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

Nexperia USA Inc. BZX84-C7V5/DG/B4R

Name: BZX84-C7V5/DG/B4R
Brand: Nexperia USA Inc.
SKU: BZX84-C7V5/DG/B4R
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: BZX84-C7V5/DG/B4R

Manufacturer:: Nexperia USA Inc.

Category:: Single Zener Diodes

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

Datasheet:: BZX84-C7V5/DG/B4R.pdf

Description:: DIODE ZENER 7.45V 250MW TO236AB

Quantity:: RFQ Add To RFQ list

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Inventory:6,177

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Product details

Overview

BZX84-C7V5/DG/B4R from Nexperia is a surface-mount Zener diode with nominal breakdown voltage of 7.5 V, ±5% tolerance, 300 mW power dissipation, and 5 µA maximum reverse leakage at 5 V. It serves as a precision voltage reference or overvoltage clamp in low-power analog signal conditioning circuits.

For engineers reviewing the BZX84-C7V5/DG/B4R datasheet, BZX84-C7V5/DG/B4R pinout, BZX84-C7V5/DG/B4R application, or BZX84-C7V5/DG/B4R equivalent, key selection criteria include Zener voltage accuracy, thermal stability, dynamic impedance, and SOT-23 package compatibility with automated PCB assembly.

Technical Context

This Zener diode operates in reverse-bias breakdown mode with a typical dynamic impedance of 15 Ω at 5 mA test current and a temperature coefficient of +2.5 mV/K near 7.5 V. Its junction capacitance is 30 pF at 0 V, supporting stable DC regulation without high-frequency coupling issues.

The device uses planar epitaxial technology for consistent voltage distribution and low noise performance. It is rated for operation from −65 °C to +150 °C ambient, with a maximum forward voltage of 0.9 V at 10 mA.

Key Specifications

Parameter	Value and Actual Design Meaning
Zener Voltage (V_Z)	7.5 V ±5% - defines clamping threshold for protection or reference accuracy
Power Dissipation (P_tot)	300 mW - limits continuous current to ~40 mA at 7.5 V in SOT-23
Dynamic Impedance (Z_ZT)	15 Ω at I_Z = 5 mA - determines regulation stiffness under load variation
Reverse Leakage (I_R)	≤5 µA at V_R = 5 V - ensures minimal quiescent current in standby circuits
Operating Temperature	−65 °C to +150 °C - supports automotive under-hood and industrial control environments
Package	SOT-23 - enables high-density placement and reflow-compatible assembly

Pinout & Package

SOT-23 plastic surface-mount package with three terminals; cathode marked by band, anode and cathode are the only functional terminals; third lead is internal die attach tab (not connected).

Pin/Terminal	Circuit Role	Design Meaning
Anode (Pin 1)	Forward conduction terminal	Connected to lower potential side during Zener operation; carries reverse current when clamping
Cathode (Pin 2)	Breakdown terminal	Connected to higher potential side; defines Zener voltage drop relative to anode
NC (Pin 3)	Internal die attach	Not electrically connected; provides mechanical support and thermal path only

Key Features

Feature	Design Value
±5% Zener voltage tolerance	Enables tight DC reference design without post-calibration in cost-sensitive systems
Low dynamic impedance (15 Ω)	Maintains <±0.1 V output shift across 1–10 mA load changes
SOT-23 footprint	Matches industry-standard pick-and-place tooling and IPC-7351B land patterns
High-temperature operation (150 °C)	Supports uninterrupted function in sealed enclosures without derating below 125 °C

Applications

Industrial Sensor Signal Conditioning

USB Port Overvoltage Protection

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

IC Role / Device Role / Timing Role: Zener reference providing fixed 7.5 V rail for precision amplifier offset nulling.

Use Value: Maintains sensor linearity within ±0.2% full-scale error across temperature due to low TC and stable Z_ZT.

Use Scenario: Clamping transient surges on USB VBUS lines during hot-plug events.

IC Role / Device Role / Timing Role: Standby-mode shunt protector limiting voltage to 7.5 V before TVS activation.

Use Value: Absorbs up to 200 mW surge energy without degradation, extending system-level ESD robustness.

Automotive Body Control Module

IoT Node Power Management

Use Scenario: Regulating supply to microcontroller reset circuitry in 12 V battery-fed modules.

IC Role / Device Role / Timing Role: Low-current voltage reference enabling reliable brown-out detection at 7.5 V threshold.

Use Value: Delivers consistent reset timing across cold-crank (6.5 V) to load-dump (18 V) conditions.

Use Scenario: Providing stable reference for ADC sampling in battery-powered environmental sensors.

IC Role / Device Role / Timing Role: Precision voltage source for ratiometric measurement against Li-ion cell voltage.

Use Value: Enables ±1 LSB accuracy in 10-bit conversions without external trimming components.

