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Nexperia USA Inc. BZV49-C6V8,115
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- Part No.:
- BZV49-C6V8,115
- Manufacturer:
- Nexperia USA Inc.
- Category:
- Single Zener Diodes
- Package:
- TO-243AA
- Datasheet:
-
BZV49-C6V8,115.pdf
- Description:
- DIODE ZENER 6.8V 1W SOT89
- Quantity:
- Payment:
- Shipping:
Inventory:1,329
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Product details
Overview
BZV49-C6V8,115 from Nexperia is a medium-power Zener voltage regulator diode in SOT89 package, designed for precision DC voltage reference and stabilization in power supply rails. It delivers a nominal Zener voltage of 6.8 V ±5%, with differential resistance of 6–15 Ω at 5 mA test current, 1 W total power dissipation, and low temperature coefficient (+1.2 to +4.5 mV/K), suitable for industrial power regulation and analog circuit biasing.
For engineers reviewing the BZV49-C6V8,115 datasheet, BZV49-C6V8,115 pinout, BZV49-C6V8,115 application, or BZV49-C6V8,115 equivalent, key selection criteria include Zener voltage tolerance, thermal resistance (125 K/W junction-to-ambient), non-repetitive peak reverse power (40 W), reverse leakage (<2 μA at 5 V), and SOT89 thermal pad layout compatibility.
Technical Context
This device operates as a two-terminal shunt voltage regulator, maintaining stable output voltage across variable load currents by conducting reverse current above its breakdown threshold. Its 6.4–7.2 V Zener range ensures robust regulation under ±5% tolerance, while low differential resistance (6–15 Ω) minimizes output voltage variation with current changes.
Thermal design is critical: mounted on a 2.5 cm² ceramic substrate, it achieves 15 K/W junction-to-tie-point resistance but relies on PCB copper area for heat dissipation due to 125 K/W junction-to-ambient rating. The 100 μs non-repetitive surge capability (up to 40 W) supports transient overvoltage clamping in low-duty-cycle protection circuits.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Zener Voltage (VZ) | 6.4 V to 7.2 V at 5 mA - defines regulated output voltage window under nominal bias |
| Differential Resistance (rdiff) | 6 Ω to 15 Ω at 5 mA - determines load regulation error slope (ΔVZ = rdiff × ΔIZ) |
| Max Power Dissipation (Ptot) | 1 W at Tamb = 25 °C - sets continuous DC current limit (~147 mA at 6.8 V) |
| Temp Coefficient (SZ) | +1.2 mV/K to +4.5 mV/K - quantifies voltage drift per °C rise, critical for temperature-stable references |
| Reverse Leakage (IR) | ≤2 μA at VR = 5 V - ensures minimal quiescent current in standby regulation |
| Non-repetitive Peak Power (PZSM) | 40 W for 100 μs - enables short-duration overvoltage clamping without thermal runaway |
| Junction Temperature (Tj) | 150 °C max - constrains maximum allowable power under derated ambient conditions |
Pinout & Package
Supplied in SOT89 (SC-62) surface-mount plastic package with exposed collector pad for enhanced thermal conduction. Dimensions: 4.6 × 2.6 × 1.6 mm; lead pitch 3.0 mm; tie-point thermal path optimized for PCB copper pour.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | Anode | Connected to lower-potential rail; reverse-biased during regulation |
| 2 | Cathode | Connected to regulated output node; carries full Zener current |
| 3 | Anode | Electrically tied to Pin 1; provides second mechanical anchor and thermal path via exposed pad |
Key Features
| Feature | Design Value |
|---|---|
| ±5% Zener voltage tolerance | Enables predictable regulation without post-production trimming in cost-sensitive applications |
| 1 W continuous power rating | Supports higher-current regulation than standard 400 mW Zeners, reducing need for external pass devices |
| SOT89 thermal pad construction | Allows direct PCB copper connection to internal die attach pad, lowering thermal resistance by ~30% vs. SOIC |
| Low 6–15 Ω dynamic impedance | Minimizes output voltage deviation under load transients up to ±50 mA |
| −65 °C to +150 °C operating range | Validates use in automotive engine control modules and industrial motor drives without derating |
Applications
| Power Supply Voltage Reference | Overvoltage Protection Clamp |
|---|---|
Use Scenario: Stabilizing feedback node in adjustable DC-DC converter (e.g., LM317-based supply). IC Role / Device Role / Timing Role: Shunt reference providing precise 6.8 V setpoint to error amplifier input. Use Value: Maintains ±1% output accuracy over line/load/temperature with <10 mV ripple rejection at 100 kHz. | Use Scenario: Clamping transient spikes on 5 V logic rail caused by relay coil flyback or ESD events. IC Role / Device Role / Timing Role: Fast-acting shunt clamp diverting surge current away from downstream ICs. Use Value: Limits voltage excursion to ≤7.2 V for <100 μs, preventing latch-up in microcontrollers rated for 6 V absolute max. |
| Analog Sensor Biasing | Industrial Current Loop Interface |
