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ZY16
Diotec Semiconductor
ZENER DO41 16V 2W 5%
9252 Pcs New Original In Stock
Zener Diode 16 V 2 W ±5% Through Hole DO-41/DO-204AC
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Minimum 1
5.0 / 5.0
- (385 Ratings)
ZY16
Product Overview
12944042
DiGi Electronics Part Number
ZY16-DGManufacturer
Diotec Semiconductor
ZY16
Description
ZENER DO41 16V 2W 5%Inventory
9252 Pcs New Original In Stock
Zener Diode 16 V 2 W ±5% Through Hole DO-41/DO-204AC
Quantity
Minimum 1
Minimum 1
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ZY16 Technical Specifications
Category
Diodes, Zener, Single Zener Diodes
Packaging
Tape & Reel (TR)
Series
-
Product Status
Active
Voltage - Zener (Nom) (Vz)
16 V
Tolerance
±5%
Power - Max
2 W
Impedance (Max) (Zzt)
6 Ohms
Current - Reverse Leakage @ Vr
1 µA @ 10 V
Operating Temperature
-50°C ~ 150°C (TJ)
Mounting Type
Through Hole
Package / Case
DO-204AC, DO-41, Axial
Supplier Device Package
DO-41/DO-204AC
Datasheet & Documents
Datasheets
Download ZY16 Product Specification (PDF)
HTML Datasheet
ZY16-DG
Environmental & Export Classification
RoHS Status
Not applicable
Moisture Sensitivity Level (MSL)
Not Applicable
REACH Status
Vendor Undefined
ECCN
EAR99
HTSUS
8541.10.0000
Additional Information
Other Names
2796-ZY16TR
Standard Package
5,000
Reviews
5.0/5.0-(Show up to 5 Ratings)
Dec 02, 2025
他們的售後服務非常貼心，解決問題的速度令人印象深刻。
Dec 02, 2025
Toller Service – schnelle Lieferung und konsequente Nutzung umweltfreundlicher Verpackungsmaterialien.
Dec 02, 2025
Mein Einkauf bei DiGi Electronics war angenehm, weil die Preise fair sind und das Personal so freundlich ist.
Dec 02, 2025
I highly value DiGi Electronics for their consistent on-time delivery and top-tier product quality.
Dec 02, 2025
The quality of their electronic components is superb, and their punctual shipment respects my tight schedules.
Dec 02, 2025
They provide trustworthy after-sales service, ensuring my concerns are always addressed.
Dec 02, 2025
The staff displayed great professionalism, making the entire process smooth and enjoyable.
Dec 02, 2025
The customer support team is friendly, helpful, and always available to assist.
Dec 02, 2025
Processed and shipped within a day, their reliable delivery service complements the product's durable nature.
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Frequently Asked Questions (FAQ)
Can ZY16 be used in parallel to increase power dissipation in high-current Zener applications without thermal runaway risks?
When using multiple ZY16 Zener diodes in parallel to achieve higher power handling, thermal imbalance can lead to current hogging and potential thermal runaway due to negative temperature coefficient behavior above approximately 5V. Since the ZY16 has a 16 V nominal Zener voltage and 6 Ohms max impedance at test conditions, slight manufacturing variances in Vz (±5%) may cause unequal current sharing. To safely parallel ZY16 devices, use individual ballast resistors in series with each diode or ensure matched Vz units with identical thermal paths. For better performance, consider a single higher-power Zener or a series pass transistor topology instead of paralleling ZY16 diodes.
How does the ZY16 compare to the BZX85C16 for use in industrial voltage regulation circuits operating near 150°C junction temperature?
The ZY16 and BZX85C16 both offer 16 V ±5% Zener voltage and 2 W power ratings in a DO-41 package, but the BZX85C16 typically has tighter long-term stability and is better documented for high-temperature environments. The ZY16 supports up to 150°C operating junction temperature, same as the BZX85C16, but lacks standardized long-term drift data. For mission-critical industrial designs where reliability above 125°C ambient is expected, the BZX85C16 may offer better assurance due to its established heritage. Use ZY16 in cost-sensitive or non-safety-critical applications, but validate thermal derating and leakage (1 µA @ 10 V) under sustained high-temperature bias.
Is the ZY16 suitable for overvoltage protection in automotive 12V systems prone to load dump transients?
The ZY16 has a 16 V nominal Zener voltage, which aligns closely with the typical clamping threshold needed for 12V automotive load dump protection (which can exceed 40V peak). However, the ZY16’s 2W continuous rating is insufficient to absorb standard load dump energy (IEC 61675 or ISO 7637-2) without additional transient voltage suppression. Using only the ZY16 may lead to thermal destruction during sustained overvoltage. Instead, use the ZY16 as a sensing or feedback element in conjunction with a series transistor or a dedicated TVS diode like SMAJ16A. This hybrid approach leverages the ZY16’s stable 16V reference while managing power externally.
What PCB layout and heatsinking techniques are effective for reliably operating the ZY16 at its 2W maximum power in enclosed through-hole designs?
To safely operate the ZY16 at full 2W power in a through-hole DO-41 package, PCB design must account for thermal resistance—typically ~60°C/W junction-to-ambient without heatsinking. Use wide copper traces (≥2mm), multiple thermal vias under connected pads, and ground planes to improve heat dissipation. For enclosed or high-ambient environments (>85°C), add a clip-on heatsink or potting compound with thermal conductivity. Avoid placing the ZY16 near other heat-generating components. Derate power by at least 3% per °C above 25°C ambient and ensure solder joints are mechanically supported to prevent stress cracking due to thermal cycling.
Can the ZY16 replace the 1N5238B in a precision 16V shunt regulator circuit, and what tolerance and impedance trade-offs should be considered?
While the ZY16 and 1N5238B both provide a 16V Zener voltage, the 1N5238B is a 500mW device in a smaller DO-35 package and is typically used in low-current regulation or voltage reference roles. The ZY16, rated at 2W, is intended for higher-power regulation but has higher dynamic impedance—maximum 6 Ohms vs ~10 Ohms typical for 1N5238B at test current—due to its larger junction. Replacing a 1N5238B with a ZY16 requires adjusting bias current to stay within optimal regulation range (typically 5-10mA for ZY16) and validating line/load regulation. Use ZY16 only when higher power or surge tolerance is needed—not for precision low-current references where 1N5238B’s tighter dynamic performance may be superior.
Quality Assurance (QC)
DiGi ensures the quality and authenticity of every electronic component through professional inspections and batch sampling, guaranteeing reliable sourcing, stable performance, and compliance with technical specifications, helping customers reduce supply chain risks and confidently use components in production.
ZY16 CAD Models
Diotec Semiconductor ZY16 PCB symbols & footprints
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