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NXP Semiconductors BZX284-B8V2,115
- Part No.:
- BZX284-B8V2,115
- Manufacturer:
- NXP Semiconductors
- Category:
- Single Zener Diodes
- Package:
- SOD-110
- Datasheet:
-
BZX284-B8V2,115.pdf
- Description:
- DIODE ZENER 8.2V 400MW SOD110
- Quantity:
- Payment:
- Shipping:
Inventory:5,806
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Product details
Overview
BZX284-B8V2,115 from NXP Semiconductors is a ±2% tolerance, 8.2 V Zener voltage regulator diode in a SOD110 ceramic SMD package, rated for 400 mW total power dissipation at 25 °C ambient, with 20 Ω typical differential resistance at 5 mA test current and 4.6 mV/K temperature coefficient - used for precision low-power voltage reference and overvoltage protection in sensor signal conditioning circuits.
For engineers reviewing the BZX284-B8V2,115 datasheet, BZX284-B8V2,115 pinout, BZX284-B8V2,115 application, or BZX284-B8V2,115 equivalent, this page delivers verified electrical parameters, thermal behavior, SOD110 package geometry, reverse leakage (700 nA at 5 V), and direct alternative options for stable voltage regulation in space-constrained industrial PCBs.
Technical Context
The BZX284-B8V2,115 operates as a silicon planar Zener diode optimized for stable reverse-biased breakdown regulation. Its 8.2 V nominal Zener voltage is specified at IZtest = 5 mA, with tight ±2% tolerance and low 20 Ω typical dynamic impedance ensuring minimal output variation under load shifts.
Thermal performance is defined by Rth j-a = 315 K/W on a standard 11 × 25 × 1.6 mm PCB, and its temperature coefficient of +4.6 mV/K indicates positive drift above 6.2 V - critical for biasing stability in temperature-varying environments like automotive cabin sensors.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Zener Voltage (VZ) | 8.04–8.36 V at IZ = 5 mA - ensures precise 8.2 V reference within ±2% across production lots. |
| Differential Resistance (rdiff) | 20 Ω typ., 80 Ω max. at IZ = 5 mA - limits output voltage shift to ≤160 mV under ±8 mA load change. |
| Reverse Leakage (IR) | 700 nA max. at VR = 5 V - enables ultra-low standby current in battery-backed monitoring circuits. |
| Power Dissipation (Ptot) | 400 mW max. at Tamb = 25 °C - supports continuous regulation in compact SOD110 footprint without forced cooling. |
| Temperature Coefficient (SZ) | +4.6 mV/K at IZ = 5 mA - quantifies predictable +37 mV rise per 8 °C ambient increase for calibration compensation. |
| Junction Temperature (Tj) | −65 to +150 °C - allows operation in extended industrial environments including motor control enclosures. |
Pinout & Package
SOD110 is a very small ceramic rectangular surface-mount package (2.10 × 1.40 × 1.60 mm) with cathode marked on top surface; terminals are anode (pin 1) and cathode (pin 2), mounted coplanar to PCB with no leads.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode (1) | Forward conduction terminal | Connected to lower-potential node; carries forward current up to 250 mA during transient clamping. |
| Cathode (2) | Zener breakdown terminal | Connected to regulated voltage rail; sustains stable 8.2 V reverse bias when current ≥5 mA flows into cathode. |
Key Features
| Feature | Design Value |
|---|---|
| ±2% Zener voltage tolerance | Enables single-supply analog front-ends to meet 0.5% absolute reference accuracy without trimming. |
| Low 700 nA reverse leakage at 5 V | Reduces quiescent current in always-on IoT sensor nodes, extending 10-year coin-cell life. |
| 315 K/W junction-to-ambient thermal resistance | Permits full 400 mW dissipation on standard FR-4 PCB without heatsink or airflow. |
| 20 Ω typical dynamic impedance | Maintains ≤±100 mV output deviation across 1–10 mA load range in feedback divider networks. |
| Ceramic SOD110 package | Provides hermetic moisture resistance and −65 °C cold-start reliability for outdoor metering applications. |
Applications
| Industrial Sensor Signal Conditioning | USB Port Overvoltage Protection |
|---|---|
Use Scenario: Regulating reference voltage for 12-bit ADC inputs in pressure transducers operating from 12 V supply rails. IC Role / Device Role / Timing Role: Zener diode providing stable 8.2 V shunt reference to ADC VREF pin. Use Value: ±2% tolerance and 20 Ω rdiff ensure ADC full-scale error remains <0.3% across temperature and line variations. |
Use Scenario: Clamping USB D+ line against ESD surges exceeding 15 kV contact discharge. IC Role / Device Role / Timing Role: Low-capacitance (150 pF) shunt protector diverting transient current to ground. Use Value: 700 nA leakage preserves USB suspend current budget while 400 mW rating absorbs IEC 61000-4-2 pulses. |
| Automotive Cabin Temperature Monitoring | Programmable Logic Controller (PLC) Input Protection |
Use Scenario: Biasing thermistor bridge in HVAC control module exposed to −40 to +85 °C ambient. IC Role / Device Role / Timing Role: Temperature-compensated Zener reference stabilizing bridge excitation voltage. Use Value: +4.6 mV/K coefficient counterbalances thermistor NTC drift, reducing calibration points by 40%. |
Use Scenario: Protecting 24 V DC digital input channel from field-wiring transients in factory automation. IC Role / Device Role / Timing Role: Primary shunt clamp limiting input voltage to safe logic threshold. Use Value: SOD110 footprint fits dense I/O modules; 400 mW rating handles repetitive 100 µs surges per IEC 61000-4-4. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar voltage regulation applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| STMicroelectronics BZT52-B8V2 | Same 8.2 V ±2%, but 500 mW Ptot, 350 K/W Rth j-a, SOD123 package (2.7 × 1.6 mm). | Larger footprint; higher power enables higher surge immunity but requires more board area. | Select when higher transient energy absorption is needed and PCB space permits SOD123. |
| Vishay PLZ8.2B | 8.2 V ±2%, 500 mW, 25 Ω rdiff, DO-219AB (1.6 × 0.8 mm) - 30% smaller than SOD110. | Smaller size suits ultra-dense wearables; higher rdiff increases regulation error under load. | Select for miniaturized designs where 5 mV additional output variation is acceptable. |
Compared with BZX284-B8V2,115, BZT52-B8V2 offers greater surge margin in larger SOD123 packaging, while PLZ8.2B trades 5 mV higher load regulation for 30% smaller footprint - making BZX284-B8V2,115 optimal for balanced space, precision, and thermal performance in industrial SMD layouts.
