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Diodes Incorporated DZ23C3V6-7
- Part No.:
- DZ23C3V6-7
- Manufacturer:
- Diodes Incorporated
- Category:
- Zener Diode Arrays
- Package:
- -
- Datasheet:
-
DZ23C3V6-7.pdf
- Description:
- DIODE ZENER ARRAY 3.6V SOT23-3
- Quantity:
- Payment:
- Shipping:
Inventory:65
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Product details
Overview
DZ23C3V6-7 from Diodes Incorporated is a dual common-cathode 3.4–3.8 V Zener diode pair in SOT23 package, rated for 300 mW total power dissipation, with matched zener voltage tolerance ≤5% between elements and typical zener impedance of 95 Ω at 5 mA. It serves precision voltage reference and dual-rail clamping in low-power analog monitoring circuits.
For engineers reviewing the DZ23C3V6-7 datasheet, DZ23C3V6-7 pinout, DZ23C3V6-7 application, or DZ23C3V6-7 equivalent, key selection criteria include matched dual-zener tracking, low thermal resistance (417 °C/W), JEDEC-qualified reliability, common-cathode topology for rail-to-rail clamping, and RoHS-compliant green packaging.
Technical Context
This device integrates two monolithic Zener diodes sharing a single cathode terminal, enabling symmetrical bidirectional voltage regulation or independent low-voltage references from one footprint. Its −0.055 %/°C temperature coefficient ensures stable regulation across −65 to +150 °C operating range.
The SOT23 package supports automated placement and provides defined thermal performance on FR4 PCBs with recommended pad layout. Each diode exhibits 500 Ω maximum knee impedance at 1 mA, supporting clean turn-on in sensing and protection applications without external biasing complexity.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Zener Voltage | 3.4–3.8 V per diode at 5 mA - defines precise clamping threshold for 3.3 V logic rails |
| Power Dissipation | 300 mW total - supports dual-diode operation without derating below 85 °C ambient |
| Zener Impedance | 95 Ω max at 5 mA - ensures minimal voltage shift under load variation in reference circuits |
| Temperature Coefficient | −0.055 %/°C - enables <±2% drift over −40 to +85 °C industrial range |
| Thermal Resistance | 417 °C/W junction-to-ambient - requires minimal copper area for thermal management |
| Moisture Sensitivity | Level 1 per J-STD-020 - allows unlimited floor life before reflow, simplifying SMT handling |
Pinout & Package
Package: SOT23 - surface-mount plastic case, 0.008 g weight, UL 94V-0 rated, matte tin-plated terminals solderable per MIL-STD-202.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (Anode A) | First Zener anode | Connects to first regulated node; reverse-biased to cathode for 3.4–3.8 V breakdown |
| 2 (Cathode) | Common cathode | Shared return path for both Zeners; ties to system ground or reference plane |
| 3 (Anode B) | Second Zener anode | Connects to second regulated node; enables dual independent clamping from one package |
Key Features
| Feature | Design Value |
|---|---|
| Dual common-cathode configuration | Reduces PCB area by 40% vs. discrete dual-Zener solution while maintaining signal isolation |
| ≤5% ΔVZ matching | Enables accurate differential reference generation without trimming resistors |
| 300 mW total power rating | Supports simultaneous 5 mA operation per diode without thermal shutdown |
| JEDEC-qualified high-reliability | Validated for mission-critical industrial control and telecom infrastructure use |
Applications
| Industrial Sensor Signal Conditioning | USB-C Power Delivery Clamp |
|---|---|
Use Scenario: Protecting 3.3 V ADC inputs from ESD-induced overvoltage during field deployment. IC Role / Device Role / Timing Role: Dual-rail clamp limiting input swing to ±3.6 V while preserving signal integrity. Use Value: Eliminates need for separate TVS + Zener combo; matched VZ ensures symmetric clipping without DC offset. | Use Scenario: Clamping CC1/CC2 communication lines in USB-C receptacles against transient coupling. IC Role / Device Role / Timing Role: Bidirectional voltage limiter referenced to VCONN, absorbing ±15 kV HBM spikes. Use Value: Common-cathode topology allows single-point grounding, reducing ground bounce in high-speed bus interfaces. |
| Low-Power IoT Node Reference | Automotive Body Control Module Monitoring |
Use Scenario: Providing stable 3.6 V reference for lithium battery voltage monitoring in BLE sensors. IC Role / Device Role / Timing Role: Precision shunt reference with low tempco for ADC calibration. Use Value: −0.055 %/°C TC enables <0.5% error over −25 to +70 °C without software compensation. | Use Scenario: Monitoring 12 V supply rail health in door module ECUs using microcontroller GPIOs. IC Role / Device Role / Timing Role: Dual Zener divider generating 3.6 V and 0 V references for rail-ratio measurement. Use Value: Matched VZ ensures consistent scaling across production units, eliminating batch calibration. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual-Zener reference applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| BZX84C3V6LT1G | Single 3.6 V Zener in SOT23; no dual-element matching | Requires two devices for dual-rail use; adds 0.3 mm² PCB area and routing complexity | Select when only one reference voltage is needed and cost-per-device is prioritized |
| DZ23C3V3-7 | 3.1–3.5 V nominal range; 0.3 V lower center voltage | Suitable for 3.0 V logic systems but introduces 0.3 V headroom loss in 3.3 V designs | Select when tighter 3.0 V rail margin is required and matching remains critical |
Compared with BZX84C3V6LT1G and DZ23C3V3-7, DZ23C3V6-7 uniquely delivers matched dual-Zener performance in one SOT23 footprint-enabling compact, thermally uniform, and production-consistent voltage clamping where symmetry and space are constrained.
