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Nexperia USA Inc. HPZR-C8V8-QX
- Part No.:
- HPZR-C8V8-QX
- Manufacturer:
- Nexperia USA Inc.
- Category:
- Single Zener Diodes
- Package:
- SOD-123W
- Datasheet:
-
HPZR-C8V8-QX.pdf
- Description:
- DIODE ZENER 8.8V 682MW SOD123W
- Quantity:
- Payment:
- Shipping:
Inventory:2,982
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Product details
Overview
HPZR-C8V8-QX from Nexperia is a high-power Zener voltage regulator diode in CFP3 (SOD123W) package, designed for precision voltage clamping and regulation at 8.8 V nominal working voltage with ±5 % tolerance, 50 µA max reverse current at 7.5 V, 14.84 Ω differential resistance at 20 mA, and 5.5 W total power dissipation at Tsp = 75 °C - used in automotive body control modules for ECU rail stabilization.
For engineers reviewing the HPZR-C8V8-QX datasheet, HPZR-C8V8-QX pinout, HPZR-C8V8-QX application, or HPZR-C8V8-QX equivalent, key selection criteria include its AEC-Q101 qualification, 30 kV IEC 61000-4-2 ESD rating, low-profile SMD footprint, thermal resistance of 18 K/W (junction-to-solder point), and compatibility with FR4 PCBs using standard 1 cm² cathode pad layout.
Technical Context
This device operates as a two-terminal, silicon planar Zener diode optimized for stable reverse-bias voltage regulation under transient and steady-state conditions. Its design targets DC rail protection and reference stabilization where tight voltage tolerance, high surge immunity, and automotive-grade reliability are required.
It delivers 8.33–9.21 V nominal Zener voltage at IZ = 1 mA, maintains ≤50 µA reverse leakage at VR = 7.5 V, and sustains non-repetitive peak power up to 800 W for pulses ≤100 µs - enabled by low RZ (14.84 Ω) and robust thermal coupling via cathode tab to PCB copper.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Zener Voltage (VZ) | 8.33 V min to 9.21 V max at IZ = 1 mA - defines precise clamping threshold for 8.8 V nominal rail protection |
| Reverse Current (IR) | ≤50 µA at VR = 7.5 V - ensures minimal standby power loss in always-on automotive circuits |
| Differential Resistance (RZ) | 14.84 Ω at IZ = 20 mA - enables tight regulation under dynamic load steps without significant voltage droop |
| Total Power Dissipation (Ptot) | 5500 mW at Tsp = 75 °C (zero lead length) - supports high continuous power handling on thermally optimized PCBs |
| ESD Rating | 30 kV per IEC 61000-4-2 contact discharge - protects against assembly-line and in-vehicle electrostatic events |
| Junction Temperature (Tj) | −55 °C to +175 °C - enables operation in under-hood environments with extreme thermal cycling |
| Thermal Resistance (Rth(j-sp)) | 18 K/W junction-to-solder point - allows efficient heat transfer directly from cathode tab to PCB copper pour |
Pinout & Package
HPZR-C8V8-QX uses the CFP3 (SOD123W) surface-mount plastic package: 2.6 mm × 1.7 mm × 1.0 mm body, flat lead profile, cathode marked by bar on top surface. Thermal performance relies on soldering the cathode tab (Pin 1) to ≥1 cm² copper area.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (K) | Cathode | Main heat path and voltage reference node; must be soldered to ≥1 cm² copper for rated 5.5 W dissipation |
| 2 (A) | Anode | Return path for Zener current; connects to system ground or lower-potential rail during regulation |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualified | Validated for automotive use including temperature cycling, humidity, and mechanical shock per discrete semiconductor stress test standard |
| 30 kV ESD immunity | Withstands contact discharge per IEC 61000-4-2 without parameter shift - eliminates need for external ESD protection in many nodes |
| CFP3 low-profile package | 1.0 mm height enables placement under connectors or in space-constrained ECUs while maintaining thermal performance |
| 5.5 W DC power rating | Enables single-device overvoltage clamping for 12 V systems with >400 mA surge capability (IFSM = 50 A) |
| ±5 % VZ tolerance | Reduces binning requirements and simplifies BOM management across vehicle platforms sharing same 8.8 V reference |
Applications
| Automotive Body Control Module (BCM) | Infotainment Power Rail Protection |
|---|---|
|
Use Scenario: Stabilizing 8.5–9.5 V supply rails feeding microcontroller I/O buffers and CAN transceivers in door module ECUs. IC Role / Device Role / Timing Role: Zener clamping diode providing overvoltage protection and reference voltage stabilization during load dump transients. Use Value: Prevents latch-up or damage to 3.3 V/5 V logic ICs by limiting rail excursion to ≤9.21 V with <15 Ω dynamic impedance. |
Use Scenario: Protecting audio amplifier bias supplies and display backlight drivers from battery voltage spikes in head unit designs. IC Role / Device Role / Timing Role: Fast-response voltage clamp absorbing 800 W surge energy within 100 µs to prevent downstream IC failure. Use Value: Eliminates need for TVS+Zener cascaded protection due to integrated high-energy handling and tight VZ tolerance. |
| Engine Control Unit (ECU) Sensor Reference | ADAS Camera Module Power Conditioning |
|
Use Scenario: Providing stable 8.8 V reference for analog sensor signal conditioning circuits exposed to alternator ripple and ignition noise. IC Role / Device Role / Timing Role: Precision shunt regulator maintaining reference accuracy across −40 °C to +150 °C ambient range. Use Value: Enables <±0.5 % reference stability over temperature without active regulation, reducing component count and board area. |
Use Scenario: Clamping power input to image sensor SoCs and ISP processors in rear-view and surround-view camera modules. IC Role / Device Role / Timing Role: Primary overvoltage suppression device placed at camera flex cable entry point on main PCB. Use Value: Survives repeated 30 kV ESD events during service and maintains regulation after 50 A surge pulses per ISO 7637-2 Pulse 5a. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar Zener regulation applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| BZX84-C8V2 | Lower power (300 mW), SOT23 package, VZ = 8.2 V ±5 %, RZ = 13.25 Ω | Not AEC-Q101 qualified; limited to non-automotive consumer or industrial use | Select only for cost-sensitive, low-power applications where thermal derating and surge immunity are not critical |
| MMSZ5236B | 500 mW, SOD-123, VZ = 8.2 V ±5 %, RZ = 15 Ω, no AEC-Q101 or 30 kV ESD rating | Lacks automotive qualification and high-energy surge capability - unsuitable for load dump protection | Use only in benign environments with controlled ESD and <100 mA steady-state current |
Compared with BZX84-C8V2 and MMSZ5236B, HPZR-C8V8-QX provides 18× higher DC power rating, AEC-Q101 compliance, and 60× greater ESD immunity - making it the sole viable option for under-hood 12 V rail clamping where thermal margin and transient survivability are mandatory.
