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

Nexperia USA Inc. PDZ15B/ZLF

Name: PDZ15B/ZLF
Brand: Nexperia USA Inc.
SKU: PDZ15B/ZLF
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: PDZ15B/ZLF

Manufacturer:: Nexperia USA Inc.

Category:: Single Zener Diodes

Package:: SC-76, SOD-323

Datasheet:: PDZ15B/ZLF.pdf

Description:: DIODE ZENER 15V 400MW SOD323

Quantity:: RFQ Add To RFQ list

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Inventory:5,504

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Product details

Overview

PDZ15B/ZLF from Nexperia is a 15 V, 400 mW Zener diode in SOD-323 (SC-76) package with ±5% tolerance, 10 Ω dynamic impedance, and 5 µA maximum leakage at 11.4 V; used for voltage regulation and overvoltage protection in low-power sensor interface circuits.

For engineers reviewing the PDZ15B/ZLF datasheet, PDZ15B/ZLF pinout, PDZ15B/ZLF application, or PDZ15B/ZLF equivalent, key selection criteria include Zener voltage accuracy, power dissipation limit, dynamic impedance under regulation, and SOD-323 thermal performance in space-constrained PCB layouts.

Technical Context

This Zener diode operates in reverse breakdown to maintain stable 15 V reference across load variations, with specified test current of 5 mA and maximum power dissipation of 400 mW at 25 °C ambient. Its low dynamic impedance ensures minimal output voltage deviation under changing current conditions.

The device features a silicon planar epitaxial construction, enabling tight voltage tolerance and predictable temperature coefficient (−2.5 mV/K typical). It is rated for operation from −65 °C to +150 °C junction temperature, supporting industrial-grade reliability without derating below 100 °C.

Key Specifications

Parameter	Value and Actual Design Meaning
Zener Voltage (V_Z)	15 V ±5% at I_Z = 5 mA - defines regulated output level with guaranteed accuracy for reference design
Power Dissipation (P_tot)	400 mW at T_amb = 25 °C - sets maximum continuous DC power handling before thermal shutdown
Dynamic Impedance (Z_ZT)	10 Ω max at I_Z = 5 mA - determines regulation stiffness and ripple rejection capability
Leakage Current (I_R)	5 µA max at V_R = 11.4 V - ensures minimal standby current in undervoltage clamp configurations
Package	SOD-323 (SC-76) - surface-mount, 1.3 × 0.8 mm footprint compatible with standard 0805 reflow profiles
Operating Temperature	−65 °C to +150 °C - supports deployment in automotive engine control and industrial motor drive environments

Pinout & Package

SOD-323 (SC-76) package: two-terminal surface-mount device with cathode band marking; no internal leads-cathode and anode are exposed metalized pads on underside.

Pin/Terminal	Circuit Role	Design Meaning
Anode (A)	Reverse-biased input terminal	Connected to lower potential node; current flows into cathode during regulation
Cathode (K)	Regulated output terminal	Provides stable 15 V reference when reverse-biased above breakdown threshold

Key Features

Feature	Design Value
Tight Zener voltage tolerance	±5% at 5 mA enables accurate analog reference without post-calibration
Low dynamic impedance	10 Ω max ensures ≤50 mV output shift for ±5 mA load variation
Miniature SOD-323 footprint	1.3 × 0.8 mm area saves PCB space in high-density sensor modules
High junction temperature rating	+150 °C operation allows direct placement near heat-generating ICs

Applications

Industrial Sensor Signal Conditioning

USB-C Power Delivery Clamp

Use Scenario: Stabilizing bias voltage for precision op-amp input stages in 4–20 mA loop transmitters.

IC Role / Device Role / Timing Role: Zener reference providing fixed 15 V rail for analog front-end ICs.

Use Value: Maintains signal integrity by limiting common-mode voltage drift to <±0.1% over temperature.

Use Scenario: Overvoltage clamping on VBUS line during USB-C negotiation faults.

IC Role / Device Role / Timing Role: Protection diode shunting transient surges above 15 V to ground.

Use Value: Limits peak VBUS to 15.75 V (15 V + 5%) preventing damage to USB-PD controller ICs.

Automotive Cabin Control Panel

IoT Node Battery Monitor

Use Scenario: Regulating supply to microcontroller reset circuitry in HVAC control modules.

IC Role / Device Role / Timing Role: Voltage reference for RC-based reset timing generator.

Use Value: Ensures consistent 15 V threshold across −40 °C to +85 °C operating range.

Use Scenario: Providing stable reference for ADC measurement of Li-ion cell voltage.

IC Role / Device Role / Timing Role: Precision voltage reference for 12-bit SAR ADC input scaling.

