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Nexperia USA Inc. BZV85-C6V8,133
- Part No.:
- BZV85-C6V8,133
- Manufacturer:
- Nexperia USA Inc.
- Category:
- Single Zener Diodes
- Package:
- DO-204AL, DO-41, Axial
- Datasheet:
-
BZV85-C6V8,133.pdf
- Description:
- DIODE ZENER 6.8V 1.3W DO41
- Quantity:
- Payment:
- Shipping:
Inventory:4,968
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Product details
Overview
BZV85-C6V8,133 from Nexperia is a medium-power axial-leaded Zener diode in a hermetically sealed SOD66 (DO-41) glass package, rated for 6.8 V nominal stabilization voltage with ±5 % tolerance, 1.3 W total power dissipation at Ttp = 55 °C, and 60 W non-repetitive peak reverse power handling. It serves as a precision voltage reference or shunt regulator in low-to-medium current linear power supplies and overvoltage protection circuits.
For engineers reviewing the BZV85-C6V8,133 datasheet, BZV85-C6V8,133 pinout, BZV85-C6V8,133 application, or BZV85-C6V8,133 equivalent, this part is selected for stable DC voltage clamping in analog sensor interfaces, industrial control I/O conditioning, and legacy power rail supervision where axial-glass reliability and thermal robustness are required.
Technical Context
This Zener diode operates in reverse breakdown mode with a typical differential resistance of 3.5 Ω at 4 mA test current and exhibits a positive temperature coefficient of +1.3 mV/K at nominal working current-enabling predictable drift compensation in temperature-stable references. Its junction-to-tie-point thermal resistance is 110 K/W with 4 mm lead length, supporting reliable operation up to 200 °C junction temperature.
The device complies with IEC 60134 absolute maximum ratings and is characterized under standardized PCB mounting conditions (1 cm² copper per lead). It delivers 1550 µA maximum reverse leakage at 5.0 V and maintains regulation stability across −65 °C to +200 °C storage range.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Nominal Zener Voltage | 6.8 V (min 6.4 V, max 7.2 V); defines precise DC clamping level for 5 V–12 V rail stabilization |
| Tolerance | ±5 % (E24 series); enables interchangeability within standard voltage bins without recalibration |
| Total Power Dissipation | 1.3 W at Ttp = 55 °C; supports continuous regulation in compact PCB layouts with minimal heatsinking |
| Non-repetitive Peak Reverse Power | 60 W (tp = 100 µs); handles transient surges in ESD-coupled signal lines or unregulated input stages |
| Differential Resistance | 3.5 Ω (typical at IZ = 4 mA); ensures tight regulation slope for low-noise reference applications |
| Temperature Coefficient | +1.3 mV/K (at IZ = 4 mA); provides predictable, linear drift for compensated reference designs |
| Reverse Leakage Current | ≤1550 µA at VR = 5.0 V; guarantees low standby power loss in always-on monitoring circuits |
Pinout & Package
Hermetically sealed axial-glass SOD66 (DO-41) package with 2 leads: cathode marked by a band, anode unmarked. Dimensions: D = 2.6 mm Ø, L = 25.4 mm, b = 0.81 mm lead diameter. Designed for through-hole PCB mounting with 1 cm² copper area per lead.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (banded end) | Cathode | Connected to regulated output node; reverse-biased during Zener operation |
| 2 (unmarked end) | Anode | Connected to ground or lower-potential reference; completes shunt regulation path |
Key Features
| Feature | Design Value |
|---|---|
| Hermetic glass sealing | Prevents moisture ingress and long-term parameter drift in humid or industrial environments |
| E24 voltage grading | Enables precise selection across 33 discrete Zener voltages (3.6 V–75 V) without custom binning |
| 110 K/W Rth(j-t) | Allows direct thermal coupling to PCB copper for passive cooling-no external heatsink needed below 1 W |
| 200 °C max junction temperature | Supports operation in high-ambient environments such as motor drive enclosures or automotive under-hood modules |
| 60 W surge rating | Withstands IEC 61000-4-5 Level 3 surges without derating when used with series current-limiting resistor |
Applications
| Industrial Sensor Signal Conditioning | Legacy Linear Power Supply Reference |
|---|---|
|
Use Scenario: Stabilizing excitation voltage for 4–20 mA current-loop pressure transmitters operating in factory-floor environments. IC Role / Device Role / Timing Role: Shunt Zener reference providing fixed 6.8 V bias to op-amp input stage and current-sense circuitry. Use Value: Maintains <±0.5 % output accuracy over −25 °C to +70 °C ambient due to low rdif and predictable TC. |
Use Scenario: Regulating unregulated 9 V DC output from transformer-rectifier-capacitor stage in DIN-rail mounted PLC power modules. IC Role / Device Role / Timing Role: Primary shunt regulator establishing stable 6.8 V reference for error amplifier feedback network. Use Value: Delivers 1.3 W continuous dissipation capability without thermal runaway, enabling compact board layout. |
| Overvoltage Protection for Analog I/O | Microcontroller Reset Circuit Clamping |
|
Use Scenario: Protecting 3.3 V ADC inputs against accidental 12 V miswiring in industrial HMI front panels. IC Role / Device Role / Timing Role: Fast-acting clamp limiting input voltage to 7.2 V (VZ(max)) before damage threshold of downstream IC. Use Value: 60 W non-repetitive surge rating absorbs 100 µs transients without degradation, verified per IEC 61000-4-5. |
Use Scenario: Holding microcontroller reset pin at defined logic-low until clean 3.3 V supply ramps during cold start. IC Role / Device Role / Timing Role: Zener-based RC delay element generating reset pulse width via controlled discharge through 6.8 V breakdown. Use Value: Tight ±5 % tolerance ensures consistent reset timing across production batches without calibration. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar Zener regulation applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| 1N4734A | Same 6.8 V nominal, but ±5 % tolerance achieved via tighter binning; higher rdif (5 Ω typ) and lower PZSM (40 W) | Limited surge resilience in high-energy transient environments; less suitable for industrial I/O protection | Select when cost sensitivity outweighs surge margin and thermal performance is secondary |
| BZX55-C6V8 | Same 6.8 V rating but lower Ptot (500 mW), higher rdif (10 Ω), and no specified 60 W surge rating | Restricted to low-power signal-level regulation only; not rated for power-supply reference use | Choose only for space-constrained signal-path clamping where <0.5 W dissipation suffices |
Compared with 1N4734A and BZX55-C6V8, BZV85-C6V8,133 offers superior thermal robustness (1.3 W vs ≤0.5 W), lower dynamic impedance (3.5 Ω vs ≥5 Ω), and verified 60 W surge capability-making it the preferred choice for industrial-grade power and protection functions requiring long-term stability and transient immunity.
