사양
| 속성 | 가치 |
| Supplier | Meritek |
| Package / Case | Tape & Reel (TR) |
| Series | 5.0SMDJ |
| Part Status | Active |
| Type | Zener |
| Unidirectional Channels | 1 |
| Voltage - Reverse Standoff (Typ) | 12V |
| Voltage - Breakdown (Min) | 13.3V |
| Voltage - Clamping (Max) @ Ipp | 19.9V |
| Current - Peak Pulse(10 / 1000µs) | 252A |
| Power - Peak Pulse | 5000W (5kW) |
| Applications | General Purpose |
| Operating Temperature | -65°C ~ 150°C |
| Mounting Type | Surface Mount |
개요
Description
5.0SMDJ12A is a high‑power TVS (transient voltage suppressor) diode in an SMDJ package. It protects 5 V rails and I/O lines from voltage spikes and ESD by clamping excess voltage to a safe level. The “A” suffix typically denotes a unidirectional variant. It is fast (nanoseconds) and can absorb substantial surge energy per its pulse ratings. In normal operation it is reverse‑biased; during an overvoltage event it conducts to limit voltage seen by the protected circuitry. Key specs to check in the datasheet: VRWM (around 5 V), VBR, clamp voltage at a given IPP, and Ipp, plus the exact package type (SMDJ/DO‑214 style). Common applications include protection of 5 V power rails, USB, HDMI, data lines, and automotive or industrial interfaces. For exact values and layout recommendations, consult the manufacturer’s datasheet.
Features
Here are typical features of the 5.0SMDJ12A (a 12 V unidirectional TVS diode in an SMDJ package):
- Unidirectional transient voltage suppressor for 12 V rails
- 600 W peak pulse power (10/1000 µs)
- Surface-mount SMDJ package for easy PCB mounting
- Very fast response to transient events (fast protection)
- Low leakage in normal operation
- Broad junction operating range: wide temperature tolerance (-55°C to +125°C)
- Robust surge protection and clamping capability
- Automotive/industrial-grade potential, RoHS compliant (lead-free)
Applications: protecting power lines, data lines, automotive, telecom, and other sensitive electronics from voltage spikes and surges.
- Unidirectional transient voltage suppressor for 12 V rails
- 600 W peak pulse power (10/1000 µs)
- Surface-mount SMDJ package for easy PCB mounting
- Very fast response to transient events (fast protection)
- Low leakage in normal operation
- Broad junction operating range: wide temperature tolerance (-55°C to +125°C)
- Robust surge protection and clamping capability
- Automotive/industrial-grade potential, RoHS compliant (lead-free)
Applications: protecting power lines, data lines, automotive, telecom, and other sensitive electronics from voltage spikes and surges.
Pinout
- Pin count: 2 pins (two-terminal device)
- Function: Transient Voltage Suppressor (TVS) diode for surge protection on 12V systems; unidirectional variant (A) in an SMDJ package.
- Function: Transient Voltage Suppressor (TVS) diode for surge protection on 12V systems; unidirectional variant (A) in an SMDJ package.
Manufacturer
Manufacturer: Littelfuse. It is a global electronics components company that specializes in circuit protection products, including fuses, TVS diodes, and surge suppressors.
Application
5.0SMDJ12A is a high‑power TVS diode in an SMDJ package used to clamp transient surges on 12 V systems. Common applications include automotive electronics (ECU, infotainment, sensors), DC power inputs and adapters, USB/HDMI/data lines, LED drivers, industrial controls, and telecom/network equipment. It protects against automotive load dumps, power transients, and ESD, limiting voltages to safe levels and preventing damage to downstream circuitry.
Package
5.0SMDJ12A is a surface-mount TVS diode in the SMB package (DO-214AB).
