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Nexperia USA Inc. BZX84W-C13-QF
- Part No.:
- BZX84W-C13-QF
- Manufacturer:
- Nexperia USA Inc.
- Category:
- Single Zener Diodes
- Package:
- SC-70, SOT-323
- Datasheet:
-
BZX84W-C13-QF.pdf
- Description:
- DIODE ZENER 13.25V 275MW SOT323
- Quantity:
- Payment:
- Shipping:
Inventory:5,385
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Product details
Overview
BZX84W-C13-QF from Nexperia is a ±5% tolerance Zener voltage regulator diode in SOT323 (SC-70) package, rated for 13 V nominal Zener voltage at 5 mA, 275 mW total power dissipation, and qualified to AEC-Q101 for automotive use. It provides stable voltage reference in low-power biasing, overvoltage protection, and signal-level regulation circuits.
For engineers reviewing the BZX84W-C13-QF datasheet, BZX84W-C13-QF pinout, BZX84W-C13-QF application, or BZX84W-C13-QF equivalent, this page delivers verified Zener parameters, automotive-grade thermal limits, SC-70 terminal mapping, and validated alternatives for voltage reference design in constrained PCB layouts.
Technical Context
This device operates as a reverse-biased silicon Zener diode with a nominal breakdown voltage of 13 V at IZ = 5 mA, exhibiting a temperature coefficient of +9.4 mV/K and differential resistance of 170 Ω at that current. Its non-repetitive peak reverse power dissipation reaches 40 W for 100 µs pulses.
Designed for surface-mount use on FR4 PCBs with single-sided copper, it achieves a junction-to-ambient thermal resistance of 455 K/W and supports ambient temperatures from −55 °C to +150 °C. Reverse leakage is limited to 100 nA at VR = 8 V.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Zener Voltage (VZ) | 13 V nominal at IZ = 5 mA; ±5% tolerance band (12.4 V to 14.1 V) |
| Power Dissipation (Ptot) | 275 mW at Tamb = 25 °C on standard FR4 PCB - defines maximum continuous DC or low-duty-cycle operation |
| Differential Resistance (rdif) | 170 Ω at IZ = 5 mA - determines output impedance and regulation sensitivity to current variation |
| Temperature Coefficient (SZ) | +9.4 mV/K at IZ = 5 mA - quantifies Zener voltage drift per degree Celsius rise in junction temperature |
| Reverse Leakage (IR) | 100 nA at VR = 8 V - sets minimum off-state current in voltage-clamp or reference applications |
| Forward Voltage (VF) | ≤0.9 V at IF = 10 mA - defines forward conduction threshold when used in bidirectional protection or polarity-sensitive circuits |
| Junction Temperature (Tj) | 150 °C maximum - constrains thermal design margin under sustained power dissipation |
Pinout & Package
SOT323 (SC-70) leadless surface-mount plastic package: 1.3 mm × 2.2 mm footprint, 0.65 mm pitch, 0.9 mm height; optimized for high-density automotive PCB layouts and reflow soldering.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | Anode (A) | Connected to lower-potential node in reverse-bias configuration; carries forward current or sink current during Zener conduction |
| 2 | Not Connected (n.c.) | Internally unconnected terminal; must remain floating - no PCB trace or thermal pad connection permitted |
| 3 | Cathode (K) | Connected to higher-potential node in reverse-bias configuration; serves as voltage reference output node |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualification | Validated for automotive-grade reliability including temperature cycling, humidity, and mechanical stress testing |
| ±5% Zener voltage tolerance | Enables cost-effective selection for non-critical reference applications where tighter tolerance is unnecessary |
| 275 mW power rating on FR4 | Supports stable regulation in space-constrained consumer and automotive modules without heatsinking |
| 100 nA max reverse leakage at 8 V | Minimizes standby current draw in battery-powered voltage monitor or clamp circuits |
| SC-70 (SOT323) package | Reduces PCB area by >50% vs. SOT23 while maintaining compatibility with standard pick-and-place and reflow processes |
Applications
| Automotive ECU Power Rail Clamp | Industrial Sensor Signal Conditioning |
|---|---|
|
Use Scenario: Clamping 12 V supply rail transients in engine control units to prevent microcontroller reset during load dump events. IC Role / Device Role / Timing Role: Zener diode operating in reverse breakdown to shunt excess energy into ground path during overvoltage spikes. Use Value: Withstands 40 W non-repetitive surges and maintains <100 nA leakage at 8 V, ensuring minimal impact on quiescent current during normal operation. |
Use Scenario: Providing stable 13 V reference for analog front-end amplifiers in factory-floor pressure sensors. IC Role / Device Role / Timing Role: Passive voltage reference element establishing precision bias point for op-amp input stages. Use Value: +9.4 mV/K temperature coefficient and 170 Ω dynamic impedance enable predictable drift compensation in 0–70 °C industrial environments. |
| Consumer USB Port Overvoltage Protection | Medical Device Battery Monitor Reference |
|
Use Scenario: Protecting USB data lines from ESD-induced voltage overshoot in portable audio accessories. IC Role / Device Role / Timing Role: Fast-acting clamping diode placed between VBUS and ground to limit transient excursions above 13 V. Use Value: Low 0.9 V forward voltage ensures rapid turn-on during positive transients, while SC-70 footprint fits tight USB-C connector routing zones. |
Use Scenario: Generating fixed reference for ADC measurement of lithium-ion cell voltage in wearable health monitors. IC Role / Device Role / Timing Role: Precision Zener element supplying stable reference to 12-bit SAR ADC reference input. Use Value: 13 V nominal voltage with ±5% tolerance meets medical-grade accuracy requirements for battery state-of-charge estimation within 1% full-scale error. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar Zener voltage reference applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| BZX84W-C13-7-F | Same Zener voltage, ±5% tolerance, identical SOT323 package, but not AEC-Q101 qualified | Intended for commercial-grade applications only; unsuitable for automotive under-hood or safety-critical systems | Select when AEC-Q101 compliance is not required and cost optimization is prioritized |
| MMSZ5243B-TP | 13 V Zener, ±5% tolerance, SOD-123 package (larger than SOT323), 500 mW Ptot, higher thermal resistance | Offers higher power handling but occupies 2.5× more PCB area; lacks automotive qualification | Choose only if board layout allows larger footprint and 500 mW dissipation is needed beyond 275 mW limit |
Compared with BZX84W-C13-QF, BZX84W-C13-7-F omits automotive qualification while retaining identical electrical specs, whereas MMSZ5243B-TP trades miniaturization and qualification for higher power and larger package - making the QF variant optimal for space- and reliability-constrained automotive designs.
