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Nexperia USA Inc. BZX84W-C13F
- Part No.:
- BZX84W-C13F
- Manufacturer:
- Nexperia USA Inc.
- Category:
- Single Zener Diodes
- Package:
- SC-70, SOT-323
- Datasheet:
-
BZX84W-C13F.pdf
- Description:
- DIODE ZENER 13V 275MW SOT323
- Quantity:
- Payment:
- Shipping:
Inventory:7,875
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Product details
Overview
BZX84W-C13F from Nexperia is a ±5 % tolerance Zener voltage regulator diode with nominal 13 V breakdown voltage, 2.5 V typical differential resistance at 5 mA, and 9.4 mV/K temperature coefficient, housed in SOT323 (SC-70) package for precision voltage reference and clamping in low-power analog circuits.
For engineers reviewing the BZX84W-C13F datasheet, BZX84W-C13F pinout, BZX84W-C13F application, or BZX84W-C13F equivalent, this part supports stable 13 V regulation under 5 mA test current, operates up to 150 °C junction temperature, and delivers <100 nA reverse leakage at 8 V, making it suitable for precision biasing and overvoltage protection in space-constrained designs.
Technical Context
This Zener diode operates in reverse-biased breakdown mode with a specified nominal Zener voltage of 13 V at IZ = 5 mA, ±5 % tolerance, and exhibits a positive temperature coefficient of +9.4 mV/K - indicating increasing VZ with rising temperature above 10 V nominal range.
It features 2.5 Ω typical differential resistance at 5 mA, 275 mW total power dissipation on FR4 PCB, and 80 pF junction capacitance at 1 MHz and 0 V reverse bias - enabling use in moderate-frequency regulation and transient suppression without significant capacitive loading.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Zener Voltage (VZ) | 13 V nominal at IZ = 5 mA; defines precise regulation point for reference or clamp circuits |
| Tolerance | ±5 % (C-series); sets worst-case regulation window of 12.4 V to 14.1 V at 25 °C |
| Differential Resistance (rdif) | 2.5 Ω typical at IZ = 5 mA; determines output impedance and load regulation sensitivity |
| Reverse Leakage (IR) | 100 nA max at VR = 8 V; ensures minimal quiescent current in standby or high-impedance bias networks |
| Power Dissipation (Ptot) | 275 mW on FR4 PCB; limits continuous Zener current to ~21 mA at 13 V without heatsinking |
| Junction Temperature (Tj) | 150 °C max; enables operation in industrial ambient environments up to +125 °C with derating |
| Thermal Resistance (Rth(j-a)) | 455 K/W; indicates ~125 °C rise per 275 mW on standard FR4 layout |
Pinout & Package
SOT323 (SC-70) leadless surface-mount plastic package with 3 terminals; compact 2.2 mm × 1.35 mm footprint and 0.65 mm pitch; optimized for reflow soldering per IPC-7351B.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | Anode (A) | Forward conduction terminal; connects to lower-potential node in Zener configuration |
| 2 | Not Connected (n.c.) | Internally isolated; must remain unconnected on PCB to avoid parasitic coupling or mechanical stress |
| 3 | Cathode (K) | Zener breakdown terminal; connects to higher-potential node and serves as regulation reference output |
Key Features
| Feature | Design Value |
|---|---|
| 13 V Zener voltage with ±5 % tolerance | Enables accurate voltage setting in 12–15 V systems without trimming or feedback |
| 2.5 Ω differential resistance at 5 mA | Minimizes output voltage shift under load changes up to ±1 mA |
| +9.4 mV/K temperature coefficient | Compensates for thermal drift in mixed-signal circuits where reference stability across temperature is critical |
| 80 pF junction capacitance at 1 MHz | Permits use in signal-path clamping up to ~2 MHz without excessive attenuation |
| 275 mW power rating on FR4 | Supports sustained 20 mA Zener current in compact consumer-grade PCB layouts |
Applications
| Power Supply Reference | Overvoltage Clamp |
|---|---|
|
Use Scenario: Providing stable 13 V reference for ADC biasing or op-amp level-shifting in battery-powered sensor nodes. IC Role / Device Role / Timing Role: Zener diode operating in reverse breakdown to generate fixed DC reference voltage independent of supply variation. Use Value: Delivers <100 nA leakage and ±5 % tolerance, ensuring reference accuracy remains within 0.65 V over temperature and life. |
Use Scenario: Protecting microcontroller GPIO pins from ESD or inductive kickback exceeding 13 V in automotive body control modules. IC Role / Device Role / Timing Role: Fast-acting shunt clamp that conducts above 13 V to divert surge energy away from sensitive inputs. Use Value: Limits transient voltage to ≤14.1 V (max VZ) with 2.5 Ω dynamic impedance, reducing peak overshoot by >30 % vs. higher-rdif alternatives. |
| Current Source Bias | Signal-Level Shifter |
|
Use Scenario: Setting bias current for JFET amplifiers or LED drivers requiring stable 13 V headroom in portable audio equipment. IC Role / Device Role / Timing Role: Series-connected Zener establishing fixed voltage drop across current-setting resistor. Use Value: Maintains ±5 % regulation with <2.5 Ω rdif, enabling <1 % current error over 10:1 load range at 5 mA nominal. |
Use Scenario: Translating 3.3 V logic signals to 13 V interface levels for legacy industrial sensors using open-drain outputs. IC Role / Device Role / Timing Role: Cathode-referenced Zener providing pull-up to 13 V while blocking reverse conduction during low states. Use Value: 80 pF capacitance and <100 nA leakage preserve signal edge integrity and minimize static power draw in always-on interfaces. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar Zener regulation applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| BZX84W-B13 | ±2 % tolerance (12.7–13.3 V), 2.5 Ω rdif, same package and thermal specs | Narrower regulation band improves reference accuracy but increases cost and reduces availability | Select when system-level calibration is impractical and ±2 % VZ stability is required over temperature |
| MMBZ5243B | 13 V nominal, ±5 %, 10 Ω rdif, SOT23 package, 350 mW Ptot | Larger footprint and higher rdif reduce regulation precision but improve surge handling | Choose for higher-energy transients where 40 W non-repetitive peak power matters more than low-leakage precision |
Compared with BZX84W-C13F, BZX84W-B13 offers tighter tolerance at identical thermal performance, while MMBZ5243B trades regulation precision for higher surge robustness and larger package - guiding selection based on whether accuracy, leakage, or pulse immunity dominates the design requirement.
