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Diodes Incorporated BZT52HC10WFQ-7
- Part No.:
- BZT52HC10WFQ-7
- Manufacturer:
- Diodes Incorporated
- Category:
- Single Zener Diodes
- Package:
- SOD-123F
- Datasheet:
-
BZT52HC10WFQ-7.pdf
- Description:
- DIODE ZENER 10V 375MW SOD123F
- Quantity:
- Payment:
- Shipping:
Inventory:6,443
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Product details
Overview
BZT52HC10WFQ from Diodes Incorporated is a surface-mount Zener diode with nominal zener voltage 10 V (9.4–10.6 V), 5 mA test current, 10 Ω maximum zener impedance at IZT, and ±0.2 µA maximum reverse leakage at 7 V. It is AEC-Q101 qualified, RoHS-compliant, and packaged in SOD123F for automotive voltage regulation and ESD protection.
For engineers reviewing the BZT52HC10WFQ datasheet, BZT52HC10WFQ pinout, BZT52HC10WFQ application, or BZT52HC10WFQ equivalent, key selection factors include its 10 V regulation tolerance, low 90 pF capacitance at 0 V, 4.5 to 8.0 mV/°C temperature coefficient, and suitability for precision biasing in engine control units and ADAS sensor interfaces.
Technical Context
This Zener diode operates in reverse breakdown to maintain stable reference voltage under varying load and temperature conditions. Its 10 V nominal zener voltage is specified at 5 mA test current, with tight 9.4–10.6 V tolerance and low dynamic impedance (10 Ω @ 5 mA) ensuring minimal regulation deviation during transient current changes.
The device exhibits a positive temperature coefficient of +4.5 to +8.0 mV/°C, enabling predictable drift compensation in multi-stage references. Its 90 pF junction capacitance at 0 V and 0.2 µA reverse leakage at 7 V support high-frequency noise suppression and low-power standby operation in automotive microcontroller supply rails.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Zener Voltage (VZ) | 9.4–10.6 V at IZT = 5 mA - defines regulation window for 10 V reference circuits |
| Zener Impedance (ZZT) | 10 Ω max @ 5 mA - ensures <±50 mV output shift under ±0.5 mA load variation |
| Reverse Leakage (IR) | 0.2 µA max @ VR = 7 V - enables ultra-low quiescent current in always-on monitoring circuits |
| Junction Capacitance (CT) | 90 pF max @ f = 1 MHz, VR = 0 V - supports ESD clamping without degrading signal integrity above 100 MHz |
| Power Dissipation (PD) | 830 mW max on 1 cm² cathode pad - allows sustained 83 mA regulation at 10 V in thermally enhanced layouts |
| Temperature Coefficient (TC) | +4.5 to +8.0 mV/°C @ IZT = 5 mA - enables predictable thermal drift modeling in engine bay environments |
| AEC-Q101 Qualified | Validated for automotive use - meets stress testing requirements for temperature cycling, HTRB, and ESD per AEC standard |
Pinout & Package
Package: SOD123F - flat-lead, low-profile surface-mount package with cathode band marking; molded green plastic (UL 94V-0), 0.015 g weight, moisture sensitivity level 1.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Forward conduction terminal / Zener cathode reference ground | Connected to system ground or lower-potential node; forms reference return path in shunt regulator topology |
| Cathode | Zener breakdown terminal / regulated output node | Connected to input rail; sinks current to clamp voltage at 10 V; marked by visible band on package body |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualification | Validated for automotive powertrain and ADAS applications with full PPAP documentation support |
| SOD123F low-profile package | 1.8 mm width × 2.7 mm length × 1.0 mm height - enables placement near high-density MCU power pins |
| Halogen- and antimony-free "Green" construction | <900 ppm Br, <900 ppm Cl, <1000 ppm Sb - complies with automotive OEM environmental material declarations |
| Matte tin annealed terminals | Solderable per MIL-STD-202 Method 208 - ensures reliable reflow joint formation on FR-4 and high-Tg PCBs |
| 150 °C/W thermal resistance (J-A) | Enables 830 mW dissipation with ≤125 °C junction rise on 1 cm² copper pad - supports under-hood operation |
Applications
| Engine Control Unit (ECU) Reference | ADAS Camera Power Rail Clamp |
|---|---|
Use Scenario: Stabilizing 10 V reference for analog-to-digital converters in diesel ECU mainboard. IC Role / Device Role / Timing Role: Shunt voltage regulator providing precise bias to op-amps and ADC front-ends. Use Value: Tight 9.4–10.6 V tolerance and 10 Ω ZZT ensure ADC accuracy remains within ±0.1% FS over -40°C to +125°C. |
Use Scenario: Clamping 12 V camera module power rail against load dump transients in surround-view systems. IC Role / Device Role / Timing Role: Fast-response overvoltage protector placed parallel to LDO input capacitor. Use Value: 90 pF capacitance avoids signal distortion on MIPI CSI-2 clock lines; 0.2 µA leakage preserves sleep-mode current budget. |
| Infotainment System Bias Supply | Body Control Module (BCM) Sensor Interface |
Use Scenario: Generating stable 10 V bias for audio codec DACs and RF tuner PLLs in head unit design. IC Role / Device Role / Timing Role: Precision voltage reference source for analog subsystems requiring low-noise DC bias. Use Value: +4.5 to +8.0 mV/°C TC allows predictable calibration offset correction across cabin temperature range. |
Use Scenario: Regulating 10 V supply for Hall-effect position sensors in door latch and seat motor modules. IC Role / Device Role / Timing Role: Low-power shunt regulator maintaining sensor excitation voltage during battery brownout events. Use Value: 830 mW rating supports 83 mA continuous regulation; SOD123F footprint fits constrained BCM PCB real estate. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar Zener diode voltage regulation applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MMBZ5240BS-7-F (Diodes Inc.) | Same 10 V nominal, but SOT-323 package; 15 Ω ZZT; 100 pF CT; 300 mW PD | Lower power handling and higher capacitance limit use to non-transient, low-current biasing only | Select when board space is critical and thermal load <300 mW; avoid for load-dump clamping |
| BZX84-C10 (Nexperia) | 10 V nominal, SOT-23; 20 Ω ZZT; 150 pF CT; AEC-Q101 qualified; 365 mW PD | Higher impedance and capacitance reduce regulation stability in fast-switching or RF-adjacent circuits | Prefer for cost-sensitive non-safety-critical modules where 365 mW suffices and layout density permits SOT-23 |
Compared with MMBZ5240BS-7-F and BZX84-C10, BZT52HC10WFQ delivers superior thermal performance (830 mW), lower dynamic impedance (10 Ω), and reduced capacitance (90 pF), making it the optimal choice for automotive power rail stabilization where reliability and transient response are critical.
