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Nexperia USA Inc. BZX84-C5V6/DG/B3,2
- Part No.:
- BZX84-C5V6/DG/B3,2
- Manufacturer:
- Nexperia USA Inc.
- Category:
- Single Zener Diodes
- Package:
- TO-236-3, SC-59, SOT-23-3
- Datasheet:
-
BZX84-C5V6/DG/B3,2.pdf
- Description:
- DIODE ZENER 5.6V 250MW TO236AB
- Quantity:
- Payment:
- Shipping:
Inventory:3,075
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Product details
Overview
BZX84-C5V6/DG/B3,2 from Nexperia is a 5.6 V ±5 % tolerance Zener voltage regulator diode in SOT23 (TO-236AB) package, rated for 250 mW total power dissipation and 40 W non-repetitive peak reverse power, designed for precision low-power voltage reference and overvoltage protection in signal conditioning and power rail stabilization circuits.
For engineers reviewing the BZX84-C5V6/DG/B3,2 datasheet, BZX84-C5V6/DG/B3,2 pinout, BZX84-C5V6/DG/B3,2 application, or BZX84-C5V6/DG/B3,2 equivalent, this part serves as a surface-mount Zener solution with verified 5.2–6.0 V breakdown range, 400 Ω max differential resistance at 5 mA, and 1 µA reverse current at 3.36 V, critical for stable biasing in analog sensor interfaces and microcontroller reset supervision.
Technical Context
This Zener diode operates in reverse-biased breakdown mode to maintain a stable reference voltage across its cathode-anode terminals under varying load and temperature conditions. Its ±5 % tolerance (BZX84-C series), 5.6 V nominal Zener voltage at 5 mA test current, and -2.0 to +2.5 mV/K temperature coefficient define its regulation accuracy envelope.
Thermal performance is characterized by 500 K/W junction-to-ambient thermal resistance on FR4 PCB and 330 K/W junction-to-solder-point resistance, enabling reliable operation up to 150 °C junction temperature. The device supports pulse surge handling up to 40 W for 100 µs with Tj = 25 °C pre-surge baseline.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Zener Voltage (VZ) | 5.2 V to 6.0 V at IZ = 5 mA - defines usable regulation window for 5 V rail clamping or reference generation |
| Differential Resistance (rdif) | ≤400 Ω at IZ = 5 mA - determines output impedance and load regulation sensitivity |
| Reverse Current (IR) | ≤1 µA at VR = 3.36 V - ensures minimal leakage below knee voltage in standby mode |
| Power Dissipation (Ptot) | 250 mW at Tamb ≤ 25 °C - sets continuous DC power limit on standard FR4 PCB |
| Peak Pulse Power (PZSM) | 40 W for tp = 100 µs - enables transient overvoltage suppression without failure |
| Forward Voltage (VF) | ≤0.9 V at IF = 10 mA - confirms low-loss forward conduction for bidirectional clamp configurations |
| Junction Temperature (Tj) | 150 °C maximum - constrains thermal design margin in enclosed or high-ambient environments |
Pinout & Package
Package: SOT23 (TO-236AB), 3-lead surface-mount plastic package with 1.9 mm × 1.1 mm body, 0.9 mm height, and standard reflow footprint per Figure 12.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | Anode (A) | Connected to lower-potential node in reverse-bias configuration; carries forward current during fault conditions |
| 2 | Not Connected (n.c.) | Internally unconnected lead - must remain floating; no PCB trace or solder joint required |
| 3 | Cathode (K) | Connected to higher-potential node; primary terminal for Zener breakdown voltage sensing and heat sinking |
Key Features
| Feature | Design Value |
|---|---|
| ±5 % Zener voltage tolerance | Enables cost-effective regulation where tight voltage accuracy is not required, e.g., non-critical supply monitoring |
| 250 mW steady-state power rating | Supports continuous operation in low-current bias networks (<10 mA) without heatsinking on standard PCB |
| 40 W non-repetitive surge capability | Provides ESD and transient immunity per IEC 61000-4-2 Level 4 when used in input protection circuits |
| SOT23 footprint compatibility | Allows drop-in replacement in legacy designs using industry-standard 0.95 mm pitch, 3-pin SMD layout |
| 150 °C maximum junction temperature | Permits deployment in industrial control enclosures with ambient temperatures up to +85 °C |
Applications
| Power Supply Rail Clamping | Microcontroller Reset Supervision |
|---|---|
|
Use Scenario: Clamp 5 V logic rail against overvoltage transients induced by switching regulators or hot-plug events. IC Role / Device Role / Timing Role: Zener diode connected cathode-to-rail, anode-to-ground, operating in reverse breakdown to shunt excess current. Use Value: Limits rail excursion to ≤6.0 V during 100 µs surges up to 40 W, preventing latch-up in downstream logic ICs. |
Use Scenario: Generate a stable reset threshold for an external supervisor IC monitoring a 5 V system supply. IC Role / Device Role / Timing Role: Provides precise 5.6 V reference to comparator input; reverse-biased with current-limiting resistor. Use Value: Delivers <1 µA leakage at 3.36 V, ensuring clean threshold detection without false resets during brown-out conditions. |
| Analog Sensor Biasing | Reference Voltage Generation |
|
Use Scenario: Bias a bridge-based pressure sensor requiring stable excitation voltage in battery-powered IoT nodes. IC Role / Device Role / Timing Role: Functions as shunt regulator across sensor excitation terminals, maintaining constant voltage despite battery discharge. Use Value: Maintains regulation within ±5 % over 10 µA–5 mA load range, supporting sensor full-scale output stability across 3.0–4.2 V battery voltage. |
Use Scenario: Generate a low-drift 5.6 V reference for ADC voltage scaling in portable medical instrumentation. IC Role / Device Role / Timing Role: Zener diode operated at fixed 5 mA current with low-ESR bypass capacitor; referenced to ground. Use Value: Achieves -2.0 to +2.5 mV/K temperature coefficient, limiting reference drift to ±12 mV over 0–70 °C operating range. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar Zener voltage regulation applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ON Semiconductor MMBZ5232BS | 5.6 V ±5 %, 225 mW Ptot, 300 Ω rdif - lower power rating and tighter differential resistance | Less suitable for 40 W surge handling; better for ultra-low-noise reference due to lower rdif | Select when lower dynamic impedance is prioritized over surge robustness |
| Vishay BZX84-C5V6-7-F | Identical 5.6 V ±5 %, 250 mW, SOT23 package - same electrical specs but different marking and tape/reel packaging | No functional difference; qualified for same use cases including automotive-grade variants (-Q suffix) | Select when dual-sourcing or long-term availability assurance is required across multiple franchises |
Compared with MMBZ5232BS, BZX84-C5V6/DG/B3,2 offers 11 % higher surge power headroom and identical tolerance, while versus BZX84-C5V6-7-F it provides equivalent regulation performance with Nexperia-specific process control and traceability documentation.
