Overview
The BZX84B30Q-7-F is a low-power voltage regulator diode produced by Diodes Incorporated. This component is part of the BZX84 series, known for its high precision and reliability in voltage regulation applications. The diode is packaged in a small SOT23 (TO-236AB) Surface-Mounted Device (SMD) plastic package, making it suitable for a wide range of electronic designs where space is a constraint.
Key Specifications
| Parameter | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Working Voltage (VZ) | IZ = 5 mA | 29.4 | - | 30.6 | V |
| Forward Voltage (VF) | IF = 10 mA | - | - | 0.9 | V |
| Total Power Dissipation (Ptot) | Tamb ≤ 25 °C | - | - | 250 | mW |
| Non-repetitive Peak Reverse Power Dissipation | tp = 100 μs; Tj = 25 °C | - | - | 40 | W |
| Reverse Current (IR) | IZ = 5 mA | - | - | 0.05 | μA |
| Temperature Coefficient (SZ) | IZ = 5 mA | - | - | 21.4 | mV/K |
| Diode Capacitance (Cd) | f = 1 MHz; VR = 0 V | - | - | 50 | pF |
| Thermal Resistance from Junction to Ambient (Rth(j-a)) | Device mounted on FR4 PCB | - | - | 500 | K/W |
Key Features
- Low-power voltage regulator diode with high precision.
- Available in SOT23 (TO-236AB) SMD package.
- Three tolerance series: ±1 % (BZX84-A), ±2 % (BZX84-B), and approximately ±5 % (BZX84-C).
- Working voltage range: nominal 2.4 V to 75 V (E24 range).
- Total power dissipation: ≤250 mW.
- Non-repetitive peak reverse power dissipation: ≤ 40 W.
Applications
The BZX84B30Q-7-F is suitable for various general regulation functions in electronic circuits. It is commonly used in applications requiring stable voltage regulation, such as power supplies, voltage references, and signal processing circuits.
Q & A
- What is the working voltage of the BZX84B30Q-7-F diode?
The working voltage of the BZX84B30Q-7-F diode is between 29.4 V and 30.6 V at IZ = 5 mA. - What is the forward voltage of the BZX84B30Q-7-F diode?
The forward voltage (VF) of the BZX84B30Q-7-F diode is up to 0.9 V at IF = 10 mA. - What is the total power dissipation of the BZX84B30Q-7-F diode?
The total power dissipation (Ptot) of the BZX84B30Q-7-F diode is ≤250 mW at Tamb ≤ 25 °C. - What is the non-repetitive peak reverse power dissipation of the BZX84B30Q-7-F diode?
The non-repetitive peak reverse power dissipation is ≤ 40 W at tp = 100 μs; Tj = 25 °C. - What is the thermal resistance from junction to ambient for the BZX84B30Q-7-F diode?
The thermal resistance from junction to ambient (Rth(j-a)) is up to 500 K/W when the device is mounted on an FR4 PCB. - What are the common applications of the BZX84B30Q-7-F diode?
The BZX84B30Q-7-F diode is commonly used in general regulation functions, power supplies, voltage references, and signal processing circuits. - What is the package type of the BZX84B30Q-7-F diode?
The BZX84B30Q-7-F diode is packaged in a SOT23 (TO-236AB) Surface-Mounted Device (SMD) plastic package. - What are the tolerance series available for the BZX84 series diodes?
The BZX84 series diodes are available in three tolerance series: ±1 % (BZX84-A), ±2 % (BZX84-B), and approximately ±5 % (BZX84-C). - How much is the reverse current (IR) of the BZX84B30Q-7-F diode?
The reverse current (IR) of the BZX84B30Q-7-F diode is up to 0.05 μA at IZ = 5 mA. - What is the diode capacitance (Cd) of the BZX84B30Q-7-F diode?
The diode capacitance (Cd) of the BZX84B30Q-7-F diode is up to 50 pF at f = 1 MHz; VR = 0 V.
