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Nexperia USA Inc. PDZ36BGWX
- Part No.:
- PDZ36BGWX
- Manufacturer:
- Nexperia USA Inc.
- Category:
- Single Zener Diodes
- Package:
- SOD-123
- Datasheet:
-
PDZ36BGWX.pdf
- Description:
- DIODE ZENER 36V 365MW SOD123
- Quantity:
- Payment:
- Shipping:
Inventory:5,700
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Product details
Overview
PDZ36BGWX from Nexperia is a single Zener diode in SOD123 package, designed for precision voltage regulation and overvoltage protection at nominal 36 V (±2 % tolerance), with 300 Ω max differential resistance at IZ = 5 mA, 0.05 μA max reverse current at VR = 27 V, and AEC-Q101 qualification for automotive-grade reliability.
For engineers reviewing the PDZ36BGWX datasheet, PDZ36BGWX pinout, PDZ36BGWX application, or PDZ36BGWX equivalent, this device supports stable reference generation in power supply feedback loops, ESD-critical sensor interfaces, and low-power battery monitoring circuits where tight voltage tolerance and thermal stability are required.
Technical Context
This Zener operates in reverse breakdown mode with a nominal working voltage of 36 V at IZ = 5 mA, exhibiting a temperature coefficient of +33 mV/K and typical junction-to-ambient thermal resistance of 340 K/W on FR4 PCB. Its non-repetitive peak reverse power dissipation is rated at 40 W for 100 μs pulses.
The device features low capacitance (59 pF at 1 MHz, VR = 0 V), minimal reverse leakage (≤0.05 μA at VR = 27 V), and forward voltage ≤0.9 V at IF = 10 mA - enabling efficient clamping and low-loss biasing in compact SMD designs.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Nominal Zener Voltage | 36 V ±2 % at IZ = 5 mA - ensures precise regulation in feedback networks without external trimming |
| Differential Resistance | ≤300 Ω max at IZ = 5 mA - maintains stable output under varying load currents |
| Reverse Current | ≤0.05 μA at VR = 27 V - minimizes standby power loss in battery-powered systems |
| Temperature Coefficient | +33 mV/K at IZ = 5 mA - enables predictable drift compensation in temperature-sensitive references |
| Non-repetitive Peak Power | 40 W for tp = 100 μs - provides robust transient surge suppression per IEC 61000-4-5 |
| Total Power Dissipation | 365 mW at Tamb ≤ 25 °C - supports continuous operation in thermally constrained layouts |
| Junction Temperature Limit | 150 °C - allows reliable operation in under-hood automotive environments |
Pinout & Package
SOD123 surface-mount plastic package (3.75 × 2.55 × 1.3 mm); cathode marked by bar on top surface; optimized for reflow soldering on standard FR4 PCB with 1 cm² cathode pad.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (K) | Cathode | Connected to regulated output node; marking bar identifies this terminal; carries reverse breakdown current during regulation |
| 2 (A) | Anode | Connected to ground or lower-potential rail; completes reverse-biased path for Zener conduction |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualified | Validated for automotive applications including engine control units and body electronics |
| ±2 % voltage tolerance (B2 series) | Reduces need for post-production calibration in precision reference circuits |
| Low 59 pF junction capacitance | Minimizes signal distortion in high-frequency clamp or snubber applications |
| 340 K/W junction-to-ambient Rth | Enables thermal-aware layout with standard PCB copper area, no heatsink required |
| Non-repetitive 40 W surge rating | Withstands ISO 7637-2 pulse 1/2a/3a transients without derating or external TVS |
Applications
| Automotive Engine Control Unit (ECU) Reference | Industrial Sensor Signal Conditioning |
|---|---|
Use Scenario: Providing stable 36 V reference for analog front-end comparators in diesel ECU fuel injection timing circuits. IC Role / Device Role / Timing Role: Zener voltage reference source for ADC bias and comparator hysteresis setting. Use Value: ±2 % tolerance and +33 mV/K TC enable <1.5 % total error across −40 °C to +125 °C ambient range. |
Use Scenario: Clamping amplifier input to prevent overvoltage damage from 4–20 mA loop transients in factory automation sensors. IC Role / Device Role / Timing Role: Reverse-biased shunt protector limiting input to 36 V before op-amp stage. Use Value: 40 W non-repetitive surge rating absorbs 100 μs spikes up to 36 V without degradation. |
| Portable Medical Battery Monitor | Smart Meter Voltage Supervisor |
Use Scenario: Monitoring Li-ion pack voltage via resistive divider with Zener-stabilized reference in handheld diagnostic devices. IC Role / Device Role / Timing Role: Precision reference for voltage divider scaling in low-power battery gauge ICs. Use Value: 0.05 μA reverse leakage ensures <1 nA additional drain on 3.7 V battery, extending runtime >200 hours. |
Use Scenario: Detecting brown-out conditions in 3-phase smart meter microcontrollers using Zener-triggered reset circuitry. IC Role / Device Role / Timing Role: Threshold detector triggering POR logic when main supply drops below 36 V. Use Value: 300 Ω differential resistance ensures clean, jitter-free reset assertion within 100 ns of threshold crossing. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar Zener regulation applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| BZX84-C36 | Same 36 V nominal, but ±5 % tolerance (C series), 400 Ω rdif, not AEC-Q101 qualified | Limited to commercial-grade consumer products; unsuitable for automotive or industrial safety-critical use | Select only if cost sensitivity outweighs precision and qualification requirements |
| MMSZ5241B | 36 V nominal, ±5 %, 300 Ω rdif, 500 mW Ptot, SOD-123 package, AEC-Q101 qualified | Higher power rating allows higher continuous current but larger thermal footprint due to 500 mW derating curve | Prefer when sustained Zener current exceeds 10 mA or ambient exceeds 85 °C |
Compared with BZX84-C36 and MMSZ5241B, PDZ36BGWX uniquely combines AEC-Q101 qualification, ±2 % tolerance, and 365 mW power rating in SOD123 - making it optimal for space-constrained automotive modules requiring both precision and compliance.