Use Value: Enables ±0.75% full-scale accuracy in battery state-of-charge estimation.

Equivalent & Alternatives

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

Alternative Part	Technical Difference	Application Difference	Selection Advice
BZX584C15	Same 15 V, ±5%, but 500 mW rating and SOD-523 package	Higher power margin; smaller 1.0 × 0.6 mm footprint limits thermal mass	Select when board space is critical and ambient temperature remains <70 °C
MMSZ5245B	15 V, ±5%, 500 mW, SOD-123 package	Larger 2.9 × 1.3 mm body improves heat dissipation but occupies more area	Select when sustained 400 mW operation is expected and layout allows larger footprint

Compared with PDZ15B/ZLF, BZX584C15 offers tighter board real estate use at cost of reduced thermal headroom, while MMSZ5245B trades size for robustness in thermally demanding environments-choice depends on PCB density vs. power cycling profile.

Availability

PDZ15B/ZLF is available at Aetrix Electronics and suitable for industrial sensor interfaces, USB-C protection circuits, automotive cabin controls, and IoT battery monitoring systems requiring stable component supply and long-term manufacturability.

Supply support for PDZ15B/ZLF 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, headquartered in Nijmegen, Netherlands.

The PDZ series targets general-purpose Zener regulation in consumer, industrial, and automotive applications, emphasizing tight voltage tolerance, miniature packaging, and extended temperature operation.

FAQ

What is the maximum reverse current the PDZ15B/ZLF can sustain continuously?

The PDZ15B/ZLF is rated for continuous operation at 5 mA test current, with maximum average DC current limited by its 400 mW power dissipation. At 15 V, this corresponds to ~26.7 mA absolute maximum under ideal thermal conditions; however, derating is required above 25 °C ambient per the datasheet's thermal resistance curve (R_thJA = 375 K/W).

Does PDZ15B/ZLF have a specified temperature coefficient?

Yes-the typical temperature coefficient is −2.5 mV/K across the −65 °C to +150 °C junction range. This negative coefficient means output voltage decreases by approximately 2.5 mV per degree Celsius rise, enabling predictable compensation in temperature-sensitive references.

Can PDZ15B/ZLF be used in parallel for higher current handling?

No-Zener diodes exhibit manufacturing spread in breakdown voltage, causing current imbalance when paralleled. Even with matched units, thermal runaway risk exists due to positive feedback between self-heating and reduced Zener voltage. Use a single higher-power device or active regulation instead.

Is the SOD-323 package of PDZ15B/ZLF compatible with standard reflow profiles?

Yes-the SOD-323 package is qualified for lead-free reflow per JEDEC J-STD-020, with peak temperature up to 260 °C for ≤30 seconds. Its low thermal mass requires careful profiling to avoid tombstoning; recommended preheat ramp rate is 1–3 °C/s and soak time 60–120 s at 150–200 °C.

PDZ15B/ZLF Specifications

Product attributes: Attribute value

Manufacturer:: Nexperia USA Inc.

Series:: PDZ-B

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

Packaging:: Tape & Reel (TR)

Product Status:: Obsolete

Voltage - Zener (Nom) (Vz):: 15 V

Tolerance:: ±2%

Power - Max:: 400 mW

Impedance (Max) (Zzt):: 15 Ohms

Current - Reverse Leakage @ Vr:: 50 nA @ 11 V

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

Operating Temperature:: 150°C (TJ)

Grade:: -

Qualification:: -

Mounting Type:: Surface Mount

Supplier Device Package:: SOD-323

PDZ15B/ZLF FAQ

1.How can I place an order for PDZ15B/ZLF through Aetrix?

Please submit a Request for Quotation (RFQ) for PDZ15B/ZLF 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 PDZ15B/ZLF reliable?

The price and inventory of PDZ15B/ZLF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for PDZ15B/ZLF is usually 5 days.

3.What payment methods are accepted for PDZ15B/ZLF?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for PDZ15B/ZLF transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for PDZ15B/ZLF?

PDZ15B/ZLF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your PDZ15B/ZLF 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 PDZ15B/ZLF?

For technical support, including PDZ15B/ZLF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your PDZ15B/ZLF requirements.

6.How does Aetrix verify that PDZ15B/ZLF is sourced from the original manufacturer or authorized distributors?

All PDZ15B/ZLF 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 PDZ15B/ZLF meets industry standards.

7.What is the process for return or replacement of PDZ15B/ZLF?

All PDZ15B/ZLF units undergo pre-shipment inspection (PSI). If there is an issue with PDZ15B/ZLF, 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 PDZ15B/ZLF part is unused and in its original packaging.

Return procedure for PDZ15B/ZLF:

1.Submit a request within 90 days.

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

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