Overview
The SZNUP2125WTT1G is a dual-line ESD protection diode designed by onsemi to protect CAN (Controller Area Network) and LIN (Local Interconnect Network) transceivers from electrostatic discharge (ESD) and other transient voltage events. This device is packaged in a compact SC-70 (SOT-323) package, offering a cost-effective solution for enhancing system reliability and meeting stringent EMI requirements.
Key Specifications
| Symbol | Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| PPK | Peak Power Dissipation, 8/20 μs Double Exponential Waveform | - | - | 200 | W |
| TJ | Operating Junction Temperature Range | -55 | - | 150 | °C |
| TJ | Storage Temperature Range | -55 | - | 150 | °C |
| TL | Lead Solder Temperature (10 s) | - | - | 260 | °C |
| VRWM | Reverse Working Voltage | - | - | 24 | V |
| VBR | Breakdown Voltage | 27 | 28.5 | 32 | V |
| IR | Reverse Leakage Current | - | 15 | 100 | nA |
| VC | Clamping Voltage (IPP = 1 A, 8/20 μs Waveform) | - | 33.4 | 36.6 | V |
| VC | Clamping Voltage (IPP = 3 A, 8/20 μs Waveform) | - | 44 | 50 | V |
| IPP | Maximum Peak Pulse Current (8/20 μs Waveform) | - | - | 3.0 | A |
| CJ | Capacitance (VR = 0 V, f = 1 MHz, Line to GND) | - | 7.0 | 10 | pF |
Key Features
- Bidirectional protection for each data line in a single compact SC-70 (SOT-323) package.
- 200 W Peak Power Dissipation per line (8/20 μs waveform).
- Diode capacitance matching to ensure consistent performance.
- Low reverse leakage current (< 100 nA).
- Compliance with IEC standards: IEC 61000-4-2 (ESD) Level 4, IEC 61000-4-4 (EFT) 50 A – 5/50 ns, and IEC 61000-4-5 (Lightning) 3.0 A (8/20 μs).
- Compliance with ISO 7637-1 and ISO 7637-3 for nonrepetitive and repetitive EMI surge pulses.
- 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 devices.
Applications
- Automotive networks:
- CAN / CAN-FD
- Low and high-speed CAN
- Fault tolerant CAN
- LIN (Local Interconnect Network)
Q & A
- What is the primary function of the SZNUP2125WTT1G?
The primary function of the SZNUP2125WTT1G is to protect CAN and LIN transceivers from ESD and other harmful transient voltage events.
- What is the package type of the SZNUP2125WTT1G?
The SZNUP2125WTT1G is packaged in a SC-70 (SOT-323) package.
- What is the peak power dissipation of the SZNUP2125WTT1G per line?
The peak power dissipation is 200 W per line for an 8/20 μs waveform.
- What are the operating and storage temperature ranges for the SZNUP2125WTT1G?
The operating and storage temperature ranges are -55°C to 150°C.
- What are the compliance standards for the SZNUP2125WTT1G?
The device complies with IEC 61000-4-2 (ESD) Level 4, IEC 61000-4-4 (EFT), IEC 61000-4-5 (Lightning), ISO 7637-1, and ISO 7637-3.
- Is the SZNUP2125WTT1G Pb-free?
- What is the maximum reverse leakage current of the SZNUP2125WTT1G?
The maximum reverse leakage current is 100 nA.
- What is the clamping voltage of the SZNUP2125WTT1G for a 1 A peak pulse current?
The clamping voltage for a 1 A peak pulse current is between 33.4 V and 36.6 V.
- What are the typical applications of the SZNUP2125WTT1G?
The typical applications include automotive networks such as CAN, CAN-FD, low and high-speed CAN, fault tolerant CAN, and LIN.
- Is the SZNUP2125WTT1G AEC-Q101 qualified?
