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Nexperia USA Inc. PDZ3.6BZ
- Part No.:
- PDZ3.6BZ
- Manufacturer:
- Nexperia USA Inc.
- Category:
- Single Zener Diodes
- Package:
- SC-76, SOD-323
- Datasheet:
-
PDZ3.6BZ.pdf
- Description:
- DIODE ZENER 3.6V 400MW SOD323
- Quantity:
- Payment:
- Shipping:
Inventory:29,894
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Product details
Overview
PDZ3.6BZ from Nexperia is a single silicon Zener diode designed for low-power voltage regulation in compact SMD applications, with a nominal Zener voltage of 3.60 V to 3.85 V at 5 mA, ±2 % tolerance, 90 Ω maximum differential resistance at 5 mA, and 5 μA maximum reverse leakage at 1.0 V. It operates within −65 °C to +150 °C junction temperature range and delivers stable regulation in space-constrained consumer and industrial power rails.
For engineers reviewing the PDZ3.6BZ datasheet, PDZ3.6BZ pinout, PDZ3.6BZ application, or PDZ3.6BZ equivalent, this device is selected for precision low-voltage reference generation, overvoltage clamping in signal conditioning circuits, and bias stabilization in analog front-ends where tight voltage tolerance and low dynamic impedance at low currents are required.
Technical Context
This Zener diode functions as a two-terminal shunt voltage regulator, maintaining a stable reverse-biased breakdown voltage across its cathode–anode terminals when current exceeds the knee threshold (~0.5 mA). Its hard breakdown knee and low leakage (≤5 μA at VR = 1.0 V) enable reliable operation in low-current bias networks.
The device uses planar epitaxial construction with optimized doping profile to achieve consistent Zener behavior and low temperature coefficient (−2.4 mV/K at IZ = 5 mA), making it suitable for ambient-stable references in non-temperature-compensated circuits.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Zener Voltage (VZ) | 3.60 V to 3.85 V at IZ = 5 mA - defines regulated output voltage under standard test conditions |
| Differential Resistance (rdif) | ≤90 Ω at IZ = 5 mA - determines output voltage stability against load current variation |
| Reverse Leakage Current (IR) | ≤5 μA at VR = 1.0 V - ensures minimal quiescent power loss in standby regulation |
| Forward Voltage (VF) | ≤0.9 V at IF = 10 mA - supports use as forward-biased clamp or protection diode |
| Total Power Dissipation (Ptot) | 400 mW at Tamb ≤ 25 °C on FR4 PCB - sets maximum continuous power handling in standard layout |
| Thermal Resistance (Rth(j-a)) | 340 K/W - defines junction-to-ambient temperature rise per watt dissipated |
| Temperature Coefficient (SZ) | −2.4 mV/K at IZ = 5 mA - quantifies voltage drift per degree Celsius change in junction temperature |
Pinout & Package
PDZ3.6BZ is housed in a SOD323 (SC-76) surface-mount plastic package measuring 1.8 mm × 1.35 mm × 0.95 mm, with gull-wing leads and cathode indicated by a marking bar on the top surface.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (K) | Cathode | Connected to regulated output node; reverse-biased terminal during Zener operation |
| 2 (A) | Anode | Connected to ground or lower-potential rail; completes shunt regulation path |
Key Features
| Feature | Design Value |
|---|---|
| Low dynamic impedance at low current | 90 Ω max at 5 mA enables stable regulation even in micro-power bias networks |
| Hard breakdown knee | Sharp transition into conduction improves turn-on predictability in clamping applications |
| ±2 % voltage tolerance | Reduces need for post-production trimming in fixed-reference designs |
| SOD323 footprint compatibility | Enables high-density PCB layouts with standardized reflow soldering profiles |
| 150 °C maximum junction temperature | Supports operation in thermally demanding environments without derating below 100 °C ambient |
Applications
| Power Supply Rail Clamping | Low-Voltage Reference Generation |
|---|---|
|
Use Scenario: Protecting 3.3 V logic inputs from transient overvoltage events exceeding 4.0 V. IC Role / Device Role / Timing Role: Shunt clamping element placed between I/O line and ground to divert surge current. Use Value: 3.6 V nominal Zener voltage ensures clamping begins before damaging levels reach downstream CMOS inputs. |
Use Scenario: Providing a stable 3.6 V reference for ADC biasing in battery-powered sensor nodes. IC Role / Device Role / Timing Role: Passive voltage reference source for analog signal conditioning circuitry. Use Value: Low 5 μA leakage and −2.4 mV/K tempco maintain reference accuracy across −40 °C to +85 °C operating range. |
| Signal Level Translation | Microcontroller Reset Circuit |
|
Use Scenario: Translating 5 V UART signals down to 3.3 V logic levels using resistive divider + Zener clamp. IC Role / Device Role / Timing Role: Clamp diode limiting high-side voltage excursion while preserving signal swing. Use Value: Hard breakdown knee and 90 Ω rdif minimize distortion during fast edge transitions. |
Use Scenario: Generating a clean reset threshold for an ARM Cortex-M0+ MCU operating at 3.3 V. IC Role / Device Role / Timing Role: Voltage-sensing element in RC-based manual or power-fail reset generator. Use Value: Tight ±2 % tolerance ensures deterministic reset assertion at 3.6 V ±72 mV, avoiding marginal triggering. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar Zener regulation applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| BZX384-B3V6 | Same 3.6 V nominal Zener, but ±5 % tolerance and higher 100 Ω rdif at 5 mA | Less precise regulation; suitable only where tighter voltage control is not required | Select when cost sensitivity outweighs voltage accuracy needs and board space allows larger SOD-323 variant |
| MMSZ4685 | 3.6 V nominal, ±5 % tolerance, 100 Ω rdif, rated for 350 mW Ptot | Lower power rating limits use in sustained-clamp scenarios above 87.5 mA average current | Prefer for legacy designs already using MMSZ footprint; verify thermal margin on FR4 PCB |
Compared with BZX384-B3V6 and MMSZ4685, PDZ3.6BZ offers superior voltage accuracy (±2 % vs ±5 %), lower dynamic impedance (90 Ω vs ≥100 Ω), and higher power capability (400 mW vs ≤350 mW), making it optimal for precision low-current regulation where thermal headroom and stability are critical.
