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Nexperia USA Inc. PDZ12BGWJ
- Part No.:
- PDZ12BGWJ
- Manufacturer:
- Nexperia USA Inc.
- Category:
- Single Zener Diodes
- Package:
- SOD-123
- Datasheet:
-
PDZ12BGWJ.pdf
- Description:
- DIODE ZENER 12V 365MW SOD123
- Quantity:
- Payment:
- Shipping:
Inventory:41,404
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Product details
Overview
PDZ12BGWJ from Nexperia is a single Zener diode in SOD123 package, designed for precision voltage regulation and reference functions at nominal 12 V (IZ = 5 mA), with ±2 % tolerance (B-series), 9.0 Ω typical differential resistance, and AEC-Q101 qualification for automotive-grade reliability. It operates with reverse current as low as 0.1 μA at VR = 9.77 V and supports transient suppression up to 3.0 A non-repetitive peak reverse current.
For engineers reviewing the PDZ12BGWJ datasheet, PDZ12BGWJ pinout, PDZ12BGWJ application, or PDZ12BGWJ equivalent, this device is selected for stable low-power voltage clamping in power supply feedback loops, ESD-protected sensor interfaces, and automotive body control modules where tight Zener voltage accuracy and thermal robustness are required.
Technical Context
This Zener diode functions as a two-terminal voltage reference with defined breakdown behavior under reverse bias. Its 12 V nominal working voltage (11.74–12.24 V range) is specified at 5 mA test current, and its temperature coefficient of +8.4 mV/K enables predictable drift compensation in mid-voltage regulation circuits.
The device exhibits low dynamic impedance (9.0 Ω typ.) and minimal capacitance (105 pF at 1 MHz, VR = 0 V), supporting stable operation in high-frequency feedback paths. Its SOD123 footprint and AEC-Q101 qualification confirm suitability for surface-mounted automotive electronics with strict thermal and reliability requirements.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Nominal Zener Voltage | 12 V at IZ = 5 mA; actual range 11.74–12.24 V ensures precise clamping in 12 V rail monitoring |
| Tolerance | ±2 % (B-series); guarantees tight voltage matching without post-production trimming |
| Differential Resistance | 9.0 Ω typical; maintains stable regulation under load variations up to ±10 mA |
| Reverse Current | ≤0.1 μA at VR = 9.77 V; minimizes standby power loss in battery-backed circuits |
| Non-repetitive Peak Reverse Current | 3.0 A (tp = 100 μs); provides transient overvoltage immunity in CAN/LIN bus protection |
| Thermal Resistance (j-a) | 340 K/W in free air; enables operation up to 150 °C junction temperature on standard FR4 PCB |
| AEC-Q101 Qualified | Validated for automotive applications including engine control units and lighting modules |
Pinout & Package
SOD123 plastic surface-mount package: 2.80 mm × 1.70 mm × 1.30 mm body, cathode-marked with bar, optimized for reflow soldering on standard FR4 PCBs with 1 cm² cathode pad for thermal performance.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (K) | Cathode | Connected to regulated output node; marking bar identifies this terminal for correct orientation during placement |
| 2 (A) | Anode | Connected to ground or lower-potential reference; completes reverse-bias path for Zener conduction |
Key Features
| Feature | Design Value |
|---|---|
| ±2 % Zener voltage tolerance | Enables direct replacement in feedback networks without recalibration or resistor adjustment |
| Low 9.0 Ω differential resistance | Reduces output voltage deviation under dynamic load steps in LDO error amplifiers |
| AEC-Q101 qualification | Confirms reliability for 15-year automotive service life under thermal cycling and humidity exposure |
| 365 mW total power dissipation | Supports continuous regulation in space-constrained modules without heatsinking |
| 105 pF junction capacitance | Minimizes phase shift in high-speed comparator-based overvoltage detectors |
Applications
| Automotive Body Control Module | Industrial Sensor Signal Conditioning |
|---|---|
Use Scenario: Voltage reference for microcontroller ADC input scaling in door module ECUs. IC Role / Device Role / Timing Role: Zener diode provides stable 12 V-derived reference for analog front-end signal chain. Use Value: ±2 % tolerance eliminates need for external calibration; AEC-Q101 rating ensures compliance with ISO 16750-4 pulse test requirements. |
Use Scenario: Clamp and level-shift 4–20 mA loop transmitter outputs in factory automation PLCs. IC Role / Device Role / Timing Role: Acts as bidirectional overvoltage protector and DC offset reference for op-amp input stages. Use Value: 9.0 Ω rdif ensures <10 mV error across 0–10 mA signal range; 340 K/W Rth(j-a) allows operation at 85 °C ambient. |
| USB-C Power Delivery Feedback | Smart Meter Voltage Monitoring |
Use Scenario: Regulation reference in secondary-side feedback circuit of isolated AC/DC adapter for USB-C PD negotiation. IC Role / Device Role / Timing Role: Zener sets precise 12 V threshold for optocoupler-driven feedback loop. Use Value: 105 pF capacitance avoids high-frequency instability in 100 kHz flyback controllers; 3.0 A IZSM handles surge events per IEC 61000-4-5. |
Use Scenario: Overvoltage detection in polyphase energy meter MCU supply rails. IC Role / Device Role / Timing Role: Clamps 12 V auxiliary supply to protect metrology ICs during lightning-induced transients. Use Value: 0.1 μA IR at 9.77 V prevents false triggering in low-power sleep mode; SOD123 footprint fits dense meter PCB layouts. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar Zener regulation applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| BZX84-C12 | Same 12 V nominal, ±5 % tolerance, SOT23 package, 350 mW Ptot | Larger package footprint; higher 15 Ω rdif increases regulation error under load | Select when cost sensitivity outweighs precision; not recommended for AEC-Q101 systems |
| MMSZ4689 | 12 V nominal, ±5 %, SOD123 package, 500 mW Ptot, 10 Ω rdif | Higher power rating but no AEC-Q101 qualification; wider voltage tolerance | Use only in industrial non-automotive designs requiring higher surge margin |
Compared with BZX84-C12 and MMSZ4689, PDZ12BGWJ delivers tighter ±2 % voltage control, lower 9.0 Ω impedance, and automotive qualification-making it the sole choice for safety-critical 12 V reference nodes where long-term stability and regulatory compliance are mandatory.
