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

Nexperia USA Inc. BZX84-A13,215

Name: BZX84-A13,215
Brand: Nexperia USA Inc.
SKU: BZX84-A13,215
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: BZX84-A13,215

Manufacturer:: Nexperia USA Inc.

Category:: Single Zener Diodes

Package:: TO-236-3, SC-59, SOT-23-3

Datasheet:: BZX84-A13,215.pdf

Description:: DIODE ZENER 13V 250MW TO236AB

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Product details

Overview

BZX84-A13,215 from Nexperia is a ±1 % tolerance Zener voltage regulator diode in SOT23 (TO-236AB) package, designed for precision low-power voltage reference and clamping in biasing, protection, and regulation circuits. It delivers a nominal 13 V breakdown voltage at 5 mA, with 170 Ω max differential resistance, 30 μA max reverse current at 10.4 V, and operates across −55 °C to +150 °C ambient range - used in power supply feedback loops and analog sensor signal conditioning.

For engineers reviewing the BZX84-A13,215 datasheet, BZX84-A13,215 pinout, BZX84-A13,215 application, or BZX84-A13,215 equivalent, key selection criteria include its ±1 % V_Z tolerance, 250 mW steady-state power rating, 40 W non-repetitive surge capability, thermal resistance of 500 K/W (junction-to-ambient), and SOT23-compatible footprint for high-density PCB layouts.

Technical Context

This device functions as a two-terminal silicon Zener diode operating in reverse breakdown mode, with tightly controlled V_Z = 12.87 V to 13.13 V (±1 %) at I_Z = 5 mA. Its temperature coefficient is +0.1 mV/K, indicating minimal drift over temperature when biased at nominal current.

The structure supports stable DC regulation and transient voltage clamping, leveraging low dynamic impedance (170 Ω max) and fast response to overvoltage events up to 100 μs duration. It is not intended for high-current shunt regulation but optimized for low-quiescent, precision reference roles in linear regulators and ADC reference buffers.

Key Specifications

Parameter	Value and Actual Design Meaning
V_Z (nominal)	13 V - precise DC reference voltage at 5 mA test current, enabling accurate feedback in 12–15 V power rails.
V_Z tolerance	±1 % - ensures tight batch-to-batch consistency for calibration-critical applications like sensor excitation and DAC output buffering.
P_tot	250 mW - maximum continuous dissipation on FR4 PCB with standard footprint; defines upper limit for static power handling in compact designs.
r_dif max	170 Ω - low dynamic impedance maintains stable regulation under small-signal load variations, critical for noise-sensitive analog stages.
I_R @ V_R = 10.4 V	30 μA - low leakage preserves accuracy in high-impedance bias networks and battery-powered monitoring circuits.
T_j max	150 °C - junction temperature limit allows reliable operation in thermally constrained industrial enclosures without active cooling.
R_th(j-a)	500 K/W - thermal resistance confirms need for copper pour or thermal relief optimization in layout to avoid derating above 70 °C ambient.

Pinout & Package

Package: SOT23 (TO-236AB), surface-mount plastic package with 3 leads, 1.9 mm × 1.1 mm body, 0.9 mm height, and standard reflow-compatible footprint per Figure 12.

Pin/Terminal	Circuit Role	Design Meaning
1	Anode (A)	Connected to lower-potential node in reverse-bias configuration; must be held at ≤ V_Z − 0.9 V during forward conduction.
2	Not connected (n.c.)	Internal die pad with no electrical connection; electrically isolated and may be left floating or grounded for mechanical stability only.
3	Cathode (K)	Connected to higher-potential node; carries reverse current during regulation; solder point defines R_th(j-sp) = 330 K/W path.

Key Features

Feature	Design Value
±1 % V_Z tolerance	Enables direct replacement in 13 V reference designs without recalibration, reducing BOM variants in multi-voltage systems.
250 mW total power dissipation	Supports operation at 13 V / 19 mA max continuous current, sufficient for op-amp biasing and microcontroller reset circuitry.
40 W non-repetitive peak power	Clamps ESD transients (IEC 61000-4-2 Level 4) and line surges without failure when paired with series current-limiting resistor.
SOT23 footprint compatibility	Allows drop-in use with existing pick-and-place tooling and reflow profiles, minimizing manufacturing process changes.
−55 °C to +150 °C operating range	Validates suitability for under-hood automotive modules (non-automotive qualified but thermally robust) and industrial motor drives.

Applications

Power Supply Feedback

Sensor Signal Conditioning

Use Scenario: Stabilizing output voltage in adjustable linear regulators (e.g., LM317) via resistive divider feedback network.

IC Role / Device Role: Precision voltage reference element setting regulation threshold with minimal temperature-induced error.

Use Value: ±1 % V_Z eliminates need for trimmer potentiometers, reducing component count and long-term drift in factory-calibrated supplies.

Use Scenario: Providing stable excitation voltage for resistive bridge sensors (e.g., strain gauges, RTDs) in data acquisition front-ends.

IC Role / Device Role: Low-noise, low-drift reference source maintaining constant bridge bias despite supply ripple or thermal variation.

Use Value: 170 Ω r_dif and +0.1 mV/K TC ensure <0.02 % full-scale error over 0–70 °C, meeting 16-bit ADC accuracy requirements.

