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Diodes Incorporated PD3Z284C2V4-7
- Part No.:
- PD3Z284C2V4-7
- Manufacturer:
- Diodes Incorporated
- Category:
- Single Zener Diodes
- Package:
- PowerDI™ 323
- Datasheet:
-
PD3Z284C2V4-7.pdf
- Description:
- DIODE ZENER 2.4V 500MW PWRDI323
- Quantity:
- Payment:
- Shipping:
Inventory:2,613
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Product details
Overview
PD3Z284C2V4-7 from Diodes Incorporated is a 2.4 V, 500 mW surface-mount Zener diode in PowerDI™323 package, featuring 2.2–2.6 V zener voltage tolerance at 5 mA test current, 100 Ω maximum zener impedance, and AEC-Q101 qualification for automotive-grade reliability. It provides precision voltage regulation in low-power biasing and reference circuits.
For engineers reviewing the PD3Z284C2V4-7 datasheet, PD3Z284C2V4-7 pinout, PD3Z284C2V4-7 application, or PD3Z284C2V4-7 equivalent, key selection criteria include zener voltage tolerance (±0.2 V), thermal resistance (250 °C/W), reverse leakage (≤50 µA at 1.0 V), and RoHS-compliant matte tin terminations.
Technical Context
This Zener diode operates in reverse breakdown mode to maintain stable voltage across its terminals under varying load or supply conditions. Its planar die construction and ultra-small PowerDI323 package enable high-density PCB layouts while meeting stringent automotive reliability standards (AEC-Q101).
The device exhibits a negative temperature coefficient of –3.5 mV/°C and supports continuous power dissipation up to 500 mW at 25 °C ambient, derating linearly above 25 °C per the published curve. Maximum reverse current is specified at 50 µA for VR = 1.0 V, confirming tight leakage control for low-current reference applications.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Zener Voltage (VZ) | 2.4 V nominal, 2.2–2.6 V range at 5 mA - ensures ±0.2 V regulation window for precision biasing |
| Power Dissipation (PD) | 500 mW - supports sustained operation in compact, thermally constrained layouts |
| Zener Impedance (ZZT) | 100 Ω max at 5 mA - limits output voltage variation under dynamic load changes |
| Reverse Leakage (IR) | 50 µA max at VR = 1.0 V - enables low-quiescent-current reference designs |
| Thermal Resistance (RθJA) | 250 °C/W - defines junction-to-ambient rise per watt; requires minimal copper area for safe operation |
| Temperature Coefficient | –3.5 mV/°C - quantifies voltage drift with temperature; critical for temperature-stable references |
| Package | PowerDI323 - 2.5 × 1.9 mm footprint with cathode band marking and matte tin terminations |
Pinout & Package
PowerDI323 is a two-terminal surface-mount package with cathode marked by a band on the top surface. Terminals are matte tin-plated copper; polarity is unambiguous via cathode band orientation.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Forward conduction terminal / Zener cathode reference ground | Connected to circuit ground or lower-potential node; establishes reference return path |
| Cathode | Reverse-biased Zener terminal / regulated output node | Connected to voltage source; delivers stable 2.4 V to load when reverse biased above breakdown |
Key Features
| Feature | Design Value |
|---|---|
| Planar die construction | Enables consistent breakdown characteristics and improved long-term stability vs. diffused junctions |
| AEC-Q101 qualification | Validates suitability for automotive electronics including engine control and body modules |
| Lead-free, RoHS-compliant | Meets global environmental compliance without compromising solderability or reliability |
| "Green" molding compound | Halogen-free (no Br, Sb) material meets UL 94V-0 flammability rating for safety-critical PCBs |
Applications
| Automotive Sensor Biasing | Industrial Analog Reference |
|---|---|
Use Scenario: Providing stable excitation voltage to resistive temperature detectors (RTDs) in engine coolant sensors. IC Role / Device Role / Timing Role: Zener diode acting as precision shunt reference for analog front-end conditioning circuitry. Use Value: Maintains 2.4 V reference within ±0.2 V over temperature, enabling <±0.5% sensor measurement accuracy. | Use Scenario: Generating fixed reference for 12-bit ADC input scaling in programmable logic controller (PLC) analog I/O modules. IC Role / Device Role / Timing Role: Low-drift shunt regulator supplying reference node to op-amp buffer stage. Use Value: Delivers <50 µA leakage at 1 V reverse bias, minimizing error contribution in high-impedance reference paths. |
| Consumer Power Management | Medical Diagnostic Equipment |
Use Scenario: Regulating standby voltage for microcontroller reset circuitry in smart home hubs. IC Role / Device Role / Timing Role: Zener clamp protecting reset pin against overvoltage during brown-out recovery. Use Value: Withstands 500 mW surge and maintains 2.4 V clamping threshold with <100 Ω dynamic impedance. | Use Scenario: Supplying calibrated reference for photodiode transimpedance amplifier in portable pulse oximeters. IC Role / Device Role / Timing Role: Precision shunt reference stabilizing gain-setting network in analog signal chain. Use Value: –3.5 mV/°C tempco allows predictable compensation in battery-powered, temperature-sensitive diagnostics. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar Zener diode applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| D3Z2V4BF-7 | Same 2.4 V nominal, but 250 mW rating and SOD-323 package; lower thermal resistance (200 °C/W) | Better suited for space-constrained, low-power designs where 500 mW headroom is unnecessary | Select when board area is critical and power demand is ≤250 mW |
| BZX384-C2V4,115 | 2.4 V, 300 mW, SOT-23 package; higher ZZT (150 Ω) and no AEC-Q101 qualification | Targeted at commercial-grade consumer electronics, not automotive or industrial environments | Choose only for cost-sensitive non-automotive applications with relaxed reliability requirements |
Compared with D3Z2V4BF-7 and BZX384-C2V4,115, PD3Z284C2V4-7 offers superior power handling (500 mW) and automotive qualification, making it optimal for ruggedized systems requiring both robustness and precise 2.4 V regulation.
