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Nexperia USA Inc. PDZ16B-QF
- Part No.:
- PDZ16B-QF
- Manufacturer:
- Nexperia USA Inc.
- Category:
- Single Zener Diodes
- Package:
- SC-76, SOD-323
- Datasheet:
-
PDZ16B-QF.pdf
- Description:
- DIODE ZENER 16V 400MW SOD323
- Quantity:
- Payment:
- Shipping:
Inventory:2,368
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Product details
Overview
PDZ16B-QF from Nexperia is a single Zener diode in SOD323 (SC-76) package, designed for precision voltage regulation at 16 V nominal working voltage with ±2 % tolerance, 80 Ω max differential resistance at IZ = 5 mA, and 0.05 μA max reverse leakage at VR = 12 V - used in automotive power rail clamping and low-power reference circuits.
For engineers reviewing the PDZ16B-QF datasheet, PDZ16B-QF pinout, PDZ16B-QF application, or PDZ16B-QF equivalent, this device supports AEC-Q101-compliant designs requiring stable 16 V Zener regulation, low thermal resistance (130 K/W junction-to-solder point), and hard breakdown knee in space-constrained SMT layouts.
Technical Context
This Zener diode operates with a nominal Zener voltage of 15.85–16.51 V at IZ = 5 mA, exhibiting a temperature coefficient of +12.4 mV/K and diode capacitance of 97 pF at 1 MHz and 0 V bias. Its forward voltage is ≤0.9 V at 10 mA, supporting bidirectional protection and reference functions.
Rated for 400 mW total power dissipation on FR4 PCB (single-sided copper), it features a junction-to-ambient thermal resistance of 340 K/W and withstands non-repetitive peak reverse current up to 1.5 A (100 µs pulse), making it suitable for transient suppression in 12 V automotive subsystems.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Zener Voltage (VZ) | 15.85–16.51 V at IZ = 5 mA - defines precise regulation threshold for 16 V rail stabilization |
| Differential Resistance (rdif) | ≤80 Ω at IZ = 5 mA - ensures minimal voltage shift under load variation |
| Reverse Leakage (IR) | ≤0.05 μA at VR = 12 V - enables ultra-low standby power in always-on circuits |
| Power Dissipation (Ptot) | 400 mW at Tamb ≤ 25 °C - supports continuous operation in compact SMT footprints |
| Thermal Resistance (Rth(j-sp)) | 130 K/W junction-to-solder point - allows direct thermal coupling to PCB copper for reliability |
| Temperature Coefficient (SZ) | +12.4 mV/K at IZ = 5 mA - provides predictable positive drift for temperature-compensated references |
| Package | SOD323 (SC-76) - 1.35 × 1.75 mm footprint ideal for high-density automotive PCBs |
Pinout & Package
SOD323 plastic surface-mounted package (2-lead SC-76); cathode identified by marking bar on body.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (K) | Cathode | Connected to regulated output node; polarity-sensitive for correct Zener conduction |
| 2 (A) | Anode | Connected to ground or lower-potential rail; completes reverse-biased regulation path |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualified | Validated for automotive-grade reliability including temperature cycling, HTRB, and ESD robustness |
| Hard breakdown knee | Sharp, well-defined Zener transition enables accurate voltage clamping without soft saturation |
| Low dynamic impedance | 80 Ω max at 5 mA ensures <100 mV regulation error across ±1 mA load step changes |
| Ultra-low leakage | 0.05 μA max at 12 V reverse bias minimizes quiescent current in battery-backed systems |
| Small outline package | SOD323 footprint (1.35 × 1.75 mm) fits 0402-class board area while enabling manual rework |
Applications
| Automotive Body Control Module (BCM) | Industrial Sensor Signal Conditioning |
|---|---|
Use Scenario: Voltage clamping on LIN bus transceiver supply rail subject to load dump transients. IC Role / Device Role / Timing Role: Zener clamp protecting 16 V LDO input against >28 V surges. Use Value: Prevents LDO overvoltage failure with 1.5 A surge rating and 130 K/W thermal path to PCB copper. |
Use Scenario: Precision 16 V reference for 16-bit ADC biasing in factory-floor pressure sensors. IC Role / Device Role / Timing Role: Stable shunt reference replacing larger TO-92 diodes in miniaturized sensor nodes. Use Value: ±2 % tolerance and +12.4 mV/K TC enable calibrated offset correction without external trimming. |
| Automotive Infotainment Power Sequencing | Medical Portable Diagnostic Device |
Use Scenario: Regulation of auxiliary 16 V rail powering display backlight drivers during cold-crank conditions. IC Role / Device Role / Timing Role: Low-leakage (0.05 μA) Zener maintaining reference integrity during 3.2 V battery dips. Use Value: Enables reliable sequencing control even when main supply drops below nominal, avoiding false resets. |
Use Scenario: Overvoltage protection for lithium-ion battery monitor IC powered from 16 V intermediate rail. IC Role / Device Role / Timing Role: Fail-safe clamp limiting voltage to 16.51 V maximum, preventing IC latch-up. Use Value: AEC-Q101 qualification ensures compliance with ISO 13849 functional safety requirements for medical devices. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar Zener regulation applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| BZX84-C16 | ±5 % tolerance, 100 Ω rdif, no AEC-Q101 qualification | General-purpose industrial use only; not rated for automotive temperature cycling | Select when cost sensitivity outweighs automotive reliability requirements |
| MMSZ5245B | ±5 % tolerance, 17 Ω rdif, SOD-123 package (larger footprint) | Higher precision regulation but requires 2.5 × 1.25 mm layout space vs. 1.35 × 1.75 mm | Select when lower dynamic impedance is critical and board area permits larger package |
Compared with BZX84-C16 and MMSZ5245B, PDZ16B-QF uniquely delivers AEC-Q101 qualification, ±2 % tolerance, and SOD323 size in one device - making it the only choice for space-constrained automotive Zener applications demanding both precision and qualification.
