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PE7009-3
Electronics Part Number
PE7009-3-WXManufacturer
Diodes Incorporated
PE7009-3
Description
75 Ohm 3dB Fixed Attenuator BN ConnectorInventory
356 Pcs New Original In Stock
BNC in-line RF attenuator; 3dB, DC-1GHz, 75Ω, 1W; low reflection; for video distribution and telecommunications.
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Basic cost: USD 70.00
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Technical Specifications
Category
Diodes, Zener, Zener Diode Arrays
Manufacturer
Diodes Incorporated
Packaging
Tape & Reel (TR)
Operating Temperature
-65°C ~ 150°C
Mounting Type
Surface Mount
Package / Case
TO-236-3, SC-59, SOT-23-3
Series
-
Base Product Number
DZ23
Product Status
Active
Tolerance
±5%
Power - Max
300 mW
Configuration
1 Pair Common Cathode
Supplier Device Package
SOT-23-3
Voltage - Zener (Nom) (Vz)
16 V
Impedance (Max) (Zzt)
40 Ohms
Data Sheet Document (D)
Datasheets
Download DZ23C16-7-F Product Specification (PDF)
HTML Datasheet
DZ23C16-7-F-DG
Environmental & Export Classification
RoHS Status
ROHS3 Compliant
Moisture Sensitivity Level (MSL)
1 (Unlimited)
REACH Status
REACH Unaffected
ECCN
EAR99
HTSUS
8541.10.0050
Additional Information
Other Names
DZ23C16-FDIDKR DZ23C16-FDICT DZ23C16-FDITR DZ23C167F
Standard Package
3,000
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Frequently Asked Questions (FAQ)
When designing in the DZ23C16-7-F for overvoltage protection in a dual-rail sensor interface, what l
When using the DZ23C16-7-F in a dual-rail protection circuit, ensure symmetric layout for both Zener diodes in the common cathode array to prevent thermal imbalance. Since the device has a 300 mW power rating in a SOT-23-3 package, calculate maximum junction temperature rise based on your PCB's copper area and trace width—typically, keep thermal resistance (RθJA) below 300°C/W with at least 15 mm² of copper per terminal. Monitor leakage current above 0.1 mA in high-temperature environments (>100°C), as this can contribute to self-heating and premature breakdown instability. Use short, direct traces to minimize inductance and consider local filtering if the sensor is in a noisy environment.
Can the DZ23C16-7-F replace a BZX84-C16 in a space-constrained battery management system, and what a
Yes, the DZ23C16-7-F can replace the BZX84-C16 in most cases due to compatible SOT-23-3 packaging and nominal 16 V Zener voltage. However, the DZ23C16-7-F offers a tighter typical impedance (40 Ω max vs. 50–60 Ω for BZX84-C16), leading to better regulation under variable load transients. Also, the DZ23C16-7-F has a lower temperature coefficient around 16 V, reducing drift in battery voltage monitoring circuits. Confirm that your operating current stays within 1 mA to 20 mA for optimal stability, as performance degrades near minimum test current. Be mindful of the common cathode configuration—ensure your circuit topology matches to avoid unintended conduction.
How does the common cathode configuration of the DZ23C16-7-F affect its use in bidirectional ESD pro
The DZ23C16-7-F’s common cathode configuration limits its effectiveness in standard bidirectional ESD protection, as it cannot clamp both positive and negative transients relative to ground without modifying the reference node. For I2C lines, this means you must tie the cathode to a mid-voltage bias (e.g., VDD/2) to allow each Zener to clamp positive or negative surges, but this introduces DC leakage into the bus. This is generally not recommended for low-current I2C systems due to potential signal distortion. Instead, consider using a dedicated bidirectional TVS array such as the SPN3012-04UT for better reliability and lower leakage.
What reliability risks exist when operating the DZ23C16-7-F near its maximum junction temperature of
Operating the DZ23C16-7-F near 150°C increases long-term degradation risks due to diffusion in the Zener junction, potentially shifting the nominal voltage beyond ±5% tolerance. Ensure derating of both power dissipation and ambient temperature—limit average power to ≤200 mW even with good thermal copper to provide margin. Avoid repetitive transient clamping under high ambient conditions, as thermal cycling can accelerate wear-out. Verify with JEDEC JESD22-A108 thermal test profiles for qualification. The device’s MSL-1 rating helps assembly reliability, but avoid prolonged exposure to high reflow temperatures during manufacturing.