Availability
PDZ12BGWJ is available at Aetrix Electronics and suitable for automotive body control modules, industrial sensor transmitters, USB-C power adapters, and smart meter voltage supervision requiring stable component supply with full traceability and lifecycle management.
Supply support for PDZ12BGWJ 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 technologies.
PDZ12BGWJ belongs to the PDZ-GW series of AEC-Q101-qualified Zener diodes engineered specifically for precision voltage regulation in harsh-environment automotive and industrial control systems.
FAQ
What is the maximum continuous reverse power dissipation for PDZ12BGWJ at 25 °C ambient?
The total power dissipation (Ptot) is rated at 365 mW when mounted on an FR4 PCB with single-sided copper and standard footprint. At elevated ambient temperatures, derating applies per the thermal resistance of 340 K/W; for example, at 85 °C ambient, maximum continuous power drops to approximately 165 mW to maintain 150 °C junction temperature.
How does the temperature coefficient affect regulation accuracy over automotive temperature ranges?
PDZ12BGWJ has a temperature coefficient of +8.4 mV/K at IZ = 5 mA. Over −40 °C to +125 °C, this results in a total Zener voltage shift of approximately ±1.4 V, which is accounted for in automotive design margins. Its positive coefficient also enables complementary drift cancellation when paired with NTC thermistors in precision references.
Can PDZ12BGWJ be used in place of PDZ12B in legacy designs?
Yes-PDZ12BGWJ is the enhanced, AEC-Q101-qualified version of PDZ12B with identical electrical specifications, SOD123 package, and marking code "BJ". It replaces PDZ12B directly in new designs and offers improved reliability for automotive applications without layout or schematic changes.
What is the significance of the "GW" suffix in the part number?
The "GW" suffix denotes Nexperia's Green (halogen-free, RoHS-compliant) SOD123 package variant with matte tin-plated leads and lead-free solder compatibility. It confirms compliance with JEDEC J-STD-020 moisture sensitivity level 1 and IPC/JEDEC J-STD-033 handling requirements for surface-mount assembly.
PDZ12BGWJ Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Nexperia USA Inc.
- Series:
- PDZ-GW
- Package/Case:
- SOD-123
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Voltage - Zener (Nom) (Vz):
- 12 V
- Tolerance:
- ±2.08%
- Power - Max:
- 365 mW
- Impedance (Max) (Zzt):
- 10 Ohms
- Current - Reverse Leakage @ Vr:
- 100 nA @ 9 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-123
PDZ12BGWJ FAQ
1.How can I place an order for PDZ12BGWJ through Aetrix?
Please submit a Request for Quotation (RFQ) for PDZ12BGWJ 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 PDZ12BGWJ reliable?
The price and inventory of PDZ12BGWJ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for PDZ12BGWJ is usually 5 days.
3.What payment methods are accepted for PDZ12BGWJ?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for PDZ12BGWJ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for PDZ12BGWJ?
PDZ12BGWJ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your PDZ12BGWJ 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 PDZ12BGWJ?
For technical support, including PDZ12BGWJ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your PDZ12BGWJ requirements.
6.How does Aetrix verify that PDZ12BGWJ is sourced from the original manufacturer or authorized distributors?
All PDZ12BGWJ 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 PDZ12BGWJ meets industry standards.
7.What is the process for return or replacement of PDZ12BGWJ?
All PDZ12BGWJ units undergo pre-shipment inspection (PSI). If there is an issue with PDZ12BGWJ, 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 PDZ12BGWJ part is unused and in its original packaging.
Return procedure for PDZ12BGWJ:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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