Overview
The 1N5349B BK is a 5 Watt Zener diode produced by ON Semiconductor, although it is often associated with various manufacturers due to its widespread use. This diode is part of the 1N5349 series and is known for its tight voltage limits and superior operating characteristics, thanks to its silicon-oxide passivated junctions. It is packaged in a transfer-molded plastic case with axial leads, providing protection against common environmental conditions.
Key Specifications
| Parameter | Value |
|---|---|
| Zener Voltage (Vz) | 12 V |
| Power Dissipation (Pd) | 5 W |
| Diode Case Style | DO-201AE |
| Zener Tolerance | ±5% |
| No. of Pins | 2 Pins |
| Operating Temperature Range | -55°C to +150°C |
| Maximum Lead Temperature for Soldering | 260°C (1/16in from case for 10sec) |
| Polarity | Cathode band |
| Marking | Type number |
| Approximate Weight | 0.032 ounces (0.9 grams) |
Key Features
- Zener Voltage Range: The 1N5349B series offers a standard Zener breakdown voltage range, although the specific model 1N5349B is rated at 12 V.
- ESD Rating: Class 3 (>16 kV) per Human Body Model.
- Surge Rating: Up to 180 W @ 8.3 ms.
- Maximum Limits Guaranteed: On up to six electrical parameters.
- Pb-Free Packages: Available for environmental compliance.
Applications
Zener diodes like the 1N5349B are used for voltage regulation over a broad range of operating voltages, currents, and temperatures. They are commonly found in power supply circuits, voltage stabilizers, and as protection devices against voltage spikes and surges.
Q & A
- What is the Zener voltage of the 1N5349B diode?
The Zener voltage of the 1N5349B diode is 12 V.
- What is the power dissipation rating of the 1N5349B diode?
The power dissipation rating of the 1N5349B diode is 5 W.
- What is the case style of the 1N5349B diode?
The case style of the 1N5349B diode is DO-201AE.
- What is the Zener tolerance of the 1N5349B diode?
The Zener tolerance of the 1N5349B diode is ±5%.
- What is the operating temperature range of the 1N5349B diode?
The operating temperature range of the 1N5349B diode is -55°C to +150°C.
- What is the maximum lead temperature for soldering the 1N5349B diode?
The maximum lead temperature for soldering the 1N5349B diode is 260°C (1/16in from case for 10sec).
- How is the polarity of the 1N5349B diode indicated?
The polarity of the 1N5349B diode is indicated by a cathode band.
- What is the approximate weight of the 1N5349B diode?
The approximate weight of the 1N5349B diode is 0.032 ounces (0.9 grams).
- What are some common applications of the 1N5349B diode?
The 1N5349B diode is commonly used in power supply circuits, voltage stabilizers, and as protection devices against voltage spikes and surges.
- Does the 1N5349B diode have Pb-Free packages available?