Microcontroller Reset Circuit

Overvoltage Clamp Protection

Use Scenario: Generating clean, delayed reset pulse for MCUs during power-up or brown-out conditions using RC + Zener threshold detection.

IC Role / Device Role: Voltage threshold detector triggering reset IC or GPIO input when V_CC exceeds 13 V ±1 %.

Use Value: Tight tolerance ensures deterministic reset assertion at exactly 13.0 V, avoiding premature or late resets in 12 V rail systems.

Use Scenario: Protecting ADC inputs or communication lines from transient overvoltages (e.g., inductive kickback, ESD).

IC Role / Device Role: Fast-acting shunt clamp diverting excess energy to ground before downstream components exceed absolute maximum ratings.

Use Value: 40 W peak power rating handles 100 μs surges up to 13 V × 3 A, satisfying IEC 61000-4-4 burst immunity requirements.

Equivalent & Alternatives

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

Alternative Part	Technical Difference	Application Difference	Selection Advice
ON Semiconductor MMBZ5243B	13 V ±5 % tolerance, 350 mW P_tot, 100 Ω r_dif max, SOT23 package	Higher power and lower impedance but looser tolerance; suitable where cost outweighs precision	Select when budget constraints dominate and ±5 % V_Z is acceptable in non-critical biasing.
Vishay BZX84-C13	13 V ±5 % tolerance, identical SOT23 package and 250 mW rating, 200 Ω r_dif max	Same footprint and thermal profile but relaxed tolerance; lacks tight TC specification	Choose for legacy designs already using C-grade parts or where calibration compensates for tolerance spread.

Compared with BZX84-A13,215, MMBZ5243B offers higher surge margin and lower impedance but sacrifices ±1 % accuracy needed for uncalibrated references, while BZX84-C13 matches thermal and packaging behavior but introduces ±5 % uncertainty that impacts closed-loop stability in precision feedback paths.

Availability

BZX84-A13,215 is available at Aetrix Electronics and suitable for power supply feedback, sensor excitation, MCU reset generation, and overvoltage clamping requiring stable component supply across industrial, instrumentation, and embedded control programs.

Supply support for BZX84-A13,215 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, serving automotive, industrial, and consumer markets with ISO/TS 16949-certified manufacturing.

The BZX84 series belongs to Nexperia's precision Zener regulator portfolio, engineered specifically for space-constrained, low-power applications demanding tight voltage tolerance, stable temperature performance, and robust surge immunity in SMT production environments.

FAQ

What is the guaranteed V_Z range for BZX84-A13,215 at 5 mA?

The guaranteed breakdown voltage is 12.87 V to 13.13 V at I_Z = 5 mA and T_j = 25 °C, reflecting its ±1 % tolerance grade. This range remains valid across the full −55 °C to +150 °C operating temperature range, with temperature coefficient of +0.1 mV/K measured at I_Z = 5 mA.

Can BZX84-A13,215 replace BZX84-C13 in an existing design?

Yes, mechanically and electrically - same SOT23 package, pinout, and 250 mW rating - but V_Z tolerance widens from ±1 % to ±5 %, potentially affecting regulation accuracy by up to ±0.65 V. Recalculate worst-case loop gain and reference error margins before substitution, especially in feedback-critical circuits.

What is the maximum continuous reverse current before thermal runaway?

At 25 °C ambient on FR4 PCB, the absolute maximum continuous reverse current is 19.2 mA (250 mW ÷ 13 V). Derating begins above 25 °C per R_th(j-a) = 500 K/W; at 70 °C ambient, max continuous current drops to ~13.5 mA to maintain T_j ≤ 150 °C.

Does BZX84-A13,215 meet automotive qualification standards?

No - this part is explicitly marked non-automotive qualified per Revision 7 (January 2023) datasheet. Nexperia offers separate -Q qualified variants (e.g., BZX84-A13,215-Q) for AEC-Q101 compliance; use only those in safety-critical or automotive-grade applications requiring validated reliability testing.

BZX84-A13,215 Specifications

Product attributes: Attribute value

Manufacturer:: Nexperia USA Inc.

Series:: BZX84

Package/Case:: TO-236-3, SC-59, SOT-23-3

Packaging:: Tape & Reel (TR)

Product Status:: Active

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

Tolerance:: ±1%

Power - Max:: 250 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:: TO-236AB

BZX84-A13,215 FAQ

1.How can I place an order for BZX84-A13,215 through Aetrix?

Please submit a Request for Quotation (RFQ) for BZX84-A13,215 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 BZX84-A13,215 reliable?

The price and inventory of BZX84-A13,215 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for BZX84-A13,215 is usually 5 days.

3.What payment methods are accepted for BZX84-A13,215?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for BZX84-A13,215 transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for BZX84-A13,215?

BZX84-A13,215 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your BZX84-A13,215 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 BZX84-A13,215?

For technical support, including BZX84-A13,215 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your BZX84-A13,215 requirements.

6.How does Aetrix verify that BZX84-A13,215 is sourced from the original manufacturer or authorized distributors?

All BZX84-A13,215 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 BZX84-A13,215 meets industry standards.

7.What is the process for return or replacement of BZX84-A13,215?

All BZX84-A13,215 units undergo pre-shipment inspection (PSI). If there is an issue with BZX84-A13,215, 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 BZX84-A13,215 part is unused and in its original packaging.

Return procedure for BZX84-A13,215:

1.Submit a request within 90 days.

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

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