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HomeProductsDiscrete Semiconductor ProductsDiodes - Zener - SingleDDZ16Q-7
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DDZ16Q-7 - Diodes Incorporated

Manufacturer Part Number
DDZ16Q-7
Manufacturer
Diodes Incorporated
Allelco Part Number
32D-DDZ16Q-7
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
579,900 pcs available, New & Original
Parts Description
DIODE ZENER 16V 310MW SOD123
Package
SOD-123
Data sheet
DDZ16Q-7.pdf

Datasheets

DDZ5V1B - DDZ43.pdf

Environmental Information

Diodes Environmental Compliance Cert.pdf
RoHs Status
ROHS3 Compliant
Compare
Our certification
In stock: 579900
  • Unit Price: $0.027
  • Subtotal: $0.00

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Add to Cart and Submit RFQ now, we'll contact you immediately.

Quantity Unit Price Ext. Price
10+ $0.027 $0.27
100+ $0.026 $2.60
300+ $0.026 $7.80
1000+ $0.025 $25.00
The above prices does not include taxes and freight rates, which will be calculated on the order pages.

Specifications

DDZ16Q-7 Tech Specifications
Diodes Incorporated - DDZ16Q-7 technical specifications, attributes, parameters and parts with similar specifications to Diodes Incorporated - DDZ16Q-7

Product Attribute Attribute Value
Manufacturer Diodes Incorporated
Voltage - Zener (Nom) (Vz) 16 V
Voltage - Forward (Vf) (Max) @ If 900 mV @ 10 mA
Tolerance ±2.5%
Supplier Device Package SOD-123
Series Automotive, AEC-Q101
Power - Max 310 mW
Product Attribute Attribute Value
Package / Case SOD-123
Package Tape & Reel (TR)
Operating Temperature -65°C ~ 150°C
Mounting Type Surface Mount
Impedance (Max) (Zzt) 18 Ohms
Current - Reverse Leakage @ Vr 50 nA @ 12 V
Base Product Number DDZ16

Environmental & Export Classifications

ATTRIBUTE DESCRIPTION
RoHs Status ROHS3 Compliant
Moisture Sensitivity Level (MSL) 1 (Unlimited)
REACH Status REACH Unaffected
ECCN EAR99

Frequently Asked Questions(FAQ)

