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Diodes Incorporated BZT52C2V0TQ-7-F
- Part No.:
- BZT52C2V0TQ-7-F
- Manufacturer:
- Diodes Incorporated
- Category:
- Single Zener Diodes
- Package:
- SC-79, SOD-523
- Datasheet:
-
BZT52C2V0TQ-7-F.pdf
- Description:
- DIODE ZENER 2V 300MW SOD523
- Quantity:
- Payment:
- Shipping:
Inventory:2,360
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Product details
Overview
BZT52C2V0TQ-7-F from Diodes Incorporated is a surface-mount Zener diode with nominal 2.0 V zener voltage (1.91–2.09 V at 5 mA), 300 mW power dissipation, and SOD523 package. It provides precise low-voltage regulation and reverse-biased voltage clamping in space-constrained automotive and industrial power management circuits.
For engineers reviewing the BZT52C2V0TQ-7-F datasheet, BZT52C2V0TQ-7-F pinout, BZT52C2V0TQ-7-F application, or BZT52C2V0TQ-7-F equivalent, key selection criteria include zener voltage tolerance (±4.5%), low thermal resistance (417 °C/W), cathode-band polarity marking, and AEC-Q200 readiness via Q-suffix qualification path.
Technical Context
This device operates as a two-terminal voltage reference in reverse breakdown mode, with specified test current of 5 mA and maximum zener impedance of 100 Ω at 1 kHz. Its temperature coefficient is -3.5 mV/°C, indicating predictable negative drift over -55 to +150 °C operating range.
The SOD523 package enables high-power-density mounting on FR-4 PCBs with 2 oz copper, supporting 300 mW dissipation at 25 °C ambient and derated linearly above 25 °C per Fig. 1. Reverse leakage remains ≤150 µA at 1.0 V VR, confirming stable low-voltage clamping behavior.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Zener Voltage (VZ) | 2.0 V nominal, 1.91–2.09 V range at 5 mA - ensures tight low-voltage reference for 2.5 V rail monitoring or biasing. |
| Power Dissipation (PD) | 300 mW - supports continuous regulation in compact PCB layouts without forced cooling. |
| Zener Impedance (ZZT) | 100 Ω max at 1 kHz - limits AC ripple sensitivity in feedback paths and reference nodes. |
| Reverse Leakage (IR) | ≤150 µA at VR = 1.0 V - guarantees minimal quiescent current draw in always-on sensing circuits. |
| Thermal Resistance (RθJA) | 417 °C/W - defines junction-to-ambient rise under standard FR-4 mounting; critical for thermal margin calculation. |
| Operating Temperature | -55 to +150 °C - validated for under-hood automotive and industrial control environments. |
Pinout & Package
Package: SOD523 - ultra-compact surface-mount plastic package (1.25 mm × 0.85 mm × 0.65 mm), matte tin-plated alloy 42 leadframe, cathode band marking on top surface.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Forward conduction terminal / Zener cathode reference ground | Connected to lower-potential node in clamp/regulator configuration; forms reference return path. |
| Cathode | Zener breakdown terminal / voltage reference output | Marked by visible band; supplies regulated voltage when reverse-biased above VZ. |
Key Features
| Feature | Design Value |
|---|---|
| Low-profile SOD523 package | Enables placement in <1.0 mm board height constraints while maintaining 300 mW rating. |
| AEC-Q200 capable (Q-suffix) | Qualified for automotive applications via IATF 16949 manufacturing and PPAP support. |
| Halogen- and antimony-free "Green" compound | Meets RoHS 3 (2015/863/EU) with Br+Cl <1500 ppm and Sb <1000 ppm - compliant for eco-sensitive designs. |
| Cathode band polarity marking | Unambiguous visual identification on top surface - prevents orientation errors during automated assembly. |
Applications
| Automotive Body Control Module (BCM) | Industrial Sensor Signal Conditioning |
|---|---|
Use Scenario: Voltage clamping on LIN bus transceiver supply lines exposed to load-dump transients. IC Role / Device Role / Timing Role: Low-voltage Zener clamp protecting 3.3 V LDO input against >2.5 V overvoltage events. Use Value: Prevents LDO damage with 150 µA leakage at 1.0 V, enabling fail-safe operation below system reset threshold. |
Use Scenario: Reference stabilization for 12-bit ADC inputs measuring 0–2.0 V thermistor outputs. IC Role / Device Role / Timing Role: Precision 2.0 V shunt reference replacing higher-cost bandgap ICs in cost-sensitive analog front ends. Use Value: Delivers ±4.5% VZ tolerance and -3.5 mV/°C TC, reducing calibration overhead across -40 to +85 °C. |
| USB-C Power Delivery Monitoring | Smart Meter Voltage Supervisor |
Use Scenario: Overvoltage detection on VBUS sense divider outputs feeding microcontroller ADC pins. IC Role / Device Role / Timing Role: Clamp diode limiting sensed voltage to 2.0 V to prevent MCU ADC saturation during 20 V PD faults. Use Value: 100 Ω ZZT ensures minimal loading error on high-impedance divider networks. |
Use Scenario: Brown-out detection circuit triggering reset when 3.3 V system rail drops below 2.0 V threshold. IC Role / Device Role / Timing Role: Shunt-based undervoltage monitor with defined 2.0 V trip point and hysteresis via series resistor. Use Value: -55 to +150 °C operating range ensures reliability in outdoor meter enclosures with wide ambient swings. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar Zener diode applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MMSZ4678T1G | 2.0 V nominal, SOD-123 package (2.7 × 1.4 mm), 500 mW PD, 150 Ω ZZT | Larger footprint; higher power but less suitable for ultra-dense layouts | Select when board space allows larger package and higher dissipation is required. |
| BZX384-B2V0,115 | 2.0 V nominal, SOT-23 package (3.0 × 1.4 mm), 300 mW PD, 120 Ω ZZT, ±5% tolerance | Three-terminal SOT-23 footprint; requires different land pattern and pick-and-place setup | Choose if existing SOT-23 tooling exists and cathode/anode polarity alignment matches legacy design. |
Compared with MMSZ4678T1G and BZX384-B2V0,115, BZT52C2V0TQ-7-F offers the smallest footprint (SOD523), tightest VZ tolerance (±4.5%), and automotive-qualified Q-suffix option - making it optimal for next-gen compact, high-reliability systems where board area and qualification traceability are critical.
