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Diodes Incorporated PD3Z284C3V0-7
- Part No.:
- PD3Z284C3V0-7
- Manufacturer:
- Diodes Incorporated
- Category:
- Single Zener Diodes
- Package:
- PowerDI™ 323
- Datasheet:
-
PD3Z284C3V0-7.pdf
- Description:
- DIODE ZENER 3V 500MW POWERDI323
- Quantity:
- Payment:
- Shipping:
Inventory:3,000
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Product details
Overview
PD3Z284C3V0-7 from Diodes Incorporated is a 3.0 V, 500 mW surface-mount Zener diode in PowerDI™323 package, featuring ±0.2 V tolerance at 5 mA test current, 95 Ω maximum Zener impedance, and AEC-Q101 qualification for automotive-grade reliability. It provides precise voltage regulation in low-power biasing and reference circuits.
For engineers reviewing the PD3Z284C3V0-7 datasheet, PD3Z284C3V0-7 pinout, PD3Z284C3V0-7 application, or PD3Z284C3V0-7 equivalent, key selection criteria include nominal Zener voltage (3.0 V), power dissipation (500 mW), thermal resistance (250 °C/W), reverse leakage (≤10 µA at 1.0 V), and automotive qualification status.
Technical Context
This Zener diode operates in reverse breakdown mode with a specified test current of 5 mA and exhibits a negative temperature coefficient of –3.5 mV/°C, enabling predictable drift compensation in stable reference designs. Its planar die construction ensures consistent breakdown characteristics and low dynamic impedance.
The device is rated for operation from –65 °C to +150 °C and features matte tin–annealed copper terminals compliant with MIL-STD-202 solderability requirements. Moisture sensitivity level is rated at Level 1 per J-STD-020D, eliminating bake requirements prior to reflow.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Zener Voltage (VZ) | 3.0 V nominal, 2.8–3.2 V range at IZT = 5 mA - defines precision voltage clamp point |
| Power Dissipation (PD) | 500 mW - sets maximum continuous power handling on standard PCB layout |
| Zener Impedance (ZZT) | 95 Ω max at 1 kHz - determines AC regulation stability under varying load |
| Reverse Leakage (IR) | ≤10 µA at VR = 1.0 V - ensures minimal quiescent current in standby bias networks |
| Thermal Resistance (RθJA) | 250 °C/W - defines junction-to-ambient temperature rise per watt dissipated |
| Operating Temperature | –65 °C to +150 °C - supports under-hood automotive and industrial ambient conditions |
| Temperature Coefficient | –3.5 mV/°C - enables predictable voltage drift correction in temperature-critical references |
Pinout & Package
Package: PowerDI™323 - ultra-small surface-mount plastic case (2.50 × 1.90 × 0.13 mm), UL 94V-0 rated, lead-free and RoHS-compliant, with cathode band polarity marking.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Forward conduction terminal / Zener cathode reference ground | Connected to circuit ground or lower-potential node in shunt regulation configuration |
| Cathode | Reverse-biased Zener terminal / voltage reference output | Connected to regulated node; voltage clamped to 3.0 V relative to anode when reverse-biased above knee |
Key Features
| Feature | Design Value |
|---|---|
| Planar die construction | Ensures tight VZ distribution and repeatable Zener knee characteristics across production lots |
| AEC-Q101 qualification | Validates reliability for automotive electronics including engine control modules and body controllers |
| Green molding compound (no Br/Sb) | Meets environmental compliance mandates without compromising flame-retardant performance (UL 94V-0) |
| Moisture Sensitivity Level 1 | Enables direct placement and reflow without pre-bake, reducing manufacturing overhead |
Applications
| Automotive Engine Control Unit (ECU) Biasing | Industrial Sensor Signal Conditioning |
|---|---|
Use Scenario: Providing stable 3.0 V reference for microcontroller reset circuits and analog front-end biasing in under-hood ECUs. IC Role / Device Role / Timing Role: Shunt voltage reference regulating supply rail integrity during cold-crank transients. Use Value: Maintains functional reset threshold despite battery dips to 6 V, leveraging low dynamic impedance and wide temperature range. | Use Scenario: Setting precision bias points for bridge-based pressure and temperature sensors in factory automation systems. IC Role / Device Role / Timing Role: Low-drift Zener reference source for ratiometric ADC excitation and offset trimming. Use Value: Delivers <±2% voltage accuracy over –40 °C to +125 °C, minimizing sensor calibration drift. |
| Consumer Power Adapter Feedback Network | Medical Diagnostic Equipment Reference |
Use Scenario: Secondary-side voltage sensing in isolated flyback converters for USB-C chargers and wall adapters. IC Role / Device Role / Timing Role: Zener element in optocoupler feedback loop to regulate output voltage within ±5% tolerance. Use Value: Enables compact design via 2.5 mm × 1.9 mm footprint while sustaining 500 mW dissipation at full load. | Use Scenario: Stable voltage reference for analog signal chain stages in portable ECG and pulse oximeter modules. IC Role / Device Role / Timing Role: Low-noise, low-leakage shunt reference for instrumentation amplifier biasing and DAC output buffering. Use Value: Limits input-referred offset error to <15 µV/°C via matched –3.5 mV/°C TC and sub-10 µA leakage at 1 V reverse bias. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar Zener voltage regulation applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| D3Z3V0BF-7 | Same 3.0 V nominal Zener, but in SOD-323 package; 350 mW rating; lower ZZT (40 Ω); no AEC-Q101 qualification | Targeted at cost-sensitive consumer electronics, not automotive environments | Select when board space allows SOD-323 and AEC-Q101 is unnecessary |
| BZX384-C3V0,115 | 3.0 V Zener in SOD-323; 300 mW rating; ±5% tolerance (vs. ±6.7% here); higher IR (50 µA at 1 V) | General-purpose industrial use; lacks automotive qualification and green compound | Choose only for non-automotive, non-high-reliability applications where tighter initial tolerance is prioritized |
Compared with D3Z3V0BF-7 and BZX384-C3V0,115, PD3Z284C3V0-7 offers superior thermal robustness (500 mW vs. ≤350 mW), automotive qualification, and lower leakage-making it the sole choice for AEC-Q101–compliant designs requiring >300 mW dissipation.
