Overview
The SZNUP3105LT3G is an ESD protection diode designed by onsemi to protect CAN transceivers in 24 V systems 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 a cost-effective solution for enhancing system reliability and meeting stringent EMI requirements.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Peak Power Dissipation | 350 | W (8/20 μs Double Exponential Waveform) |
| Operating Junction Temperature Range | -55 to 150 | °C |
| Storage Temperature Range | -55 to 150 | °C |
| Lead Solder Temperature (10 s) | 260 | °C |
| Reverse Working Voltage (VRWM) | 32 | V |
| Breakdown Voltage (VBR) | 35.6 | V (at I = 1 mA) |
| Reverse Leakage Current (IRWM) | < 100 | nA (at V = 32 V) |
| Clamping Voltage (VC) | 59 V (at I = 5 A), 66 V (at I = 8 A) | V (8/20 μs Waveform) |
| Maximum Peak Pulse Current (IPP) | 8.0 | A (8/20 μs Waveform) |
| Capacitance | 30 | pF (V = 0 V, f = 1 MHz, Line to GND) |
Key Features
- 350 W Peak Power Dissipation per Line (8/20 μs Waveform)
- Low Reverse Leakage Current (< 100 nA)
- Low Capacitance for High-Speed CAN Data Rates
- IEC Compatibility: IEC 61000-4-2 (ESD): Level 4, IEC 61000-4-4 (EFT): 50 A – 5/50 ns, IEC 61000-4-5 (Lighting): 8.0 A (8/20 μs)
- 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
- Pb-Free, Halogen Free/BFR Free, and RoHS Compliant
Applications
- Industrial Control Networks: Smart Distribution Systems (SDS®), DeviceNet™
- Automotive Networks: Low and High-Speed CAN, Fault Tolerant CAN, Trucks
Q & A
- What is the primary function of the SZNUP3105LT3G?
The SZNUP3105LT3G is designed to protect CAN transceivers in 24 V systems from ESD and other transient voltage events. - What is the peak power dissipation of the SZNUP3105LT3G?
The peak power dissipation is 350 W per line (8/20 μs Double Exponential Waveform). - What are the operating and storage temperature ranges for the SZNUP3105LT3G?
The operating and storage temperature ranges are -55 to 150 °C. - What is the reverse working voltage (VRWM) of the SZNUP3105LT3G?
The reverse working voltage (VRWM) is 32 V. - Is the SZNUP3105LT3G RoHS compliant?
Yes, the SZNUP3105LT3G is Pb-Free, Halogen Free/BFR Free, and RoHS Compliant. - What are the key applications of the SZNUP3105LT3G?
The key applications include industrial control networks and automotive networks, specifically for low and high-speed CAN, fault-tolerant CAN, and trucks. - What is the flammability rating of the SZNUP3105LT3G?
The flammability rating is UL 94 V-0. - Is the SZNUP3105LT3G qualified for automotive applications?
Yes, it is AEC-Q101 Qualified and PPAP Capable. - What is the capacitance of the SZNUP3105LT3G?
The capacitance is 30 pF (V = 0 V, f = 1 MHz, Line to GND). - What are the IEC compatibility standards for the SZNUP3105LT3G?
The device meets IEC 61000-4-2 (ESD): Level 4, IEC 61000-4-4 (EFT): 50 A – 5/50 ns, and IEC 61000-4-5 (Lighting): 8.0 A (8/20 μs) standards.
