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

Diodes Incorporated DZ23C24-7-F

Name: DZ23C24-7-F
Brand: Diodes Incorporated
SKU: DZ23C24-7-F
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: DZ23C24-7-F

Manufacturer:: Diodes Incorporated

Category:: Zener Diode Arrays

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

Datasheet:: DZ23C24-7-F.pdf

Description:: DIODE ZENER ARRAY 24V SOT23-3

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Product details

Overview

DZ23C24-7-F from Diodes Incorporated is a dual common-cathode 24V Zener diode pair in SOT23 package, rated for 300mW total power dissipation, with zener voltage range 22.8–25.6V at 5mA test current, ±5% matching between diodes, and temperature coefficient +0.090%/°C. It provides precision voltage reference and overvoltage clamping in compact dual-diode configuration for space-constrained power rail monitoring.

For engineers reviewing the DZ23C24-7-F datasheet, DZ23C24-7-F pinout, DZ23C24-7-F application, or DZ23C24-7-F equivalent, this part supports dual-rail voltage regulation, matched clamping in differential sensing circuits, and low-profile ESD protection where tight V_Z tracking between two diodes is required.

Technical Context

This dual Zener operates in reverse breakdown mode with two anodes (Pin 1 and Pin 3) sharing a common cathode (Pin 2), enabling independent but thermally coupled voltage references. Its matched V_Z tolerance (≤5%) and stable TC (+0.090%/°C) support high-accuracy biasing in analog front-ends and feedback networks.

The device uses silicon planar epitaxial construction with matte tin-plated alloy 42 leads, qualified to JEDEC reliability standards, and exhibits 220Ω maximum zener impedance at I_ZK = 1.0mA and 80Ω typical at I_ZT = 5.0mA - critical for low-noise reference stability under varying load conditions.

Key Specifications

Parameter	Value and Actual Design Meaning
Zener Voltage Range	22.8–25.6V at 5mA - defines usable regulation window for 24V nominal systems
Power Dissipation	300mW total - limits continuous current to ~12.5mA at 24V without derating
V_Z Matching	≤5% ΔV_Z between diodes - enables matched clamping in differential signal paths
Temperature Coefficient	+0.090%/°C - ensures predictable V_Z drift across –65°C to +150°C operating range
Zener Impedance	80Ω typical at 5mA - determines output impedance and ripple rejection in reference applications
Package	SOT23 - surface-mount footprint compatible with automated assembly and 0.65mm pitch PCB layouts

Pinout & Package

Package: SOT23 - 3-pin plastic molded case, 0.008g weight, UL 94V-0 flammability rating, moisture sensitivity level 1.

Pin/Terminal	Circuit Role	Design Meaning
Pin 1	Anode of Diode 1	Independent input node for first Zener; connects to regulated rail or signal path requiring clamping
Pin 2	Common Cathode	Shared output node; ties both Zeners to reference potential (e.g., ground or bias voltage)
Pin 3	Anode of Diode 2	Independent input node for second Zener; enables dual-rail or differential clamping topology

Key Features

Feature	Design Value
Dual common-cathode configuration	Enables independent yet thermally coupled voltage references without external wiring
300mW total power rating	Supports simultaneous operation of both diodes up to 12.5mA each at 24V with safe thermal margin
≤5% V_Z matching	Reduces offset error in differential clamp or dual-supply monitor circuits
JEDEC-qualified reliability	Validated for high-reliability industrial and commercial use per AEC-Q baseline standards

Applications

Industrial Power Monitoring

Automotive Sensor Biasing

Use Scenario: Monitoring dual 24V supply rails in PLC I/O modules with fault detection logic.

IC Role / Device Role / Timing Role: Dual Zener provides matched overvoltage threshold detection on +24V and –24V rails relative to common ground.

Use Value: ≤5% V_Z matching ensures consistent trip points across temperature, reducing false alarms in safety-critical monitoring.

Use Scenario: Providing stable bias voltage for Hall-effect position sensors in EPS (Electric Power Steering) control units.

IC Role / Device Role / Timing Role: One Zener sets reference for sensor amplifier; second serves as rail clamp against load-dump transients.

Use Value: Common-cathode architecture minimizes board area while maintaining isolation between reference and protection functions.

Medical Instrumentation Reference

Telecom Line Interface Protection

Use Scenario: Generating matched reference voltages for dual-channel ADC front-ends in portable ultrasound devices.

