Overview
The BZX84-C18,235 is a low-power voltage regulator diode produced by Nexperia USA Inc. This component is part of the BZX84 series, which offers a range of zener diodes with various nominal working voltages. The BZX84-C18,235 is specifically designed for applications requiring a stable voltage regulation at 18V with a ±5% tolerance. It is packaged in a small SOT23 (SC-59, TO-236) surface mount package, making it suitable for compact and efficient circuit designs.
Key Specifications
| Attribute | Value |
|---|---|
| Power Dissipation (Ptot) | 250 mW |
| Forward (Drive) Current (IF) | 200 mA |
| Forward Voltage (VF) | 0.9 V |
| Reverse Current-Max (Ir) | 50 nA |
| Working Voltage-Nom (VZ) | 18 V |
| Package Style | SOT23 (SC-59, TO-236) |
| Mounting Method | Surface Mount |
| Operating Temperature | -65°C to +150°C |
| Non-repetitive Peak Reverse Power Dissipation (PZSM) | 40 W |
| Zener Impedance (ZZT) | 45 Ohms |
| Voltage Tolerance | ±5% |
| Qualification | AEC-Q101 |
Key Features
- Total power dissipation: max. 250 mW
- Three tolerance series: ±1%, ±2%, and approx. ±5%
- Working voltage range: nominal 2.4 to 75 V (E24 range)
- Non-repetitive peak reverse power dissipation: max. 40 W
- Lead-free and RoHS compliant
- AEC-Q101 qualified for automotive applications
- Small SOT23 package for compact designs
Applications
The BZX84-C18,235 is suitable for various general regulation functions, particularly in applications requiring stable voltage regulation. It is commonly used in:
- Voltage regulation circuits
- Overvoltage protection
- Automotive systems (due to AEC-Q101 qualification)
- Consumer electronics
- Industrial control systems
Q & A
- What is the nominal zener voltage of the BZX84-C18,235?
The nominal zener voltage is 18V with a ±5% tolerance.
- What is the maximum power dissipation of the BZX84-C18,235?
The maximum power dissipation is 250 mW.
- What is the package type of the BZX84-C18,235?
The package type is SOT23 (SC-59, TO-236).
- Is the BZX84-C18,235 RoHS compliant?
Yes, it is lead-free and RoHS compliant.
- What is the operating temperature range of the BZX84-C18,235?
The operating temperature range is -65°C to +150°C.
- What is the non-repetitive peak reverse power dissipation of the BZX84-C18,235?
The non-repetitive peak reverse power dissipation is 40 W.
- Is the BZX84-C18,235 qualified for automotive applications?
Yes, it is AEC-Q101 qualified.
- What is the forward voltage of the BZX84-C18,235?
The forward voltage is 0.9 V.
- What is the maximum reverse leakage current of the BZX84-C18,235?
The maximum reverse leakage current is 50 nA.
- What is the zener impedance of the BZX84-C18,235?
The zener impedance is 45 Ohms.
