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Nexperia USA Inc. BZX384-C5V6-QX
- Part No.:
- BZX384-C5V6-QX
- Manufacturer:
- Nexperia USA Inc.
- Category:
- Single Zener Diodes
- Package:
- SC-76, SOD-323
- Datasheet:
-
BZX384-C5V6-QX.pdf
- Description:
- DIODE ZENER 5.6V 300MW SOD323
- Quantity:
- Payment:
- Shipping:
Inventory:8,693
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Product details
Overview
BZX384-C5V6-Q from Nexperia is a ±5 % tolerance Zener voltage regulator diode in SOD323 (SC-76) package, rated for 5.6 V nominal breakdown at 5 mA, with 400 Ω max differential resistance, 40 μA max reverse current at 4.0 V, and AEC-Q101 qualification for automotive power rail stabilization.
For engineers reviewing the BZX384-C5V6-Q datasheet, BZX384-C5V6-Q pinout, BZX384-C5V6-Q application, or BZX384-C5V6-Q equivalent, this device serves as a precision low-power shunt reference in ECU voltage monitoring, sensor biasing, and overvoltage clamping circuits where ±5 % tolerance and 300 mW dissipation are acceptable.
Technical Context
This Zener diode operates in reverse-biased breakdown mode to maintain stable voltage across its terminals under varying load and supply conditions. It delivers regulated output using avalanche or Zener mechanisms depending on voltage level - at 5.6 V, it exhibits mixed-mode behavior with temperature coefficient of −2.0 mV/K at 5 mA.
Designed for surface-mount use on FR4 PCBs with single-sided copper, it features thermal resistance of 415 K/W (junction-to-ambient) and 110 K/W (junction-to-solder point), enabling reliable operation up to 150 °C junction temperature and supporting non-repetitive 40 W surge pulses (100 μs).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Breakdown Voltage (VZ) | 5.20 V to 6.00 V at IZ = 5 mA - defines usable regulation window for 5.6 V nominal design |
| Differential Resistance (rdif) | ≤400 Ω - limits output voltage variation under load current changes |
| Reverse Current (IR) | ≤40 μA at VR = 4.0 V - ensures low leakage before breakdown onset |
| Total Power Dissipation (Ptot) | 300 mW at Tamb ≤ 25 °C - sets maximum continuous DC power handling on standard PCB |
| Non-repetitive Peak Power (PZSM) | 40 W for 100 μs - supports transient overvoltage suppression without failure |
| Junction Temperature (Tj) | −65 °C to +150 °C - enables deployment in under-hood automotive environments |
| AEC-Q101 Qualified | Yes - validated for automotive-grade reliability per stress test qualification standard |
Pinout & Package
SOD323 (SC-76) plastic surface-mounted package with 2 leads; cathode marked by bar on top surface.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | Cathode (K) | Connected to regulated output node; polarity must be observed for correct shunt operation |
| 2 | Anode (A) | Connected to ground or lower-potential reference; completes reverse-bias path |
Key Features
| Feature | Design Value |
|---|---|
| Automotive qualification | AEC-Q101 compliant - suitable for engine control units and body electronics without derating |
| Tolerance grade | ±5 % (C-series) - balances cost and accuracy for non-critical regulation tasks |
| Thermal performance | Rth(j-sp) = 110 K/W - enables effective heat transfer via cathode solder joint |
| Surge robustness | IZSM = 6.0 A peak - withstands ISO 7637-2 pulse 1/2a/5a transients in 12 V systems |
| Low capacitance | Cd = 300 pF at 1 MHz, 0 V - minimizes high-frequency loading in signal-path references |
Applications
| Engine Control Unit (ECU) Reference | Automotive Sensor Biasing |
|---|---|
Use Scenario: Providing stable 5.6 V reference for analog front-end comparators in diesel ECU power management. IC Role / Device Role / Timing Role: Shunt voltage reference maintaining rail integrity during battery voltage dips and load dump events. Use Value: Enables accurate ADC sampling despite ±15 % supply variation, leveraging 40 W surge rating for transient immunity. |
Use Scenario: Biasing pressure and temperature sensors in HVAC control modules. IC Role / Device Role / Timing Role: Low-leakage Zener source ensuring consistent sensor excitation voltage across −40 °C to +125 °C. Use Value: 40 μA max reverse current at 4.0 V prevents sensor offset drift; AEC-Q101 ensures long-term stability in cabin environment. |
| Infotainment System Clamping | Body Control Module (BCM) Protection |
Use Scenario: Clamping 5 V logic rail against ESD and load dump in head unit USB interface circuitry. IC Role / Device Role / Timing Role: Fast-response overvoltage clamp absorbing 15 kV HBM ESD pulses per IEC 61000-4-2. Use Value: 100 μs surge capability and 415 K/W thermal resistance prevent thermal runaway during repeated transients. |
Use Scenario: Regulating auxiliary 5.6 V supply for door module microcontrollers and LED drivers. IC Role / Device Role / Timing Role: Low-power shunt regulator stabilizing LDO input under alternator ripple conditions. Use Value: 300 mW Ptot and SOD323 footprint support compact, thermally efficient layout in space-constrained BCM PCBs. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar Zener regulation applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| BZX384-B5V6-Q | ±2 % tolerance (vs. ±5 %); 480 Ω max rdif; same package and surge rating | Higher accuracy required for feedback loops in switching regulators | Select when tighter regulation stability outweighs cost sensitivity |
| MMSZ5232B-TP | ±5 % tolerance; 350 mW Ptot; SOD-123 package; no AEC-Q101 certification | Industrial consumer-grade designs without automotive qualification mandate | Choose for cost-driven non-automotive applications where qualification is not required |
Compared with BZX384-B5V6-Q, this part trades regulation accuracy for lower cost and broader tolerance margin; versus MMSZ5232B-TP, it adds automotive qualification and superior thermal resistance but requires SOD323 layout adaptation.
