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Product Detailed Parameters
- Description：DIODE ZENER ARRAY 20V TO-236AB
- Series：BZB84-Q
- Mfr：Nexperia USA Inc.
- Package：Tape & Reel (TR)
- Configuration：1 Pair Common Anode
- Voltage - Zener (Nom) (Vz)：20 V
- Tolerance：±2%
- Power - Max：300 mW
- Impedance (Max) (Zzt)：55 Ohms
- Current - Reverse Leakage @ Vr：50 nA @ 14 V
- Operating Temperature：150°C (TJ)
- Grade：Automotive
- Qualification：AEC-Q101
- Mounting Type：Surface Mount
- pa_package-case：
- Supplier Device Package：TO-236AB
- Voltage - Forward (Vf) (Max) @ If：900 mV @ 10 mA
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Overview
The Nexperia BZB84-B20-QR is a dual voltage regulator diode in the BZB84-Q series, housed in an SOT-23 surface-mount package. It features a dual common anode configuration with two independent cathodes. The device provides a nominal Zener voltage of 20 V with a tolerance of ±2%. Key electrical parameters include a total power dissipation of 300 mW and a non-repetitive peak reverse power dissipation of 40 W per diode. The forward voltage is limited to 0.9 V at 10 mA. Operating temperatures range from -55 °C to +150 °C.
Feature Summary
- Dual common anode configuration for compact circuit design
- Qualified according to AEC-Q101 for automotive applications
- High non-repetitive peak reverse power dissipation capability
Applications
- General regulation functions
- Automotive electronic circuits
Procurement Notes
Verify the specific ordering suffix against official Nexperia documentation to confirm packaging details such as reel or cut tape specifications. Ensure the component meets the required AEC-Q101 qualification standards for your target application environment before finalizing procurement decisions.
Selection Notes
Select this component when a dual Zener diode with a common anode is required in a small SOT-23 package. The ±2% tolerance series offers tighter voltage accuracy compared to the ±5% option. Confirm that the 300 mW total power dissipation rating is sufficient for the intended thermal conditions.
Part Context
This part belongs to the Nexperia BZB84-Q series, which comprises 74 types with nominal working voltages ranging from 2.4 V to 75 V. The series is designed for high-density circuit designs and offers both B (±2%) and C (±5%) tolerance options within the same SOT-23 footprint.
Replacement Considerations
Direct substitutes within the same series include BZB84-C20-QR for a similar 20 V dual Zener with ±5% tolerance. Other BZB84-Q variants may be considered if different voltage ratings are acceptable.
FAQ
What is the pin configuration for the BZB84-B20-QR?
Pin 1 is Cathode 1 (K1), Pin 2 is Cathode 2 (K2), and Pin 3 is the Common Anode (CA).
Is the BZB84-B20-QR suitable for automotive use?
Yes, the device is qualified according to the AEC-Q101 standard and is recommended for use in automotive applications.
What is the maximum junction temperature for this component?
The maximum junction temperature (Tj) is 150 °C.
