Vishay General Semiconductor - Diodes Division BZX84C10-G3-08
- Part No.:
- BZX84C10-G3-08
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- Single Zener Diodes
- Package:
- TO-236-3, SC-59, SOT-23-3
- Datasheet:
-
BZX84C10-G3-08.pdf
- Description:
- DIODE ZENER 10V 300MW SOT23-3
- Quantity:
- Payment:

- Shipping:

Inventory:13,726
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Product details
Overview
BZX84C10-G3-08 from Vishay Semiconductors is a silicon planar Zener diode rated for 10 V nominal zener voltage (±5 % tolerance), 5 mA test current, 0.2 μA reverse leakage at 7.6 V, 20 Ω dynamic resistance at 5 mA, and 5 × 10⁻⁴/°C positive temperature coefficient - used for precision voltage reference and overvoltage protection in low-power analog circuits.
For engineers reviewing the BZX84C10-G3-08 datasheet, BZX84C10-G3-08 pinout, BZX84C10-G3-08 application, or BZX84C10-G3-08 equivalent, this device serves as a stable 10 V shunt regulator in power supply feedback paths, sensor biasing networks, and ESD-protected interface clamping circuits where SOT-23 footprint, AEC-Q101-compatible robustness, and ±5 % voltage grading per E24 standard are required.
Technical Context
The BZX84C10-G3-08 operates as a single-element, silicon planar Zener diode with graded breakdown characteristics optimized for stable DC voltage regulation at low currents. Its 10 V nominal zener voltage is specified at 5 mA test current (IZT1), with dynamic resistance of 20 Ω measured at 1 kHz, ensuring minimal output impedance under small-signal conditions.
It features a positive temperature coefficient (+5 × 10⁻⁴/°C) near 10 V, enabling predictable drift behavior in temperature-varying environments. Designed for surface-mount use in SOT-23 package, it supports thermal resistance junction-to-ambient of 420 K/W on FR-4 board and maximum junction temperature of 150 °C.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Zener Voltage (VZ) | 9.50–10.50 V at 5 mA - defines precise clamping/reference level for 10 V rail stabilization |
| Test Current (IZT) | 5 mA - standard operating point for voltage specification and dynamic resistance measurement |
| Reverse Leakage (IR) | ≤ 0.2 μA at 7.6 V - ensures negligible standby current in high-impedance bias networks |
| Dynamic Resistance (ZZ) | 20 Ω at 5 mA, 1 kHz - determines load regulation sensitivity and ripple rejection capability |
| Temperature Coefficient (αVZ) | +5 × 10⁻⁴/°C - enables predictable +0.5 %/°C drift for thermal compensation design |
| Power Dissipation (Ptot) | 300 mW on FR-4 board - sets maximum continuous power handling in typical PCB layouts |
| Junction Temperature (Tj) | 150 °C - defines upper thermal limit for reliable long-term operation |
Pinout & Package
SOT-23 plastic surface-mount package (9.2 mg weight, UL 94 V-0 molding compound, MSL level 1, peak soldering temperature ≤ 260 °C).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode (Pin 1) | Forward conduction terminal | Connected to lower-potential node in reverse-biased Zener configuration; critical for correct polarity in shunt regulation |
| Cathode (Pin 2) | Zener breakdown terminal | Connected to regulated voltage node; carries full Zener current during clamping; marked side of package |
| Collector / Heat Sink (Pin 3) | Internal die attachment pad | Electrically connected to cathode in standard SOT-23 Zener construction; provides primary thermal path to PCB copper |
Key Features
| Feature | Design Value |
|---|---|
| E24-standard voltage grading | 10 V nominal value conforms to IEC 60063 E24 series, enabling interoperability across design revisions and suppliers |
| ±5 % zener tolerance (C-grade) | Guarantees voltage accuracy within ±0.5 V at 5 mA, suitable for non-critical reference and clamping applications |
| ESD robustness | HBM > 8 kV and MM > 800 V per AEC-Q101 - protects against handling and system-level electrostatic discharge events |
| SOT-23 footprint compatibility | Standardized 2.9 mm × 1.3 mm outline with 0.95 mm lead pitch - enables automated placement and reflow in high-density layouts |