Availability
PD3Z284C3V0-7 is available at Aetrix Electronics and suitable for automotive engine control units, industrial sensor interfaces, and medical diagnostic equipment requiring stable component supply and long-term lifecycle support.
Supply support for PD3Z284C3V0-7 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.
PD3Z284C3V0-7 belongs to the PD3ZxxC series of AEC-Q101–qualified Zener diodes designed specifically for automotive voltage reference and biasing applications demanding extended temperature operation and process consistency.
FAQ
Is PD3Z284C3V0-7 suitable for new automotive designs?
No - Diodes Incorporated explicitly marks this part as "NOT RECOMMENDED FOR NEW DESIGNS" and directs users to the D3ZxxBF Series. While fully qualified and functional, it has been superseded due to improved Zener impedance, tighter tolerances, and enhanced manufacturability in the newer series.
What is the meaning of the "0A" marking code on PD3Z284C3V0-7?
The "0A" marking appears on the device body and corresponds to the Zener voltage variant (3.0 V) per the Electrical Characteristics Table. It is used for visual identification during assembly and inspection, distinct from date codes or lot identifiers.
Can PD3Z284C3V0-7 be used in place of a 3.3 V Zener diode?
No - its nominal Zener voltage is 3.0 V (2.8–3.2 V range), not 3.3 V. Substituting it for a 3.3 V part would result in ~0.3 V lower regulation voltage, potentially causing undervoltage faults in circuits relying on precise 3.3 V thresholds.
Does PD3Z284C3V0-7 require derating above 25°C ambient?
Yes - its power dissipation must be linearly derated above 25°C using the 250 °C/W thermal resistance. At 85°C ambient, maximum allowable power drops to 350 mW; at 125°C, it falls to 200 mW, per the published derating curve.
PD3Z284C3V0-7 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Diodes Incorporated
- Series:
- -
- Package/Case:
- PowerDI™ 323
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Voltage - Zener (Nom) (Vz):
- 3 V
- Tolerance:
- ±6.67%
- Power - Max:
- 500 mW
- Impedance (Max) (Zzt):
- 95 Ohms
- Current - Reverse Leakage @ Vr:
- 10 µA @ 1 V
- Voltage - Forward (Vf) (Max) @ If:
- 1.1 V @ 100 mA
- Operating Temperature:
- -65°C ~ 150°C (TJ)
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- PowerDI™ 323
PD3Z284C3V0-7 FAQ
1.How can I place an order for PD3Z284C3V0-7 through Aetrix?
Please submit a Request for Quotation (RFQ) for PD3Z284C3V0-7 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 PD3Z284C3V0-7 reliable?
The price and inventory of PD3Z284C3V0-7 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for PD3Z284C3V0-7 is usually 5 days.
3.What payment methods are accepted for PD3Z284C3V0-7?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for PD3Z284C3V0-7 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for PD3Z284C3V0-7?
PD3Z284C3V0-7 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your PD3Z284C3V0-7 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 PD3Z284C3V0-7?
For technical support, including PD3Z284C3V0-7 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your PD3Z284C3V0-7 requirements.
6.How does Aetrix verify that PD3Z284C3V0-7 is sourced from the original manufacturer or authorized distributors?
All PD3Z284C3V0-7 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 PD3Z284C3V0-7 meets industry standards.
7.What is the process for return or replacement of PD3Z284C3V0-7?
All PD3Z284C3V0-7 units undergo pre-shipment inspection (PSI). If there is an issue with PD3Z284C3V0-7, 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 PD3Z284C3V0-7 part is unused and in its original packaging.
Return procedure for PD3Z284C3V0-7:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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