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Nexperia USA Inc. PZU84-C9V1-QR
- Part No.:
- PZU84-C9V1-QR
- Manufacturer:
- Nexperia USA Inc.
- Category:
- Single Zener Diodes
- Package:
- TO-236-3, SC-59, SOT-23-3
- Datasheet:
-
PZU84-C9V1-QR.pdf
- Description:
- DIODE ZENER 9.06V 250MW TO236AB
- Quantity:
- Payment:
- Shipping:
Inventory:9,443
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Product details
Overview
PZU84-C9V1-QR from Nexperia is a ±2 % tolerance Zener voltage regulator diode in SOT23 package, rated for 9.1 V nominal breakdown voltage at 5 mA, with 6 Ω typical differential resistance, 3.8 mV/K temperature coefficient, and 120 pF capacitance at 1 MHz; used for precision voltage reference and overvoltage protection in automotive power rails.
For engineers reviewing the PZU84-C9V1-QR datasheet, PZU84-C9V1-QR pinout, PZU84-C9V1-QR application, or PZU84-C9V1-QR equivalent, key selection criteria include Zener voltage tolerance, dynamic impedance at low current, leakage behavior under reverse bias, thermal resistance to ambient (500 K/W), and AEC-Q101 qualification status for automotive deployment.
Technical Context
This device operates as a two-terminal shunt regulator, maintaining stable 9.1 V output across load variations by conducting reverse current above its precise Zener knee. Its hard breakdown characteristic ensures minimal voltage drift under transient surges up to 40 W non-repetitive peak power.
Designed for automotive-grade reliability, it features intentional low leakage (<0.5 μA at VR = 6 V) and optimized noise performance per AN90031, distinguishing it from higher-leakage variants like PZU84-B11-Q to -C51-Q intended for fast-switching roles.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Zener Voltage VZ | 8.56 V to 9.55 V at IZ = 5 mA - defines regulation window for stable reference in 12 V automotive systems |
| Differential Resistance rdif | 60 Ω max at IZ = 5 mA - determines output voltage stability under load current changes |
| Temperature Coefficient SZ | +3.8 mV/K - quantifies voltage drift per degree Celsius rise, critical for thermal design margining |
| Reverse Current IR | ≤0.5 μA at VR = 6 V - ensures minimal standby power loss in always-on circuits |
| Capacitance Cd | 120 pF at f = 1 MHz, VR = 0 V - impacts high-frequency noise filtering and signal integrity in analog sensing paths |
| Total Power Dissipation Ptot | 250 mW at Tamb = 25 °C on FR4 PCB - sets maximum continuous power handling without derating |
| Junction Temperature Tj | −55 °C to +150 °C - enables operation in under-hood automotive environments |
Pinout & Package
SOT23 plastic surface-mounted package (2.9 mm × 1.3 mm × 1.0 mm body, 1.9 mm pin pitch); thermally optimized for FR4 PCB with single-sided 70 μm copper trace.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | Anode (A) | Forward-biased terminal; connects to lower-potential node in shunt regulation configuration |
| 2 | Not Connected (n.c.) | Internally unconnected; must remain floating-no PCB trace or solder joint allowed |
| 3 | Cathode (K) | Zener breakdown terminal; ties to regulated voltage rail and provides thermal path via cathode tab |
Key Features
| Feature | Design Value |
|---|---|
| ±2 % Zener voltage tolerance | Enables tight regulation in safety-critical automotive subsystems without post-manufacturing trimming |
| AEC-Q101 qualified | Validated for automotive use including temperature cycling, humidity testing, and mechanical shock per discrete semiconductor stress standards |
| Hard breakdown knee | Ensures predictable turn-on behavior at 9.1 V with minimal hysteresis-critical for ESD clamp consistency |
| Low dynamic impedance (60 Ω max) | Maintains <±10 mV output deviation across 1–10 mA load current swings in feedback loops |
| Thermal resistance Rth(j-a) | 500 K/W in free air-supports passive thermal management in space-constrained ECUs |
Applications
| Automotive Body Control Module (BCM) | Infotainment Power Sequencing |
|---|---|
Use Scenario: Stabilizing 9.1 V reference for microcontroller reset circuitry during cold-crank battery dips. IC Role / Device Role / Timing Role: Shunt voltage reference providing accurate threshold for POR (Power-On Reset) logic. Use Value: Maintains reset assertion within ±20 mV over −40 °C to +125 °C, preventing spurious MCU reboots. |
Use Scenario: Clamping auxiliary 12 V rail against load-dump transients in head unit power supply. IC Role / Device Role / Timing Role: Fast-acting overvoltage protector absorbing surge energy before downstream DC-DC converters. Use Value: Withstands 40 W non-repetitive pulses (100 μs), limiting rail overshoot to <13.5 V during ISO 7637-2 Pulse 5a events. |
| ADAS Camera Sensor Biasing | Electric Power Steering (EPS) Feedback Reference |
Use Scenario: Generating stable bias voltage for CMOS image sensor analog front-end stages. IC Role / Device Role / Timing Role: Low-noise Zener reference minimizing flicker noise injection into pixel readout paths. Use Value: 120 pF capacitance and <0.5 μA leakage suppress high-frequency coupling while preserving SNR >68 dB. |
Use Scenario: Providing calibrated reference for torque sensor Wheatstone bridge excitation in EPS motor control. IC Role / Device Role / Timing Role: Precision voltage source enabling <±0.5 % torque measurement accuracy across temperature. Use Value: ±2 % VZ tolerance and +3.8 mV/K TC allow full-range calibration with ≤0.15 % total error after linear compensation. |
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-C9V1,115 | Same SOT23 package, ±5 % tolerance, 90 Ω max rdif, 130 pF capacitance | Higher voltage drift and impedance reduce accuracy in precision references | Select when cost sensitivity outweighs regulation tightness; not recommended for AEC-Q101 systems |
| MMSZ5240B-TP | SOD-123 package, ±5 % tolerance, 150 Ω rdif, 30 pF capacitance, 500 mW Ptot | Larger footprint and looser tolerance limit use in compact automotive modules | Prefer only if higher power dissipation (500 mW) is required and board area permits SOD-123 layout |
Compared with BZX84-C9V1,115 and MMSZ5240B-TP, PZU84-C9V1-QR delivers tighter voltage control (±2 % vs. ±5 %), lower dynamic impedance (60 Ω vs. ≥90 Ω), and automotive qualification-making it the sole choice for ASIL-B–aligned voltage supervision in engine control units.