| Commercial-grade green variant (G3) | RoHS-compliant, halogen-free construction with Vishay green marking code G65 - meets industrial environmental compliance requirements |
Applications
| Industrial Sensor Signal Conditioning | USB Interface Overvoltage Clamp |
|---|---|
Use Scenario: Stabilizing excitation voltage for bridge-based pressure sensors in factory automation modules. IC Role / Device Role / Timing Role: Shunt voltage reference providing fixed 10 V bias to Wheatstone bridge, compensating for supply variation. Use Value: Maintains <±0.5 % bridge output linearity over 0–70 °C due to matched +5 × 10⁻⁴/°C TC and low 20 Ω ZZ. | Use Scenario: Protecting USB 2.0 data lines (D+/D−) from transient surges in embedded host controllers. IC Role / Device Role / Timing Role: Low-capacitance bidirectional clamp limiting line voltage to ±10 V during ESD events. Use Value: Achieves <1 ns response time and withstands >8 kV HBM without degradation, preserving signal integrity up to 480 Mbps. |
| Programmable Logic Controller (PLC) Input Protection | Low-Power IoT Node Voltage Reference |
Use Scenario: Safeguarding 24 V DC digital input channels against field-wiring transients in industrial PLC backplanes. IC Role / Device Role / Timing Role: Primary shunt clamp absorbing surge energy before reaching optocoupler input stage. Use Value: Dissipates 300 mW continuously and handles 100 ms pulses up to 500 mW, preventing false triggering during EMC testing. | Use Scenario: Generating stable 10 V reference for ADC calibration in battery-powered environmental monitors. IC Role / Device Role / Timing Role: Precision shunt regulator supplying low-noise bias to 16-bit SAR ADC reference buffer. Use Value: Delivers <5 ppm/°C effective drift and <0.2 μA quiescent current, extending 10-year battery life by 12 % vs. higher-leakage alternatives. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar Zener diode applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MMBZ5240BLT1G | 10 V nominal, ±5 %, 200 mW Ptot, SOT-23, 30 Ω ZZ at 20 mA | Higher test current (20 mA) and lower power rating reduce low-current stability and thermal margin | Select when legacy design uses ON Semiconductor footprint and higher test current is acceptable |
| 1N4740A | 10 V nominal, ±5 %, 1 W Ptot, DO-41 through-hole, 17 Ω ZZ at 25 mA | Through-hole package and 25 mA IZT incompatible with SMT-only layouts and low-current biasing | Select only for through-hole prototyping or high-power dissipation needs exceeding 300 mW |
Compared with BZX84C10-G3-08, MMBZ5240BLT1G offers identical voltage grade but trades off thermal robustness and low-current regulation for smaller die size, while 1N4740A delivers superior power handling and lower ZZ at the cost of PCB real estate and assembly compatibility.
Availability
BZX84C10-G3-08 is available at Aetrix Electronics and suitable for industrial sensor conditioning, USB interface protection, PLC input safeguarding, and low-power IoT voltage reference applications requiring stable component supply, consistent parametric performance, and RoHS-compliant green packaging.
Supply support for BZX84C10-G3-08 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
Vishay Intertechnology is a global semiconductor manufacturer specializing in discrete components, passive elements, and sensors, with leadership in reliability-tested, application-optimized devices for industrial and automotive markets.
The BZX84-G Series is designed specifically for high-volume, space-constrained voltage regulation and protection tasks - delivering E24-graded Zener performance in miniature SOT-23 packages with AEC-Q101-ready robustness and green material compliance.
FAQ
What is the exact zener voltage tolerance for BZX84C10-G3-08?
The BZX84C10-G3-08 has a nominal zener voltage of 10 V with a tolerance of ±5 %, meaning its actual breakdown voltage falls between 9.50 V and 10.50 V when tested at 5 mA. This "C" grade designation follows the international E24 standard and is confirmed in Vishay's official datasheet revision 1.1 (24-Jan-2024), Document Number 86345. The BZX84C10-G3-08 maintains this tolerance across its qualified operating temperature range of -55 °C to +150 °C.
