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Diodes Incorporated BZX84C10-7-F
- Part No.:
- BZX84C10-7-F
- Manufacturer:
- Diodes Incorporated
- Category:
- Single Zener Diodes
- Package:
- TO-236-3, SC-59, SOT-23-3
- Datasheet:
-
BZX84C10-7-F.pdf
- Description:
- DIODE ZENER 10V 300MW SOT23-3
- Quantity:
- Payment:
- Shipping:
Inventory:34,958
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Product details
Overview
BZX84C10-7-F from Diodes Incorporated is a 10V, 350mW surface-mount Zener diode in SOT23 package, designed for precision voltage regulation and reference applications at 5mA test current with ±6% tolerance, 20Ω dynamic impedance, and -0.2µA reverse leakage at 7V. It serves as a stable shunt regulator in power supply feedback loops and low-power analog references.
For engineers reviewing the BZX84C10-7-F datasheet, BZX84C10-7-F pinout, BZX84C10-7-F application, or BZX84C10-7-F equivalent, key selection criteria include nominal Zener voltage (10V), power rating (350mW), Zener impedance (20Ω @ 5mA), temperature coefficient (+4.5mV/°C), and SOT23 package compatibility with automated assembly.
Technical Context
This Zener diode operates in reverse breakdown mode to maintain a stable reference voltage across its terminals under varying load and input conditions. Its planar die construction ensures consistent breakdown characteristics and low leakage, with thermal resistance of 357°C/W when terminals are held at ambient temperature.
The device exhibits a positive temperature coefficient of +4.5mV/°C near 10V, enabling predictable drift compensation in temperature-sensitive circuits. It is rated for operation from -65°C to +150°C and qualified to AEC-Q101 for automotive-grade reliability.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Zener Voltage (VZ) | 10V nominal, 9.4–10.6V range at 5mA - defines regulated output voltage tolerance in shunt regulator designs |
| Power Dissipation | 350mW maximum - sets upper limit for continuous power handling in PCB layout and thermal design |
| Zener Impedance (ZZT) | 20Ω at 5mA - determines regulation accuracy under load variation and ripple rejection capability |
| Reverse Leakage (IR) | 0.2µA max at 7V - ensures minimal quiescent current draw in battery-powered reference circuits |
| Temperature Coefficient | +4.5mV/°C - quantifies voltage drift per degree Celsius, critical for temperature-compensated references |
| Package | SOT23 - enables high-density placement and compatibility with standard pick-and-place equipment |
Pinout & Package
Package: SOT23 - surface-mount, 3-terminal plastic case with matte tin-plated alloy 42 leadframe; moisture sensitivity level 1 per J-STD-020; weight ≈ 0.008g.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode (Pin 1) | Forward conduction terminal / cathode reference ground | Connected to circuit ground in standard shunt configuration; polarity must match schematic symbol |
| Cathode (Pin 2) | Zener breakdown terminal / regulated voltage node | Connected to input supply via series resistor; delivers stable 10V reference to load |
| No-Connect (Pin 3) | Unused internal lead | Not electrically connected; must remain unconnected per datasheet to avoid parasitic coupling |
Key Features
| Feature | Design Value |
|---|---|
| Planar die construction | Ensures tight parameter distribution and long-term stability of Zener voltage over life |
| AEC-Q101 qualification | Validates suitability for automotive electronics including infotainment power rails and sensor biasing |
| Lead-free & RoHS 3 compliant | Meets EU Directive 2015/863/EU with <900ppm Br+Cl and <1000ppm Sb - supports green manufacturing |
| Automated assembly optimized | Standard SOT23 footprint and matte tin finish enable reliable reflow soldering and high-yield placement |
Applications
| Power Supply Feedback Reference | Low-Power Analog Voltage Reference |
|---|---|
Use Scenario: Regulating output voltage in isolated DC-DC converters using optocoupler feedback networks. IC Role / Device Role: Shunt voltage reference providing precise 10V threshold to TL431 or optocoupler LED drive circuit. Use Value: Maintains ±1% output regulation across line/load variations due to stable 10V Zener point and low 20Ω impedance. | Use Scenario: Generating stable bias voltages for op-amp comparators in portable gas sensors. IC Role / Device Role: Low-current reference source delivering 10V to high-impedance input stages. Use Value: Draws only 0.2µA leakage at 7V, extending battery life while maintaining 10V accuracy within ±6%. |
| Overvoltage Clamp Protection | Microcontroller I/O Pin Protection |
Use Scenario: Clamping transient surges on 12V automotive subsystem rails (e.g., body control modules). IC Role / Device Role: Fast-acting shunt clamp limiting voltage to 10.6V peak during load dump events. Use Value: Withstands 350mW pulses and operates up to +150°C, meeting AEC-Q101 thermal stress requirements. | Use Scenario: Protecting 3.3V/5V MCU GPIO pins from ESD and accidental 12V miswiring. IC Role / Device Role: Bidirectional clamping element (anode-to-ground, cathode-to-signal) limiting excursion to ±10.6V. Use Value: Leverages 0.008g mass and SOT23 size for minimal board area while providing robust 10V standoff. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar Zener reference applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MMBZ5240B-7-F | Same 10V nominal, but 225mW rating and 30Ω ZZT; different marking code (ZD vs Z9) | Lower power handling limits use in higher-current regulation; less suitable for automotive transients | Select when lower cost or legacy inventory exists, but verify thermal margin in 350mW designs |
| BZX84-C10LT1G | Identical 10V spec and 350mW rating, but ON Semiconductor branding and different date-code marking | Functionally interchangeable; same SOT23 footprint and AEC-Q101 qualification | Preferred for dual-sourcing where Diodes Incorporated supply constraints exist |
Compared with MMBZ5240B-7-F and BZX84-C10LT1G, BZX84C10-7-F offers superior thermal performance (357°C/W vs ~450°C/W) and tighter Zener impedance (20Ω vs 30Ω), making it more effective in precision regulation and high-reliability automotive environments.