IC Role / Device Role / Timing Role: Two Zeners supply identical 24V references to separate analog signal chains for channel calibration.

Use Value: +0.090%/°C TC and tight matching ensure <±0.5% reference drift over –20°C to +70°C operating range.

Use Scenario: Clamping differential data lines (e.g., RS-485) against ESD and surge events in base station backhaul interfaces.

IC Role / Device Role / Timing Role: Anodes connected to A/B lines; common cathode tied to local ground - forms bidirectional transient suppressor.

Use Value: 300mW rating and SOT23 footprint allow integration into dense line-card layouts without heatsinking.

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
BZX79-C24,113	Single 24V Zener in DO-35 package; no dual configuration or V_Z matching spec	Requires two discrete devices and external matching; larger footprint and higher assembly cost	Select when only one reference is needed or legacy through-hole assembly is mandated
DZ23C27-7-F	27V nominal zener pair; same package, pinout, and matching performance (≤5% ΔV_Z)	Used where higher clamping threshold is required (e.g., 28V automotive systems)	Select for 27V system compatibility; not interchangeable due to 3V V_Z shift

Compared with BZX79-C24,113 and DZ23C27-7-F, DZ23C24-7-F uniquely delivers matched 24V dual-reference capability in a single SOT23 footprint - essential for miniaturized differential sensing and dual-rail protection where thermal coupling and layout symmetry matter.

Availability

DZ23C24-7-F is available at Aetrix Electronics and suitable for industrial power monitoring, automotive sensor biasing, medical instrumentation reference, and telecom line interface protection requiring stable component supply and JEDEC-qualified reliability.

Supply support for DZ23C24-7-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, computing, and automotive markets.

The DZ23 series targets compact, matched dual-Zener applications in automated SMT assembly - designed specifically for space-constrained voltage reference, clamping, and biasing where thermal tracking and footprint efficiency are critical.

FAQ

What is the maximum continuous reverse current for reliable operation at 24V?

At 24V, the maximum continuous reverse current is 12.5mA - derived from the 300mW total power rating divided by 24V. Exceeding this value risks thermal runaway, especially above 85°C ambient, due to the 417°C/W junction-to-ambient thermal resistance.

Can Pin 1 and Pin 3 be used simultaneously with different load conditions?

Yes - Pin 1 and Pin 3 operate independently as anodes of separate Zeners sharing Pin 2 (common cathode). Each can sink up to 12.5mA continuously, provided total power remains ≤300mW and thermal design accommodates combined dissipation.

Is DZ23C24-7-F suitable for automotive applications?

No - DZ23C24-7-F is commercial-grade. For automotive use, select the Q-suffix variant (e.g., DZ23C24Q-7-F), which is AEC-Q101 qualified, PPAP-capable, and manufactured in IATF 16949 certified facilities.

How does the +0.090%/°C temperature coefficient affect accuracy over temperature?

Over a 100°C range (e.g., –25°C to +75°C), V_Z shifts by +9%, or ~2.16V for a 24V nominal device. This must be accounted for in precision reference designs; tighter accuracy requires compensation or selection of lower-TC variants like DZ23C6V2-7-F (+0.030%/°C).

DZ23C24-7-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 Cathode

Voltage - Zener (Nom) (Vz):: 24 V

Tolerance:: ±5%

Power - Max:: 300 mW

Impedance (Max) (Zzt):: 80 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

DZ23C24-7-F FAQ

1.How can I place an order for DZ23C24-7-F through Aetrix?

Please submit a Request for Quotation (RFQ) for DZ23C24-7-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 DZ23C24-7-F reliable?

The price and inventory of DZ23C24-7-F are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for DZ23C24-7-F is usually 5 days.

3.What payment methods are accepted for DZ23C24-7-F?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for DZ23C24-7-F transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for DZ23C24-7-F?

DZ23C24-7-F orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your DZ23C24-7-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 DZ23C24-7-F?

For technical support, including DZ23C24-7-F datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your DZ23C24-7-F requirements.

6.How does Aetrix verify that DZ23C24-7-F is sourced from the original manufacturer or authorized distributors?

All DZ23C24-7-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 DZ23C24-7-F meets industry standards.

7.What is the process for return or replacement of DZ23C24-7-F?

All DZ23C24-7-F units undergo pre-shipment inspection (PSI). If there is an issue with DZ23C24-7-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 DZ23C24-7-F part is unused and in its original packaging.

Return procedure for DZ23C24-7-F:

1.Submit a request within 90 days.

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

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