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Diodes Incorporated BZT52C13Q-7-F
- Part No.:
- BZT52C13Q-7-F
- Manufacturer:
- Diodes Incorporated
- Category:
- Single Zener Diodes
- Package:
- SOD-123
- Datasheet:
-
BZT52C13Q-7-F.pdf
- Description:
- DIODE ZENER 13V 370MW SOD123
- Quantity:
- Payment:
- Shipping:
Inventory:4,438
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Product details
Overview
BZT52C13Q-7-F from Diodes Incorporated is an AEC-Q101 qualified surface-mount Zener diode with nominal 13 V zener voltage (12.4–14.1 V range), 5 mA test current, 30 Ω maximum zener impedance at IZT, and 0.1 µA maximum reverse leakage at 11 V. It delivers precise voltage regulation in automotive power rail monitoring and ECU reference circuits.
For engineers reviewing the BZT52C13Q-7-F datasheet, BZT52C13Q-7-F pinout, BZT52C13Q-7-F application, or BZT52C13Q-7-F equivalent, key selection criteria include its SOD123 package thermal resistance (RθJA = 338 °C/W), 500 mW peak power dissipation, AEC-Q101 qualification, and tight 13 V ±4.3% tolerance under production conditions.
Technical Context
This Zener diode operates in reverse breakdown mode to clamp or regulate voltage across sensitive nodes. Its planar die construction ensures stable breakdown characteristics over temperature (−65 °C to +150 °C) and lifetime, with a −2.7 to +0.4 mV/°C temperature coefficient near 13 V.
The device is rated for 370 mW power dissipation at TA = +25 °C on FR-4 PCB with 1-inch copper pad, derating linearly above 75 °C ambient per Fig. 1. Reverse current remains ≤0.1 µA at 11 V, enabling low-power biasing in sensor interfaces and microcontroller reset circuits.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Zener Voltage (VZ) | 13 V nominal, 12.4–14.1 V min/max at 5 mA - defines clamping threshold for 12 V system rails |
| Zener Impedance (ZZT) | ≤30 Ω at 5 mA - ensures <±0.15 V regulation shift under 1 mA load variation |
| Reverse Leakage (IR) | ≤0.1 µA at 11 V - enables use in ultra-low-power wake-up and battery-monitoring circuits |
| Power Dissipation (PD) | 370 mW at TA = +25 °C - supports continuous operation in compact automotive PCB layouts |
| Thermal Resistance (RθJA) | 338 °C/W - requires minimal copper area for thermal management in SOD123 footprint |
| Operating Temperature | −65 °C to +150 °C - validated for under-hood automotive environments per AEC-Q101 |
Pinout & Package
Package: SOD123 - surface-mount plastic case (UL 94V-0), 0.010 g weight, cathode band polarity marking, matte tin-plated Alloy 42 leadframe.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Forward conduction terminal / Zener cathode reference node | Connected to lower-potential rail; forms regulated reference when cathode is biased higher |
| Cathode | Zener breakdown terminal / voltage clamp input | Connected to supply or signal node requiring clamping; cathode band identifies this terminal |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualification | Validated for automotive electronics including engine control units and body modules |
| Green construction | Halogen- and antimony-free molding compound (<900 ppm Br/Cl, <1000 ppm Sb) |
| Planar die process | Ensures repeatable Zener voltage distribution and long-term stability under thermal cycling |
| SOD123 footprint | Enables high-density placement and compatibility with standard pick-and-place equipment |
Applications
| Automotive ECU Power Monitoring | Microcontroller Reset Circuit |
|---|---|
Use Scenario: Monitoring 12 V battery rail in engine control unit to detect undervoltage faults. IC Role / Device Role / Timing Role: Zener diode provides stable 13 V reference for comparator input against which battery voltage is compared. Use Value: Tight 12.4–14.1 V tolerance ensures accurate trip point across temperature and life; AEC-Q101 rating guarantees reliability in harsh under-hood conditions. |
Use Scenario: Generating clean reset signal for ARM Cortex-M microcontroller during power-up and brownout events. IC Role / Device Role / Timing Role: Clamps reset line to 13 V while charging RC network; triggers reset when voltage falls below threshold. Use Value: Low 0.1 µA leakage minimizes RC discharge error; SOD123 package allows placement adjacent to MCU without board space penalty. |
| Industrial Sensor Signal Conditioning | USB-C Power Delivery Clamp |
Use Scenario: Protecting analog front-end of 4–20 mA current loop transmitter from transient overvoltage. IC Role / Device Role / Timing Role: Shunts surge energy to ground when input exceeds 13 V, preserving op-amp input stage integrity. Use Value: 30 Ω dynamic impedance limits clamping overshoot to <0.3 V at 10 mA surge; planar die withstands repeated transients without parameter drift. |
Use Scenario: Clamping CC1/CC2 communication lines in USB-C receptacle against ESD and hot-swap transients. IC Role / Device Role / Timing Role: Fast-acting Zener shunt that clamps line voltage to 13 V before damage occurs to USB PD controller. Use Value: SOD123 size fits within tight USB-C connector keepouts; AEC-Q101 qualification confirms robustness against 8 kV contact ESD per IEC 61000-4-2. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar Zener regulation applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MMSZ5242B-TP (Micro Commercial) | Same 13 V nominal, but ±5% tolerance (12.35–13.65 V); 100 Ω ZZT; no AEC-Q101 qualification | Limited to commercial-grade industrial controls; not suitable for automotive under-hood deployment | Select only for cost-sensitive non-automotive designs where tighter voltage tolerance and automotive qualification are unnecessary |
| BZX84-C13 (Nexperia) | 13 V nominal, ±5% tolerance; 30 Ω ZZT; AEC-Q101 qualified; SOT23 package (larger footprint, higher RθJA) | Requires more PCB area; thermal performance inferior (RθJA ≈ 375 °C/W vs. 338 °C/W) | Choose when existing SOT23 layout prevents SOD123 adoption, accepting minor thermal penalty and identical regulation performance |
Compared with MMSZ5242B-TP and BZX84-C13, BZT52C13Q-7-F uniquely combines AEC-Q101 qualification, SOD123 compactness, and 12.4–14.1 V tight tolerance-making it optimal for space-constrained automotive voltage monitoring where regulatory compliance and precision are jointly required.