Availability
BZX84C10-7-F is available at Aetrix Electronics and suitable for power supply feedback references, low-power analog voltage references, overvoltage clamp protection, and microcontroller I/O pin protection requiring stable component supply and AEC-Q101 compliance.
Supply support for BZX84C10-7-F 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, headquartered in Plano, Texas, with design and manufacturing operations across Asia and the Americas.
The BZX84 series belongs to Diodes' precision Zener diode product line, engineered for stable voltage reference and regulation in space-constrained, high-reliability applications including automotive, industrial, and consumer power systems.
FAQ
What is the maximum reverse voltage this Zener diode can withstand before breakdown?
The BZX84C10-7-F has a nominal Zener voltage of 10V with a guaranteed range of 9.4V to 10.6V at 5mA test current. Its reverse breakdown is specified at this voltage band; operation above 10.6V risks exceeding the 350mW power limit unless current is strictly limited by an external series resistor.
Is this part suitable for automotive applications?
Yes - BZX84C10-7-F is qualified to AEC-Q101 standards and rated for operating temperatures from -65°C to +150°C. Its green molding compound, lead-free plating, and robust thermal resistance (357°C/W) meet automotive environmental and reliability requirements for body electronics and power management modules.
How does the temperature coefficient affect circuit performance?
With a +4.5mV/°C temperature coefficient, the Zener voltage increases by approximately 4.5mV per degree Celsius rise. At 10V nominal, this equates to +0.045% per °C - critical for precision references where ±0.5% total drift over -40°C to +125°C must be budgeted into system error margins.
Can this diode be used in bidirectional ESD protection?
No - BZX84C10-7-F is a unidirectional Zener diode optimized for reverse-biased regulation. For bidirectional ESD protection, dedicated TVS diodes such as D3V3M1U2LP-7 or PESD5V0S1BA are required; this part lacks symmetric clamping behavior and specified ESD ratings.
BZX84C10-7-F Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Diodes Incorporated
- Series:
- -
- Package/Case:
- TO-236-3, SC-59, SOT-23-3
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Voltage - Zener (Nom) (Vz):
- 10 V
- Tolerance:
- ±6%
- Power - Max:
- 300 mW
- Impedance (Max) (Zzt):
- 20 Ohms
- Current - Reverse Leakage @ Vr:
- 200 nA @ 7 V
- Voltage - Forward (Vf) (Max) @ If:
- 900 mV @ 10 mA
- Operating Temperature:
- -65°C ~ 150°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOT-23-3
BZX84C10-7-F FAQ
1.How can I place an order for BZX84C10-7-F through Aetrix?
Please submit a Request for Quotation (RFQ) for BZX84C10-7-F 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 BZX84C10-7-F reliable?
The price and inventory of BZX84C10-7-F are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for BZX84C10-7-F is usually 5 days.
3.What payment methods are accepted for BZX84C10-7-F?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for BZX84C10-7-F transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for BZX84C10-7-F?
BZX84C10-7-F orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your BZX84C10-7-F 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 BZX84C10-7-F?
For technical support, including BZX84C10-7-F datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your BZX84C10-7-F requirements.
6.How does Aetrix verify that BZX84C10-7-F is sourced from the original manufacturer or authorized distributors?
All BZX84C10-7-F 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 BZX84C10-7-F meets industry standards.
7.What is the process for return or replacement of BZX84C10-7-F?
All BZX84C10-7-F units undergo pre-shipment inspection (PSI). If there is an issue with BZX84C10-7-F, 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 BZX84C10-7-F part is unused and in its original packaging.
Return procedure for BZX84C10-7-F:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
BZX84C10-7-F Tags
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MMBZ5240B-7-F
Diodes Incorporated
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BZT52C5V6T-7
Diodes Incorporated
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MMSZ5231B-7-F
Diodes Incorporated
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BZT52C15-7-F
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BZX84C3V3LT1G
onsemi
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MMSZ5245BS-7-F
Diodes Incorporated
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MMSZ4682T1G
onsemi
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BZT52C15S-7-F
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MM5Z5V1ST1G
onsemi
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SMAJ4744A-TP
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BZT52C3V6LP-7
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