In a redundant voltage reference circuit, how stable is the DZ23C16-7-F's Zener voltage over 10 year
The DZ23C16-7-F typically exhibits good long-term stability when derated properly. For a 10-year lifespan in a continuous operation environment, keep the Zener current below 5 mA (30% of max rated current) and power dissipation under 200 mW. Operate at temperatures below 125°C to minimize voltage drift from material aging. Bias the device with a constant current source instead of a resistor to maintain consistent regulation as input voltage varies. Initial burn-in for 168 hours at 85°C/85% RH per JESD22-A101 can screen early failures. Even with these steps, expect a possible shift of up to 2% over time; for precision references, consider adding trimming or calibration in firmware.
When designing in the DZ23C16-7-F for overvoltage protection in a dual-rail sensor interface, what l
When using the DZ23C16-7-F in a dual-rail protection circuit, ensure symmetric layout for both Zener diodes in the common cathode array to prevent thermal imbalance. Since the device has a 300 mW power rating in a SOT-23-3 package, calculate maximum junction temperature rise based on your PCB's copper area and trace width—typically, keep thermal resistance (RθJA) below 300°C/W with at least 15 mm² of copper per terminal. Monitor leakage current above 0.1 mA in high-temperature environments (>100°C), as this can contribute to self-heating and premature breakdown instability. Use short, direct traces to minimize inductance and consider local filtering if the sensor is in a noisy environment.
Can the DZ23C16-7-F replace a BZX84-C16 in a space-constrained battery management system, and what a
Yes, the DZ23C16-7-F can replace the BZX84-C16 in most cases due to compatible SOT-23-3 packaging and nominal 16 V Zener voltage. However, the DZ23C16-7-F offers a tighter typical impedance (40 Ω max vs. 50–60 Ω for BZX84-C16), leading to better regulation under variable load transients. Also, the DZ23C16-7-F has a lower temperature coefficient around 16 V, reducing drift in battery voltage monitoring circuits. Confirm that your operating current stays within 1 mA to 20 mA for optimal stability, as performance degrades near minimum test current. Be mindful of the common cathode configuration—ensure your circuit topology matches to avoid unintended conduction.
How does the common cathode configuration of the DZ23C16-7-F affect its use in bidirectional ESD pro
The DZ23C16-7-F’s common cathode configuration limits its effectiveness in standard bidirectional ESD protection, as it cannot clamp both positive and negative transients relative to ground without modifying the reference node. For I2C lines, this means you must tie the cathode to a mid-voltage bias (e.g., VDD/2) to allow each Zener to clamp positive or negative surges, but this introduces DC leakage into the bus. This is generally not recommended for low-current I2C systems due to potential signal distortion. Instead, consider using a dedicated bidirectional TVS array such as the SPN3012-04UT for better reliability and lower leakage.
What reliability risks exist when operating the DZ23C16-7-F near its maximum junction temperature of
Operating the DZ23C16-7-F near 150°C increases long-term degradation risks due to diffusion in the Zener junction, potentially shifting the nominal voltage beyond ±5% tolerance. Ensure derating of both power dissipation and ambient temperature—limit average power to ≤200 mW even with good thermal copper to provide margin. Avoid repetitive transient clamping under high ambient conditions, as thermal cycling can accelerate wear-out. Verify with JEDEC JESD22-A108 thermal test profiles for qualification. The device’s MSL-1 rating helps assembly reliability, but avoid prolonged exposure to high reflow temperatures during manufacturing.
In a redundant voltage reference circuit, how stable is the DZ23C16-7-F's Zener voltage over 10 year
The DZ23C16-7-F typically exhibits good long-term stability when derated properly. For a 10-year lifespan in a continuous operation environment, keep the Zener current below 5 mA (30% of max rated current) and power dissipation under 200 mW. Operate at temperatures below 125°C to minimize voltage drift from material aging. Bias the device with a constant current source instead of a resistor to maintain consistent regulation as input voltage varies. Initial burn-in for 168 hours at 85°C/85% RH per JESD22-A101 can screen early failures. Even with these steps, expect a possible shift of up to 2% over time; for precision references, consider adding trimming or calibration in firmware.
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Sep 15 2026