Availability
BZT52HC10WFQ is available at Aetrix Electronics and suitable for engine control units, ADAS camera modules, infotainment bias supplies, and body control module sensor interfaces requiring stable component supply across automotive production lifecycles.
Supply support for BZT52HC10WFQ 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
Diodes Incorporated is a global manufacturer of discrete semiconductors and analog ICs, headquartered in Plano, Texas, with design, manufacturing, and sales operations across Asia, Europe, and North America.
This part belongs to the BZT52HC series of automotive-grade Zener diodes, engineered specifically for voltage regulation and transient suppression in harsh-environment vehicle electronics, with emphasis on AEC-Q101 compliance and thermal robustness.
FAQ
What is the maximum continuous power dissipation for BZT52HC10WFQ under standard PCB mounting?
The BZT52HC10WFQ delivers 830 mW maximum power dissipation when mounted on an FR-4 PCB with a 1 cm² copper pad connected to the cathode terminal. This rating assumes ambient temperature ≤75°C and accounts for thermal resistance of 150 °C/W from junction to ambient. Derating is required above 75°C per the published power derating curve.
How does the temperature coefficient affect regulation accuracy over automotive temperature ranges?
With a temperature coefficient of +4.5 to +8.0 mV/°C, the BZT52HC10WFQ's zener voltage increases linearly with temperature. Over -40°C to +125°C, this results in a total drift of +73.5 to +132 mV - approximately +0.7% to +1.3% of nominal 10 V. System-level calibration or complementary TC components are recommended for sub-0.5% accuracy requirements.
Is the SOD123F package compatible with standard reflow soldering profiles?
Yes - the SOD123F package uses matte tin-annealed terminals compliant with MIL-STD-202 Method 208 and supports industry-standard lead-free reflow profiles (peak 260°C, 60-second duration). Its moisture sensitivity level 1 eliminates bake requirements prior to assembly, and UL 94V-0 molding compound withstands thermal cycling without delamination.
Can BZT52HC10WFQ replace older BZT52C10 variants in existing designs?
Yes, with verification of layout thermal relief - BZT52HC10WFQ offers identical electrical specs to BZT52C10 but in the thinner SOD123F package (vs. SOD-123) and with enhanced AEC-Q101 qualification. The cathode band marking and pinout are identical, and the improved thermal resistance (150 vs. 330 °C/W) allows higher power operation without board redesign.
BZT52HC10WFQ-7 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Diodes Incorporated
- Series:
- -
- Package/Case:
- SOD-123F
- Packaging:
- Bulk
- Product Status:
- Active
- Voltage - Zener (Nom) (Vz):
- 10 V
- Tolerance:
- ±6%
- Power - Max:
- 375 mW
- Impedance (Max) (Zzt):
- 10 Ohms
- Current - Reverse Leakage @ Vr:
- 200 nA @ 7 V
- Voltage - Forward (Vf) (Max) @ If:
- 900 mV @ 10 mA
- Operating Temperature:
- -65°C ~ 150°C (TJ)
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOD-123F
BZT52HC10WFQ-7 FAQ
1.How can I place an order for BZT52HC10WFQ-7 through Aetrix?
Please submit a Request for Quotation (RFQ) for BZT52HC10WFQ-7 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 BZT52HC10WFQ-7 reliable?
The price and inventory of BZT52HC10WFQ-7 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for BZT52HC10WFQ-7 is usually 5 days.
3.What payment methods are accepted for BZT52HC10WFQ-7?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for BZT52HC10WFQ-7 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for BZT52HC10WFQ-7?
BZT52HC10WFQ-7 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your BZT52HC10WFQ-7 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 BZT52HC10WFQ-7?
For technical support, including BZT52HC10WFQ-7 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your BZT52HC10WFQ-7 requirements.
6.How does Aetrix verify that BZT52HC10WFQ-7 is sourced from the original manufacturer or authorized distributors?
All BZT52HC10WFQ-7 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 BZT52HC10WFQ-7 meets industry standards.
7.What is the process for return or replacement of BZT52HC10WFQ-7?
All BZT52HC10WFQ-7 units undergo pre-shipment inspection (PSI). If there is an issue with BZT52HC10WFQ-7, 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 BZT52HC10WFQ-7 part is unused and in its original packaging.
Return procedure for BZT52HC10WFQ-7:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
BZT52HC10WFQ-7 Tags
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