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Home > Products > Discrete Semiconductor Products > Diodes > Zener > Zener Diode Arrays

Diodes Incorporated AZ23C3V6-7-F

Name: AZ23C3V6-7-F
Brand: Diodes Incorporated
SKU: AZ23C3V6-7-F
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: AZ23C3V6-7-F

Manufacturer:: Diodes Incorporated

Category:: Zener Diode Arrays

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

Datasheet:: AZ23C3V6-7-F.pdf

Description:: DIODE ZENER ARRAY 3.6V SOT23-3

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Product details

Overview

AZ23C3V6-7-F from Diodes Incorporated is a dual common-anode 3.6V Zener diode pair in SOT23 package, rated for 300mW total power dissipation, with matched Zener voltage tolerance ≤5% between elements and ±0.055%/°C temperature coefficient. It provides precision voltage reference and overvoltage clamping in space-constrained analog monitoring circuits.

For engineers reviewing the AZ23C3V6-7-F datasheet, AZ23C3V6-7-F pinout, AZ23C3V6-7-F application, or AZ23C3V6-7-F equivalent, key selection criteria include dual-Zener matching, low thermal drift, SOT23 footprint compatibility, and JEDEC-qualified reliability for industrial signal conditioning and power rail stabilization.

Technical Context

This dual Zener operates in common-anode configuration, enabling bidirectional voltage regulation or symmetric reference generation from a single package. Each element exhibits 3.4V–3.8V nominal Zener voltage at 5mA test current, with 95Ω typical Zener impedance and 500Ω maximum knee impedance at 1mA.

Thermal resistance is 417°C/W (junction-to-ambient, FR-4 board), supporting stable operation across –65°C to +150°C ambient range. The device meets AEC-Q101 stress testing (HBM 8kV, MM 400V) and IEC 61000-4-2 ESD immunity (air 15kV, contact 8kV).

Key Specifications

Parameter	Value and Actual Design Meaning
Zener Voltage (V_Z)	3.4–3.8 V at I_ZT = 5 mA; enables precise 3.6V rail clamping or reference generation
Power Dissipation (P_D)	300 mW total; supports dual-element operation without derating on standard FR-4 PCB
Zener Impedance (Z_ZT)	95 Ω typical at 5 mA; ensures minimal voltage shift under load variation
Temperature Coefficient	±0.055 %/°C; maintains <±2% drift over –40°C to +85°C operating range
Voltage Matching (ΔV_Z)	≤5% between dual elements; allows balanced dual-rail sensing or differential reference
ESD Rating	HBM 8 kV / MM 400 V per AEC-Q101; suitable for unshielded industrial I/O interfaces

Pinout & Package

Package: SOT23 - surface-mount plastic package with matte tin-plated alloy-42 leadframe, moisture sensitivity level 1, UL 94V-0 flammability rating, and 0.008 g typical weight.

Pin/Terminal	Circuit Role	Design Meaning
Pin 1	Anode (common)	Shared anode connection for both Zener elements; ties to lowest potential node
Pin 2	Cathode (Zener 1)	First Zener cathode; reverse-biased to generate 3.6V reference or clamp
Pin 3	Cathode (Zener 2)	Second Zener cathode; enables independent or complementary regulation path

Key Features

Feature	Design Value
Dual common-anode topology	Reduces PCB area by 50% vs. two discrete SOT23 Zeners; simplifies layout for dual-rail systems
Matched Zener voltage (≤5% ΔV_Z)	Enables accurate differential sensing or symmetrical overvoltage protection without calibration
JEDEC-qualified high-reliability construction	Validated for automotive-grade stress screening (AEC-Q101); supports industrial lifecycle requirements
Green, halogen-free, RoHS-compliant materials	Meets EU Directive 2015/863/EU; eliminates bromine (<900 ppm), chlorine (<900 ppm), antimony (<1000 ppm)

Applications

Industrial Sensor Signal Conditioning

USB-C Power Delivery Monitoring

Use Scenario: Stabilizing reference voltage for 12-bit ADC inputs measuring 0–5V sensor outputs in factory automation PLC modules.

IC Role / Device Role / Timing Role: Dual Zener provides matched 3.6V reference for ADC VREF and clamps input transients on analog front-end lines.

Use Value: Eliminates need for external trimming; ±0.055%/°C TC ensures <±1 LSB error over –25°C to +70°C operating range.

Use Scenario: Protecting CC line voltage monitoring circuitry during USB-C port hot-plug events with fast transient suppression.

IC Role / Device Role / Timing Role: Common-anode dual Zener clamps CC line to ±3.6V relative to VCONN, preventing overvoltage damage to USB PD controller GPIOs.

Use Value: 95Ω Z_ZT limits clamping voltage overshoot to <4.1V during 100ns 1kV EFT pulses per IEC 61000-4-4.

Automotive Body Control Module (BCM) IO Protection

Medical Patient Monitor Analog Front-End

Use Scenario: Safeguarding LIN bus transceiver inputs against load-dump-induced surges in 12V vehicle electrical systems.

IC Role / Device Role / Timing Role: Dual Zener shunts positive and negative transients simultaneously using shared anode tied to chassis ground.

Use Value: ≤5% ΔV_Z ensures symmetrical clamping thresholds, reducing common-mode noise injection into LIN receiver.

Use Scenario: Providing isolated, low-drift reference for biopotential amplifier stages measuring ECG/EEG signals.

