規格
| 屬性 | 價值 |
| Package / Case | Tape & Reel (TR),Cut Tape (CT) |
| Series | SM15T, TRANSIL™ |
| Part Status | Active |
| Type | Zener |
| Unidirectional Channels | 1 |
| Voltage - Reverse Standoff (Typ) | 28.2V |
| Voltage - Breakdown (Min) | 31.4V |
| Voltage - Clamping (Max) @ Ipp | 59V |
| Current - Peak Pulse(10 / 1000µs) | 169A (8/20µs) |
| Power - Peak Pulse | 1500W (1.5kW) |
| Power Line Protection | No |
| Applications | General Purpose |
| Operating Temperature | -55°C ~ 150°C (TJ) |
| Mounting Type | Surface Mount |
概述
Description
The SM15T33A is a 15V unidirectional TVS diode designed for transient voltage suppression in electronic circuits. It protects sensitive components from voltage spikes (e.g., ESD, lightning surges) by clamping excess voltage to a safe level.
### Key Features:
- Standoff Voltage: 15V
- Breakdown Voltage: 16.7V (min)
- Peak Pulse Power: 1500W (8/20μs)
- Low Clamping Voltage: Fast response (<1ns)
- Unidirectional: Protects against positive transients.
### Applications:
- ESD protection (USB, HDMI, data lines)
- Automotive/Industrial systems (load dump, surge protection)
- Power supplies & communication ports
### Package:
- SMC/DO-214AB (surface-mount)
The SM15T33A is robust, reliable, and ideal for safeguarding low-voltage circuits. For bidirectional protection, consider the SM15T33CA variant.
### Key Features:
- Standoff Voltage: 15V
- Breakdown Voltage: 16.7V (min)
- Peak Pulse Power: 1500W (8/20μs)
- Low Clamping Voltage: Fast response (<1ns)
- Unidirectional: Protects against positive transients.
### Applications:
- ESD protection (USB, HDMI, data lines)
- Automotive/Industrial systems (load dump, surge protection)
- Power supplies & communication ports
### Package:
- SMC/DO-214AB (surface-mount)
The SM15T33A is robust, reliable, and ideal for safeguarding low-voltage circuits. For bidirectional protection, consider the SM15T33CA variant.
Equivalent
Equivalent products to the SM15T33A (33V TVS diode) include:
- SMAJ33A (Littelfuse)
- P6SMB33A (ON Semiconductor)
- 1.5SMC33A (Vishay)
- SMBJ33A (Bourns)
These are similar 33V unidirectional TVS diodes with comparable clamping voltage and power dissipation. Check datasheets for exact specs.
- SMAJ33A (Littelfuse)
- P6SMB33A (ON Semiconductor)
- 1.5SMC33A (Vishay)
- SMBJ33A (Bourns)
These are similar 33V unidirectional TVS diodes with comparable clamping voltage and power dissipation. Check datasheets for exact specs.
Features
The SM15T33A is a 15V bidirectional TVS diode designed for transient voltage suppression in sensitive electronics. Key features:
- Voltage Rating: 15V working standoff, 33V clamping.
- Bidirectional: Protects against both positive and negative transients.
- High Surge Capacity: Handles 1.5kW peak pulse power (8/20µs).
- Low Clamping Voltage: Limits voltage spikes effectively.
- Fast Response: Reacts in <1ns to transients.
- Low Leakage Current: Minimizes power loss.
- Applications: ESD protection, automotive, telecom, and industrial systems.
Compact SMC (DO-214AB) package for easy PCB integration. Ideal for safeguarding circuits from surges, ESD, and lightning strikes.
- Voltage Rating: 15V working standoff, 33V clamping.
- Bidirectional: Protects against both positive and negative transients.
- High Surge Capacity: Handles 1.5kW peak pulse power (8/20µs).
- Low Clamping Voltage: Limits voltage spikes effectively.
- Fast Response: Reacts in <1ns to transients.
- Low Leakage Current: Minimizes power loss.