Availability
BZX84-C5V6/DG/B3,2 is available at Aetrix Electronics and suitable for power supply rail clamping, microcontroller reset supervision, analog sensor biasing, and reference voltage generation requiring stable component supply and consistent parametric performance across production batches.
Supply support for BZX84-C5V6/DG/B3,2 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, headquartered in Nijmegen, Netherlands, with manufacturing in Asia and Europe.
This part belongs to the BZX84 series of low-power Zener diodes engineered for cost-sensitive, space-constrained applications in consumer, industrial, and computing electronics where stable voltage reference and transient suppression are essential.
FAQ
What is the maximum continuous reverse current this Zener can handle at 25 °C ambient?
The device is rated for 200 mA maximum forward current, but in reverse-bias regulation mode, continuous current is limited by power dissipation. At 25 °C ambient and 5.6 V Zener voltage, the absolute maximum DC reverse current is 44.6 mA (250 mW ÷ 5.6 V), assuming no additional thermal derating from PCB layout or airflow.
Can Pin 2 be left unconnected on the PCB, or does it require grounding?
Pin 2 is explicitly marked "n.c." (not connected) in the official Nexperia datasheet and internal construction. It must remain electrically floating - no PCB trace, solder mask opening, or thermal pad should contact this terminal, as connection may compromise device reliability or cause parametric shift.
How does the temperature coefficient affect regulation accuracy over -40 °C to +85 °C?
With a specified SZ of -2.0 to +2.5 mV/K at IZ = 5 mA, the Zener voltage shifts by approximately -56 mV to +70 mV across a 125 K temperature span. This results in a total regulation band of 5.144 V to 6.070 V, remaining within the original ±5 % (5.2–6.0 V) specification at room temperature.
Is this part suitable for automotive applications per AEC-Q200?
No. Per Nexperia's Revision 7 datasheet (January 2023), the BZX84 series is explicitly designated as non-automotive qualified. Automotive alternatives are available under the BZX84-Q series (e.g., BZX84-C5V6-Q), which undergo extended temperature cycling, humidity testing, and failure analysis per AEC-Q200 Grade 3 requirements.
BZX84-C5V6/DG/B3,2 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Nexperia USA Inc.
- Series:
- -
- Package/Case:
- TO-236-3, SC-59, SOT-23-3
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Voltage - Zener (Nom) (Vz):
- 5.6 V
- Tolerance:
- ±5%
- Power - Max:
- 250 mW
- Impedance (Max) (Zzt):
- 40 Ohms
- Current - Reverse Leakage @ Vr:
- 1 µA @ 2 V
- Voltage - Forward (Vf) (Max) @ If:
- 900 mV @ 10 mA
- Operating Temperature:
- -65°C ~ 150°C (TJ)
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- TO-236AB
BZX84-C5V6/DG/B3,2 FAQ
1.How can I place an order for BZX84-C5V6/DG/B3,2 through Aetrix?
Please submit a Request for Quotation (RFQ) for BZX84-C5V6/DG/B3,2 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 BZX84-C5V6/DG/B3,2 reliable?
The price and inventory of BZX84-C5V6/DG/B3,2 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for BZX84-C5V6/DG/B3,2 is usually 5 days.
3.What payment methods are accepted for BZX84-C5V6/DG/B3,2?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for BZX84-C5V6/DG/B3,2 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for BZX84-C5V6/DG/B3,2?
BZX84-C5V6/DG/B3,2 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your BZX84-C5V6/DG/B3,2 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 BZX84-C5V6/DG/B3,2?
For technical support, including BZX84-C5V6/DG/B3,2 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your BZX84-C5V6/DG/B3,2 requirements.
6.How does Aetrix verify that BZX84-C5V6/DG/B3,2 is sourced from the original manufacturer or authorized distributors?
All BZX84-C5V6/DG/B3,2 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 BZX84-C5V6/DG/B3,2 meets industry standards.
7.What is the process for return or replacement of BZX84-C5V6/DG/B3,2?
All BZX84-C5V6/DG/B3,2 units undergo pre-shipment inspection (PSI). If there is an issue with BZX84-C5V6/DG/B3,2, 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 BZX84-C5V6/DG/B3,2 part is unused and in its original packaging.
Return procedure for BZX84-C5V6/DG/B3,2:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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