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Nexperia USA Inc. BZX384-C6V2-QX
- Part No.:
- BZX384-C6V2-QX
- Manufacturer:
- Nexperia USA Inc.
- Category:
- Single Zener Diodes
- Package:
- SC-76, SOD-323
- Datasheet:
-
BZX384-C6V2-QX.pdf
- Description:
- DIODE ZENER 6.2V 300MW SOD323
- Quantity:
- Payment:
- Shipping:
Inventory:4,850
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Product details
Overview
BZX384-C6V2-Q from Nexperia is a ±5 % tolerance Zener voltage regulator diode in SOD323 (SC-76) package, rated for 6.2 V nominal breakdown at 5 mA, with 150 Ω max differential resistance, 3 μA max reverse current at 4.96 V, and AEC-Q101 qualification for automotive power rail stabilization.
For engineers reviewing the BZX384-C6V2-Q datasheet, BZX384-C6V2-Q pinout, BZX384-C6V2-Q application, or BZX384-C6V2-Q equivalent, this page delivers verified Zener voltage, thermal resistance, surge capability, and automotive-grade reliability data required for ECU voltage reference, sensor biasing, and overvoltage clamp design.
Technical Context
This device operates as a two-terminal shunt voltage reference, maintaining stable output by conducting reverse current above its specified Zener voltage (6.2 V ±5 %). It exhibits a positive temperature coefficient of +0.4 mV/K at IZ = 5 mA, enabling predictable drift compensation in temperature-sensitive circuits.
Designed for low-power regulation, it supports continuous dissipation up to 300 mW at Tamb ≤ 25 °C and withstands non-repetitive peak reverse power surges of 40 W (tp = 100 μs), making it suitable for transient suppression in 12 V automotive subsystems.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Zener Voltage VZ | 5.80 V to 6.60 V at IZ = 5 mA - defines usable regulation window for 6.2 V nominal rail |
| Differential Resistance rdif | ≤150 Ω - ensures <15 mV output shift per 1 mA load change near regulation point |
| Reverse Current IR | ≤3 μA at VR = 4.96 V - guarantees minimal leakage below knee voltage in standby mode |
| Forward Voltage VF | ≤0.9 V at IF = 10 mA - enables use as polarity protection diode in series configuration |
| Thermal Resistance Rth(j-a) | 415 K/W - limits junction rise to ~125 °C under full 300 mW dissipation in free air |
| Non-repetitive Peak Power | 40 W (tp = 100 μs) - clamps ISO 7637-2 pulse 5a transients without failure |
| AEC-Q101 Qualified | Yes - validated for automotive under-hood applications per stress test standard |
Pinout & Package
Two-terminal SOD323 (SC-76) surface-mount plastic package with cathode marked by bar on top surface; compact 1.8 mm × 1.35 mm footprint optimized for high-density PCB layouts.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (K) | Cathode | Connected to regulated output node; reverse-biased during Zener operation |
| 2 (A) | Anode | Connected to ground or lower-potential rail; completes shunt current path |
Key Features
| Feature | Design Value |
|---|---|
| Automotive qualification | AEC-Q101 compliant - eliminates requalification effort for Tier 1 ECU designs |
| Surge robustness | 40 W non-repetitive peak power - absorbs load-dump energy without parametric shift |
| Tolerance grade | ±5 % (C-series) - balances cost and precision for non-critical biasing functions |
| Thermal performance | Rth(j-sp) = 110 K/W - enables >200 mW sustained dissipation when soldered to copper pour |
| Low leakage | IR ≤ 3 μA at 80 % VZ - minimizes quiescent current in battery-powered modules |
Applications
| Engine Control Unit (ECU) Reference | Automotive Sensor Biasing |
|---|---|
Use Scenario: Providing stable 6.2 V reference for analog-to-digital converter (ADC) input scaling in engine management systems. IC Role / Device Role / Timing Role: Shunt voltage reference establishing precise measurement baseline for throttle position and oxygen sensor signals. Use Value: Maintains ADC accuracy within ±0.5 % over -40 °C to +125 °C ambient due to known +0.4 mV/K TC and low rdif. |
Use Scenario: Supplying bias voltage to piezoresistive pressure sensors in brake fluid reservoirs. IC Role / Device Role / Timing Role: Low-leakage Zener source delivering regulated excitation to sensor Wheatstone bridge. Use Value: Enables <3 μA standby current draw while sustaining 6.2 V ±5 % across 10 kΩ sensor load. |
| Infotainment System Clamp | Body Control Module (BCM) Protection |
Use Scenario: Clamping 12 V supply rail against ISO 7637-2 pulse 5a transients in head unit power input stage. IC Role / Device Role / Timing Role: Transient voltage suppressor absorbing 40 W surges for <100 μs without degradation. Use Value: Prevents microcontroller brownout during load dump events while occupying <2.5 mm² PCB area. |
Use Scenario: Protecting LIN bus transceiver VCC pin from overvoltage in door module power distribution. IC Role / Device Role / Timing Role: Overvoltage clamp limiting supply to 6.6 V maximum during fault conditions. Use Value: Guarantees transceiver survival at 150 °C junction temperature during sustained 300 mW dissipation. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar Zener regulation applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| BZX384-B6V2-Q | ±2 % tolerance (vs. ±5 %); 100 Ω max rdif (vs. 150 Ω) | Higher precision needed for ADC reference; tighter thermal drift control | Select when regulation stability <±10 mV is required across temperature and current |
| MMSZ5232B-TP | ±5 % tolerance; 6.2 V nominal; 500 mW Ptot; SOD-123 package | Larger footprint; higher power handling but no AEC-Q101 qualification | Choose only for non-automotive industrial use where 500 mW margin justifies extra board space |
Compared with BZX384-B6V2-Q, this C-grade part trades 10 mV regulation tightness for lower cost and sufficient stability in sensor biasing; versus MMSZ5232B-TP, it offers automotive qualification and smaller SOD323 size at the expense of 200 mW lower power rating.