- Applications: ESD protection, automotive, telecom, and industrial systems.
Compact SMC (DO-214AB) package for easy PCB integration. Ideal for safeguarding circuits from surges, ESD, and lightning strikes.
Pinout
The SM15T33A is a 15V unidirectional TVS diode designed for transient voltage suppression.
- Pin Count: 2 pins (standard diode package, typically DO-214AA/SMB).
- Function: Protects sensitive electronics from voltage spikes by clamping transient voltages to a safe level (33V max clamping voltage).
- Key Parameters:
- Standoff Voltage (V₃₀): 15V
- Breakdown Voltage (VBR): ~16.7V (min)
- Peak Pulse Current (IPP): 24.2A (8/20μs pulse)
Commonly used in power lines, data lines, and automotive circuits for ESD/EFT/surge protection.
- Pin Count: 2 pins (standard diode package, typically DO-214AA/SMB).
- Function: Protects sensitive electronics from voltage spikes by clamping transient voltages to a safe level (33V max clamping voltage).
- Key Parameters:
- Standoff Voltage (V₃₀): 15V
- Breakdown Voltage (VBR): ~16.7V (min)
- Peak Pulse Current (IPP): 24.2A (8/20μs pulse)
Commonly used in power lines, data lines, and automotive circuits for ESD/EFT/surge protection.
Manufacturer
The SM15T33A is a transient voltage suppressor (TVS) diode manufactured by STMicroelectronics, a global semiconductor company based in Switzerland.
STMicroelectronics specializes in designing and producing a wide range of semiconductor solutions, including microcontrollers, sensors, power management ICs, and protection devices like TVS diodes. The company serves industries such as automotive, industrial, consumer electronics, and IoT.
The SM15T33A is designed for surge protection in applications like automotive systems, telecom, and power supplies, offering robust ESD and transient overvoltage protection.
STMicroelectronics is known for its innovation, reliability, and strong presence in high-performance electronics markets.
STMicroelectronics specializes in designing and producing a wide range of semiconductor solutions, including microcontrollers, sensors, power management ICs, and protection devices like TVS diodes. The company serves industries such as automotive, industrial, consumer electronics, and IoT.
The SM15T33A is designed for surge protection in applications like automotive systems, telecom, and power supplies, offering robust ESD and transient overvoltage protection.
STMicroelectronics is known for its innovation, reliability, and strong presence in high-performance electronics markets.
Application
The SM15T33A is a TVS diode designed for transient voltage suppression in various applications. Key areas include:
1. Electronics Protection – Safeguards sensitive components from voltage spikes in power supplies, data lines, and communication interfaces (USB, HDMI, Ethernet).
2. Automotive Systems – Protects CAN bus, sensors, and infotainment systems from ESD and load-dump surges.
3. Industrial Equipment – Shields control systems, PLCs, and I/O ports from transient disturbances.
4. Consumer Electronics – Used in smartphones, tablets, and IoT devices for ESD protection.
Its 33V clamping voltage and high surge capability make it ideal for fast overvoltage protection in compact designs.
1. Electronics Protection – Safeguards sensitive components from voltage spikes in power supplies, data lines, and communication interfaces (USB, HDMI, Ethernet).
2. Automotive Systems – Protects CAN bus, sensors, and infotainment systems from ESD and load-dump surges.
3. Industrial Equipment – Shields control systems, PLCs, and I/O ports from transient disturbances.
4. Consumer Electronics – Used in smartphones, tablets, and IoT devices for ESD protection.
Its 33V clamping voltage and high surge capability make it ideal for fast overvoltage protection in compact designs.
Package
The SM15T33A is a transient voltage suppressor (TVS) diode in a SMB (DO-214AA) surface-mount package. It offers 33V breakdown voltage and is designed for surge protection in electronics. The SMB package is compact, suitable for high-density PCB layouts, and features two terminals for easy soldering. Typical applications include safeguarding sensitive circuits from ESD, lightning, and other voltage transients.
