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Nexperia USA Inc. PDZ10B-QX
- Part No.:
- PDZ10B-QX
- Manufacturer:
- Nexperia USA Inc.
- Category:
- Single Zener Diodes
- Package:
- SC-76, SOD-323
- Datasheet:
-
PDZ10B-QX.pdf
- Description:
- DIODE ZENER 10V 400MW SOD323
- Quantity:
- Payment:
- Shipping:
Inventory:3,997
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Product details
Overview
PDZ10B-QX from Nexperia is a single Zener diode designed for precision voltage regulation in low-power automotive and industrial circuits, with a nominal Zener voltage of 10.0 V (9.77–10.21 V at IZ = 5 mA), dynamic impedance ≤60 Ω at 5 mA, reverse leakage ≤0.1 µA at VR = 7.0 V, and AEC-Q101 qualification for under-hood applications.
For engineers reviewing the PDZ10B-QX datasheet, PDZ10B-QX pinout, PDZ10B-QX application, or PDZ10B-QX equivalent, this device serves as a compact, thermally stable voltage reference in power supply feedback paths, overvoltage clamping networks, and sensor biasing circuits where tight tolerance (±2 %), low leakage, and hard breakdown knee are critical.
Technical Context
This Zener diode operates in reverse breakdown mode to maintain a stable reference voltage across its cathode-anode terminals. Its 10.0 V nominal working voltage is specified at 5 mA test current, with temperature coefficient +6.4 mV/K - indicating positive drift with junction temperature rise, enabling predictable compensation in bias networks.
Designed for surface-mount use in SOD323 (SC-76) package, it delivers 400 mW total power dissipation on FR4 PCB with standard footprint, and exhibits thermal resistance of 130 K/W (junction-to-solder point) and 340 K/W (junction-to-ambient), supporting reliable operation up to +150 °C junction temperature.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Zener Voltage VZ | 9.77–10.21 V at IZ = 5 mA - defines precise regulation window for feedback or clamp circuits |
| Differential Resistance rdif | ≤60 Ω at IZ = 5 mA - ensures minimal output voltage shift under load variation |
| Reverse Leakage IR | ≤0.1 µA at VR = 7.0 V - enables low-power standby operation without parasitic current drain |
| Power Dissipation Ptot | 400 mW at Tamb ≤ 25 °C - supports continuous regulation in compact PCB layouts |
| Thermal Resistance Rth(j-sp) | 130 K/W - allows direct thermal coupling to solder pad for effective heat transfer |
| Temperature Coefficient SZ | +6.4 mV/K at IZ = 5 mA - enables predictable voltage drift compensation in wide-temp designs |
| Forward Voltage VF | 0.9 V at IF = 10 mA - defines conduction threshold when used in series protection or polarity-sensitive paths |
Pinout & Package
PDZ10B-QX is housed in a SOD323 (SC-76) plastic surface-mounted package with two leads: anode (A) and cathode (K). The marking bar on the device body identifies the cathode terminal.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (K) | Cathode | Connected to regulated output node in shunt configuration; accepts reverse-bias current to maintain VZ |
| 2 (A) | Anode | Ground or low-impedance return path; completes Zener conduction loop during regulation |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualified | Validated for automotive under-hood use per stress test requirements, including temperature cycling and HTRB |
| Hard breakdown knee | Sharp, well-defined Zener transition enables stable regulation even at low currents (0.5–5 mA) |
| Low dynamic impedance | ≤60 Ω at 5 mA ensures minimal output ripple and high PSRR in reference applications |
| Very low leakage | ≤0.1 µA at 70 % of VZ prevents signal distortion in high-impedance sensor interfaces |
| SOD323 footprint | 1.35 × 1.75 mm outline with 0.65 mm lead pitch supports high-density routing and automated assembly |
Applications
| Automotive Body Control Module (BCM) | Industrial Sensor Signal Conditioning |
|---|---|
|
Use Scenario: Regulating reference voltage for microcontroller ADC inputs monitoring battery voltage and cabin sensors. IC Role / Device Role / Timing Role: Shunt Zener reference providing stable 10.0 V rail for analog front-end scaling and offset calibration. Use Value: ±2 % tolerance and +6.4 mV/K TC enable accurate voltage measurement across −40 °C to +125 °C ambient range. |
Use Scenario: Biasing precision op-amps in 4–20 mA transmitter circuits for pressure and temperature transducers. IC Role / Device Role / Timing Role: Low-leakage (≤0.1 µA) voltage reference stabilizing gain-setting resistors and current-sense nodes. Use Value: Hard breakdown knee and ≤60 Ω dynamic impedance prevent gain drift under varying loop load conditions. |
| USB-C Power Delivery Clamp | Embedded MCU Reset Circuit |
|
Use Scenario: Clamping transient overvoltage on VBUS line during hot-plug events in USB-C PD adapters. IC Role / Device Role / Timing Role: Fast-response Zener clamp absorbing surge energy while limiting peak voltage to 10.21 V. Use Value: 400 mW power rating and 3.5 A non-repetitive peak current capability handle short-duration ESD-like surges. |
Use Scenario: Generating clean reset threshold for ARM Cortex-M microcontrollers in smart metering systems. IC Role / Device Role / Timing Role: Precision 10.0 V reference feeding comparator input to trigger reset when supply drops below 9.77 V. Use Value: Tight 9.77–10.21 V window ensures deterministic reset timing across voltage and temperature variations. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar Zener voltage regulation applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| BZX84-C10LT1G | 10 V nominal, ±5 % tolerance, 350 mW Ptot, SOT-23 package | Higher tolerance and lower power rating reduce accuracy in precision feedback loops | Select when cost sensitivity outweighs regulation stability and automotive qualification is not required |
| MMSZ5240B | 10 V nominal, ±5 % tolerance, 500 mW Ptot, SOD-123 package | Larger SOD-123 footprint and wider voltage spread increase board area and reduce thermal margin | Prefer only if higher power handling is needed and AEC-Q101 compliance is optional |
Compared with BZX84-C10LT1G and MMSZ5240B, PDZ10B-QX offers tighter ±2 % tolerance, lower leakage (0.1 µA vs ≥1 µA), AEC-Q101 qualification, and optimized thermal resistance in SOD323 - making it superior for automotive-grade voltage references demanding long-term stability and low-current accuracy.
