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Diodes Incorporated GDZ12LP3Q-7
- Part No.:
- GDZ12LP3Q-7
- Manufacturer:
- Diodes Incorporated
- Category:
- Single Zener Diodes
- Package:
- 0201 (0603 Metric)
- Datasheet:
-
GDZ12LP3Q-7.pdf
- Description:
- DIODE ZENER 12V 250MW 2DFN
- Quantity:
- Payment:
- Shipping:
Inventory:2,753
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Product details
Overview
GDZ12LP3Q from Diodes Incorporated is an AEC-Q101 qualified ultra-small leadless Zener diode with nominal 12 V zener voltage (11.4–12.6 V at 5 mA), 250 mW power dissipation, 0.3 mm profile, and X3-DFN0603-2 package. It delivers low leakage (<0.1 µA at 8.0 V) and is designed for precision voltage regulation in space-constrained automotive and portable electronics.
For engineers reviewing the GDZ12LP3Q datasheet, GDZ12LP3Q pinout, GDZ12LP3Q application, or GDZ12LP3Q equivalent, key selection criteria include its 12 V zener tolerance, thermal resistance (500 °C/W), AEC-Q101 qualification, ultra-low profile (0.3 mm), and cathode-bar marking for automated placement in high-reliability PCB assemblies.
Technical Context
This Zener diode operates in reverse-bias breakdown mode to maintain stable reference voltage under varying load and temperature conditions. Its 5 mA test current and tight 11.4–12.6 V zener voltage window ensure predictable clamping behavior in low-power biasing and overvoltage protection circuits.
The device uses a copper leadframe with matte tin finish, rated for solderability per MIL-STD-202 Method 208, and exhibits moisture sensitivity level 1 per J-STD-020 - enabling robust reflow compatibility without dry-pack requirements.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Zener Voltage (VZ) | 12 V nominal, 11.4–12.6 V range at 5 mA - defines precise regulation threshold for reference and clamp circuits |
| Power Dissipation (PD) | 250 mW at +25°C - sets maximum continuous DC power handling on standard FR-4 PCB |
| Reverse Leakage (IR) | <0.1 µA at 8.0 V - enables ultra-low standby current in battery-powered sensing nodes |
| Thermal Resistance (RθJA) | 500 °C/W - determines junction temperature rise under load; requires minimal copper area for thermal management |
| Operating Temperature | −55 to +150 °C - supports under-hood automotive and industrial environments without derating |
| Package | X3-DFN0603-2 (0.6 × 0.3 × 0.3 mm) - enables 0201-class board space savings with automated optical alignment |
Pinout & Package
Package: X3-DFN0603-2 - ultra-compact, leadless, dual-terminal surface-mount package with cathode bar marking on top surface and 0.355 mm pitch between terminals.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Terminal 1 (Cathode) | Breakdown Anode Connection | Marked side with cathode bar; connects to higher-potential node during regulation/clamp operation |
| Terminal 2 (Anode) | Reference Ground Node | Unmarked terminal; ties to circuit ground or lower-potential rail for stable bias reference |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualification | Validated for automotive use with PPAP capability and IATF16949 manufacturing - eliminates qualification overhead for Tier-1 designs |
| 0.3 mm profile | Enables stacking or placement beneath connectors in ultra-thin modules (e.g., ADAS camera housings) |
| Halogen & antimony free | Meets "Green" definition (<900 ppm Br/Cl, <1000 ppm Sb) - satisfies strict environmental compliance without performance trade-offs |
| Level 1 moisture sensitivity | Zero bake requirement before reflow - reduces production line complexity and cost in high-volume SMT lines |
Applications
| Automotive Cabin Control Module | Portable Medical Sensor Node |
|---|---|
Use Scenario: Voltage reference for microcontroller ADC input scaling in HVAC control panel with wide ambient temperature swings. IC Role / Device Role / Timing Role: Precision 12 V Zener reference providing stable bias for analog front-end conditioning circuitry. Use Value: Maintains ±1.2 V regulation accuracy across −40 to +125°C, eliminating need for external trimming or temperature compensation. | Use Scenario: Overvoltage clamp protecting lithium-ion battery monitor IC inputs during hot-swap events. IC Role / Device Role / Timing Role: Fast-response transient suppressor limiting input voltage to ≤12.6 V during surge conditions. Use Value: Sub-0.1 µA leakage preserves multi-year battery life; 0.3 mm height avoids interference with flex-cable routing. |
| Industrial PLC I/O Terminal | Smart Meter Power Supply Monitor |
Use Scenario: Input voltage supervisor for isolated 24 V DC field bus interface with ESD immunity requirements. IC Role / Device Role / Timing Role: Zener-based undervoltage lockout (UVLO) threshold detector with hysteresis via external resistor divider. Use Value: Tight 11.4–12.6 V tolerance ensures consistent trip point across lot and temperature; AEC-Q101 grade assures long-term reliability in harsh factory environments. | Use Scenario: Reference voltage source for AC mains detection circuit monitoring grid presence and brownout thresholds. IC Role / Device Role / Timing Role: Stable 12 V reference feeding comparator input in meter's auxiliary power supervision block. Use Value: Low 500 °C/W RθJA allows direct mounting on meter PCB without heatsink; RoHS 3 and "Green" status meet global utility certification mandates. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar Zener diode applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| BZX384-B12,115 (Nexperia) | Same 12 V nominal, but SOD-323 package (1.7 × 1.3 × 0.9 mm); 300 mW PD; higher leakage (≤1 µA @ 8 V) | Larger footprint and height limit use in ultra-thin modules; higher leakage may affect battery runtime | Select when higher power margin is needed and board space permits larger package |
| MMSZ4687T1G (onsemi) | SOD-123 package (3.7 × 1.6 × 1.1 mm); 500 mW PD; looser tolerance (11.4–13.2 V); not AEC-Q101 qualified | Not suitable for automotive; larger size precludes dense layout; wider VZ spread increases calibration effort | Choose only for non-automotive industrial applications where cost is prioritized over size and qualification |
Compared with BZX384-B12 and MMSZ4687T1G, GDZ12LP3Q uniquely combines AEC-Q101 qualification, 0.3 mm profile, and sub-0.1 µA leakage - making it the sole option for space- and reliability-critical automotive and portable designs requiring 12 V Zener regulation.