Availability
BZV85-C6V8,133 is available at Aetrix Electronics and suitable for industrial sensor interfaces, legacy linear power supplies, analog I/O protection, and microcontroller reset circuits requiring stable component supply with full traceability and long-lifecycle support.
Supply support for BZV85-C6V8,133 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 semiconductor expert delivering high-performance, reliable discrete, logic, and MOSFET devices optimized for efficiency and miniaturization in automotive, industrial, and consumer applications.
The BZV85 series belongs to Nexperia's precision Zener diode product line, engineered specifically for stable voltage reference and shunt regulation in harsh-environment power systems where hermetic sealing and thermal resilience are critical.
FAQ
What is the maximum continuous forward current for BZV85-C6V8,133?
The device is not intended for forward conduction; its absolute maximum forward current is 500 mA per IEC 60134 limiting values, but forward voltage is only specified at 50 mA (≤1 V). Continuous forward bias risks thermal instability and should be avoided in design.
Can BZV85-C6V8,133 replace BZX85-C6V8 in existing designs?
Yes-both share identical 6.8 V nominal voltage, ±5 % tolerance, SOD66 package, and cathode band marking. BZV85-C6V8,133 offers higher total power (1.3 W vs 1.0 W) and verified 60 W surge rating, making it a performance upgrade without layout changes.
How does thermal resistance affect PCB layout for this Zener?
With Rth(j-t) = 110 K/W (lead length 4 mm), each 1 cm² copper pour per lead reduces junction temperature rise by ~110 °C/W × power. For 1 W dissipation, 1 cm² copper keeps ΔT ≈ 110 °C-so thermal relief must include adequate copper area and avoid narrow traces near leads.
Is the 6.8 V Zener voltage guaranteed at all operating currents?
No-the 6.8 V nominal is specified at IZ = 4 mA. At lower currents (e.g., 1 mA), voltage drops to ~6.5 V; at higher currents (e.g., 20 mA), it rises to ~7.0 V due to rdif and TC effects. Designers must operate near IZ = 4 mA for rated accuracy.
BZV85-C6V8,133 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Nexperia USA Inc.
- Series:
- -
- Package/Case:
- DO-204AL, DO-41, Axial
- Packaging:
- Cut Tape (CT)
- Product Status:
- Active
- Voltage - Zener (Nom) (Vz):
- 6.8 V
- Tolerance:
- ±5%
- Power - Max:
- 1.3 W
- Impedance (Max) (Zzt):
- 3.5 Ohms
- Current - Reverse Leakage @ Vr:
- 2 µA @ 4 V
- Voltage - Forward (Vf) (Max) @ If:
- 1 V @ 50 mA
- Operating Temperature:
- -65°C ~ 200°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Through Hole
- Supplier Device Package:
- DO-41
BZV85-C6V8,133 FAQ
1.How can I place an order for BZV85-C6V8,133 through Aetrix?
Please submit a Request for Quotation (RFQ) for BZV85-C6V8,133 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 BZV85-C6V8,133 reliable?
The price and inventory of BZV85-C6V8,133 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for BZV85-C6V8,133 is usually 5 days.
3.What payment methods are accepted for BZV85-C6V8,133?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for BZV85-C6V8,133 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for BZV85-C6V8,133?
BZV85-C6V8,133 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your BZV85-C6V8,133 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 BZV85-C6V8,133?
For technical support, including BZV85-C6V8,133 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your BZV85-C6V8,133 requirements.
6.How does Aetrix verify that BZV85-C6V8,133 is sourced from the original manufacturer or authorized distributors?
All BZV85-C6V8,133 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 BZV85-C6V8,133 meets industry standards.
7.What is the process for return or replacement of BZV85-C6V8,133?
All BZV85-C6V8,133 units undergo pre-shipment inspection (PSI). If there is an issue with BZV85-C6V8,133, 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 BZV85-C6V8,133 part is unused and in its original packaging.
Return procedure for BZV85-C6V8,133:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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