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Nexperia USA Inc. BZV90-C51,115
- Part No.:
- BZV90-C51,115
- Manufacturer:
- Nexperia USA Inc.
- Category:
- Single Zener Diodes
- Package:
- TO-261-4, TO-261AA
- Datasheet:
-
BZV90-C51,115.pdf
- Description:
- DIODE ZENER 51V 1.5W SOT223
- Quantity:
- Payment:
- Shipping:
Inventory:980
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Product details
Overview
BZV90-C51,115 from Nexperia is a medium-power Zener voltage regulator diode in SOT223 package, designed for precision DC voltage reference and stabilization in power supply rails. It delivers a nominal Zener voltage of 48–54 V at 2 mA test current, with differential resistance ≤60 Ω, temperature coefficient of +0.4 mV/K (typ.), and total power dissipation up to 1500 mW - used in industrial power monitoring and analog sensor biasing circuits.
For engineers reviewing the BZV90-C51,115 datasheet, BZV90-C51,115 pinout, BZV90-C51,115 application, or BZV90-C51,115 equivalent, key selection criteria include Zener voltage tolerance (±5%), non-repetitive peak reverse power (40 W), thermal resistance (83.3 K/W), junction temperature limit (150 °C), and SOT223 mounting requirements for stable regulation under transient load conditions.
Technical Context
This Zener diode operates in reverse breakdown mode with tightly controlled VZ across its E24-standardized 48–54 V range. Its low differential resistance (≤60 Ω) ensures minimal output voltage drift under varying current loads, while the positive temperature coefficient (+0.4 mV/K) enables predictable thermal behavior in ambient ranges from −65 °C to +150 °C.
The device uses a planar silicon junction structure optimized for stable regulation under pulsed stress (100 μs, 40 W peak), and its SOT223 package features an exposed collector pad for enhanced thermal conduction to PCB copper areas ≥2 cm² - critical for maintaining Tj ≤150 °C during sustained 1500 mW operation.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Zener Voltage VZ | 48–54 V at IZtest = 2 mA; defines stable regulation point for mid-range DC rails |
| Differential Resistance rdif | ≤60 Ω at IZtest; limits output voltage variation under ±10 mA load shifts |
| Power Dissipation Ptot | 1500 mW at Tamb = 25 °C on 2 cm² FR4 PCB; sets continuous thermal design boundary |
| Peak Reverse Power PZSM | 40 W for 100 μs pulses; supports surge immunity in unregulated input stages |
| Temperature Coefficient SZ | +0.4 mV/K (typ.) at IZtest; enables predictable VZ drift compensation in wide-temp designs |
| Junction Temperature Tj | 150 °C max; constrains heatsinking and layout for long-term reliability |
| Reverse Current IR | ≤0.05 μA at VR = 35.7 V; ensures low leakage in high-impedance reference paths |
Pinout & Package
SOT223 plastic surface-mount package with exposed thermal pad (lead 3), rated for 1500 mW dissipation when mounted on ≥2 cm² double-sided copper PCB area.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | Anode | DC return path for Zener current; connects to ground or low-side reference node |
| 2, 4 | Cathode | High-impedance input for regulated voltage; ties to supply rail requiring stabilization |
| 3 | Anode (thermal pad) | Electrically connected to Pin 1; must be soldered to PCB copper for thermal management |
Key Features
| Feature | Design Value |
|---|---|
| E24 voltage standardization | 48–54 V nominal range with ±5% tolerance enables drop-in replacement across 37 variants |
| Low differential resistance | ≤60 Ω ensures <±30 mV output shift under ±10 mA dynamic load changes |
| Controlled temperature coefficient | +0.4 mV/K allows predictable VZ tracking in industrial environments (−40 to +125 °C) |
| Non-repetitive surge rating | 40 W / 100 μs withstand capability protects against line transients without derating |
| SOT223 thermal pad | Exposed anode pad reduces Rth j-a to 83.3 K/W - critical for compact power supply layouts |
Applications
| Industrial Power Monitoring | Automotive Sensor Biasing |
|---|---|
|
Use Scenario: Monitoring 48 V battery systems in commercial vehicles using resistive divider + ADC. IC Role / Device Role / Timing Role: Precision voltage reference for ADC full-scale calibration. Use Value: ±5% VZ tolerance and +0.4 mV/K TC ensure <±0.5% measurement error over −40 to +105 °C. |
Use Scenario: Providing stable 51 V bias to MEMS pressure sensor front-end amplifiers. IC Role / Device Role / Timing Role: Low-noise Zener reference replacing higher-drift alternatives. Use Value: ≤60 Ω rdif minimizes sensor offset drift under varying supply ripple (100 mVpp). |
| Programmable Logic Supply Clamp | Telecom Line Card Protection |
|
Use Scenario: Clamping FPGA I/O bank supply (5 V nominal) during hot-swap events. IC Role / Device Role / Timing Role: Transient voltage suppressor with precise clamping threshold. Use Value: 40 W / 100 μs surge rating absorbs ESD and inductive kick without degradation. |
Use Scenario: Regulating auxiliary 48 V DC feed in telecom line interface cards. IC Role / Device Role / Timing Role: Primary voltage reference for isolated DC/DC feedback loop. Use Value: 1500 mW continuous rating supports >100 mA reference current for optocoupler drivers. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar Zener voltage regulation applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| BZX84-C51,215 | Same VZ range but SOT23 package; lower Ptot (300 mW); no thermal pad | Limited to low-power signal-level references; unsuitable for >50 mA regulation | Select only when board space is constrained and thermal load <300 mW |
| 1N4733A | Through-hole DO-41; VZ = 51 V ±5%; Ptot = 1000 mW; no surge rating spec | Requires manual assembly; lacks 40 W pulse rating for transient-heavy environments | Prefer for legacy through-hole designs where reworkability outweighs surge immunity |
Compared with BZX84-C51,215 and 1N4733A, the BZV90-C51,115 uniquely combines SMT manufacturability, 1500 mW continuous power, 40 W surge capability, and thermal-pad-enhanced cooling - making it optimal for automated, high-reliability industrial power rails.
