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

Nexperia USA Inc. PZU6.8BA,115

Name: PZU6.8BA,115
Brand: Nexperia USA Inc.
SKU: PZU6.8BA,115
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: PZU6.8BA,115

Manufacturer:: Nexperia USA Inc.

Category:: Single Zener Diodes

Package:: SC-76, SOD-323

Datasheet:: PZU6.8BA,115.pdf

Description:: DIODE ZENER 6.8V 320MW SOD323

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Product details

Overview

PZU6.8BA,115 from Nexperia is a ±5 % tolerance Zener voltage regulator diode in SOD323 (SC-76) package, rated for 6.8 V nominal working voltage, 320 mW total power dissipation at 25 °C ambient, and 40 W non-repetitive peak reverse power. It delivers low dynamic impedance (60 Ω max at I_Z = 5 mA), 20 nA reverse current at 0.5 mA test current, and +3.4 mV/K temperature coefficient - used for precision voltage reference and overvoltage clamping in low-power analog circuits.

For engineers reviewing the PZU6.8BA,115 datasheet, PZU6.8BA,115 pinout, PZU6.8BA,115 application, or PZU6.8BA,115 equivalent, key selection criteria include Zener voltage tolerance, differential resistance at low bias current, thermal resistance to solder point (255 K/W), and SC-76 footprint compatibility with high-density PCB layouts.

Technical Context

This Zener diode operates in reverse breakdown mode with hard knee characteristics, optimized for stable regulation at low currents (IZ = 0.5–5 mA). Its differential resistance of ≤60 Ω at 5 mA ensures minimal output voltage variation under load transients.

The device exhibits a positive temperature coefficient of +3.4 mV/K at 5 mA, enabling predictable drift compensation in reference circuits. Its 215 A non-repetitive peak reverse current rating supports transient surge suppression in 100 µs square-wave events at T_j = 25 °C.

Key Specifications

Parameter	Value and Actual Design Meaning
Zener Voltage V_Z	6.47 V to 7.14 V (±5 % tolerance at I_Z = 5 mA); defines regulated output voltage window under nominal bias
Differential Resistance r_dif	≤60 Ω at I_Z = 5 mA; determines small-signal AC impedance and regulation stiffness
Reverse Current I_R	≤20 nA at V_R = 0.5 × V_Z; ensures ultra-low leakage in standby or high-impedance reference nodes
Total Power Dissipation P_tot	320 mW on FR4 PCB (single-sided copper, tin-plated); sets maximum continuous DC power handling
Non-repetitive Peak Power P_ZSM	40 W for t_p = 100 µs square wave; enables short-duration surge clamping without failure
Junction-to-Solder-Point R_th(j-sp)	255 K/W; quantifies thermal path efficiency from die to PCB pad, critical for pulsed operation reliability
Forward Voltage V_F	1.1 V at I_F = 100 mA; relevant for reverse-polarity protection or series forward conduction use cases

Pinout & Package

SOD323 (SC-76) plastic surface-mount package: 1.7 mm × 1.25 mm × 0.95 mm body, 1.3 mm lead pitch, cathode marked by bar on top surface.

Pin/Terminal	Circuit Role	Design Meaning
1	Cathode	Connected to regulated output node; polarity marker (bar) aligns with this terminal for correct PCB orientation
2	Anode	Connected to ground or lower-potential rail; completes reverse-bias path for Zener conduction

Key Features

Feature	Design Value
Hard breakdown knee	Enables sharp, predictable turn-on at 6.8 V with minimal voltage hysteresis during regulation transitions
Very low leakage current	20 nA at 0.5 mA test current preserves signal integrity in high-impedance feedback or sensing paths
Optimized low-current impedance	60 Ω differential resistance at 5 mA supports stable reference performance even with microampere-level loads
Thermally efficient SOD323 layout	255 K/W junction-to-solder-point resistance allows reliable 40 W pulse handling when mounted per standard footprint
Standardized marking system	"LR" code identifies PZU6.8BA,115 per Table 4, enabling automated optical inspection and traceability

Applications

Power Supply Reference

Overvoltage Clamp

Use Scenario: Providing stable 6.8 V reference for ADC voltage dividers or op-amp bias networks in battery-powered sensor nodes.

IC Role / Device Role / Timing Role: Zener diode operating in reverse breakdown as two-terminal shunt voltage reference.

Use Value: ±5 % tolerance and 60 Ω dynamic impedance ensure <±15 mV output variation across 1–5 mA load range, minimizing measurement error.

Use Scenario: Protecting input pins of microcontrollers or interface ICs against ESD-induced voltage spikes up to 40 W/100 µs.

IC Role / Device Role / Timing Role: Passive clamping element diverting transient energy to ground before reaching sensitive circuitry.

Use Value: 215 A peak surge current rating and fast 100 µs response enable robust protection without latch-up or degradation.

Low-Power Bias Generator

Temperature-Compensated Reference

Use Scenario: Generating fixed bias voltages for JFET amplifiers or discrete transistor stages in portable audio preamps.

IC Role / Device Role / Timing Role: Shunt regulator establishing DC operating point independent of supply ripple.

Use Value: 320 mW power rating and 1.1 V forward drop allow dual-mode (forward/reverse) use in compact bias networks.