Availability
BZT52C2V0TQ-7-F is available at Aetrix Electronics and suitable for automotive body electronics, industrial sensor interfaces, USB-C power monitoring, and smart metering applications requiring stable component supply and AEC-Q200-aligned sourcing.
Supply support for BZT52C2V0TQ-7-F 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.
The BZT52 series belongs to Diodes' precision Zener diode product line, engineered specifically for low-voltage regulation, voltage reference, and transient suppression in space-constrained and automotive-grade applications.
FAQ
What is the maximum reverse voltage (VR) this Zener diode can withstand before breakdown?
The BZT52C2V0TQ-7-F has a nominal zener voltage of 2.0 V, tested at 5 mA. Its reverse breakdown occurs within the specified 1.91–2.09 V range. At VR = 1.0 V, reverse leakage is guaranteed ≤150 µA; sustained reverse voltage above 2.09 V initiates controlled breakdown per JEDEC-defined Zener characteristics.
Is this part qualified for automotive use, and what certifications apply?
Yes - the "Q" suffix denotes automotive qualification path. While BZT52C2V0TQ-7-F itself is not pre-certified, Diodes offers Q-suffix variants qualified to AEC-Q200, manufactured in IATF 16949 facilities, and PPAP-capable. Full qualification documentation is available upon request for automotive program engagement.
How does the SOD523 package affect thermal performance compared to SOD-123?
The SOD523 package has higher thermal resistance: RθJA = 417 °C/W versus ~250 °C/W for SOD-123. This reflects its smaller pad area (1.92 mm² vs ~6 mm²). Derating must follow Fig. 1 - power drops to ~200 mW at 85 °C ambient - making it suitable for low-duty-cycle or low-power clamping, not continuous high-current regulation.
Can this Zener diode be used as a voltage reference in precision analog circuits?
It can serve as a basic reference in non-critical applications, with ±4.5% VZ tolerance and -3.5 mV/°C temperature coefficient. However, it lacks the stability, low noise, and curvature correction of dedicated voltage reference ICs. Use only where 2% absolute accuracy and 50 ppm/°C drift are acceptable - e.g., supervisory thresholds, not 16-bit DAC references.
BZT52C2V0TQ-7-F Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Diodes Incorporated
- Series:
- -
- Package/Case:
- SC-79, SOD-523
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Voltage - Zener (Nom) (Vz):
- 2 V
- Tolerance:
- ±4.5%
- Power - Max:
- 300 mW
- Impedance (Max) (Zzt):
- 100 Ohms
- Current - Reverse Leakage @ Vr:
- 150 µA @ 1 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-523
BZT52C2V0TQ-7-F FAQ
1.How can I place an order for BZT52C2V0TQ-7-F through Aetrix?
Please submit a Request for Quotation (RFQ) for BZT52C2V0TQ-7-F 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 BZT52C2V0TQ-7-F reliable?
The price and inventory of BZT52C2V0TQ-7-F are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for BZT52C2V0TQ-7-F is usually 5 days.
3.What payment methods are accepted for BZT52C2V0TQ-7-F?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for BZT52C2V0TQ-7-F transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for BZT52C2V0TQ-7-F?
BZT52C2V0TQ-7-F orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your BZT52C2V0TQ-7-F 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 BZT52C2V0TQ-7-F?
For technical support, including BZT52C2V0TQ-7-F datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your BZT52C2V0TQ-7-F requirements.
6.How does Aetrix verify that BZT52C2V0TQ-7-F is sourced from the original manufacturer or authorized distributors?
All BZT52C2V0TQ-7-F 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 BZT52C2V0TQ-7-F meets industry standards.
7.What is the process for return or replacement of BZT52C2V0TQ-7-F?
All BZT52C2V0TQ-7-F units undergo pre-shipment inspection (PSI). If there is an issue with BZT52C2V0TQ-7-F, 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 BZT52C2V0TQ-7-F part is unused and in its original packaging.
Return procedure for BZT52C2V0TQ-7-F:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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