipation (8/20 μs Waveform) | 350 | W |
| Reverse Working Voltage (VRWM) | 24 | V |
| Reverse Leakage Current (IR) | < 100 | nA |
| Capacitance (C) | 30 | pF |
| Operating Junction Temperature Range (TJ) | -55 to 150 | °C |
| Storage Temperature Range (TJ) | -55 to 150 | °C |
| Lead Solder Temperature (TL) | 260 | °C |
| ESD Human Body Model (HBM) | 16 kV | |
| ESD Machine Model (MM) | 400 V | |
| IEC 61000-4-2 (ESD) Specification | Level 4, 30 kV | |
| IEC 61000-4-4 (EFT) Specification | 50 A (5/50 ns) | |
| IEC 61000-4-5 (Lightning) Specification | 8.0 A (8/20 μs) | |
| ISO 7637-2 Pulse 2a Specification | 9.5 A |
Key Features
- Low reverse leakage current (< 100 nA)
- Low capacitance suitable for high-speed CAN data rates
- Bidirectional protection for each data line in a single SOT-23 package
- Compliance with IEC 61000-4-2, IEC 61000-4-4, and IEC 61000-4-5 standards
- ISO 7637-2 and ISO 7637-3 pulse compatibility
- AEC-Q101 qualified and PPAP capable for automotive applications
- Pb-free, halogen-free/BFR-free, and RoHS compliant
- Flammability rating UL 94 V-0
Applications
- High-speed and fault-tolerant CAN networks
- Industrial control systems (e.g., Smart Distribution Systems (SDS®), DeviceNet™)
- Automotive networks (e.g., low and high-speed CAN, in-vehicle networking)
- Medical and marine systems
Q & A
- What is the primary function of the SZNUP2105LT1G? The SZNUP2105LT1G is designed to protect CAN transceivers from ESD and other transient voltage events in high-speed and fault-tolerant networks.
- What package type does the SZNUP2105LT1G use? The device is packaged in a compact SOT-23 package.
- What is the peak power dissipation of the SZNUP2105LT1G? The peak power dissipation is 350 W per line (8/20 μs waveform).
- Is the SZNUP2105LT1G compliant with automotive standards? Yes, it is AEC-Q101 qualified and PPAP capable.
- What are the operating temperature ranges for the SZNUP2105LT1G? The operating junction temperature range is -55 to 150°C, and the storage temperature range is also -55 to 150°C.
- Does the SZNUP2105LT1G meet EMI standards? Yes, it complies with IEC 61000-4-2, IEC 61000-4-4, and IEC 61000-4-5 standards.
- What is the reverse leakage current of the SZNUP2105LT1G? The reverse leakage current is less than 100 nA.
- Is the SZNUP2105LT1G RoHS compliant? Yes, it is Pb-free, halogen-free/BFR-free, and RoHS compliant.
- What are some common applications of the SZNUP2105LT1G? It is used in industrial control systems, automotive networks, medical systems, and marine systems.
- What is the flammability rating of the SZNUP2105LT1G? The flammability rating is UL 94 V-0.
