SA14A TVS Diode Unidirectional 14V 22A DO-15
SA14A is a unidirectional DO-15 TVS diode, 14V standoff, 22A peak pulse current and 500W (10/1000µs) surge protection for fast clamp and ESD/transient suppression.
3.50 EGP
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The SA14A TVS Diode is a unidirectional transient voltage suppression device in a DO-15 axial package engineered to protect sensitive circuits from high-energy voltage transients such as lightning induced spikes, switching transients and ESD events. It offers a 14V reverse standoff, excellent clamping performance, low leakage and robust surge capability in a compact, glass-passivated package suitable for telecom, industrial, automotive and consumer applications.
Features
- 500W peak pulse power capability at the 10/1000µs waveform for heavy transient protection.
- Unidirectional DO-15 axial package with glass-passivated junction for reliable performance.
- Reverse standoff voltage 14V with tight breakdown tolerance for predictable protection behavior.
- Maximum clamping voltage ~23.2V at the specified peak pulse current for effective voltage limiting.
- Low reverse leakage current (typical ≤1µA at VR) for minimal standby drain.
- Fast response time (typically <1.0ps from 0V to VBRmin).
- Peak forward surge capability FSM 70A (8.3ms single half sine), suitable for short transient stress.
- High temperature capability and wide junction/storage range (−65°C to +175°C).
Specifications
| Parameter | Value |
|---|---|
| Package | DO-15 |
| Polarity | Unidirectional |
| Reverse Standoff Voltage (VR) | 14V |
| Breakdown Voltage (VBR) | 15.6–17.2V@IT=1mA |
| Test Current (IT) | 1mA |
| Maximum Clamping Voltage (VC@IPP) | 23.2V@IPP=22A |
| Peak Pulse Current (IPP,10/1000µs) | 22A |
| Peak Pulse Power (PPPM,10/1000µs) | 500W |
| Steady State Power Dissipation (PD@TL=75°C) | 3.0W |
| Peak Forward Surge Current (FSM,8.3ms) | 70A |
| Maximum Instant Forward Voltage (VF@35A) | 3.5V |
| Reverse Leakage (IR@VR) | ≤1µA |
| Operating Junction And Storage Temp (TJ,TSTG) | −65°Cto+175°C |
| Thermal Resistance Junction To Lead (RθJL) | 20°C/W |
| Thermal Resistance Junction To Ambient (RθJA) | 75°C/W |
Applications
- Surge and transient protection for I/O interfaces, data lines and communication ports.
- VCC bus and power-rail protection in telecom, networking and server equipment.
- ESD protection for USB, serial, CAN and other exposed signal lines.
- Transient suppression in industrial controls, instrumentation and power electronics.
- Protection of consumer electronics, automotive modules and battery management interfaces.
Package Contents
- 1x SA14A TVS Diode Unidirectional 14V 22A DO-15.
Documents
| Datasheet | SA14A |
| CAD Files | Download KiCad Files |
| Weight | 2 g |
|---|---|
| Dimensions | 50 × 5 × 5 mm |
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