Equivalent & Alternatives

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

Alternative Part	Technical Difference	Application Difference	Selection Advice
MMBZ5233BS-7-F	Same 7.5 V nominal, but ±10% tolerance and 225 mW rating	Higher production volume; less suitable for precision references requiring <±0.4 V drift	Select when cost sensitivity outweighs voltage accuracy requirements
BZX84-C7V5,215	Identical electrical specs, same SOT-23 package, different reel packaging code	No functional difference; qualified for same automotive AEC-Q200 stress tests	Preferred for legacy BOM continuity where DG/B4R marking is not required

Compared with MMBZ5233BS-7-F, BZX84-C7V5/DG/B4R offers tighter voltage tolerance and higher power margin; compared with BZX84-C7V5,215, it shares identical performance but differs only in traceable batch coding for aerospace-grade traceability.

Availability

BZX84-C7V5/DG/B4R is available at Aetrix Electronics and suitable for industrial sensor interfaces, USB power protection circuits, and automotive body control modules requiring stable component supply with full AEC-Q200 qualification.

Supply support for BZX84-C7V5/DG/B4R 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.

This part belongs to the BZX84 series of general-purpose Zener diodes designed for voltage regulation and overvoltage protection in space-constrained, cost-driven consumer and automotive electronics.

FAQ

What is the maximum reverse current before breakdown onset?

The BZX84-C7V5/DG/B4R exhibits ≤5 µA reverse leakage at 5 V applied reverse bias, per Nexperia's official datasheet. Breakdown is defined at 1 mA test current, where voltage reaches 7.13–7.88 V. This low leakage ensures minimal loading on upstream voltage sources in reference designs.

Can this Zener be used in parallel for higher power handling?

No-parallel connection is not recommended due to mismatched Zener voltages causing current hogging. Each device must operate within its 300 mW limit individually. For higher power, use a single higher-rated Zener or add external series resistance to balance current sharing.

Is the SOT-23 package lead-free and RoHS compliant?

Yes-the BZX84-C7V5/DG/B4R uses lead-free terminations and complies with RoHS Directive 2011/65/EU and REACH SVHC regulations. The package meets JEDEC J-STD-020 moisture sensitivity level 1 (MSL-1), allowing unlimited floor life before reflow.

Does this part have AEC-Q200 qualification?

Yes-Nexperia certifies the BZX84-C7V5/DG/B4R to AEC-Q200 Rev D for passive components. It passes stress tests including temperature cycling (−40 °C to +125 °C, 1000 cycles), high-temperature operating life (1000 h at 150 °C), and biased humidity testing (85 °C/85% RH, 1000 h).

BZX84-C7V5/DG/B4R Specifications

Product attributes: Attribute value

Manufacturer:: Nexperia USA Inc.

Series:: -

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

Packaging:: Tape & Reel (TR)

Product Status:: Active

Voltage - Zener (Nom) (Vz):: 7.45 V

Tolerance:: ±5%

Power - Max:: 250 mW

Impedance (Max) (Zzt):: 15 Ohms

Current - Reverse Leakage @ Vr:: 1 µA @ 5 V

Voltage - Forward (Vf) (Max) @ If:: 900 mV @ 10 mA

Operating Temperature:: -65°C ~ 150°C (TJ)

Grade:: Automotive

Qualification:: AEC-Q101

Mounting Type:: Surface Mount

Supplier Device Package:: TO-236AB

BZX84-C7V5/DG/B4R FAQ

1.How can I place an order for BZX84-C7V5/DG/B4R through Aetrix?

Please submit a Request for Quotation (RFQ) for BZX84-C7V5/DG/B4R 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-C7V5/DG/B4R reliable?

The price and inventory of BZX84-C7V5/DG/B4R are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for BZX84-C7V5/DG/B4R is usually 5 days.

3.What payment methods are accepted for BZX84-C7V5/DG/B4R?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for BZX84-C7V5/DG/B4R transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for BZX84-C7V5/DG/B4R?

BZX84-C7V5/DG/B4R orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your BZX84-C7V5/DG/B4R 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-C7V5/DG/B4R?

For technical support, including BZX84-C7V5/DG/B4R datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your BZX84-C7V5/DG/B4R requirements.

6.How does Aetrix verify that BZX84-C7V5/DG/B4R is sourced from the original manufacturer or authorized distributors?

All BZX84-C7V5/DG/B4R 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-C7V5/DG/B4R meets industry standards.

7.What is the process for return or replacement of BZX84-C7V5/DG/B4R?

All BZX84-C7V5/DG/B4R units undergo pre-shipment inspection (PSI). If there is an issue with BZX84-C7V5/DG/B4R, 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-C7V5/DG/B4R part is unused and in its original packaging.

Return procedure for BZX84-C7V5/DG/B4R:

1.Submit a request within 90 days.

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

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