Availability
BZX384-C5V6-Q is available at Aetrix Electronics and suitable for automotive ECU reference design, sensor biasing circuits, infotainment rail clamping, and body control module protection requiring stable component supply with AEC-Q101 assurance.
Supply support for BZX384-C5V6-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 leading global semiconductor manufacturer specializing in high-performance, high-reliability discrete and logic devices, with core expertise in automotive-qualified components.
The BZX384-Q series belongs to Nexperia's automotive Zener diode product line, engineered specifically for voltage regulation and transient protection in harsh-temperature vehicle subsystems.
FAQ
What is the maximum continuous forward current for BZX384-C5V6-Q?
The device is not intended for continuous forward conduction; its absolute maximum forward current is 250 mA per limiting values table, but typical operation occurs in reverse breakdown. Forward voltage is specified at 0.9 V (IF = 10 mA) and 1.1 V (IF = 100 mA), with pulse testing conditions applied.
Can BZX384-C5V6-Q replace a 5.1 V Zener in an existing design?
No - its 5.2–6.0 V breakdown range centers at 5.6 V and does not overlap the 4.85–5.35 V range of a ±5 % 5.1 V Zener. Substituting would shift regulation point by >5 %, potentially causing comparator mis-triggering or LDO instability in feedback paths.
How does the −2.0 mV/K temperature coefficient affect regulation accuracy?
At 5.6 V and 5 mA, a −2.0 mV/K coefficient means output voltage decreases by 2 mV per degree Celsius rise. Over a −40 °C to +125 °C range, this introduces ±330 mV drift - acceptable for non-precision biasing but insufficient for high-accuracy references requiring <±50 mV variation.
Is the SOD323 package compatible with standard reflow profiles?
Yes - Nexperia specifies compatibility with JEDEC J-STD-020D reflow profiles. The recommended footprint (Fig. 12) uses 0.5 mm wide solder lands with 0.6 mm spacing; peak temperature must not exceed 260 °C for ≤30 seconds to avoid package damage or delamination.
BZX384-C5V6-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):
- 5.6 V
- Tolerance:
- ±5%
- Power - Max:
- 300 mW
- Impedance (Max) (Zzt):
- 40 Ohms
- Current - Reverse Leakage @ Vr:
- 1 µA @ 2 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-C5V6-QX FAQ
1.How can I place an order for BZX384-C5V6-QX through Aetrix?
Please submit a Request for Quotation (RFQ) for BZX384-C5V6-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-C5V6-QX reliable?
The price and inventory of BZX384-C5V6-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-C5V6-QX is usually 5 days.
3.What payment methods are accepted for BZX384-C5V6-QX?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for BZX384-C5V6-QX transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for BZX384-C5V6-QX?
BZX384-C5V6-QX orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your BZX384-C5V6-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-C5V6-QX?
For technical support, including BZX384-C5V6-QX datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your BZX384-C5V6-QX requirements.
6.How does Aetrix verify that BZX384-C5V6-QX is sourced from the original manufacturer or authorized distributors?
All BZX384-C5V6-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-C5V6-QX meets industry standards.
7.What is the process for return or replacement of BZX384-C5V6-QX?
All BZX384-C5V6-QX units undergo pre-shipment inspection (PSI). If there is an issue with BZX384-C5V6-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-C5V6-QX part is unused and in its original packaging.
Return procedure for BZX384-C5V6-QX:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
BZX384-C5V6-QX Tags
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MM5Z5V1ST1G
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