Availability
BZV90-C51,115 is available at Aetrix Electronics and suitable for industrial power monitoring, automotive sensor biasing, programmable logic supply clamping, and telecom line card protection requiring stable component supply and long-lifecycle support.
Supply support for BZV90-C51,115 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
Nexperia is a global leader in discrete, logic, and PowerMOS semiconductors, spun off from NXP in 2017 and focused on automotive, industrial, computing, and consumer markets.
The BZV90 series belongs to Nexperia's voltage regulator diode product line, engineered for high-stability DC voltage reference and transient-tolerant regulation in space-constrained SMT power systems.
FAQ
What is the maximum continuous power dissipation for BZV90-C51,115?
The BZV90-C51,115 has a maximum total power dissipation of 1500 mW at ambient temperature of 25 °C when mounted on an FR4 PCB with ≥2 cm² double-sided copper area. Derating is required above 25 °C per the 83.3 K/W thermal resistance specification.
Does BZV90-C51,115 support surge protection applications?
Yes - it supports non-repetitive peak reverse power dissipation up to 40 W for 100 μs square-wave pulses at 25 °C junction temperature, making it suitable for clamping transient overvoltages in power supply inputs and I/O protection circuits.
How is the SOT223 thermal pad (Pin 3) electrically connected?
Pin 3 is the exposed anode thermal pad and is electrically connected to Pin 1 (anode). It must be soldered to a PCB copper pour for thermal conduction and cannot be left floating - doing so violates the 83.3 K/W thermal resistance rating and risks thermal runaway.
What is the typical temperature coefficient for BZV90-C51,115?
The typical temperature coefficient is +0.4 mV/K at IZtest = 2 mA, indicating a positive, linear drift in Zener voltage with rising junction temperature - a key parameter for compensating reference stability in wide-temperature industrial applications.
BZV90-C51,115 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Nexperia USA Inc.
- Series:
- -
- Package/Case:
- TO-261-4, TO-261AA
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Voltage - Zener (Nom) (Vz):
- 51 V
- Tolerance:
- ±5%
- Power - Max:
- 1.5 W
- Impedance (Max) (Zzt):
- 180 Ohms
- Current - Reverse Leakage @ Vr:
- 50 nA @ 35.7 V
- Voltage - Forward (Vf) (Max) @ If:
- 1 V @ 50 mA
- Operating Temperature:
- -65°C ~ 150°C
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOT-223
BZV90-C51,115 FAQ
1.How can I place an order for BZV90-C51,115 through Aetrix?
Please submit a Request for Quotation (RFQ) for BZV90-C51,115 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 BZV90-C51,115 reliable?
The price and inventory of BZV90-C51,115 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for BZV90-C51,115 is usually 5 days.
3.What payment methods are accepted for BZV90-C51,115?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for BZV90-C51,115 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for BZV90-C51,115?
BZV90-C51,115 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your BZV90-C51,115 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 BZV90-C51,115?
For technical support, including BZV90-C51,115 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your BZV90-C51,115 requirements.
6.How does Aetrix verify that BZV90-C51,115 is sourced from the original manufacturer or authorized distributors?
All BZV90-C51,115 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 BZV90-C51,115 meets industry standards.
7.What is the process for return or replacement of BZV90-C51,115?
All BZV90-C51,115 units undergo pre-shipment inspection (PSI). If there is an issue with BZV90-C51,115, 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 BZV90-C51,115 part is unused and in its original packaging.
Return procedure for BZV90-C51,115:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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