Availability
HPZR-C8V8-QX is available at Aetrix Electronics and suitable for automotive body control modules, infotainment power protection, engine control unit sensor references, and ADAS camera module power conditioning requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for HPZR-C8V8-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 focused on high-volume, high-reliability discrete and logic devices, with leadership in automotive-qualified components and advanced packaging technologies.
The HPZR-Q series is part of Nexperia's high-power Zener regulator product line, engineered specifically for automotive voltage rail stabilization where AEC-Q101 compliance, high surge energy absorption, and low-profile SMD integration are essential.
FAQ
What is the maximum continuous power dissipation for HPZR-C8V8-QX on a standard FR4 PCB?
HPZR-C8V8-QX delivers 1154 mW total power dissipation when mounted on an FR4 PCB with single-sided copper and tin-plated 1 cm² cathode pad at Tamb ≤ 25 °C. At elevated temperatures, derating applies: full 5500 mW is achievable only at Tsp = 75 °C with zero lead length measurement condition and optimal thermal pad layout.
Does HPZR-C8V8-QX require external current-limiting resistors in typical regulation circuits?
Yes - like all Zener diodes, HPZR-C8V8-QX requires a series current-limiting resistor to set operating current within its specified IZ range (1 mA typical for VZ specification). The resistor value is calculated based on source voltage, desired Zener current, and worst-case VZ tolerance to ensure stable regulation without exceeding Ptot.
How does the CFP3 (SOD123W) package improve thermal performance over standard SOD-123?
The CFP3 variant features an extended cathode tab that increases copper contact area and reduces thermal resistance to 18 K/W (junction-to-solder point), versus ~50–60 K/W for standard SOD-123. This enables 5.5 W DC dissipation - nearly 5× higher than conventional packages - by directing heat directly into the PCB copper pour rather than through leads.
Can HPZR-C8V8-QX replace older Zener diodes like BZX84-C8V2 in existing automotive designs?
No - HPZR-C8V8-QX is not a drop-in replacement due to different VZ (8.8 V vs. 8.2 V), higher power rating, and distinct thermal mounting requirements. Redesign is required to accommodate its 1 cm² cathode pad, updated footprint, and revised current-limiting calculations for 5.5 W operation.
HPZR-C8V8-QX Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Nexperia USA Inc.
- Series:
- HPZR-Q
- Package/Case:
- SOD-123W
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Voltage - Zener (Nom) (Vz):
- 8.8 V
- Tolerance:
- ±5%
- Power - Max:
- 682 mW
- Impedance (Max) (Zzt):
- 14.84 Ohms
- Current - Reverse Leakage @ Vr:
- 50 µA @ 7.5 V
- Voltage - Forward (Vf) (Max) @ If:
- 1 V @ 100 mA
- Operating Temperature:
- 175°C (TJ)
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOD-123W
HPZR-C8V8-QX FAQ
1.How can I place an order for HPZR-C8V8-QX through Aetrix?
Please submit a Request for Quotation (RFQ) for HPZR-C8V8-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 HPZR-C8V8-QX reliable?
The price and inventory of HPZR-C8V8-QX are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for HPZR-C8V8-QX is usually 5 days.
3.What payment methods are accepted for HPZR-C8V8-QX?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for HPZR-C8V8-QX transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for HPZR-C8V8-QX?
HPZR-C8V8-QX orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your HPZR-C8V8-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 HPZR-C8V8-QX?
For technical support, including HPZR-C8V8-QX datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your HPZR-C8V8-QX requirements.
6.How does Aetrix verify that HPZR-C8V8-QX is sourced from the original manufacturer or authorized distributors?
All HPZR-C8V8-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 HPZR-C8V8-QX meets industry standards.
7.What is the process for return or replacement of HPZR-C8V8-QX?
All HPZR-C8V8-QX units undergo pre-shipment inspection (PSI). If there is an issue with HPZR-C8V8-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 HPZR-C8V8-QX part is unused and in its original packaging.
Return procedure for HPZR-C8V8-QX:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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