Availability
GDZ12LP3Q is available at Aetrix Electronics and suitable for automotive cabin control modules, portable medical sensor nodes, industrial PLC I/O terminals, and smart meter power supply monitors requiring stable component supply across extended product lifecycles.
Supply support for GDZ12LP3Q 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 consumer markets.
The GDZ series belongs to Diodes' ultra-miniature Zener portfolio, engineered specifically for AEC-Q101-compliant voltage reference and protection in space-constrained, thermally demanding applications.
FAQ
What is the maximum reverse voltage (VR) that GDZ12LP3Q can withstand before breakdown?
GDZ12LP3Q begins controlled reverse breakdown at its specified zener voltage range of 11.4–12.6 V when tested at 5 mA. Below this threshold - specifically at 8.0 V - its reverse leakage is guaranteed ≤0.1 µA. It is not rated for sustained operation above 12.6 V without exceeding power limits or risking parametric shift.
Is GDZ12LP3Q compatible with lead-free reflow profiles per JEDEC J-STD-020?
Yes. GDZ12LP3Q is qualified for lead-free reflow with peak temperatures up to 260°C, and its moisture sensitivity level is rated Level 1 per J-STD-020 - meaning it may be stored indefinitely at ≤30°C/60% RH without baking prior to assembly.
How does the X3-DFN0603-2 package affect thermal performance compared to traditional SOD-123 diodes?
The X3-DFN0603-2 package has higher thermal resistance (500 °C/W) than SOD-123 packages (~300 °C/W), due to its minimal copper exposure and tiny die attach area. This requires careful PCB pad design per Diodes' recommended layout to avoid exceeding 250 mW derated power at elevated ambient temperatures.
Can GDZ12LP3Q be used as a substitute for GDZ12B in the same footprint?
No. GDZ12B uses SOD-523 (1.2 × 0.8 × 0.6 mm) packaging, which is physically incompatible with the X3-DFN0603-2 (0.6 × 0.3 × 0.3 mm) footprint. The pad layout, stencil aperture, and pick-and-place tooling differ significantly - direct substitution would cause placement misalignment and solder joint failure.
GDZ12LP3Q-7 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Diodes Incorporated
- Series:
- -
- Package/Case:
- 0201 (0603 Metric)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Voltage - Zener (Nom) (Vz):
- 12 V
- Tolerance:
- ±5%
- Power - Max:
- 250 mW
- Impedance (Max) (Zzt):
- -
- Current - Reverse Leakage @ Vr:
- 100 nA @ 8 V
- Voltage - Forward (Vf) (Max) @ If:
- -
- Operating Temperature:
- -55°C ~ 150°C (TJ)
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- X3-DFN0603-2
GDZ12LP3Q-7 FAQ
1.How can I place an order for GDZ12LP3Q-7 through Aetrix?
Please submit a Request for Quotation (RFQ) for GDZ12LP3Q-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 GDZ12LP3Q-7 reliable?
The price and inventory of GDZ12LP3Q-7 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for GDZ12LP3Q-7 is usually 5 days.
3.What payment methods are accepted for GDZ12LP3Q-7?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for GDZ12LP3Q-7 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for GDZ12LP3Q-7?
GDZ12LP3Q-7 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your GDZ12LP3Q-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 GDZ12LP3Q-7?
For technical support, including GDZ12LP3Q-7 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your GDZ12LP3Q-7 requirements.
6.How does Aetrix verify that GDZ12LP3Q-7 is sourced from the original manufacturer or authorized distributors?
All GDZ12LP3Q-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 GDZ12LP3Q-7 meets industry standards.
7.What is the process for return or replacement of GDZ12LP3Q-7?
All GDZ12LP3Q-7 units undergo pre-shipment inspection (PSI). If there is an issue with GDZ12LP3Q-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 GDZ12LP3Q-7 part is unused and in its original packaging.
Return procedure for GDZ12LP3Q-7:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
GDZ12LP3Q-7 Tags
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Diodes Incorporated
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Diodes Incorporated
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Diodes Incorporated
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Diodes Incorporated
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Diodes Incorporated
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Diodes Incorporated
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Diodes Incorporated
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