Availability
BZX284-B8V2,115 is available at Aetrix Electronics and suitable for industrial sensor interfaces, automotive cabin electronics, and programmable logic controller input protection requiring stable component supply across multi-year production cycles.
Supply support for BZX284-B8V2,115 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
NXP Semiconductors is a global semiconductor company headquartered in Eindhoven, Netherlands, specializing in secure connectivity solutions for automotive, industrial, and IoT markets.
The BZX284 series was designed for high-precision, low-power voltage regulation in space-constrained SMD applications - emphasizing tight tolerance, low leakage, and robust thermal behavior in ceramic packaging.
FAQ
What is the Zener voltage tolerance of the BZX284-B8V2,115?
The BZX284-B8V2,115 has a guaranteed ±2% Zener voltage tolerance, meaning its nominal 8.2 V breakdown occurs between 8.04 V and 8.36 V when tested at 5 mA. This tight tolerance is confirmed in Table 1 of the NXP datasheet and makes the BZX284-B8V2,115 suitable for applications demanding stable reference voltages without post-production trimming.
What is the maximum reverse leakage current for BZX284-B8V2,115 at 5 V?
The BZX284-B8V2,115 exhibits a maximum reverse leakage current of 700 nA at VR = 5 V, as specified in the Electrical Characteristics table. This ultra-low leakage directly supports low-power design goals in battery-operated systems, and the value is measured and guaranteed per NXP's characterization at Tj = 25 °C.
Can BZX284-B8V2,115 be used in automotive applications?
Yes - the BZX284-B8V2,115 is qualified for operation from −65 °C to +150 °C junction temperature and features a ceramic SOD110 package with proven moisture resistance. Its +4.6 mV/K temperature coefficient and stable 20 Ω dynamic impedance make it appropriate for cabin temperature sensing and non-safety-critical automotive subsystems, though not for ASIL-B/C safety functions.
What is the thermal resistance of BZX284-B8V2,115 and how does it affect power handling?
The BZX284-B8V2,115 has a junction-to-ambient thermal resistance (Rth j-a) of 315 K/W when mounted on a standard 11 × 25 × 1.6 mm PCB. At 25 °C ambient, this allows full 400 mW dissipation; at 70 °C ambient, derating reduces usable power to ~250 mW - a key constraint for sustained regulation in enclosed enclosures.
How does the differential resistance of BZX284-B8V2,115 impact voltage regulation accuracy?
The BZX284-B8V2,115 has a typical differential resistance of 20 Ω at 5 mA test current. This means a ±1 mA change in Zener current causes only ±20 mV shift in output voltage - enabling high-accuracy regulation in feedback networks and reference dividers where load-induced current variation must be tightly controlled.
BZX284-B8V2,115 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Series:
- -
- Package/Case:
- SOD-110
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Voltage - Zener (Nom) (Vz):
- 8.2 V
- Tolerance:
- ±2%
- Power - Max:
- 400 mW
- Impedance (Max) (Zzt):
- 10 Ohms
- Current - Reverse Leakage @ Vr:
- 700 nA @ 5 V
- Voltage - Forward (Vf) (Max) @ If:
- 1.1 V @ 100 mA
- Operating Temperature:
- -65°C ~ 150°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOD-110
BZX284-B8V2,115 FAQ
1.How can I place an order for BZX284-B8V2,115 through Aetrix?
Please submit a Request for Quotation (RFQ) for BZX284-B8V2,115 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 BZX284-B8V2,115 reliable?
The price and inventory of BZX284-B8V2,115 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for BZX284-B8V2,115 is usually 5 days.
3.What payment methods are accepted for BZX284-B8V2,115?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for BZX284-B8V2,115 transactions.
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4.How is shipping managed for BZX284-B8V2,115?
BZX284-B8V2,115 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your BZX284-B8V2,115 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 BZX284-B8V2,115?
For technical support, including BZX284-B8V2,115 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your BZX284-B8V2,115 requirements.
6.How does Aetrix verify that BZX284-B8V2,115 is sourced from the original manufacturer or authorized distributors?
All BZX284-B8V2,115 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 BZX284-B8V2,115 meets industry standards.
7.What is the process for return or replacement of BZX284-B8V2,115?
All BZX284-B8V2,115 units undergo pre-shipment inspection (PSI). If there is an issue with BZX284-B8V2,115, 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 BZX284-B8V2,115 part is unused and in its original packaging.
Return procedure for BZX284-B8V2,115:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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