IC Role / Device Role / Timing Role: One Zener element supplies 3.6V reference to instrumentation amplifier; second stabilizes bias voltage for active filter stages.

Use Value: Matched TC and voltage minimizes offset drift <0.5 µV/°C across patient temperature range (35–42°C).

Equivalent & Alternatives

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

Alternative Part	Technical Difference	Application Difference	Selection Advice
BZX84-C3V6LT1G	Single 3.6V Zener in SOT23; no dual-element matching or common-anode topology	Requires two devices for dual-rail use; adds 0.5mm PCB area and routing complexity	Select when only one regulated node is needed and cost-per-device is prioritized over layout density
DZ23C3V6-7-F	Common-cathode dual Zener; same voltage range but inverted polarity configuration	Suitable for applications where cathodes must be tied to supply rail instead of ground	Choose when system architecture requires cathode-common biasing (e.g., high-side sensing with floating ground)

Compared with BZX84-C3V6LT1G and DZ23C3V6-7-F, AZ23C3V6-7-F uniquely delivers matched dual-Zener performance in a common-anode layout-critical for differential reference stability and compact bidirectional clamping without additional passive components.

Availability

AZ23C3V6-7-F is available at Aetrix Electronics and suitable for industrial sensor signal conditioning, USB-C power delivery monitoring, and automotive body control module IO protection requiring stable component supply and long-term manufacturing continuity.

Supply support for AZ23C3V6-7-F 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

Diodes Incorporated is a global manufacturer of discrete semiconductors and analog ICs, specializing in high-reliability components for industrial, automotive, and computing markets.

AZ23C3V6-7-F belongs to the AZ23C series of dual Zener diodes engineered for precision voltage referencing and transient suppression in space-constrained, thermally demanding applications.

FAQ

What is the maximum continuous reverse current (I_ZK) before knee conduction for AZ23C3V6-7-F?

The device specifies a maximum knee impedance (Z_ZK) of 500Ω at I_ZK = 1.0mA, meaning it enters regulated breakdown at approximately 1mA. Below this threshold, reverse leakage remains ≤0.1µA at VR = 0.1µA, confirming sharp knee behavior essential for accurate low-current reference use.

Can AZ23C3V6-7-F be used in place of a single Zener diode like BZX84-C3V6?

Yes, but only one cathode (Pin 2 or Pin 3) should be used with the common anode (Pin 1) grounded or biased appropriately. Using both cathodes simultaneously requires careful consideration of shared anode current summation and thermal coupling-designs must ensure total dissipation stays within 300mW.

Is the SOT23 package of AZ23C3V6-7-F compatible with standard reflow profiles for lead-free assembly?

Yes-the device uses matte tin finish over alloy-42 leadframe and is qualified for lead-free soldering per J-STD-020 Level 1 moisture sensitivity. Recommended peak reflow temperature is 260°C for ≤30 seconds, consistent with IPC/JEDEC J-STD-020D.1 Class 3 guidelines.

Does AZ23C3V6-7-F meet AEC-Q200 requirements for passive components?

No-it is qualified to AEC-Q101 (for discrete semiconductors), not AEC-Q200 (for passive components). Its qualification covers HBM/MM ESD, temperature cycling, and high-temperature operating life testing appropriate for Zener diodes, but it does not undergo vibration or mechanical shock tests mandated for AEC-Q200.

AZ23C3V6-7-F Specifications

Product attributes: Attribute value

Manufacturer:: Diodes Incorporated

Series:: -

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

Packaging:: Tape & Reel (TR)

Product Status:: Active

Configuration:: 1 Pair Common Anode

Voltage - Zener (Nom) (Vz):: 3.6 V

Tolerance:: ±5%

Power - Max:: 300 mW

Impedance (Max) (Zzt):: 95 Ohms

Current - Reverse Leakage @ Vr:: -

Voltage - Forward (Vf) (Max) @ If:: -

Operating Temperature:: -65°C ~ 150°C

Grade:: -

Qualification:: -

Mounting Type:: Surface Mount

Supplier Device Package:: SOT-23-3

AZ23C3V6-7-F FAQ

1.How can I place an order for AZ23C3V6-7-F through Aetrix?

Please submit a Request for Quotation (RFQ) for AZ23C3V6-7-F 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 AZ23C3V6-7-F reliable?

The price and inventory of AZ23C3V6-7-F are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for AZ23C3V6-7-F is usually 5 days.

3.What payment methods are accepted for AZ23C3V6-7-F?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for AZ23C3V6-7-F transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for AZ23C3V6-7-F?

AZ23C3V6-7-F orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your AZ23C3V6-7-F 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 AZ23C3V6-7-F?

For technical support, including AZ23C3V6-7-F datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your AZ23C3V6-7-F requirements.

6.How does Aetrix verify that AZ23C3V6-7-F is sourced from the original manufacturer or authorized distributors?

All AZ23C3V6-7-F 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 AZ23C3V6-7-F meets industry standards.

7.What is the process for return or replacement of AZ23C3V6-7-F?

All AZ23C3V6-7-F units undergo pre-shipment inspection (PSI). If there is an issue with AZ23C3V6-7-F, 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 AZ23C3V6-7-F part is unused and in its original packaging.

Return procedure for AZ23C3V6-7-F:

1.Submit a request within 90 days.

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

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