Availability
PD3Z284C2V4-7 is available at Aetrix Electronics and suitable for automotive sensor biasing, industrial analog reference design, and medical diagnostic equipment requiring stable component supply and AEC-Q101 compliance.
Supply support for PD3Z284C2V4-7 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, specializing in high-reliability components for automotive, industrial, and computing markets.
The PD3ZxxC series targets automotive and industrial Zener applications demanding AEC-Q101 qualification, low-profile packaging, and tight voltage tolerances - designed specifically for precision voltage reference and clamping in harsh environments.
FAQ
What is the maximum reverse voltage this Zener can withstand before breakdown?
The PD3Z284C2V4-7 has a nominal zener voltage of 2.4 V at 5 mA test current, with a guaranteed breakdown range of 2.2–2.6 V. It begins regulating at voltages ≥2.2 V in reverse bias; operation below this range results in negligible reverse current (<50 µA at 1.0 V). Exceeding 2.6 V does not damage the device if power dissipation remains within 500 mW limits.
Is this part suitable for use in automotive applications?
Yes - PD3Z284C2V4-7 is qualified to AEC-Q101 standards, confirming its reliability for automotive applications including engine control units, body electronics, and ADAS sensor modules. Its PowerDI323 package, green molding compound, and operating temperature range (–65 °C to +150 °C) meet automotive environmental requirements.
How does the temperature coefficient affect circuit performance?
This Zener exhibits a temperature coefficient of –3.5 mV/°C, meaning its regulated voltage decreases by 3.5 mV per degree Celsius rise in junction temperature. In a 0–85 °C ambient range, total drift is approximately –300 mV, so system-level compensation or selection of complementary tempcos in adjacent components is required for high-accuracy references.
Can this Zener replace older through-hole 1N5221B devices?
No - while both regulate near 2.4 V, PD3Z284C2V4-7 is a surface-mount PowerDI323 device with different thermal behavior, impedance (100 Ω vs. ~20 Ω), and current capability (5 mA test vs. 20 mA). Direct replacement requires layout redesign, thermal validation, and verification of dynamic response in the target circuit.
PD3Z284C2V4-7 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Diodes Incorporated
- Series:
- -
- Package/Case:
- PowerDI™ 323
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Voltage - Zener (Nom) (Vz):
- 2.4 V
- Tolerance:
- ±8.33%
- Power - Max:
- 500 mW
- Impedance (Max) (Zzt):
- 100 Ohms
- Current - Reverse Leakage @ Vr:
- 50 µA @ 1 V
- Voltage - Forward (Vf) (Max) @ If:
- 1.1 V @ 100 mA
- Operating Temperature:
- -65°C ~ 150°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- PowerDI™ 323
PD3Z284C2V4-7 FAQ
1.How can I place an order for PD3Z284C2V4-7 through Aetrix?
Please submit a Request for Quotation (RFQ) for PD3Z284C2V4-7 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 PD3Z284C2V4-7 reliable?
The price and inventory of PD3Z284C2V4-7 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for PD3Z284C2V4-7 is usually 5 days.
3.What payment methods are accepted for PD3Z284C2V4-7?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for PD3Z284C2V4-7 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for PD3Z284C2V4-7?
PD3Z284C2V4-7 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your PD3Z284C2V4-7 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 PD3Z284C2V4-7?
For technical support, including PD3Z284C2V4-7 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your PD3Z284C2V4-7 requirements.
6.How does Aetrix verify that PD3Z284C2V4-7 is sourced from the original manufacturer or authorized distributors?
All PD3Z284C2V4-7 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 PD3Z284C2V4-7 meets industry standards.
7.What is the process for return or replacement of PD3Z284C2V4-7?
All PD3Z284C2V4-7 units undergo pre-shipment inspection (PSI). If there is an issue with PD3Z284C2V4-7, 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 PD3Z284C2V4-7 part is unused and in its original packaging.
Return procedure for PD3Z284C2V4-7:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
PD3Z284C2V4-7 Tags
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