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onsemi BZX84C10_D87Z
- Part No.:
- BZX84C10_D87Z
- Manufacturer:
- onsemi
- Category:
- Single Zener Diodes
- Package:
- TO-236-3, SC-59, SOT-23-3
- Datasheet:
-
BZX84C10_D87Z.pdf
- Description:
- DIODE ZENER 10V 350MW SOT23
- Quantity:
- Payment:
- Shipping:
Inventory:9,970
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Product details
Overview
BZX84C10_D87Z from ON Semiconductor is a 10 V ±5% Zener diode in SOT-23 package, rated for 250 mW power dissipation at 25°C ambient, with 10 Ω dynamic impedance at 20 mA and 0.9 V forward voltage at 10 mA. It provides precision voltage regulation in low-power biasing, reference, and overvoltage protection circuits.
For engineers reviewing the BZX84C10_D87Z datasheet, pinout, applications, or equivalent options, key selection criteria include zener voltage tolerance (±5%), thermal resistance (465°C/W), leakage current (≤0.2 µA at 7.0 V), capacitance (130 pF at 0 V), and temperature coefficient (+4.5 mV/°C).
Technical Context
This device operates as a two-terminal voltage reference diode, conducting in reverse breakdown to maintain stable voltage across its terminals under varying load or supply conditions. Its design targets low-current (<20 mA) regulation tasks where thermal budget and board space are constrained.
The BZX84C10_D87Z exhibits a positive temperature coefficient of +4.5 mV/°C at 5.0 mA, enabling predictable drift compensation in temperature-sensitive references. Its 130 pF junction capacitance at 0 V supports moderate-frequency noise filtering without compromising stability in analog feedback paths.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Zener Voltage (VZ) | 9.4–10.7 V at IZ = 20 mA; ensures tight regulation window for 10 V rail stabilization |
| Zener Impedance (ZZ) | 10 Ω max at IZ = 20 mA; minimizes output voltage variation under load transients |
| Power Dissipation (PD) | 250 mW at TA = 25°C; defines maximum continuous steady-state power in FR-4 PCB layout |
| Junction-to-Ambient RJA | 465°C/W; requires thermal derating above 25°C ambient to stay within 150°C max junction limit |
| Reverse Leakage (IR) | ≤0.2 µA at VR = 7.0 V; guarantees minimal quiescent current in high-impedance bias networks |
| Capacitance (CJ) | 130 pF at VR = 0 V, f = 1 MHz; sets upper frequency limit for AC-coupled clamping applications |
| Temp. Coefficient (dVZ/dT) | +4.5 mV/°C at IZ = 5.0 mA; enables linear drift modeling for calibration compensation |
Pinout & Package
SOT-23 surface-mount package with cathode-anode-cathode terminal arrangement; compact 2.9 mm × 1.3 mm footprint optimized for high-density PCB layouts.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode (Pin 1) | Forward conduction terminal | Connected to lower-potential node in reverse-bias configuration; carries full zener current during regulation |
| Cathode (Pin 2) | Reverse breakdown terminal | Connected to higher-potential node; defines regulated output voltage referenced to anode |
| Cathode (Pin 3) | Thermal & electrical tie | Internally bonded to Pin 2; improves thermal conduction and reduces lead inductance in high-speed clamping |
Key Features
| Feature | Design Value |
|---|---|
| ±5% Zener voltage tolerance | Enables direct replacement in 10 V reference designs without recalibration or resistor trimming |
| Low 10 Ω dynamic impedance | Maintains <10 mV output shift across 5–20 mA load range, critical for ADC reference stability |
| 130 pF junction capacitance | Supports ESD suppression up to 100 MHz while preserving signal integrity in sensor interfaces |
| +4.5 mV/°C tempco | Allows first-order temperature compensation using matched NTC resistors in precision voltage sources |
| 0.9 V forward voltage | Permits use as bidirectional clamp when paired with series resistor, reducing component count in I/O protection |
Applications
| Power Supply Rail Clamp | ADC Reference Stabilizer |
|---|---|
Use Scenario: Protecting microcontroller I/O pins from transient overvoltage during hot-plug events in industrial control modules. IC Role / Device Role / Timing Role: Bidirectional voltage clamp limiting input swing to 10 V ±5% while sinking surge current. Use Value: Prevents latch-up and gate oxide damage with ≤0.2 µA leakage ensuring no DC loading on high-Z sensor outputs. | Use Scenario: Providing stable 10 V reference for 12-bit SAR ADC in battery-powered data loggers. IC Role / Device Role / Timing Role: Precision shunt reference establishing accurate conversion scale independent of supply ripple. Use Value: 10 Ω ZZ limits full-scale error to <0.1 LSB across 5–20 mA load variations typical in ratiometric sensor excitation. |
| Low-Power Bias Generator | Temperature-Compensated Oscillator Trim |
Use Scenario: Generating fixed bias voltage for op-amp input stages in portable audio amplifiers. IC Role / Device Role / Timing Role: Shunt regulator establishing DC operating point for amplifier transistors. Use Value: 250 mW rating allows operation at 15 mA with 100°C/W thermal margin on standard FR-4, eliminating need for heatsinking. | Use Scenario: Compensating frequency drift in CMOS relaxation oscillators used in RTC backup timing. IC Role / Device Role / Timing Role: Temperature-sensing element whose +4.5 mV/°C dVZ/dT modulates oscillator control voltage. Use Value: Linear tempco enables simple resistor-divider compensation achieving ±100 ppm/°C stability over -40 to +85°C. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar Zener diode applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MMBZ5240BS-7-F | Same 10 V nominal, ±5% tolerance, but 350 mW PD and 15 Ω ZZ; SOT-23 package | Higher power handling suits 30 mA continuous loads; slightly higher impedance affects low-current regulation accuracy | Select when >25 mA load current or enhanced thermal margin is required; verify layout compatibility with same footprint |
| BZX84-C10LT1G | Identical 10 V ±5%, 250 mW, 10 Ω ZZ, but manufactured by ON Semiconductor with RoHS-compliant termination | No functional difference; identical electrical specs and SOT-23 pinout; differs only in packaging and compliance marking | Preferred for new designs requiring lead-free assembly; drop-in replacement with identical performance and layout |
Compared with MMBZ5240BS-7-F and BZX84-C10LT1G, the BZX84C10_D87Z offers optimal balance of low impedance and thermal efficiency for 10–20 mA reference applications, while BZX84-C10LT1G provides seamless RoHS transition without design change.