Availability
PDZ3.6BZ is available at Aetrix Electronics and suitable for power supply rail clamping, low-voltage reference generation, and microcontroller reset circuit design requiring stable component supply and guaranteed traceable sourcing.
Supply support for PDZ3.6BZ 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 specializing in high-volume, high-reliability discrete and logic devices, with manufacturing rooted in process excellence and automotive-grade quality systems.
PDZ3.6BZ belongs to the PDZ-B series of low-power Zener diodes engineered for general-purpose voltage regulation in consumer, industrial, and communication equipment where small size, tight tolerance, and low leakage are essential.
FAQ
What is the maximum continuous reverse current (IZ) that PDZ3.6BZ can safely handle?
PDZ3.6BZ does not specify a maximum continuous Zener current directly, but its 400 mW total power dissipation limit at 25 °C ambient implies a safe continuous IZ of approximately 111 mA (400 mW ÷ 3.6 V). Derating applies above 25 °C per the 340 K/W thermal resistance curve.
Can PDZ3.6BZ be used in series or parallel configurations for higher voltage or current handling?
No - PDZ3.6BZ is not characterized for series or parallel operation. Zener matching tolerances and thermal coupling variations cause uneven voltage sharing and potential thermal runaway. Use a single higher-voltage Zener or active regulation instead.
How does the −2.4 mV/K temperature coefficient affect performance in a 0 °C to 70 °C ambient environment?
Over a 70 °C span, the Zener voltage shifts by −168 mV (−2.4 mV/K × 70 K), resulting in a final VZ range of ~3.43 V to ~3.68 V. This must be accounted for in reference-critical applications; compensation is not built-in.
Is PDZ3.6BZ suitable for automotive applications?
No - PDZ3.6BZ is not AEC-Q200 qualified and lacks automotive-specific testing or qualification. Nexperia explicitly states non-automotive qualification in the legal disclaimers; use only in consumer, industrial, or communications equipment.
PDZ3.6BZ Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Nexperia USA Inc.
- Series:
- PDZ-B
- Package/Case:
- SC-76, SOD-323
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Voltage - Zener (Nom) (Vz):
- 3.6 V
- Tolerance:
- ±2%
- Power - Max:
- 400 mW
- Impedance (Max) (Zzt):
- 500 Ohms
- Current - Reverse Leakage @ Vr:
- 5 µA @ 1 V
- Voltage - Forward (Vf) (Max) @ If:
- 1.1 V @ 100 mA
- Operating Temperature:
- 150°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOD-323
PDZ3.6BZ FAQ
1.How can I place an order for PDZ3.6BZ through Aetrix?
Please submit a Request for Quotation (RFQ) for PDZ3.6BZ 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 PDZ3.6BZ reliable?
The price and inventory of PDZ3.6BZ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for PDZ3.6BZ is usually 5 days.
3.What payment methods are accepted for PDZ3.6BZ?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for PDZ3.6BZ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for PDZ3.6BZ?
PDZ3.6BZ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your PDZ3.6BZ 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 PDZ3.6BZ?
For technical support, including PDZ3.6BZ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your PDZ3.6BZ requirements.
6.How does Aetrix verify that PDZ3.6BZ is sourced from the original manufacturer or authorized distributors?
All PDZ3.6BZ 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 PDZ3.6BZ meets industry standards.
7.What is the process for return or replacement of PDZ3.6BZ?
All PDZ3.6BZ units undergo pre-shipment inspection (PSI). If there is an issue with PDZ3.6BZ, 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 PDZ3.6BZ part is unused and in its original packaging.
Return procedure for PDZ3.6BZ:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
PDZ3.6BZ Tags
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