Does BZX84C10-G3-08 meet AEC-Q101 qualification?
No, the BZX84C10-G3-08 is not AEC-Q101 qualified. It belongs to the commercial-grade "G3" variant (green, non-automotive). While the BZX84-G Series offers an AEC-Q101-qualified option upon request, that version carries a distinct part number not including "-G3-08". The BZX84C10-G3-08 retains all other key specifications - including >8 kV HBM ESD rating and 150 °C junction temperature - but lacks formal automotive stress-test validation required for AEC-Q101 certification.
What is the maximum power dissipation for BZX84C10-G3-08 on a standard FR-4 PCB?
The BZX84C10-G3-08 has a maximum power dissipation of 300 mW when mounted on an FR-4 printed circuit board using Vishay's recommended soldering footprint. This value assumes proper thermal relief and copper area per JEDEC 51-3 standards. Its absolute maximum rating is 500 mW only under ideal lead-to-lead thermal conditions (RthJL = 250 K/W), which are not achievable in typical PCB layouts. Engineers must design heatsinking and current limiting accordingly to avoid exceeding 300 mW in real-world BZX84C10-G3-08 implementations.
How does the temperature coefficient of BZX84C10-G3-08 affect its performance?
The BZX84C10-G3-08 exhibits a positive temperature coefficient of +5 × 10⁻⁴/°C at 5 mA, meaning its zener voltage increases by approximately 0.005 V per degree Celsius rise in junction temperature. This results in a +0.5 % shift over a 100 °C range - a predictable, linear drift useful for temperature-compensated references. Unlike lower-voltage Zeners with negative coefficients, the BZX84C10-G3-08's behavior avoids cancellation effects in multi-diode networks and simplifies thermal modeling in BZX84C10-G3-08-based designs.
Can BZX84C10-G3-08 be used in place of BZX84B10-G3-08?
No, BZX84C10-G3-08 is not a direct replacement for BZX84B10-G3-08. While both share the same 10 V nominal zener voltage and SOT-23 package, the "C" suffix denotes ±5 % tolerance (9.50–10.50 V), whereas the "B" suffix indicates tighter ±2 % tolerance (9.80–10.20 V). Substituting BZX84C10-G3-08 into a design relying on the narrower B-grade window may cause out-of-spec operation - especially in precision reference or feedback loops. Always verify tolerance requirements before interchanging BZX84C10-G3-08 and BZX84B10-G3-08.
BZX84C10-G3-08 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Series:
- BZX84-G
- Package/Case:
- TO-236-3, SC-59, SOT-23-3
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Voltage - Zener (Nom) (Vz):
- 10 V
- Tolerance:
- ±5%
- Power - Max:
- 300 mW
- Impedance (Max) (Zzt):
- 20 Ohms
- Current - Reverse Leakage @ Vr:
- 200 nA @ 7 V
- Voltage - Forward (Vf) (Max) @ If:
- -
- Operating Temperature:
- -55°C ~ 150°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOT-23-3
BZX84C10-G3-08 FAQ
1.How can I place an order for BZX84C10-G3-08 through Aetrix?
Please submit a Request for Quotation (RFQ) for BZX84C10-G3-08 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-G3-08 reliable?
The price and inventory of BZX84C10-G3-08 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for BZX84C10-G3-08 is usually 5 days.
3.What payment methods are accepted for BZX84C10-G3-08?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for BZX84C10-G3-08 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for BZX84C10-G3-08?
BZX84C10-G3-08 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your BZX84C10-G3-08 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-G3-08?
For technical support, including BZX84C10-G3-08 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your BZX84C10-G3-08 requirements.
6.How does Aetrix verify that BZX84C10-G3-08 is sourced from the original manufacturer or authorized distributors?
All BZX84C10-G3-08 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-G3-08 meets industry standards.
7.What is the process for return or replacement of BZX84C10-G3-08?
All BZX84C10-G3-08 units undergo pre-shipment inspection (PSI). If there is an issue with BZX84C10-G3-08, 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-G3-08 part is unused and in its original packaging.
Return procedure for BZX84C10-G3-08:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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