Availability
BZT52C13Q-7-F is available at Aetrix Electronics and suitable for automotive ECU design, industrial sensor interface development, and USB-C power delivery protection requiring stable component supply across extended temperature ranges and long product lifecycles.
Supply support for BZT52C13Q-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, specializing in high-reliability components for automotive, industrial, and consumer markets.
The BZT52 series targets cost-effective, high-volume Zener regulation in automotive and industrial applications, emphasizing AEC-Q101 compliance, green materials, and SOD123 manufacturability for automated assembly.
FAQ
What is the maximum power dissipation of BZT52C13Q-7-F at +75°C ambient?
The device is rated for 500 mW power dissipation at TL = +75°C (lead temperature), per DS18004 Rev. 38 Section "Maximum Ratings." This reflects its capability under controlled thermal conditions with heatsinking via PCB copper, distinct from its 370 mW rating at +25°C ambient on standard FR-4.
Does BZT52C13Q-7-F have a specified capacitance value?
No capacitance value is specified in the datasheet for BZT52C13Q-7-F. Figure 5 shows typical total capacitance versus nominal Zener voltage, estimating ~15 pF for 13 V devices at 1 MHz and 1 V reverse bias-but this is not a guaranteed parameter and is omitted from Electrical Characteristics tables.
Is the cathode band orientation consistent across all BZT52C-series SOD123 packages?
Yes. All BZT52C-series diodes in SOD123 packaging-including BZT52C13Q-7-F-use a cathode band marking aligned to the top view diagram in DS18004, positioned at the end opposite the anode, matching industry-standard SOD123 polarity convention.
Can BZT52C13Q-7-F be used in place of BZT52C12Q-7-F for 12 V rail clamping?
No-BZT52C13Q-7-F has a minimum Zener voltage of 12.4 V, making it unsuitable for precise 12 V clamping where headroom below 12.4 V is required. The BZT52C12Q-7-F (11.4–12.7 V range) provides better margin for 12 V nominal systems needing reliable turn-on below 12.4 V.
BZT52C13Q-7-F Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Diodes Incorporated
- Series:
- -
- Package/Case:
- SOD-123
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Voltage - Zener (Nom) (Vz):
- 13 V
- Tolerance:
- ±6.54%
- Power - Max:
- 370 mW
- Impedance (Max) (Zzt):
- 30 Ohms
- Current - Reverse Leakage @ Vr:
- 100 nA @ 8 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-123
BZT52C13Q-7-F FAQ
1.How can I place an order for BZT52C13Q-7-F through Aetrix?
Please submit a Request for Quotation (RFQ) for BZT52C13Q-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 BZT52C13Q-7-F reliable?
The price and inventory of BZT52C13Q-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 BZT52C13Q-7-F is usually 5 days.
3.What payment methods are accepted for BZT52C13Q-7-F?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for BZT52C13Q-7-F transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for BZT52C13Q-7-F?
BZT52C13Q-7-F orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your BZT52C13Q-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 BZT52C13Q-7-F?
For technical support, including BZT52C13Q-7-F datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your BZT52C13Q-7-F requirements.
6.How does Aetrix verify that BZT52C13Q-7-F is sourced from the original manufacturer or authorized distributors?
All BZT52C13Q-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 BZT52C13Q-7-F meets industry standards.
7.What is the process for return or replacement of BZT52C13Q-7-F?
All BZT52C13Q-7-F units undergo pre-shipment inspection (PSI). If there is an issue with BZT52C13Q-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 BZT52C13Q-7-F part is unused and in its original packaging.
Return procedure for BZT52C13Q-7-F:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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