Availability
PDZ16B-QF is available at Aetrix Electronics and suitable for automotive body control modules, industrial sensor signal conditioning, and portable medical diagnostic devices requiring stable component supply with full traceability and long-term lifecycle support.
Supply support for PDZ16B-QF 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.
PDZ-B-Q series belongs to Nexperia's AEC-Q101-qualified Zener portfolio, engineered specifically for automotive voltage regulation where small size, tight tolerance, and thermal robustness are mandatory.
FAQ
What is the maximum reverse voltage PDZ16B-QF can safely clamp?
The PDZ16B-QF is rated for a nominal Zener voltage of 15.85–16.51 V at 5 mA, with a maximum non-repetitive peak reverse current of 1.5 A (100 µs pulse). It is not intended for sustained reverse voltage above its specified VZ; operation beyond 16.51 V risks exceeding Ptot = 400 mW unless derated per the published power curve.
Does PDZ16B-QF require a series resistor in typical Zener regulator configurations?
Yes - a current-limiting resistor is mandatory to set IZ within 0.5–20 mA range, ensuring stable regulation and staying within Ptot limits. For example, with 24 V input and 16 V output, a 390 Ω resistor delivers ~20.5 mA, staying just below the 200 mA absolute max forward current limit while respecting thermal limits.
How does the +12.4 mV/K temperature coefficient affect circuit performance?
The positive temperature coefficient means VZ increases by ~12.4 mV per °C rise in junction temperature. At 100 °C ambient (with self-heating), VZ may rise ~0.75 V above room-temperature value - requiring system-level compensation if regulation accuracy tighter than ±3 % is needed across full automotive temperature range.
Can PDZ16B-QF be used in bidirectional ESD protection?
No - PDZ16B-QF is a unidirectional Zener diode optimized for reverse-bias regulation. It lacks symmetric breakdown characteristics and specified ESD ratings (e.g., IEC 61000-4-2). For bidirectional ESD protection, dedicated TVS diodes such as PESD5V0S1BA should be used instead.
PDZ16B-QF Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Nexperia USA Inc.
- Series:
- PDZ-B-Q
- Package/Case:
- SC-76, SOD-323
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Voltage - Zener (Nom) (Vz):
- 16 V
- Tolerance:
- ±2%
- Power - Max:
- 400 mW
- Impedance (Max) (Zzt):
- 20 Ohms
- Current - Reverse Leakage @ Vr:
- 50 nA @ 12 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
PDZ16B-QF FAQ
1.How can I place an order for PDZ16B-QF through Aetrix?
Please submit a Request for Quotation (RFQ) for PDZ16B-QF 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 PDZ16B-QF reliable?
The price and inventory of PDZ16B-QF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for PDZ16B-QF is usually 5 days.
3.What payment methods are accepted for PDZ16B-QF?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for PDZ16B-QF transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for PDZ16B-QF?
PDZ16B-QF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your PDZ16B-QF 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 PDZ16B-QF?
For technical support, including PDZ16B-QF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your PDZ16B-QF requirements.
6.How does Aetrix verify that PDZ16B-QF is sourced from the original manufacturer or authorized distributors?
All PDZ16B-QF 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 PDZ16B-QF meets industry standards.
7.What is the process for return or replacement of PDZ16B-QF?
All PDZ16B-QF units undergo pre-shipment inspection (PSI). If there is an issue with PDZ16B-QF, 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 PDZ16B-QF part is unused and in its original packaging.
Return procedure for PDZ16B-QF:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
PDZ16B-QF Tags
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