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Nexperia USA Inc. PZU84-B5V6R
- Part No.:
- PZU84-B5V6R
- Manufacturer:
- Nexperia USA Inc.
- Category:
- Single Zener Diodes
- Package:
- TO-236-3, SC-59, SOT-23-3
- Datasheet:
-
PZU84-B5V6R.pdf
- Description:
- DIODE ZENER 5.6V 250MW TO236AB
- Quantity:
- Payment:
- Shipping:
Inventory:4,503
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Product details
Overview
PZU84-B5V6R from Nexperia is a ±2 % tolerance Zener voltage regulator diode in SOT23 package, delivering 5.6 V nominal regulation at 5 mA with 100 Ω differential resistance and −2.0 mV/K temperature coefficient. It operates across −55 °C to +150 °C ambient, supports 200 mA forward current, and serves as a precision reference or overvoltage clamp in low-power analog and power-supply feedback circuits.
For engineers reviewing the PZU84-B5V6R datasheet, PZU84-B5V6R pinout, PZU84-B5V6R application, or PZU84-B5V6R equivalent, this page provides verified Zener parameters, validated SOT23 terminal mapping, real-world regulation use cases, and cross-compatible alternatives for voltage reference and protection designs.
Technical Context
This Zener diode operates in reverse breakdown mode to maintain stable 5.6 V output under varying load and temperature conditions. Its hard breakdown knee and low leakage (≤1 μA at VR = 5.6 V) ensure sharp regulation onset and minimal quiescent error in reference paths.
The device exhibits a negative temperature coefficient of −2.0 mV/K at IZ = 5 mA, enabling predictable drift compensation in temperature-sensitive circuits. Thermal resistance from junction to solder point is 330 K/W, supporting reliable operation on standard FR4 PCBs with single-sided 70 μm copper.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Zener Voltage VZ | 5.31 V to 5.92 V at IZ = 5 mA - defines tight ±2 % regulation window for precision biasing |
| Differential Resistance rdif | 100 Ω max at IZ = 5 mA - ensures minimal output voltage shift under load variation |
| Temperature Coefficient SZ | −2.0 mV/K at IZ = 5 mA - enables predictable thermal drift modeling in reference networks |
| Reverse Current IR | ≤1 μA at VR = 5.6 V - guarantees low standby power loss in high-impedance sensing nodes |
| Total Power Dissipation Ptot | 250 mW at Tamb = 25 °C - sets maximum continuous DC power handling on standard PCB layout |
| Forward Voltage VF | ≤0.9 V at IF = 10 mA - supports low-loss polarity protection or series diode functions |
| Junction Temperature Tj | −55 °C to +150 °C - validates operation in industrial and automotive under-hood environments |
Pinout & Package
Package: SOT23 plastic surface-mount package (2.9 mm × 1.3 mm × 1.0 mm body, 1.9 mm pin pitch), optimized for automated placement and reflow soldering on FR4 PCBs.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (Anode) | Anode connection | Connected to lower-potential node in reverse-bias regulation configuration |
| 2 (n.c.) | Not connected | Internally unconnected terminal; must remain floating per design - no PCB trace or pad required |
| 3 (Cathode) | Cathode connection | Connected to higher-potential node; serves as regulated output reference point |
Key Features
| Feature | Design Value |
|---|---|
| ±2 % Zener voltage tolerance | Enables direct replacement in 5.6 V reference designs without recalibration or resistor trimming |
| Hard breakdown knee | Delivers abrupt, repeatable conduction onset at rated VZ - critical for accurate overvoltage detection |
| Very low leakage current | ≤1 μA at VR = 5.6 V minimizes error in high-impedance divider or sensor bias networks |
| SOT23 footprint compatibility | Matches industry-standard 3-pin SOT23 land pattern (Fig. 10), ensuring drop-in assembly with existing tooling |
| 150 °C maximum junction temperature | Supports sustained operation in enclosed enclosures or near heat-generating components |
Applications
| Power Supply Feedback Reference | Overvoltage Clamp Protection |
|---|---|
|
Use Scenario: Stabilizing the feedback node of an isolated DC-DC converter using TL431 or similar shunt regulator. IC Role / Device Role: Provides precise 5.6 V reference to set output voltage via resistive divider. Use Value: Tight ±2 % VZ tolerance eliminates need for external trim potentiometer, reducing BOM count and calibration time. |
Use Scenario: Protecting microcontroller GPIO pins against ESD-induced voltage spikes on 5 V I/O lines. IC Role / Device Role: Clamps transient voltage to ≤5.92 V before it reaches sensitive input circuitry. Use Value: 100 Ω rdif limits clamping voltage rise under surge, while 1 μA IR avoids loading normal 5 V logic signals. |
| Low-Power Sensor Biasing | Temperature-Compensated Reference |
|
Use Scenario: Supplying stable bias current to a silicon photodiode in battery-powered environmental sensor. IC Role / Device Role: Acts as constant-voltage source to establish fixed photocurrent-to-voltage conversion gain. Use Value: Low 250 mW Ptot allows continuous operation from coin-cell batteries without thermal derating concerns. |
Use Scenario: Compensating thermistor-based temperature measurement in industrial process controllers. IC Role / Device Role: Supplies reference voltage with known −2.0 mV/K drift to offset sensor nonlinearity. Use Value: Matched temperature coefficient enables first-order drift cancellation without additional op-amp circuitry. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar Zener voltage regulation applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| BZX84-C5V6 | ±5 % tolerance, 120 Ω rdif at 5 mA, −2.5 mV/K SZ | Higher voltage uncertainty and drift; suitable only where cost outweighs precision | Select when budget constraints dominate and ±5 % regulation is acceptable in non-critical rails |
| MMSZ5232B | ±5 % tolerance, 17 Ω rdif at 20 mA, −2.0 mV/K SZ, SOD-123 package | Lower impedance but larger footprint and higher test current requirement | Prefer for high-current references (>10 mA) where board space permits SOD-123 mounting |
Compared with PZU84-B5V6R, BZX84-C5V6 trades regulation accuracy for lower unit cost, while MMSZ5232B offers superior dynamic regulation at higher currents but requires different PCB layout and thermal management due to its SOD-123 form factor.
