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Home > Products > Discrete Semiconductor Products > Diodes > Zener > Single Zener Diodes

Diodes Incorporated BZT52C13S-7-F

Name: BZT52C13S-7-F
Brand: Diodes Incorporated
SKU: BZT52C13S-7-F
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: BZT52C13S-7-F

Manufacturer:: Diodes Incorporated

Category:: Single Zener Diodes

Package:: SC-76, SOD-323

Datasheet:: BZT52C13S-7-F.pdf

Description:: DIODE ZENER 13V 200MW SOD323

Quantity:: RFQ Add To RFQ list

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Inventory:6,934

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Product details

Overview

BZT52C13S-7-F from Diodes Incorporated is a surface-mount Zener diode with nominal 13 V zener voltage (12.4–14.1 V range at 5 mA), 200 mW power dissipation, and SOD323 package. It provides precise voltage regulation in low-power biasing, reference, and overvoltage protection circuits, commonly used in automotive body control modules and industrial sensor signal conditioning.

For engineers reviewing the BZT52C13S-7-F datasheet, BZT52C13S-7-F pinout, BZT52C13S-7-F application, or BZT52C13S-7-F equivalent, key selection criteria include zener voltage tolerance (±4.6%), dynamic impedance (30 Ω @ 5 mA), temperature coefficient (+7.0 to +11.0 mV/°C), reverse leakage (0.1 µA @ 10 V), and AEC-Q101 qualification for automotive reliability.

Technical Context

This Zener diode operates in reverse breakdown mode to maintain stable voltage across its terminals under varying current loads. Its planar die construction ensures consistent breakdown characteristics and low leakage, while the SOD323 package supports high-density PCB layouts and automated reflow assembly.

The device exhibits a positive temperature coefficient (+7.0 to +11.0 mV/°C) above ~5 V, enabling predictable thermal drift compensation in reference designs. It is rated for operation from –65 °C to +150 °C and qualified to AEC-Q101, confirming suitability for under-hood automotive electronics and industrial control environments.

Key Specifications

Parameter	Value and Actual Design Meaning
Zener Voltage (V_Z)	13 V nominal, 12.4–14.1 V range at I_ZT = 5 mA - defines regulation setpoint with ±4.6% tolerance
Power Dissipation (P_D)	200 mW at T_A = 25 °C - limits continuous regulation current to ~15.4 mA at 13 V
Zener Impedance (Z_ZT)	30 Ω at 1 kHz, I_ZT = 5 mA - determines output voltage variation under load transients
Reverse Leakage (I_R)	0.1 µA max at V_R = 10 V - ensures minimal quiescent current in standby bias networks
Temperature Coefficient	+7.0 to +11.0 mV/°C - enables predictable drift compensation in temperature-sensitive references
Package	SOD323 - 1.3 × 1.7 mm footprint with cathode band marking, compatible with IPC-7351B standard pads
Qualification	AEC-Q101 qualified - validated for automotive applications including engine control units and lighting drivers

Pinout & Package

SOD323 package: 2-terminal surface-mount device with cathode indicated by a band on the top surface; terminals are anode (unmarked end) and cathode (banded end); matte tin-plated alloy 42 leadframe, moisture sensitivity level 1.

Pin/Terminal	Circuit Role	Design Meaning
Anode	Forward conduction terminal / Zener cathode reference node	Connected to lower-potential side of regulation path; forms reference ground return in shunt regulator topology
Cathode	Zener breakdown terminal / Regulation output node	Connected to regulated voltage rail; sinks current to maintain stable V_Z when input exceeds threshold

Key Features

Feature	Design Value
Planar die construction	Ensures tight V_Z distribution and repeatable Z_ZT, critical for batch-consistent reference designs
AEC-Q101 qualification	Validates reliability for automotive applications including BCMs and ADAS sensor interfaces
Lead-free & halogen-free	Meets RoHS 2 and JEDEC J-STD-020 Level 1, supporting green manufacturing and long-term supply stability
Low thermal resistance	R_θJA = 625 °C/W enables operation up to +150 °C ambient without derating in compact layouts

Applications

Automotive Body Control Module (BCM)

Industrial Sensor Signal Conditioning

Use Scenario: Regulating reference voltage for microcontroller ADC inputs monitoring door lock status and interior lighting.

IC Role / Device Role / Timing Role: Shunt voltage reference providing stable 13 V bias to op-amp comparators and LDO feedback networks.

Use Value: Maintains <±1% reference accuracy over –40 to +125 °C due to AEC-Q101 validation and predictable +7–11 mV/°C TC.

Use Scenario: Clamping and biasing analog front-end circuits in 4–20 mA loop-powered pressure transmitters.

IC Role / Device Role / Timing Role: Overvoltage protector and precision bias source for instrumentation amplifiers and current-sense resistors.

Use Value: Limits transient-induced errors with 30 Ω Z_ZT and 0.1 µA I_R, ensuring <0.01% full-scale error contribution.

USB-C Power Delivery Interface

Smart Energy Meter Reference Circuit

Use Scenario: Providing stable 13 V reference for USB PD controller VBUS monitoring and fault detection logic.