How does the DDZ16Q-7 Zener diode compare to other automotive-grade 16V Zener diodes in terms of power dissipation and package footprint?
The DDZ16Q-7 offers a nominal Zener voltage of 16 V with a maximum power rating of 310 mW, which is typical for surface-mount Zener diodes targeting low-power regulation applications. Its SOD-123 package provides a compact footprint suitable for space-constrained automotive designs, though it may limit thermal performance compared to larger packages like SMA or SMB. While some competitors offer higher power ratings in similar voltage ranges, the DDZ16Q-7 balances size, power, and cost effectively, making it a common choice when moderate current handling and board area are constrained. Automotive qualification (AEC-Q101) ensures reliability under harsh environmental conditions, aligning it well with functional safety requirements in vehicle electronics.
What design considerations should be applied when using the DDZ16Q-7 in a reverse-bias voltage regulation circuit?
When implementing the DDZ16Q-7 for voltage regulation, it is essential to consider its dynamic impedance of 18 ohms and ±2.5% tolerance on Zener voltage. This implies that under load variations, the output voltage may shift by approximately ±400 mV across the full operating range, depending on current draw. To maintain stable regulation, the series resistor must be sized so that the minimum operating current exceeds the knee current while staying within the 310 mW power limit. For example, at an input voltage of 20 V, a series resistance around 130 Ω would provide sufficient current (~30 mA) without exceeding the power budget. Thermal derating should also be evaluated, especially in high ambient temperatures up to 125°C typical in engine bays.
Can the DDZ16Q-7 be used interchangeably with standard industrial-grade 16V Zener diodes in automotive applications?
No, the DDZ16Q-7 cannot be directly substituted with non-automotive Zener diodes due to its AEC-Q101 qualification and Grade Automotive designation. While both types may share similar electrical characteristics such as 16 V Zener voltage and 310 mW power rating, automotive components undergo rigorous stress testing including temperature cycling, humidity exposure, and mechanical shock. Using unqualified parts risks premature failure in vehicles, where component reliability is critical. Designers must verify that any replacement meets the same automotive standards, even if electrical parameters appear equivalent.
What is the impact of the DDZ16Q-7’s 50 nA leakage current at 12 V on precision reference circuits?
The reverse leakage current of 50 nA at 12 V represents a relatively low level, which is advantageous for minimizing off-state power consumption in high-impedance nodes. However, in ultra-low-current reference designs—such as battery-powered sensors or analog front-end circuits—even small leakage currents can accumulate over time and affect long-term bias stability. While the DDZ16Q-7 performs adequately in most general-purpose regulators, designers should assess whether this leakage contributes significantly to offset voltage errors in sensitive analog paths. In such cases, alternative diodes with lower leakage or specialized reference ICs may offer better precision despite slightly higher cost or complexity.
How does the forward voltage drop of the DDZ16Q-7 influence its use in bidirectional clamping circuits?
The DDZ16Q-7 exhibits a forward voltage (Vf) of 900 mV at 10 mA, which is relatively high for a silicon diode but acceptable in Zener-dominated clamp configurations where conduction occurs primarily in reverse breakdown. In bidirectional TVS-like networks, this forward drop can cause asymmetric response times and energy dissipation during positive transients. If fast, low-loss clamping is required, a dedicated TVS diode might outperform the DDZ16Q-7 in one direction. Nevertheless, the DDZ16Q-7 remains suitable when the primary protection mechanism relies on its Zener action rather than avalanche breakdown, and cost or space constraints favor its integration into existing regulator stages.
Is the DDZ16Q-7 suitable for continuous operation near its maximum power rating in a compact automotive PCB layout?
Operating the DDZ16Q-7 continuously close to 310 mW is generally feasible only under controlled thermal conditions. The SOD-123 package has limited surface area for heat dissipation, typically allowing around 300–350 mW in still air, but derating is necessary above 70°C ambient. In automotive environments, junction temperatures can rise significantly due to proximity to hot components or under-the-hood placement. Therefore, unless forced airflow or thermal vias enhance heat spreading, sustained operation near full power may lead to premature aging or failure. Designers should aim to operate the device at less than 70% of rated power to ensure margin against thermal stress and long-term reliability.
How does the DDZ16Q-7 perform in high-temperature automotive environments compared to standard commercial-grade equivalents?
The DDZ16Q-7 is engineered for extended operation from -65°C to 150°C, making it well-suited for extreme automotive conditions such as under-hood electronics or infotainment systems exposed to direct sunlight. Commercial-grade Zeners typically support only -40°C to +125°C, offering less headroom for thermal transients. At elevated temperatures, Zener voltage tends to increase slightly due to bandgap narrowing; however, the DDZ16Q-7’s tight ±2.5% tolerance ensures predictable behavior within specification. Its AEC-Q101 certification confirms robustness against thermal cycling and moisture ingress, giving confidence in field performance where ambient temperatures frequently exceed 100°C.
What precautions should be taken when soldering the DDZ16Q-7 on a production automotive PCB assembly line?
As an MSL 1 component, the DDZ16Q-7 has no moisture sensitivity concerns and can be stored indefinitely before reflow soldering. However, proper thermal management during assembly is crucial: the SOD-123 package is susceptible to thermal shock if subjected to rapid temperature changes. Standard lead-free reflow profiles with peak temperatures below 260°C and ramp rates controlled to avoid thermal stress are recommended. Prolonged exposure above 240°C should be minimized to prevent die cracking. Additionally, automated pick-and-place systems must align the marking side correctly to avoid misorientation during placement, which could lead to incorrect polarity or handling damage.

Parts with Similar Specifications

The three parts on the right have similar specifications to Diodes Incorporated DDZ16Q-7

Product Attribute DDZ16BQ-7 DDZ16BSF-7 DDZ16B-7 DDZ16CSF-7
Part Number DDZ16BQ-7 DDZ16BSF-7 DDZ16B-7 DDZ16CSF-7
Manufacturer Diodes Incorporated Diodes Incorporated Diodes Incorporated Diodes Incorporated
Voltage - Zener (Nom) (Vz) - - - -
Series - - - -
Package - Tape & Reel (TR) Tube Tape & Reel (TR)
Mounting Type - Surface Mount Through Hole Surface Mount
Power - Max - - - -
Supplier Device Package - 196-NFBGA (12x12) 16-PDIP 64-VQFN (9x9)
Tolerance - - - -
Current - Reverse Leakage @ Vr - - - -
Impedance (Max) (Zzt) - - - -
Operating Temperature - -40°C ~ 85°C 0°C ~ 70°C -40°C ~ 85°C
Package / Case - 196-LFBGA 16-DIP (0.300', 7.62mm) 64-VFQFN Exposed Pad
Voltage - Forward (Vf) (Max) @ If - - - -
Base Product Number - DAC34H84 MAX500 ADS62P42

DDZ16Q-7 Datasheet PDF

Download DDZ16Q-7 pdf datasheets and Diodes Incorporated documentation for DDZ16Q-7 - Diodes Incorporated.