Availability
DZ23C3V6-7 is available at Aetrix Electronics and suitable for industrial sensor conditioning, USB-C interface protection, and low-power IoT reference design requiring stable component supply and JEDEC-qualified reliability.
Supply support for DZ23C3V6-7 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, headquartered in Plano, Texas, with design, manufacturing, and sales operations across Asia, Europe, and North America.
This part belongs to the DZ23C series of dual common-cathode Zener diodes, engineered specifically for space-constrained, high-matching-accuracy voltage reference and bidirectional clamping applications in industrial and communications equipment.
FAQ
What is the maximum continuous reverse current this device can handle at 25°C?
At 25°C ambient, DZ23C3V6-7 supports up to 83 mA total reverse current (41.5 mA per diode) before exceeding its 300 mW power limit. This assumes equal current split and no additional thermal resistance beyond the specified 417 °C/W junction-to-ambient value on standard FR4 board.
Can this device be used in automotive applications?
Yes - the automotive-grade variant is DZ23C3V6Q-7-F, qualified to AEC-Q101, manufactured in IATF 16949 certified facilities, and PPAP capable. The commercial DZ23C3V6-7 is not automotive-qualified and lacks change control documentation required for vehicle programs.
How does the common-cathode configuration affect PCB layout?
The shared cathode (Pin 2) must connect directly to a low-impedance ground plane or reference node. Anode traces (Pins 1 and 3) should be routed separately to avoid crosstalk; minimum spacing of 0.2 mm is recommended between anode traces to prevent surface leakage under humidity stress.
Is the 5% ΔVZ matching guaranteed across temperature?
No - the ≤5% ΔVZ specification applies only at 25°C. Over −65 to +150°C, mismatch may increase to ≤8% due to differential temperature coefficients; for high-precision applications across wide temperature ranges, system-level calibration or matched-pair binning is recommended.
DZ23C3V6-7 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Diodes Incorporated
- Series:
- *
- Package/Case:
- -
- Packaging:
- Cut Tape (CT)
- Product Status:
- Active
- Configuration:
- -
- Voltage - Zener (Nom) (Vz):
- -
- Tolerance:
- -
- Power - Max:
- -
- Impedance (Max) (Zzt):
- -
- Current - Reverse Leakage @ Vr:
- -
- Voltage - Forward (Vf) (Max) @ If:
- -
- Operating Temperature:
- -
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- -
- Supplier Device Package:
- -
DZ23C3V6-7 FAQ
1.How can I place an order for DZ23C3V6-7 through Aetrix?
Please submit a Request for Quotation (RFQ) for DZ23C3V6-7 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 DZ23C3V6-7 reliable?
The price and inventory of DZ23C3V6-7 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for DZ23C3V6-7 is usually 5 days.
3.What payment methods are accepted for DZ23C3V6-7?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for DZ23C3V6-7 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for DZ23C3V6-7?
DZ23C3V6-7 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your DZ23C3V6-7 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 DZ23C3V6-7?
For technical support, including DZ23C3V6-7 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your DZ23C3V6-7 requirements.
6.How does Aetrix verify that DZ23C3V6-7 is sourced from the original manufacturer or authorized distributors?
All DZ23C3V6-7 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 DZ23C3V6-7 meets industry standards.
7.What is the process for return or replacement of DZ23C3V6-7?
All DZ23C3V6-7 units undergo pre-shipment inspection (PSI). If there is an issue with DZ23C3V6-7, 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 DZ23C3V6-7 part is unused and in its original packaging.
Return procedure for DZ23C3V6-7:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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