Availability
BZX84C10_D87Z is available at Aetrix Electronics and suitable for power supply rail clamp, ADC reference stabilizer, low-power bias generator, and temperature-compensated oscillator trim applications requiring stable component supply and consistent parametric performance.
Supply support for BZX84C10_D87Z 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
ON Semiconductor is a global semiconductor supplier delivering energy-efficient, intelligent power and sensing solutions for automotive, industrial, cloud computing, medical, and IoT applications.
The BZX84 series belongs to ON Semiconductor's precision Zener diode product line, engineered for reliable voltage regulation and reference in space-constrained, low-power electronic systems.
FAQ
What is the zener voltage tolerance of BZX84C10_D87Z?
The BZX84C10_D87Z has a zener voltage tolerance of ±5%, meaning its nominal 10 V breakdown occurs between 9.4 V and 10.7 V at 20 mA test current. This tolerance is confirmed in the Electrical Characteristics table of the official ON Semiconductor datasheet Rev. 1.10, and applies directly to the BZX84C10_D87Z variant without deviation.
What is the maximum power dissipation for BZX84C10_D87Z at 25°C ambient?
The BZX84C10_D87Z is rated for 250 mW power dissipation at TA = 25°C when mounted on a standard FR-4 PCB (76.2 mm × 114.3 mm). This value is specified in the Absolute Maximum Ratings table and must be thermally derated above 25°C using the 465°C/W junction-to-ambient thermal resistance to avoid exceeding the 150°C maximum junction temperature.
Does BZX84C10_D87Z have a specified temperature coefficient?
Yes, the BZX84C10_D87Z has a temperature coefficient of +4.5 mV/°C at 5.0 mA zener current, as documented in the Electrical Characteristics table. This positive coefficient reflects how its zener voltage increases linearly with temperature and is essential for designing temperature-stable references or compensation networks involving the BZX84C10_D87Z.
What is the reverse leakage current specification for BZX84C10_D87Z?
The reverse leakage current for BZX84C10_D87Z is specified as ≤0.2 µA at VR = 7.0 V, per the Electrical Characteristics table. This low leakage ensures minimal parasitic loading in high-impedance circuits such as sensor bias networks or precision voltage dividers where the BZX84C10_D87Z is deployed.
Is BZX84C10_D87Z compatible with standard SOT-23 footprints?
Yes, the BZX84C10_D87Z uses the industry-standard SOT-23 package with cathode-anode-cathode pinout (Pin 1 = anode, Pins 2 & 3 = cathode). Its mechanical dimensions (2.9 mm × 1.3 mm) and lead pitch match JEDEC TO-236AB specifications, ensuring full compatibility with automated placement equipment and existing SOT-23 land patterns used for the BZX84C10_D87Z.
BZX84C10_D87Z Specifications
- Product attributes
- Attribute value
- Manufacturer:
- onsemi
- Series:
- -
- Package/Case:
- TO-236-3, SC-59, SOT-23-3
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Voltage - Zener (Nom) (Vz):
- 10 V
- Tolerance:
- ±6%
- Power - Max:
- 350 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:
- -55°C ~ 150°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOT-23-3
BZX84C10_D87Z FAQ
1.How can I place an order for BZX84C10_D87Z through Aetrix?
Please submit a Request for Quotation (RFQ) for BZX84C10_D87Z 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_D87Z reliable?
The price and inventory of BZX84C10_D87Z are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for BZX84C10_D87Z is usually 5 days.
3.What payment methods are accepted for BZX84C10_D87Z?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for BZX84C10_D87Z transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for BZX84C10_D87Z?
BZX84C10_D87Z orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your BZX84C10_D87Z 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_D87Z?
For technical support, including BZX84C10_D87Z datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your BZX84C10_D87Z requirements.
6.How does Aetrix verify that BZX84C10_D87Z is sourced from the original manufacturer or authorized distributors?
All BZX84C10_D87Z 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_D87Z meets industry standards.
7.What is the process for return or replacement of BZX84C10_D87Z?
All BZX84C10_D87Z units undergo pre-shipment inspection (PSI). If there is an issue with BZX84C10_D87Z, 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_D87Z part is unused and in its original packaging.
Return procedure for BZX84C10_D87Z:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
BZX84C10_D87Z Tags
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