Availability
BZX84W-C13F is available at Aetrix Electronics and suitable for precision voltage reference, overvoltage protection, and current-source biasing applications requiring stable component supply, consistent parametric performance, and long-term obsolescence management.
Supply support for BZX84W-C13F 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 small-signal diodes, MOSFETs, and ESD protection solutions.
The BZX84W series belongs to Nexperia's general-purpose Zener diode product line, engineered for stable voltage regulation and clamping in cost-sensitive, space-constrained consumer and industrial electronics.
FAQ
What is the maximum reverse voltage before breakdown for BZX84W-C13F?
The BZX84W-C13F has a nominal Zener voltage of 13 V at 5 mA test current, with guaranteed minimum and maximum values of 12.4 V and 14.1 V respectively due to its ±5 % tolerance. Breakdown begins near the lower limit and stabilizes within this band; operation below 12.4 V results in negligible reverse current (<100 nA).
Can BZX84W-C13F be used in place of a 12 V Zener diode?
No - BZX84W-C13F is specifically rated for 13 V nominal regulation and is not a functional substitute for 12 V Zeners like BZX84W-C12 (11.4–12.7 V range). Substituting would shift reference or clamp thresholds by ~1 V, potentially violating system voltage margins or causing incorrect biasing.
Is the n.c. pin on BZX84W-C13F electrically isolated or internally tied?
Pin 2 is explicitly designated "not connected" in Nexperia's official pinning information and is fully electrically isolated from both anode and cathode. It must remain unconnected on the PCB; soldering or routing to this pad introduces mechanical stress and may compromise package integrity or thermal performance.
How does thermal resistance affect BZX84W-C13F's regulation accuracy in real-world PCB layouts?
With Rth(j-a) = 455 K/W on standard FR4, dissipating 275 mW raises junction temperature by ~125 °C above ambient - shifting VZ by +9.4 mV/K × 125 K ≈ +1.18 V. To maintain regulation within ±5 %, power must be limited to ≤130 mW (≈10 mA) in still-air conditions unless enhanced copper pour or airflow is provided.
BZX84W-C13F Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Nexperia USA Inc.
- Series:
- BZX84W
- Package/Case:
- SC-70, SOT-323
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Voltage - Zener (Nom) (Vz):
- 13 V
- Tolerance:
- ±5%
- 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:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOT-323
BZX84W-C13F FAQ
1.How can I place an order for BZX84W-C13F through Aetrix?
Please submit a Request for Quotation (RFQ) for BZX84W-C13F 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-C13F reliable?
The price and inventory of BZX84W-C13F are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for BZX84W-C13F is usually 5 days.
3.What payment methods are accepted for BZX84W-C13F?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for BZX84W-C13F transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for BZX84W-C13F?
BZX84W-C13F orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your BZX84W-C13F 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-C13F?
For technical support, including BZX84W-C13F datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your BZX84W-C13F requirements.
6.How does Aetrix verify that BZX84W-C13F is sourced from the original manufacturer or authorized distributors?
All BZX84W-C13F 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-C13F meets industry standards.
7.What is the process for return or replacement of BZX84W-C13F?
All BZX84W-C13F units undergo pre-shipment inspection (PSI). If there is an issue with BZX84W-C13F, 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-C13F part is unused and in its original packaging.
Return procedure for BZX84W-C13F:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
BZX84W-C13F Tags
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MMBZ5240B-7-F
Diodes Incorporated
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BZT52C5V6T-7
Diodes Incorporated
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MMSZ5231B-7-F
Diodes Incorporated
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BZT52C15-7-F
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BZX84C3V3LT1G
onsemi
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MMSZ5245BS-7-F
Diodes Incorporated
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MMSZ4682T1G
onsemi
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BZT52C15S-7-F
Diodes Incorporated
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MM5Z5V1ST1G
onsemi
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SMAJ4744A-TP
Micro Commercial Co
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BZT52C3V6LP-7
Diodes Incorporated
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SMAZ12-13-F
Diodes Incorporated
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