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Nexperia USA Inc. PDZ4.7BGWJ
- Part No.:
- PDZ4.7BGWJ
- Manufacturer:
- Nexperia USA Inc.
- Category:
- Single Zener Diodes
- Package:
- SOD-123
- Datasheet:
-
PDZ4.7BGWJ.pdf
- Description:
- DIODE ZENER 4.7V 365MW SOD123
- Quantity:
- Payment:
- Shipping:
Inventory:3,676
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Product details
Overview
PDZ4.7BGW from Nexperia is a single Zener diode in SOD123 package, designed for precision voltage regulation and reference functions at 4.7 V nominal Zener voltage with ±2 % tolerance (B-series), 90 Ω maximum differential resistance at IZ = 5 mA, and AEC-Q101 qualification for automotive-grade reliability. It operates with low reverse current (≤2 μA at VR = 3.76 V) and supports surge handling up to 40 W non-repetitive peak power.
For engineers reviewing the PDZ4.7BGW datasheet, PDZ4.7BGW pinout, PDZ4.7BGW application, or PDZ4.7BGW equivalent, this device is selected for stable low-voltage reference generation, overvoltage clamping in sensor interfaces, and ESD-protected bias networks where tight voltage tolerance, thermal stability, and automotive qualification are required.
Technical Context
This Zener diode functions as a two-terminal voltage reference with controlled breakdown behavior at 4.7 V under 5 mA test current. Its temperature coefficient is +1.0 mV/K (typical) across 25–150 °C, enabling predictable drift compensation in analog front-ends.
The device uses planar epitaxial silicon construction with cathode-anode polarity defined by a marking bar on the SOD123 body. Its junction-to-solder-point thermal resistance is 50 K/W, supporting reliable operation under pulsed load conditions when mounted per standard FR4 footprint.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Zener Voltage VZ | 4.55 V to 4.75 V at IZ = 5 mA - ensures precise 4.7 V regulation within ±2 % tolerance for reference stability |
| Differential Resistance rdif | ≤90 Ω at IZ = 5 mA - minimizes output impedance variation during load transients |
| Reverse Current IR | ≤2 μA at VR = 3.76 V - enables low-leakage biasing in high-impedance circuits |
| Non-repetitive Peak Power PZSM | 40 W (tp = 100 μs) - supports transient overvoltage suppression without failure |
| Total Power Dissipation Ptot | 365 mW at Tamb ≤ 25 °C - defines continuous DC power limit on standard FR4 PCB |
| Thermal Resistance Rth(j-sp) | 50 K/W - quantifies junction-to-solder-point heat transfer efficiency for thermal design |
| AEC-Q101 Qualified | Yes - validated for automotive applications including engine control, body electronics, and ADAS sensors |
Pinout & Package
PDZ4.7BGW is housed in a SOD123 surface-mount plastic package (3.75 mm × 2.55 mm × 1.3 mm), with cathode identified by a marking bar on the body. The package supports reflow soldering only and features a standardized footprint per Nexperia's recommended land pattern.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (K) | Cathode | Connected to regulated output node; marking bar indicates this terminal; carries reverse-biased current during Zener operation |
| 2 (A) | Anode | Connected to ground or lower-potential rail; completes bias path for controlled breakdown conduction |
Key Features
| Feature | Design Value |
|---|---|
| ±2 % Zener voltage tolerance (B-series) | Enables accurate voltage referencing without post-production trimming in production systems |
| AEC-Q101 qualification | Validated for automotive use including temperature cycling, humidity testing, and mechanical shock per discrete semiconductor stress standards |
| Low differential resistance (≤90 Ω) | Reduces regulation error under varying load currents in feedback loops and reference buffers |
| 40 W non-repetitive peak power rating | Provides robustness against ESD events and short-duration surges in industrial and automotive signal paths |
| SOD123 footprint compatibility | Supports high-density PCB layouts and automated assembly with industry-standard pick-and-place and reflow processes |
Applications
| Automotive Sensor Biasing | Industrial Analog Reference |
|---|---|
|
Use Scenario: Providing stable excitation voltage to resistive temperature detectors (RTDs) in engine coolant and exhaust gas temperature modules. IC Role / Device Role / Timing Role: Zener diode acting as a passive voltage reference source for precision ADC input scaling. Use Value: ±2 % tolerance and +1.0 mV/K temperature coefficient enable <±0.5 % total error over −40 °C to +125 °C operating range. |
Use Scenario: Generating a fixed 4.7 V reference for op-amp-based current sensing in motor drive inverters. IC Role / Device Role / Timing Role: Two-terminal shunt regulator establishing a known potential for feedback divider networks. Use Value: 90 Ω differential resistance limits reference shift to <0.5 mV per 1 mA load variation, improving current measurement linearity. |
| ESD-Protected IO Clamping | Power Supply Rail Clamp |
|
Use Scenario: Protecting CAN transceiver inputs against IEC 61000-4-2 Level 4 ESD events in vehicle communication nodes. IC Role / Device Role / Timing Role: Low-capacitance (325 pF) Zener used in parallel with TVS diode to clamp fast transients below IC damage threshold. Use Value: 40 W non-repetitive peak power rating absorbs 8 kV contact discharge energy without degradation when paired with series impedance. |
Use Scenario: Preventing overvoltage on 5 V microcontroller supply rails during hot-swap or load-dump events in infotainment systems. IC Role / Device Role / Timing Role: Shunt limiter conducting excess current when input exceeds 4.7 V, diverting energy away from downstream regulators. Use Value: 365 mW steady-state dissipation allows sustained clamping during 100 ms load-dump pulses without thermal runaway on standard FR4 layout. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar Zener reference applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| BZX84-C4V7 | Same 4.7 V nominal, ±5 % tolerance, SOT23 package, 300 mW Ptot, no AEC-Q101 qualification | Lower cost for non-automotive consumer applications; lacks automotive reliability validation | Select when AEC-Q101 is not required and board space permits larger SOT23 footprint |
| MMSZ4700T1G | 4.7 V nominal, ±5 % tolerance, SOD123 package, 500 mW Ptot, AEC-Q101 qualified, higher rdif (100 Ω) | Higher power handling but looser voltage tolerance and less precise regulation | Select when surge robustness >40 W is needed and ±5 % regulation accuracy is acceptable |
Compared with BZX84-C4V7 and MMSZ4700T1G, PDZ4.7BGW uniquely delivers ±2 % tolerance in an AEC-Q101-qualified SOD123 package-making it optimal for automotive sensor references where both precision and qualification are mandatory.