Availability
BZX384-C6V2-Q is available at Aetrix Electronics and suitable for automotive ECU reference, sensor biasing, infotainment clamping, and BCM overvoltage protection requiring stable component supply across production lifecycles.
Supply support for BZX384-C6V2-Q includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Nexperia is a global semiconductor expert focused on high-volume, high-reliability discrete and logic devices, with leadership in automotive-qualified components and advanced packaging.
The BZX384-Q series targets automotive voltage regulation needs, delivering AEC-Q101-compliant Zener diodes in miniature SOD323 packages for space-constrained, thermally demanding environments.
FAQ
What is the maximum continuous power dissipation for BZX384-C6V2-Q?
The maximum continuous total power dissipation is 300 mW at ambient temperature ≤25 °C on an FR4 PCB with single-sided copper and standard footprint. Derating is required above 25 °C at 2.4 mW/°C based on Rth(j-a) = 415 K/W.
Is BZX384-C6V2-Q suitable for use in automotive under-hood applications?
Yes - it is fully qualified to AEC-Q101 for discrete semiconductors, tested for temperature cycling, humidity, mechanical shock, and high-temperature operating life, making it approved for engine bay and transmission control module use.
How does the temperature coefficient affect regulation accuracy over temperature?
At IZ = 5 mA, the temperature coefficient is +0.4 mV/K, meaning output voltage increases by 0.4 mV per degree Celsius rise. Over -40 °C to +125 °C, this results in a total shift of +66 mV (≈+1.06 % of 6.2 V), which is within the ±5 % tolerance band.
Can BZX384-C6V2-Q be used as a replacement for older BZX384-C6V2 variants?
Yes - the -Q suffix denotes enhanced automotive qualification and consistent marking (T1 code), with identical electrical specs and SOD323 package. No layout or schematic changes are needed for drop-in replacement in legacy designs.
BZX384-C6V2-QX Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Nexperia USA Inc.
- Series:
- BZX384-Q
- Package/Case:
- SC-76, SOD-323
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Voltage - Zener (Nom) (Vz):
- 6.2 V
- Tolerance:
- ±5%
- Power - Max:
- 300 mW
- Impedance (Max) (Zzt):
- 10 Ohms
- Current - Reverse Leakage @ Vr:
- 3 µA @ 4 V
- Voltage - Forward (Vf) (Max) @ If:
- 1.1 V @ 100 mA
- Operating Temperature:
- 150°C (TJ)
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOD-323
BZX384-C6V2-QX FAQ
1.How can I place an order for BZX384-C6V2-QX through Aetrix?
Please submit a Request for Quotation (RFQ) for BZX384-C6V2-QX on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for BZX384-C6V2-QX reliable?
The price and inventory of BZX384-C6V2-QX are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for BZX384-C6V2-QX is usually 5 days.
3.What payment methods are accepted for BZX384-C6V2-QX?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for BZX384-C6V2-QX transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for BZX384-C6V2-QX?
BZX384-C6V2-QX orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your BZX384-C6V2-QX order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for BZX384-C6V2-QX?
For technical support, including BZX384-C6V2-QX datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your BZX384-C6V2-QX requirements.
6.How does Aetrix verify that BZX384-C6V2-QX is sourced from the original manufacturer or authorized distributors?
All BZX384-C6V2-QX products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that BZX384-C6V2-QX meets industry standards.
7.What is the process for return or replacement of BZX384-C6V2-QX?
All BZX384-C6V2-QX units undergo pre-shipment inspection (PSI). If there is an issue with BZX384-C6V2-QX, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The BZX384-C6V2-QX part is unused and in its original packaging.
Return procedure for BZX384-C6V2-QX:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
BZX384-C6V2-QX Tags
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