IC Role / Device Role / Timing Role: Zener clamp protecting controller GPIOs and setting threshold for overvoltage interrupt generation.

Use Value: Enables fast response (<100 ns) to 15 V transients while consuming <1 µA standby current.

Use Scenario: Generating precision bias for metrology-grade ADCs measuring grid voltage harmonics and phase angles.

IC Role / Device Role / Timing Role: Low-drift shunt reference stabilizing internal bandgap and calibration DACs.

Use Value: Delivers <50 ppm/°C effective TC via matched thermal design, meeting IEC 62053-22 Class 0.2 accuracy requirements.

Equivalent & Alternatives

The following parts are listed as comparable options for similar Zener regulation applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
MMSZ5243B-7-F	Same 13 V nominal rating but higher Z_ZT (40 Ω), lower P_D (350 mW), SOD123 package	Larger footprint; less suitable for ultra-dense automotive PCBs	Select when higher power margin is needed and board space allows SOD123
BZX84-C13	13 V rating, SOT23 package, 350 mW P_D, but not AEC-Q101 qualified	Not approved for automotive use; requires additional qualification effort	Select only for non-automotive industrial or consumer applications where qualification is not required

Compared with MMSZ5243B-7-F and BZX84-C13, BZT52C13S-7-F offers tighter voltage tolerance (±4.6% vs ±5%), smaller SOD323 footprint, and built-in AEC-Q101 compliance-making it optimal for space-constrained, automotive-grade voltage reference designs without added validation overhead.

Availability

BZT52C13S-7-F is available at Aetrix Electronics and suitable for automotive body control modules, industrial sensor signal conditioning, and smart energy meter reference circuits requiring stable component supply and long-term lifecycle support.

Supply support for BZT52C13S-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 computing markets.

The BZT52C series belongs to Diodes' AEC-Q101-qualified Zener diode product line, engineered specifically for precision voltage regulation and overvoltage protection in harsh-environment automotive electronics.

FAQ

What is the maximum reverse current at 10 V for BZT52C13S-7-F?

The maximum reverse leakage current is 0.1 µA at V_R = 10 V and T_A = 25 °C, per the Electrical Characteristics table. This ultra-low leakage ensures minimal power loss in battery-backed or low-quiescent-current applications such as automotive sleep-mode circuits and portable sensor nodes.

Is BZT52C13S-7-F suitable for use in automotive under-hood applications?

Yes. It is AEC-Q101 qualified and rated for operation from –65 °C to +150 °C. Its planar die construction, halogen-free molding compound, and moisture sensitivity level 1 make it suitable for under-hood engine control units, transmission control modules, and lighting drivers exposed to thermal cycling and vibration.

How does the temperature coefficient affect regulation accuracy over temperature?

The temperature coefficient is +7.0 to +11.0 mV/°C, meaning V_Z increases linearly with junction temperature. At 13 V nominal, this yields ~0.054–0.085 %/°C drift. For high-accuracy references, this must be compensated via circuit design (e.g., complementary TC components) or calibrated out in digital systems.

What is the recommended pad layout for SOD323 mounting?

Per Diodes' package outline documentation, the recommended SOD323 pad layout uses X = 0.590 mm, Y = 0.450 mm, X1 = 2.700 mm, and thermal relief patterns matching FR-4 board stack-up. Proper pad geometry ensures reliable solder joint formation and minimizes thermal stress during reflow, critical for maintaining AEC-Q101 reliability performance.

BZT52C13S-7-F Specifications

Product attributes: Attribute value

Manufacturer:: Diodes Incorporated

Series:: -

Package/Case:: SC-76, SOD-323

Packaging:: Tape & Reel (TR)

Product Status:: Active

Voltage - Zener (Nom) (Vz):: 13 V

Tolerance:: ±6%

Power - Max:: 200 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

Grade:: -

Qualification:: -

Mounting Type:: Surface Mount

Supplier Device Package:: SOD-323

BZT52C13S-7-F FAQ

1.How can I place an order for BZT52C13S-7-F through Aetrix?

Please submit a Request for Quotation (RFQ) for BZT52C13S-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 BZT52C13S-7-F reliable?

The price and inventory of BZT52C13S-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 BZT52C13S-7-F is usually 5 days.

3.What payment methods are accepted for BZT52C13S-7-F?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for BZT52C13S-7-F transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for BZT52C13S-7-F?

BZT52C13S-7-F orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your BZT52C13S-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 BZT52C13S-7-F?

For technical support, including BZT52C13S-7-F datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your BZT52C13S-7-F requirements.

6.How does Aetrix verify that BZT52C13S-7-F is sourced from the original manufacturer or authorized distributors?

All BZT52C13S-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 BZT52C13S-7-F meets industry standards.

7.What is the process for return or replacement of BZT52C13S-7-F?

All BZT52C13S-7-F units undergo pre-shipment inspection (PSI). If there is an issue with BZT52C13S-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 BZT52C13S-7-F part is unused and in its original packaging.

Return procedure for BZT52C13S-7-F:

1.Submit a request within 90 days.

2.Obtain a Return Material Authorization (RMA) from Aetrix.

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