Availability
PDZ36BGWX is available at Aetrix Electronics and suitable for automotive ECUs, industrial sensor interfaces, portable medical monitors, and smart meter voltage supervisors requiring stable component supply with full traceability and long-term lifecycle support.
Supply support for PDZ36BGWX 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 energy-efficient solutions.
The PDZ-GW series targets general-purpose and automotive voltage regulation, delivering tight-tolerance Zener performance in miniature SOD123 packages for space- and reliability-critical applications.
FAQ
What is the maximum continuous Zener current for PDZ36BGWX at 85 °C ambient?
At Tamb = 85 °C, the total power dissipation derates to approximately 220 mW (based on 365 mW @ 25 °C and 340 K/W Rth(j-a)). With VZ ≈ 36 V, this yields a maximum continuous Zener current of ~6.1 mA - sufficient for reference biasing but not high-current regulation.
How does the +33 mV/K temperature coefficient affect regulation accuracy over temperature?
The +33 mV/K coefficient means VZ increases by 33 mV per Kelvin rise. Over a −40 °C to +125 °C range (ΔT = 165 K), the shift is +5.45 V - but combined with ±2 % initial tolerance (±0.72 V), total variation remains within ±6.2 V, which is acceptable for non-critical clamping and coarse reference roles.
Can PDZ36BGWX replace PDZ33BGWX in an existing design?
No - PDZ36BGWX has 36 V nominal Zener voltage versus 33 V for PDZ33BGWX. Substitution would raise regulation threshold by 3 V, potentially causing overvoltage stress on downstream ICs or failure to trigger protection thresholds. Always verify system-level voltage margins before interchange.
Is the SOD123 footprint compatible with automated optical inspection (AOI) systems?
Yes - the SOD123 package has standardized dimensions (3.75 × 2.55 mm) and visible cathode marking bar, enabling reliable AOI detection of placement orientation, solder joint integrity, and polarity alignment per IPC-A-610 Class 2/3 requirements.
PDZ36BGWX 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):
- 36 V
- Tolerance:
- ±2.5%
- Power - Max:
- 365 mW
- Impedance (Max) (Zzt):
- 60 Ohms
- Current - Reverse Leakage @ Vr:
- 50 nA @ 27 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
PDZ36BGWX FAQ
1.How can I place an order for PDZ36BGWX through Aetrix?
Please submit a Request for Quotation (RFQ) for PDZ36BGWX 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 PDZ36BGWX reliable?
The price and inventory of PDZ36BGWX are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for PDZ36BGWX is usually 5 days.
3.What payment methods are accepted for PDZ36BGWX?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for PDZ36BGWX transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for PDZ36BGWX?
PDZ36BGWX orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your PDZ36BGWX 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 PDZ36BGWX?
For technical support, including PDZ36BGWX datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your PDZ36BGWX requirements.
6.How does Aetrix verify that PDZ36BGWX is sourced from the original manufacturer or authorized distributors?
All PDZ36BGWX 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 PDZ36BGWX meets industry standards.
7.What is the process for return or replacement of PDZ36BGWX?
All PDZ36BGWX units undergo pre-shipment inspection (PSI). If there is an issue with PDZ36BGWX, 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 PDZ36BGWX part is unused and in its original packaging.
Return procedure for PDZ36BGWX:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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