Availability
PDZ4.7BGW is available at Aetrix Electronics and suitable for automotive sensor biasing, industrial analog reference generation, ESD-protected IO clamping, and power supply rail clamp applications requiring stable component supply, long-term lifecycle support, and traceable sourcing.
Supply support for PDZ4.7BGW 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 leadership in automotive-qualified components and advanced packaging technologies.
PDZ4.7BGW belongs to the PDZ-GW series of general-purpose Zener diodes engineered specifically for automotive and industrial voltage regulation tasks demanding tight tolerance, surge resilience, and AEC-Q101 compliance.
FAQ
What is the maximum continuous reverse current the PDZ4.7BGW can sustain at 25 °C ambient?
The PDZ4.7BGW sustains up to 76 mA continuous reverse current at 25 °C ambient, calculated from its 365 mW total power dissipation rating and 4.7 V nominal Zener voltage (IZ = Ptot/VZ). This assumes proper PCB copper area and thermal management per the datasheet's mounting conditions.
Does the PDZ4.7BGW require external series resistance in typical Zener regulator configurations?
Yes-external series resistance is mandatory to limit current through the diode. For example, with a 12 V supply and 4.7 V output, a 100 Ω resistor sets IZ ≈ 73 mA, staying within the 365 mW dissipation limit. The resistor value must be chosen based on worst-case supply voltage, load current, and thermal derating.
How does the temperature coefficient of PDZ4.7BGW affect its regulation accuracy over −40 °C to +125 °C?
With a typical temperature coefficient of +1.0 mV/K, PDZ4.7BGW exhibits ~170 mV total drift across −40 °C to +125 °C, representing ~3.6 % of nominal VZ. Combined with ±2 % initial tolerance, total regulation uncertainty is ±5.6 % over full automotive temperature range-acceptable for non-critical biasing but not precision references.
Can PDZ4.7BGW be used in parallel to increase power handling capability?
No-Zener diodes should not be paralleled due to mismatched breakdown voltages causing current hogging and thermal runaway. For higher power, select a single higher-rated device like MMSZ4700T1G (500 mW) or implement active regulation instead of passive Zener stacking.
PDZ4.7BGWJ 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):
- 4.7 V
- Tolerance:
- ±2.13%
- Power - Max:
- 365 mW
- Impedance (Max) (Zzt):
- 90 Ohms
- Current - Reverse Leakage @ Vr:
- 2 µA @ 1 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
PDZ4.7BGWJ FAQ
1.How can I place an order for PDZ4.7BGWJ through Aetrix?
Please submit a Request for Quotation (RFQ) for PDZ4.7BGWJ 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 PDZ4.7BGWJ reliable?
The price and inventory of PDZ4.7BGWJ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for PDZ4.7BGWJ is usually 5 days.
3.What payment methods are accepted for PDZ4.7BGWJ?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for PDZ4.7BGWJ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for PDZ4.7BGWJ?
PDZ4.7BGWJ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your PDZ4.7BGWJ 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 PDZ4.7BGWJ?
For technical support, including PDZ4.7BGWJ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your PDZ4.7BGWJ requirements.
6.How does Aetrix verify that PDZ4.7BGWJ is sourced from the original manufacturer or authorized distributors?
All PDZ4.7BGWJ 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 PDZ4.7BGWJ meets industry standards.
7.What is the process for return or replacement of PDZ4.7BGWJ?
All PDZ4.7BGWJ units undergo pre-shipment inspection (PSI). If there is an issue with PDZ4.7BGWJ, 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 PDZ4.7BGWJ part is unused and in its original packaging.
Return procedure for PDZ4.7BGWJ:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
PDZ4.7BGWJ Tags
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