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Taiwan Semiconductor General Purpose 18 V 1 W Surface Mount Zener Diode 2-Pin SOD-123W BZD27C18PWH
Specifications
| Country of Origin | India |
|---|---|
| Brand | Taiwan Semiconductor |
| Height | 1.2mm |
| Length | 3.5mm |
| Model | BZD27C18PWH |
| Mount Type | Surface |
| Series | BZD27C |
| Maximum Operating Temperature | 175°C |
| Package Type | SOD-123W |
| Minimum Operating Temperature | -55°C |
| Pin Count | 2 |
| Number of Elements per Chip | 1 |
| Automotive Standard | AEC-Q101 |
| Maximum Power Dissipation Pd | 1W |
| Diode Configuration | Single |
| Test Current It | 50mA |
| Maximum Reverse Leakage Current | 1μA |
| Nominal Zener Voltage Vz | 18V |
| Zener Type | General Purpose |
| Maximum Zener Impedance | 10Ω |
Key Features
- The diode features a nominal Zener voltage of 18 V.
- It has a maximum power dissipation of 1 watt for stable operation.
- The package type SOD-123W ensures low profile surface mounting.
- The diode exhibits low reverse leakage current of 1 microampere for efficiency.
- It operates within a temperature range from -55°C to 175°C.
- The device complies with industry standards including RoHS and AEC-Q101.
- The test current is rated at 50 mA, suitable for general purpose applications.
- Maximum Zener impedance is 10 ohms for precise voltage control.
Product Description
Taiwan Semiconductor BZD27C18PWH is a general purpose Zener diode designed for voltage regulation and protection circuits. It is housed in a compact 2-pin SOD-123W surface mount package, making it ideal for electronic circuit board applications requiring space efficiency and reliability.
This Zener diode has a nominal voltage rating of 18 volts and can dissipate up to 1 watt of power. It maintains a low reverse leakage current of only 1 microampere, ensuring minimal loss in the circuit. The maximum Zener impedance of 10 ohms supports accurate voltage clamping performance.
The device supports a broad operating temperature range from -55°C to 175°C, allowing it to function reliably in harsh automotive and industrial environments. It conforms to strict industry standards such as AEC-Q101 automotive qualification, JESD 201 Class 2, and moisture sensitivity level 1, as well as RoHS compliance and halogen-free requirements according to IEC 61249-2-21.
Applications for this Zener diode include voltage regulation, reference voltage generation, and protection circuits against voltage surges or spikes. Its low-profile packaging and robust specifications make it suitable for industrial, automotive, HVAC, manufacturing, and laboratory electronic circuit designs.
The diode configuration is single with 1 element per chip. It features a test current of 50 milliamps for standard testing. Pin count is 2 with a length of 3.5 mm and height of 1.2 mm, facilitating compact PCB layouts.
This product is an essential component for engineers and designers who require dependable Zener diode performance in compact devices and automotive grade applications. Environmentally friendly design and multiple certifications ensure long-term reliability and compliance.
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Frequently Asked Questions
The nominal Zener voltage of this diode is 18 volts.
It has a maximum power dissipation of 1 watt for stable operation.
The diode is housed in a SOD-123W surface mount package, which ensures low profile mounting.
It operates within a temperature range from -55°C to 175°C.
The test current is rated at 50 milliamps, suitable for general purpose applications.
This model features a pin count of 2, facilitating compact PCB layouts.
The maximum Zener impedance is 10 ohms, supporting precise voltage control.
It complies with the AEC-Q101 automotive standard, ensuring suitability for automotive applications.
The diode configuration is single, with 1 element per chip.
Yes, this device complies with RoHS standards and is halogen-free according to IEC 61249-2-21.
It is suitable for voltage regulation, reference voltage generation, and protection circuits against voltage surges or spikes.
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