Use Scenario: Providing stable excitation voltage to resistive temperature detector (RTD) bridge in process control transmitter. IC Role / Device Role / Timing Role: Low-noise, low-drift voltage source for Wheatstone bridge bias. Use Value: Delivers <5 ppm/°C drift over −40 to +85 °C, enabling 0.1 °C temperature resolution. | Use Scenario: Regulating loop supply voltage in 4–20 mA transmitter front-end with HART modulation. IC Role / Device Role / Timing Role: Primary shunt regulator establishing 6.8 V local rail for op-amps and DACs. Use Value: Ensures loop compliance margin ≥2 V across full 20 mA range while rejecting 120 Hz ripple from AC-DC stage. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar Zener voltage regulation applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MMSZ4687-TP (Micro Commercial) | Same 6.8 V nominal, ±5% tolerance, but SOD-123 package (0.35 W Ptot, no thermal pad) | Limited to ≤100 mA average current; unsuitable for >0.5 W continuous dissipation | Select when board space is constrained and power <0.35 W; avoid in thermally demanding layouts. |
| BZX84-C6V8 (Nexperia) | Same 6.8 V, ±5%, but SOT23 package (350 mW Ptot, higher Rth(j-a) = 300 K/W) | Requires significant PCB copper for >100 mA operation; not recommended for >0.25 W sustained loads | Choose for legacy SOT23 footprints where thermal budget allows; verify junction temp rise in final layout. |
Compared with MMSZ4687-TP and BZX84-C6V8, BZV49-C6V8,115 offers 2.8× higher continuous power handling and 4× better thermal performance-critical for industrial power supplies and high-reliability sensor interfaces where long-term stability outweighs footprint savings.
Availability
BZV49-C6V8,115 is available at Aetrix Electronics and suitable for industrial power supplies, analog sensor signal conditioning, and 4–20 mA current loop transmitters requiring stable component supply and long-lifecycle availability.
Supply support for BZV49-C6V8,115 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, with focus on automotive, industrial, computing, and consumer markets.
The BZV49 series belongs to Nexperia's voltage regulator diode product line, engineered for medium-power precision DC voltage stabilization in space-constrained SMD applications where thermal reliability and tight tolerance are essential.
FAQ
What is the maximum continuous reverse current this Zener can handle at 25 °C?
At 25 °C ambient, BZV49-C6V8,115 supports up to 147 mA continuous reverse current (calculated as 1 W ÷ 6.8 V), assuming adequate PCB copper area for heat dissipation. Derating is required above 25 °C per the 125 K/W junction-to-ambient thermal resistance.
Does this part have a built-in thermal pad, and how should it be connected on the PCB?
Yes, Pin 3 is an electrically connected anode terminal that forms part of the exposed thermal pad in the SOT89 package. It must be soldered to a minimum 25 mm² copper pour with thermal vias to internal ground planes to achieve specified thermal resistance and prevent junction overheating.
How does the temperature coefficient affect regulation accuracy over −40 °C to +125 °C?
With a typical temperature coefficient of +3.0 mV/K, BZV49-C6V8,115 exhibits ~510 mV total drift across 170 °C range. For high-accuracy applications, this requires compensation or use within narrower temperature bands where drift remains <±50 mV.
Can this Zener be used in parallel for higher current capability?
No-Zener diodes exhibit manufacturing spread in VZ and dynamic resistance, causing current imbalance. Parallel operation risks thermal runaway in one device. Use a single higher-power Zener or add ballast resistors if higher current is needed.
BZV49-C6V8,115 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Nexperia USA Inc.
- Series:
- -
- Package/Case:
- TO-243AA
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Voltage - Zener (Nom) (Vz):
- 6.8 V
- Tolerance:
- ±5%
- Power - Max:
- 1 W
- Impedance (Max) (Zzt):
- 15 Ohms
- Current - Reverse Leakage @ Vr:
- 2 µA @ 4 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-89
BZV49-C6V8,115 FAQ
1.How can I place an order for BZV49-C6V8,115 through Aetrix?
Please submit a Request for Quotation (RFQ) for BZV49-C6V8,115 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 BZV49-C6V8,115 reliable?
The price and inventory of BZV49-C6V8,115 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for BZV49-C6V8,115 is usually 5 days.
3.What payment methods are accepted for BZV49-C6V8,115?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for BZV49-C6V8,115 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for BZV49-C6V8,115?
BZV49-C6V8,115 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your BZV49-C6V8,115 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 BZV49-C6V8,115?
For technical support, including BZV49-C6V8,115 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your BZV49-C6V8,115 requirements.
6.How does Aetrix verify that BZV49-C6V8,115 is sourced from the original manufacturer or authorized distributors?
All BZV49-C6V8,115 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 BZV49-C6V8,115 meets industry standards.
7.What is the process for return or replacement of BZV49-C6V8,115?
All BZV49-C6V8,115 units undergo pre-shipment inspection (PSI). If there is an issue with BZV49-C6V8,115, 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 BZV49-C6V8,115 part is unused and in its original packaging.
Return procedure for BZV49-C6V8,115:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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