Overview
The BZX79-C3V9,143 is a low-power voltage regulator diode produced by Nexperia (formerly part of NXP Semiconductors). This component is part of the BZX79 series, which offers a range of voltage regulator diodes in hermetically sealed leaded glass SOD27 (DO-35) packages. The BZX79-C3V9,143 is specifically designed to provide a stable voltage reference with a nominal working voltage of 3.9 volts and a tolerance of approximately ±5%.
Key Specifications
| Parameter | Conditions | Min. | Max. | Unit |
|---|---|---|---|---|
| Working Voltage (VZ) | At IZtest = 5 mA | 3.9 | - | V |
| Total Power Dissipation (Ptot) | Tamb = 50 °C; note 1 | - | 400 | mW |
| Total Power Dissipation (Ptot) | Tamb = 50 °C; note 2 | - | 500 | mW |
| Non-repetitive Peak Reverse Power Dissipation (PZSM) | tp = 100 μs; square wave; Tj = 25 °C prior to surge | - | 40 | W |
| Forward Voltage (VF) | IF = 10 mA | - | 0.9 | V |
| Reverse Current (IR) | VR = 1 V | - | 3 | μA |
| Storage Temperature (Tstg) | - | -65 | 200 | °C |
| Junction Temperature (Tj) | - | -65 | 200 | °C |
Key Features
- Low-power voltage regulator diode with a nominal working voltage of 3.9 volts and a tolerance of approximately ±5%.
- Hermetically sealed leaded glass SOD27 (DO-35) package.
- Total power dissipation: max. 500 mW.
- Non-repetitive peak reverse power dissipation: max. 40 W.
- Forward voltage: max. 0.9 V at IF = 10 mA.
- Reverse current: max. 3 μA at VR = 1 V.
- Operating temperature range: -65 °C to +200 °C.
Applications
- Low voltage stabilizers or voltage references.
- Regulation of voltage in electronic circuits.
- Protection against voltage spikes and surges.
- Use in power supplies, audio equipment, and other electronic devices requiring stable voltage regulation.
Q & A
- What is the nominal working voltage of the BZX79-C3V9,143? The nominal working voltage is 3.9 volts.
- What is the tolerance of the BZX79-C3V9,143? The tolerance is approximately ±5%.
- What is the maximum total power dissipation of the BZX79-C3V9,143? The maximum total power dissipation is 500 mW.
- What is the non-repetitive peak reverse power dissipation of the BZX79-C3V9,143? The non-repetitive peak reverse power dissipation is 40 W.
- What is the forward voltage of the BZX79-C3V9,143 at 10 mA? The forward voltage is 0.9 V at IF = 10 mA.
- What is the reverse current of the BZX79-C3V9,143 at 1 V? The reverse current is 3 μA at VR = 1 V.
- What is the operating temperature range of the BZX79-C3V9,143? The operating temperature range is -65 °C to +200 °C.
- In what type of package is the BZX79-C3V9,143 available? It is available in a hermetically sealed leaded glass SOD27 (DO-35) package.
- What are some common applications of the BZX79-C3V9,143? Common applications include low voltage stabilizers, voltage references, and protection against voltage spikes and surges.
- Is the BZX79-C3V9,143 RoHS compliant? Yes, the BZX79-C3V9,143 is RoHS compliant.