Use Scenario: Compensating thermally induced drift in analog front-ends using matched PZU6.8BA,115 and NTC thermistors.

IC Role / Device Role / Timing Role: Voltage reference with known +3.4 mV/K coefficient for active temperature correction algorithms.

Use Value: Predictable positive TC enables linear offset cancellation in 0–70 °C industrial sensor conditioning circuits.

Equivalent & Alternatives

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

Alternative Part	Technical Difference	Application Difference	Selection Advice
BZX384-B6V8,115	Same SOD323 package and 6.8 V rating, but ±5 % tolerance achieved via tighter binning; 80 Ω r_dif vs. 60 Ω	Higher dynamic impedance reduces regulation accuracy under varying load, limiting use in precision references	Select when cost sensitivity outweighs need for lowest possible r_dif, or where existing BOM uses BZX384 family
MMSZ4688T1G	SO-23 package (larger footprint), 6.8 V ±5 %, 100 Ω r_dif, 500 mW P_tot; no specified I_ZSM rating	Larger size impedes high-density routing; higher power rating irrelevant for typical 320 mW use cases	Choose only if legacy SO-23 footprint must be retained or if board rework prohibits SOD323 adoption

Compared with BZX384-B6V8,115 and MMSZ4688T1G, PZU6.8BA,115 offers superior low-current regulation stability (60 Ω r_dif) and verified 40 W surge capability in the smallest standardized SMD package, making it optimal for space-constrained, precision-clamping designs.

Availability

PZU6.8BA,115 is available at Aetrix Electronics and suitable for voltage reference design, overvoltage protection, and low-power bias generation requiring stable component supply and full traceability through production cycles.

Supply support for PZU6.8BA,115 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 logic, discrete, and MOSFET solutions, headquartered in Nijmegen, Netherlands.

PZUxBA series belongs to Nexperia's general-purpose Zener regulator portfolio, engineered for compact, low-leakage voltage stabilization in consumer, industrial, and computing applications where SOD323 footprint and tight tolerance are critical.

FAQ

What is the maximum continuous reverse current for PZU6.8BA,115 at 25 °C ambient?

The device has no defined maximum continuous reverse current; instead, its safe operating area is governed by total power dissipation (320 mW on FR4 PCB). At 6.8 V, this corresponds to ~47 mA average Zener current. Exceeding this causes junction temperature rise beyond 150 °C, risking permanent degradation.

Can PZU6.8BA,115 be used in series with another Zener for higher voltage reference?

Yes - stacking multiple PZU6.8BA,115 devices in series yields scalable reference voltages (e.g., two in series = ~13.6 V). However, tolerance accumulates (±5 % each), and thermal coupling between devices may cause mismatched drift; individual regulation is preferred for precision.

Does the "115" suffix indicate tape-and-reel packaging?

Yes - "115" denotes 3,000-piece 8 mm tape-and-reel packaging per IEC standard, compatible with automated SMT placement equipment. The "115" code is Nexperia's ordering identifier for this specific reel configuration, not a revision or variant.

How does the +3.4 mV/K temperature coefficient affect long-term stability?

This coefficient means output voltage increases by 3.4 mV per Kelvin rise in junction temperature. Over a 50 °C ambient shift (25–75 °C), V_Z rises ~170 mV - a 2.5 % change. For stable references, thermal management or TC-matched compensation networks are required.

PZU6.8BA,115 Specifications

Product attributes: Attribute value

Manufacturer:: Nexperia USA Inc.

Series:: -

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

Packaging:: Tape & Reel (TR)

Product Status:: Active

Voltage - Zener (Nom) (Vz):: 6.8 V

Tolerance:: ±5%

Power - Max:: 320 mW

Impedance (Max) (Zzt):: 20 Ohms

Current - Reverse Leakage @ Vr:: 500 nA @ 3.5 V

Voltage - Forward (Vf) (Max) @ If:: 1.1 V @ 100 mA

Operating Temperature:: -55°C ~ 150°C

Grade:: -

Qualification:: -

Mounting Type:: Surface Mount

Supplier Device Package:: SOD-323

PZU6.8BA,115 FAQ

1.How can I place an order for PZU6.8BA,115 through Aetrix?

Please submit a Request for Quotation (RFQ) for PZU6.8BA,115 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 PZU6.8BA,115 reliable?

The price and inventory of PZU6.8BA,115 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for PZU6.8BA,115 is usually 5 days.

3.What payment methods are accepted for PZU6.8BA,115?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for PZU6.8BA,115 transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for PZU6.8BA,115?

PZU6.8BA,115 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your PZU6.8BA,115 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 PZU6.8BA,115?

For technical support, including PZU6.8BA,115 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your PZU6.8BA,115 requirements.

6.How does Aetrix verify that PZU6.8BA,115 is sourced from the original manufacturer or authorized distributors?

All PZU6.8BA,115 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 PZU6.8BA,115 meets industry standards.

7.What is the process for return or replacement of PZU6.8BA,115?

All PZU6.8BA,115 units undergo pre-shipment inspection (PSI). If there is an issue with PZU6.8BA,115, 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 PZU6.8BA,115 part is unused and in its original packaging.

Return procedure for PZU6.8BA,115:

1.Submit a request within 90 days.

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

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