Availability
PDZ10B-QX is available at Aetrix Electronics and suitable for automotive body control modules, industrial sensor transmitters, USB-C power delivery clamping, and embedded MCU reset circuits requiring stable component supply, consistent parametric performance, and AEC-Q101-compliant sourcing.
Supply support for PDZ10B-QX 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-performance, high-reliability discrete, logic, and MOSFET devices, with leadership in automotive-qualified components and advanced packaging technologies.
PDZ10B-QX belongs to the PDZ-B-Q series of AEC-Q101-qualified Zener diodes engineered specifically for precision voltage regulation in harsh-environment automotive and industrial electronics where low leakage, tight tolerance, and thermal robustness are mandatory.
FAQ
What is the maximum reverse voltage PDZ10B-QX can withstand before breakdown?
The PDZ10B-QX has a nominal Zener voltage of 9.77–10.21 V at 5 mA, and its sharp breakdown knee ensures stable regulation begins near this range. It is not rated for sustained operation above 10.21 V in reverse bias - exceeding this risks thermal runaway unless current is strictly limited by external series resistance per the 400 mW power derating curve.
Does PDZ10B-QX support reflow soldering, and what footprint is recommended?
Yes, PDZ10B-QX is qualified for lead-free reflow soldering. Nexperia specifies a standard SOD323 reflow footprint with 0.5 mm solder land width, 0.6 mm solder resist opening, and 2.2 mm center-to-center pad spacing (Figure 9 in datasheet Rev. 2). This layout ensures reliable wetting and mechanical integrity on FR4 PCBs.
How does the +6.4 mV/K temperature coefficient affect circuit design?
The +6.4 mV/K coefficient means VZ increases by ~0.64 V over a 100 °C junction temperature rise. In precision references, this must be compensated via resistor network trimming or paired with negative-TC components; however, in clamping applications, it provides predictable overvoltage headroom expansion at elevated temperatures.
Is PDZ10B-QX suitable for bidirectional ESD protection?
No - PDZ10B-QX is a unidirectional Zener diode optimized for reverse-bias regulation. It lacks symmetric breakdown characteristics and low clamping voltage in forward bias required for bidirectional ESD protection. For such use, purpose-built TVS diodes like PESD5V0S1BA should be selected instead.
PDZ10B-QX 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):
- 10 V
- Tolerance:
- ±2%
- Power - Max:
- 400 mW
- Impedance (Max) (Zzt):
- 10 Ohms
- Current - Reverse Leakage @ Vr:
- 100 nA @ 7 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
PDZ10B-QX FAQ
1.How can I place an order for PDZ10B-QX through Aetrix?
Please submit a Request for Quotation (RFQ) for PDZ10B-QX 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 PDZ10B-QX reliable?
The price and inventory of PDZ10B-QX are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for PDZ10B-QX is usually 5 days.
3.What payment methods are accepted for PDZ10B-QX?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for PDZ10B-QX transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for PDZ10B-QX?
PDZ10B-QX orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your PDZ10B-QX 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 PDZ10B-QX?
For technical support, including PDZ10B-QX datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your PDZ10B-QX requirements.
6.How does Aetrix verify that PDZ10B-QX is sourced from the original manufacturer or authorized distributors?
All PDZ10B-QX 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 PDZ10B-QX meets industry standards.
7.What is the process for return or replacement of PDZ10B-QX?
All PDZ10B-QX units undergo pre-shipment inspection (PSI). If there is an issue with PDZ10B-QX, 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 PDZ10B-QX part is unused and in its original packaging.
Return procedure for PDZ10B-QX:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
PDZ10B-QX Tags
-
MMBZ5240B-7-F
Diodes Incorporated
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BZT52C5V6T-7
Diodes Incorporated
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MMSZ5231B-7-F
Diodes Incorporated
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BZT52C15-7-F
Diodes Incorporated
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BZX84C3V3LT1G
onsemi
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MMSZ5245BS-7-F
Diodes Incorporated
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MMSZ4682T1G
onsemi
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BZT52C15S-7-F
Diodes Incorporated
-
MM5Z5V1ST1G
onsemi
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SMAJ4744A-TP
Micro Commercial Co
-
BZT52C3V6LP-7
Diodes Incorporated
-
SMAZ12-13-F
Diodes Incorporated
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