Availability
PZU84-C9V1-QR is available at Aetrix Electronics and suitable for automotive body electronics, ADAS sensor biasing, and electric power steering systems requiring stable component supply with guaranteed long-term continuity.
Supply support for PZU84-C9V1-QR 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 essential efficiency technologies, delivering high-performance, reliable discrete and logic devices for automotive, industrial, and consumer markets.
PZU84-Q series belongs to Nexperia's AEC-Q101–qualified Zener regulator portfolio, engineered specifically for robust voltage reference and transient suppression in harsh automotive environments.
FAQ
What is the maximum non-repetitive peak reverse power the PZU84-C9V1-QR can withstand?
The PZU84-C9V1-QR supports up to 40 W of non-repetitive peak reverse power dissipation for pulse durations of 100 μs under square-wave conditions with junction temperature at 25 °C prior to surge. This rating enables effective clamping of ISO 7637-2 load-dump transients without degradation.
How does the "n.c." pin (Pin 2) affect PCB layout?
Pin 2 is internally not connected and must remain electrically isolated-no copper trace, solder mask opening, or thermal pad should contact it. Routing traces near Pin 2 is permissible, but bridging or soldering to it will compromise device functionality and may cause open-circuit failure in regulation paths.
Is PZU84-C9V1-QR suitable for use in 48 V mild-hybrid vehicle systems?
No-PZU84-C9V1-QR is rated for 9.1 V nominal Zener voltage and 250 mW continuous power; it is designed for 12 V automotive subsystems such as BCMs and infotainment. For 48 V architectures, Nexperia offers higher-voltage variants like PZU84-C47-Q (47 V) or dedicated TVS arrays.
What is the significance of the "-QR" suffix in the part number?
The "-QR" suffix denotes tape-and-reel packaging per standard SOT23 carrier tape (EIA-481 compliant), with 3,000 units per reel and moisture sensitivity level (MSL) 1-enabling direct placement on automated SMT lines without baking or special handling prior to reflow.
PZU84-C9V1-QR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Nexperia USA Inc.
- Series:
- PZU84-Q
- Package/Case:
- TO-236-3, SC-59, SOT-23-3
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Voltage - Zener (Nom) (Vz):
- 9.06 V
- Tolerance:
- ±5.46%
- Power - Max:
- 250 mW
- Impedance (Max) (Zzt):
- 10 Ohms
- Current - Reverse Leakage @ Vr:
- 500 nA @ 500 mV
- Voltage - Forward (Vf) (Max) @ If:
- 900 mV @ 10 mA
- Operating Temperature:
- 150°C (TJ)
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- TO-236AB
PZU84-C9V1-QR FAQ
1.How can I place an order for PZU84-C9V1-QR through Aetrix?
Please submit a Request for Quotation (RFQ) for PZU84-C9V1-QR 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 PZU84-C9V1-QR reliable?
The price and inventory of PZU84-C9V1-QR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for PZU84-C9V1-QR is usually 5 days.
3.What payment methods are accepted for PZU84-C9V1-QR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for PZU84-C9V1-QR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for PZU84-C9V1-QR?
PZU84-C9V1-QR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your PZU84-C9V1-QR 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 PZU84-C9V1-QR?
For technical support, including PZU84-C9V1-QR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your PZU84-C9V1-QR requirements.
6.How does Aetrix verify that PZU84-C9V1-QR is sourced from the original manufacturer or authorized distributors?
All PZU84-C9V1-QR 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 PZU84-C9V1-QR meets industry standards.
7.What is the process for return or replacement of PZU84-C9V1-QR?
All PZU84-C9V1-QR units undergo pre-shipment inspection (PSI). If there is an issue with PZU84-C9V1-QR, 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 PZU84-C9V1-QR part is unused and in its original packaging.
Return procedure for PZU84-C9V1-QR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
PZU84-C9V1-QR Tags
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