Availability
BZX84W-C13-QF is available at Aetrix Electronics and suitable for automotive ECU protection, industrial sensor reference, and medical battery monitoring requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for BZX84W-C13-QF 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, with leadership in automotive-qualified components and advanced packaging technologies.
The BZX84W-Q series belongs to Nexperia's automotive-grade Zener diode product line, engineered specifically for robust voltage regulation and transient suppression in harsh-environment electronic control units.
FAQ
What is the maximum reverse voltage this Zener can regulate before breakdown?
The BZX84W-C13-QF has a nominal Zener voltage of 13 V at 5 mA test current, with a guaranteed range of 12.4 V to 14.1 V due to its ±5% tolerance. Breakdown begins at the lower end of this range and stabilizes across the specified current range; operation below 12.4 V remains in non-conductive reverse bias.
Can this diode be used in forward-bias mode like a standard rectifier?
Yes - it exhibits ≤0.9 V forward voltage at 10 mA, consistent with standard silicon diodes. However, its primary design intent is reverse-bias Zener regulation; forward conduction is secondary and not characterized for repetitive switching or high-current rectification.
Is Pin 2 electrically isolated or internally bonded?
Pin 2 is explicitly marked "n.c." (not connected) in the official Nexperia datasheet and graphic symbol. It is fully isolated - no internal bond wire or die connection exists, and PCB layout must leave it unconnected to avoid parasitic coupling or mechanical stress.
How does its thermal performance compare to SOT23-packaged Zeners?
With Rth(j-a) = 455 K/W on FR4, the SOT323 package delivers comparable thermal resistance to similarly mounted SOT23 Zeners despite smaller size. This is achieved via optimized die attach and leadframe design, enabling equivalent power handling in 30% less PCB area.
BZX84W-C13-QF Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Nexperia USA Inc.
- Series:
- BZX84W-Q
- Package/Case:
- SC-70, SOT-323
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Voltage - Zener (Nom) (Vz):
- 13.25 V
- Tolerance:
- ±6.42%
- Power - Max:
- 275 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:
- 150°C (TJ)
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOT-323
BZX84W-C13-QF FAQ
1.How can I place an order for BZX84W-C13-QF through Aetrix?
Please submit a Request for Quotation (RFQ) for BZX84W-C13-QF 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 BZX84W-C13-QF reliable?
The price and inventory of BZX84W-C13-QF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for BZX84W-C13-QF is usually 5 days.
3.What payment methods are accepted for BZX84W-C13-QF?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for BZX84W-C13-QF transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for BZX84W-C13-QF?
BZX84W-C13-QF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your BZX84W-C13-QF 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 BZX84W-C13-QF?
For technical support, including BZX84W-C13-QF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your BZX84W-C13-QF requirements.
6.How does Aetrix verify that BZX84W-C13-QF is sourced from the original manufacturer or authorized distributors?
All BZX84W-C13-QF 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 BZX84W-C13-QF meets industry standards.
7.What is the process for return or replacement of BZX84W-C13-QF?
All BZX84W-C13-QF units undergo pre-shipment inspection (PSI). If there is an issue with BZX84W-C13-QF, 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 BZX84W-C13-QF part is unused and in its original packaging.
Return procedure for BZX84W-C13-QF:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
BZX84W-C13-QF Tags
-
MMBZ5240B-7-F
Diodes Incorporated
-
BZT52C5V6T-7
Diodes Incorporated
-
MMSZ5231B-7-F
Diodes Incorporated
-
BZT52C15-7-F
Diodes Incorporated
-
BZX84C3V3LT1G
onsemi
-
MMSZ5245BS-7-F
Diodes Incorporated
-
MMSZ4682T1G
onsemi
-
BZT52C15S-7-F
Diodes Incorporated
-
MM5Z5V1ST1G
onsemi
-
SMAJ4744A-TP
Micro Commercial Co
-
BZT52C3V6LP-7
Diodes Incorporated
-
SMAZ12-13-F
Diodes Incorporated
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