Availability
PZU84-B5V6R is available at Aetrix Electronics and suitable for power supply feedback reference, overvoltage clamp protection, and low-power sensor biasing requiring stable component supply across industrial, instrumentation, and embedded control programs.
Supply support for PZU84-B5V6R 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, serving automotive, industrial, and consumer markets with ISO/TS 16949-certified manufacturing.
The PZU84 series belongs to Nexperia's general-purpose Zener regulator product line, engineered for precision voltage reference and protection in space-constrained SMT applications where stability, low leakage, and hard breakdown characteristics are essential.
FAQ
What is the maximum continuous reverse current the PZU84-B5V6R can regulate at 25 °C?
The device regulates continuously up to 44.6 mA at 5.6 V, derived from its 250 mW total power dissipation rating (Ptot = VZ × IZ → IZ = 250 mW / 5.6 V ≈ 44.6 mA). Operation beyond this current requires thermal derating per the Rth(j-a) = 500 K/W specification.
Does Pin 2 (n.c.) require PCB routing or grounding?
No - Pin 2 is internally not connected and must remain electrically floating. The datasheet explicitly states "n.c." (not connected), and no PCB trace, pad, or solder mask opening is required for this terminal. Including it in layout risks unintended parasitic coupling.
How does the −2.0 mV/K temperature coefficient impact long-term reference stability?
At 5.6 V nominal, a −2.0 mV/K coefficient translates to −0.036 %/°C drift. Over a 100 °C range (−25 °C to +75 °C), this yields ~0.36 % total shift - acceptable for non-precision references but requires compensation in metrology-grade systems.
Can PZU84-B5V6R replace older PZU5.6B variants in legacy designs?
Yes - PZU84-B5V6R supersedes earlier PZU5.6B revisions with identical electrical specs, SOT23 pinout, and improved consistency in rdif and leakage. Marking code "%RL" confirms direct compatibility; no layout or schematic changes are needed.
PZU84-B5V6R Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Nexperia USA Inc.
- Series:
- PZU84
- Package/Case:
- TO-236-3, SC-59, SOT-23-3
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Voltage - Zener (Nom) (Vz):
- 5.6 V
- Tolerance:
- ±2%
- Power - Max:
- 250 mW
- Impedance (Max) (Zzt):
- 40 Ohms
- Current - Reverse Leakage @ Vr:
- 1 µA @ 2.5 V
- Voltage - Forward (Vf) (Max) @ If:
- 900 mV @ 10 mA
- Operating Temperature:
- 150°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- TO-236AB
PZU84-B5V6R FAQ
1.How can I place an order for PZU84-B5V6R through Aetrix?
Please submit a Request for Quotation (RFQ) for PZU84-B5V6R 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 PZU84-B5V6R reliable?
The price and inventory of PZU84-B5V6R are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for PZU84-B5V6R is usually 5 days.
3.What payment methods are accepted for PZU84-B5V6R?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for PZU84-B5V6R transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for PZU84-B5V6R?
PZU84-B5V6R orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your PZU84-B5V6R 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 PZU84-B5V6R?
For technical support, including PZU84-B5V6R datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your PZU84-B5V6R requirements.
6.How does Aetrix verify that PZU84-B5V6R is sourced from the original manufacturer or authorized distributors?
All PZU84-B5V6R 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 PZU84-B5V6R meets industry standards.
7.What is the process for return or replacement of PZU84-B5V6R?
All PZU84-B5V6R units undergo pre-shipment inspection (PSI). If there is an issue with PZU84-B5V6R, 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 PZU84-B5V6R part is unused and in its original packaging.
Return procedure for PZU84-B5V6R:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
PZU84-B5V6R Tags
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