Datasheets
DDZ5V1B - DDZ43.pdf
Environmental Information
Diodes Environmental Compliance Cert.pdf
PCN Assembly/Origin
Wafer Site Transfer 05/Oct/2021.pdf

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Customer Reviews

Evaluation: 10 Articles

  • Nath***rooks
    Jun 11, 2026

    Installed this power component in a converter board. Output remained stable under different load conditions and thermal performance was better than expected.

  • Dani***alkerTech
    Jun 1, 2026

    Product works, but setup took more effort than expected. Once configured the MCU ran reliably, although documentation support felt older compared with newer platforms. Fine for maintenance projects.

  • Yuki***aka88
    May 26, 2026

    信号通信プロジェクトでこのRS-485トランシーバーを使用しました。設置は簡単で、長距離ケーブルでも通信は安定していました。消費電力も、以前使用していたものより低くなっています。

  • Stev***aker
    May 20, 2026

    Solid diode for power rectification. Works well in switching circuits.

  • Bran***Lewis
    May 11, 2026

    Compact FPGA with good performance. Suitable for basic signal processing tasks.

  • Oliv***arris
    May 7, 2026

    Reliable I/O expander. Works well in embedded control applications.

  • Jess***Jones
    Apr 17, 2026

    It offers good value for the price, and the specifications match the description. I’ve been using it for two days with no issues, and I’ll definitely buy it again if I need it in the future.

  • Mich***Smith
    Apr 17, 2026

    Shipping was on time, the component pins are neatly aligned, and I tested 10 of them with a multimeter—all readings were within the specified range. Highly recommended.

  • Aman***arris
    Apr 3, 2026

    It was great—the entire process, from placing the order to receiving the package, went very smoothly. The components were consistent, the price was fair, and I had a very pleasant shopping experience.

  • Mike***nch
    Apr 3, 2026

    Better than expected! The resistance and capacitance readings were spot-on, and it passed the test on the first try. The service was reliable, and the packaging was thoughtful—I highly recommend it.

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Shipment

Delivery Time

In-stock items can be shipped within 24 hours. Some parts will be arranged for delivery within 1-2 days from the date all items arrive at our warehouse. And Allelco ships order once a day at about 17:00, except Sunday. Once the goods are shipped, the estimated delivery time depends on the shipping methods and Delivery destination. The table below shows are the logistic time for some common countries.

Delivery Cost

  1. Use your express account for shipment if you have one.
  2. Use our account for the shipment. Refer to the table below for the approximate charges.
(Different time frame / countries / package size has different price.)

Delivery Method

  1. Global Common Shipment by DHL / UPS / FedEx / TNT / EMS / SF we support.
  2. Others more shipping ways, please get in touch with your customer manager.

Common Countries Logistic Time Reference
Region Country Logistic Time(Day)
America United States 5
Brazil 7
Europe Germany 5
United Kingdom 4
Italy 5
Oceania Australia 6
New Zealand 5
Asia India 4
Japan 4
Middle East Israel 6
DHL & FedEx Shipment Charges Reference
Shipment charges(KG) Reference DHL(USD$)
0.00kg-1.00kg USD$30.00 - USD$60.00
1.00kg-2.00kg USD$40.00 - USD$80.00
2.00kg-3.00kg USD$50.00 - USD$100.00
Note:
The above table is for reference only. There may have some data bias for the uncontrollable factors.
Contact us if you have any questions.
  • QC (Quality Warranty)
  • Payment Support
  • Packaging
  • Certifications & Memberships

QC (Quality Warranty)

Allelco is committed to exceeding customer expectations through customer service excellence, order accuracy, and on-time delivery.
This is achieved through our commitment to the continual improvement of our processes, services, and products.


Strict quality inspection builds a solid foundation for electronic component quality.
  1. Visual inspection
  2. Performance testing and reliability verification
  3. Standardized full-process testing
  4. Precise control of every parameter
We eliminate defective components and ensure the stable operation of electronic devices through professional quality standards.
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Contact us if you have any questions.

Packaging

Electrostatic Discharge Protection and Handling

All electrostatic-sensitive components are handled in accordance with electrostatic discharge control procedures. The products are hermetically sealed in anti-static safe packaging to prevent electrostatic damage. Appropriate labeling is also applied for identification and traceability. This ensures product integrity during storage, handling and transportation.


ESD

Certifications & Memberships

Third-party certified, strict quality control. Our certification
  • ISO 9001: 2015
  • ISO 13485: 2016
  • ISO 14001: 2015
  • ISO 28000: 2007
  • ISO 45001: 2018
  • GB/T 27922-2011
  • SMTA
  • IPC
  • ESD
  • PSMA
DDZ16Q-7 Image

DDZ16Q-7

Diodes Incorporated
32D-DDZ16Q-7

Want a better price? Add to Cart and Submit RFQ now, we'll contact you immediately.

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