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BZX84-B10

10V 250mW Zener diode, +/-2% tolerance, SOT-23 package

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Manufacturer Part：

BZX84-B10

Package：

SOT-23 (TO-236AB) - 2.9 x 1.3 x 1.0 mm

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Description

Product Overview

The BZX84-B10 is a low-power 10V voltage regulator Zener diode manufactured by Nexperia in a SOT-23 (TO-236AB) surface-mount plastic package. Featuring +/-2% tolerance (B suffix), the device offers up to 250 mW power dissipation and is part of the BZX84 series covering nominal voltages from 2.4V to 75V in E24 range. Its tight tolerance makes it suitable for precision voltage reference and regulation functions.

Key Specifications

Zener Voltage (Nominal) 10V
Tolerance +/-2% (B suffix)
Total Power Dissipation 250 mW max
Test Current (IZ) 5 mA
Zener Voltage Range 9.8V to 10.2V
Forward Current (Max) 200 mA
Non-repetitive Peak Reverse Power 40 W max
Operating Temperature -55°C to +150°C (TJ)
Package SOT-23 (2.9 x 1.3 x 1.0 mm)

Features

  • Tight +/-2% voltage tolerance for precision reference applications
  • 250 mW power dissipation in industry-standard SOT-23 package
  • E24 series voltage selection from 2.4V to 75V
  • Non-repetitive peak reverse power dissipation up to 40W
  • Three tolerance grades available: +/-1% (A), +/-2% (B), +/-5% (C)

Applications

  • Precision voltage reference for ADC/DAC circuits
  • Overvoltage protection clamping on signal lines
  • General voltage regulation in low-power circuits
  • Bias network stabilization in analog signal chains
  • Comparator reference voltage generation

The BZX84-B10 from Nexperia is a 10V low-power Zener voltage regulator diode in the industry-standard SOT-23 plastic package, featuring tight +/-2% tolerance. With 250 mW power dissipation and a Zener voltage range of 9.8V to 10.2V at 5 mA test current, this diode is designed for precision voltage reference and regulation in analog circuits. The SOT-23 footprint is widely supported by automated assembly equipment and offers a compact solution for surface-mount designs. The B suffix ensures tighter voltage regulation compared to the +/-5% C suffix, making this device ideal for applications where voltage accuracy directly impacts circuit performance.

The BZX84-B10 operates in the reverse breakdown region when biased above its 10V Zener voltage. In this avalanche breakdown mode, the diode maintains a relatively constant voltage across its terminals over a range of reverse currents. The +/-2% tolerance ensures the actual breakdown voltage falls between 9.8V and 10.2V at the 5 mA test current, providing a stable reference. The Zener impedance (differential resistance) at the operating point determines the voltage regulation quality; lower impedance yields better regulation against load current variations. At 10V, the breakdown mechanism is dominated by avalanche effect rather than the Zener tunneling effect, resulting in a positive temperature coefficient typical of higher-voltage Zener diodes.

Pin Name Type Function
1 Cathode Passive Positive terminal during Zener operation
2 Anode Passive Negative terminal during Zener operation
3 N/C – Not connected (internal tie to substrate)
  • Precision 10V reference voltage for 10-bit ADC/DAC full-scale calibration
  • Overvoltage protection clamping on 5V microcontroller I/O pins
  • Op-amp bias network voltage stabilization in instrumentation circuits
  • Window comparator reference voltage setting in battery monitoring
  • General-purpose low-power voltage regulation in portable electronics
Manufacturer Part Number Package Notes
Nexperia BZX84-C10 SOT-23 10V 250mW, +/-5% tolerance
onsemi MMSZ5238B SOD-123 10V 500mW, +/-2%
Diodes Inc BZT52C10 SOD-123 10V 500mW, +/-5%
Vishay BZX85C10 DO-41 10V 1W Zener, +/-5%
ROHM KDZVTF10B SOD-523F 10V 200mW Zener
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Quality Assurance

Quality is the core foundation of our long-term global cooperation. With over 20 years of experience in the electronic component industry, Materialparts has built a strict and standardized quality management system covering component sourcing, incoming inspection, full-batch testing, packaging and delivery. We are committed to delivering 100% genuine, high-reliability electronic components for industrial control, automotive electronics, consumer electronics and medical device industries, and fully safeguarding your production and R&D projects.

