規格
| 屬性 | 價值 |
| Package / Case | Tape & Reel (TR),Cut Tape (CT) |
| Series | TransZorb® |
| Part Status | Active |
| Type | Zener |
| Unidirectional Channels | 1 |
| Voltage - Reverse Standoff (Typ) | 40V |
| Voltage - Breakdown (Min) | 44.4V |
| Voltage - Clamping (Max) @ Ipp | 64.5V |
| Current - Peak Pulse(10 / 1000µs) | 9.3A |
| Power - Peak Pulse | 600W |
| Power Line Protection | No |
| Applications | General Purpose |
| Operating Temperature | -55°C ~ 150°C (TJ) |
| Mounting Type | Surface Mount |
概述
Description
The SMBJ40A-E3/52 is a surface-mount transient voltage suppressor (TVS) diode designed to protect sensitive electronics from voltage spikes and transients. Key features include:
- Standoff Voltage (VWM): 40V
- Breakdown Voltage (VBR): 44.4V (min)
- Peak Pulse Power (PPP): 600W (8/20µs waveform)
- Low Clamping Voltage: Provides robust ESD and surge protection.
- Package: SMB (DO-214AA) for compact PCB mounting.
Commonly used in power supplies, communication systems, and automotive circuits, it safeguards against surges from lightning, inductive switching, and electrostatic discharge (ESD). The E3/52 suffix indicates RoHS compliance and tape-and-reel packaging.
For detailed specs, refer to the datasheet from manufacturers like Vishay or Diodes Inc.
- Standoff Voltage (VWM): 40V
- Breakdown Voltage (VBR): 44.4V (min)
- Peak Pulse Power (PPP): 600W (8/20µs waveform)
- Low Clamping Voltage: Provides robust ESD and surge protection.
- Package: SMB (DO-214AA) for compact PCB mounting.
Commonly used in power supplies, communication systems, and automotive circuits, it safeguards against surges from lightning, inductive switching, and electrostatic discharge (ESD). The E3/52 suffix indicates RoHS compliance and tape-and-reel packaging.
For detailed specs, refer to the datasheet from manufacturers like Vishay or Diodes Inc.
Equivalent
Equivalent products to the SMBJ40A-E3/52 (40V TVS diode) include:
- SMBJ40CA (bidirectional)
- P6SMB40A (Littelfuse)
- 1.5SMC40A (higher power)
- SMAJ40A (lower power)
- TPSMB40A (STMicroelectronics)
Check datasheets for exact specs like power dissipation and clamping voltage.
- SMBJ40CA (bidirectional)
- P6SMB40A (Littelfuse)
- 1.5SMC40A (higher power)
- SMAJ40A (lower power)
- TPSMB40A (STMicroelectronics)
Check datasheets for exact specs like power dissipation and clamping voltage.
Features
The SMBJ40A-E3/52 is a 40V bidirectional TVS diode designed for transient voltage suppression in electronic circuits. Key features:
- Bidirectional clamping – Protects against both positive and negative voltage transients.
- Peak pulse power: 600W (8/20µs waveform).
- Breakdown voltage (VBR): 44.4V min (at 1mA).
- Clamping voltage (VC): 64.4V max (at 16.5A).
- Low leakage current: <1µA (at working voltage).
- Fast response time: <1ps.
- SMB (DO-214AA) package – Compact and surface-mountable.
- RoHS compliant – Lead-free and environmentally friendly.
Ideal for ESD protection, surge suppression in power supplies, communication lines, and automotive electronics.
- Bidirectional clamping – Protects against both positive and negative voltage transients.
- Peak pulse power: 600W (8/20µs waveform).
- Breakdown voltage (VBR): 44.4V min (at 1mA).
- Clamping voltage (VC): 64.4V max (at 16.5A).
- Low leakage current: <1µA (at working voltage).
- Fast response time: <1ps.
- SMB (DO-214AA) package – Compact and surface-mountable.
- RoHS compliant – Lead-free and environmentally friendly.
Ideal for ESD protection, surge suppression in power supplies, communication lines, and automotive electronics.
Pinout
The SMBJ40A-E3/52 is a bidirectional TVS diode in an SMB (DO-214AA) package with 2 pins.
Key Functions:
- Transient Voltage Suppression (TVS): Protects circuits from voltage spikes (e.g., ESD, surges).
- Bidirectional Operation: Clamps both positive and negative transients.
- Breakdown Voltage (VBR): 44.4V (min) to 49.2V (max).
- Peak Pulse Power: 600W (8/20μs waveform).
Pin Configuration:
- Pin 1 (Anode/Cathode): Connects to the protected line.
- Pin 2 (Cathode/Anode): Connects to ground or opposite polarity.
Applications:
- Power supplies, communication lines, automotive electronics.
Key Functions:
- Transient Voltage Suppression (TVS): Protects circuits from voltage spikes (e.g., ESD, surges).
- Bidirectional Operation: Clamps both positive and negative transients.
- Breakdown Voltage (VBR): 44.4V (min) to 49.2V (max).
- Peak Pulse Power: 600W (8/20μs waveform).
Pin Configuration:
- Pin 1 (Anode/Cathode): Connects to the protected line.
- Pin 2 (Cathode/Anode): Connects to ground or opposite polarity.
Applications:
- Power supplies, communication lines, automotive electronics.
Application
The SMBJ40A-E3/52 is a TVS diode designed for transient voltage suppression in various applications, including:
1. Electronics Protection – Safeguards sensitive circuits from voltage spikes in power lines, data lines, and I/O ports.
2. Telecommunications – Protects communication equipment (routers, modems) from ESD and surges.
3. Automotive Systems – Shields automotive electronics from load-dump and transient events.
4. Industrial Equipment – Ensures reliability in PLCs, sensors, and control systems.
5. Consumer Electronics – Used in devices like TVs, PCs, and chargers for surge protection.
Its 40V breakdown voltage and SMB package make it suitable for compact, high-reliability designs.
1. Electronics Protection – Safeguards sensitive circuits from voltage spikes in power lines, data lines, and I/O ports.
2. Telecommunications – Protects communication equipment (routers, modems) from ESD and surges.
3. Automotive Systems – Shields automotive electronics from load-dump and transient events.
4. Industrial Equipment – Ensures reliability in PLCs, sensors, and control systems.
5. Consumer Electronics – Used in devices like TVs, PCs, and chargers for surge protection.
Its 40V breakdown voltage and SMB package make it suitable for compact, high-reliability designs.