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All of our electronic components are procured from official authorized distributors and original manufacturers. We strictly reject counterfeits, refurbished parts, disassembled components and gray-market goods. Every product is guaranteed to be brand-new original parts and fully consistent with the original technical parameters. For branded products such as NXP IC series, we maintain complete supply channel documents to realize full product traceability.

2. Strict Full-batch Quality Inspection

We implement 100% full-batch quality control for all goods before shipment. Our professional QC team conducts multi-dimensional tests including appearance inspection, electrical parameter testing, performance verification and packaging check. Each batch of components is attached with complete inspection reports and batch records. We stick to zero-tolerance standards for defective products to ensure every piece of component meets industrial application requirements.

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For static-sensitive, moisture-sensitive and precision components such as ICs, PCBs, sensors and connectors, we carry out reliability screening in advance. Combined with standardized ESD anti-static packaging and vacuum moisture-proof packaging, we avoid component damage caused by static electricity, dampness or collision during storage and transportation, and retain the original performance of products.

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Email: info@ic-vendor.com
Tel / WhatsApp: +86 13760382860
Address: Room 2919, Guoli Building, Huaqiang North, Futian District, Shenzhen, Guangdong, China

 

Shipping & Payment

Materialparts is a professional global supplier of electronic components with over 20 years of industry experience. We provide one-stop supply of passive components, integrated circuits, as well as parts for industrial control, automotive electronics, consumer electronics and medical devices. Below are the unified shipping and payment policies applicable to all orders, samples and bulk purchases worldwide.

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5. Local Pickup in Shenzhen

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Contact Information

Email: info@ic-vendor.com

Tel / WhatsApp: +86 13760382860

Service & Packaging

Materialparts is a professional electronic component supplier based in Shenzhen, China, with over 20 years of global trading experience. We integrate component procurement, quality inspection, technical support, customized packaging, and global delivery services to provide one-stop supply chain solutions. Our business covers industrial control, automotive electronics, consumer electronics, medical devices and other industries. We always adhere to genuine sources, stable supply and considerate after-sales service.

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We specialize in a full range of passive and active electronic components, including SMD resistors, power resistors, connectors, aviation connectors, LED beads, flexible circuit boards, printed circuit boards, and integrated circuits. Our professional team provides BOM list consolidation, component matching, and alternative model recommendation services. We support sample orders, small-batch trial production, and mass production orders with flexible MOQs to meet diverse procurement needs.

2. Genuine Product Guarantee & Full-process Quality Inspection

All products are sourced from official authorized channels and are 100% original genuine parts. Every batch of goods undergoes strict full-process quality inspection before delivery, with complete batch records and traceability documents provided. Our products comply with AEC-Q standards for automotive electronics and high-reliability specifications for medical devices. We eliminate counterfeits, refurbished parts and defective products from the source to secure your project production.

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Our customer service team responds promptly to inquiries and quotation requests. All in-stock orders will be processed within one working day. We provide stocking reservation services for long-term cooperative customers, effectively solving problems such as component shortages and unstable supply chains.

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We cooperate with mainstream international logistics providers including DHL, FedEx, UPS and TNT to achieve fast global delivery. We can provide complete export documents such as customs declaration files, commercial invoices and packing lists to ensure smooth customs clearance for international shipments. Local pickup is also available for customers in Shenzhen, China.

Professional Packaging Standards

Electronic components are sensitive to static electricity, collision, moisture and dust. We adopt industry-standard anti-static packaging solutions to fully ensure the integrity of goods during transportation and storage.

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  • Connector / Aviation Connector Packaging: Hard outer packaging is adopted to prevent pin bending and structural deformation.

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We provide value-added services including personalized packaging, custom labeling and re-reeling according to customer requirements, fully matching your production and warehouse management standards.

Contact Information

For service consultation or packaging customization, please feel free to contact us:
Email: info@ic-vendor.com
Tel / WhatsApp: +86 13760382860
Address: Room 2919, Guoli Building, Huaqiang North, Futian District, Shenzhen, Guangdong, China
 

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