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Nexperia USA Inc. BZV55-C68,135
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- Part No.:
- BZV55-C68,135
- Manufacturer:
- Nexperia USA Inc.
- Category:
- Single Zener Diodes
- Package:
- DO-213AC, MINI-MELF, SOD-80
- Datasheet:
-
BZV55-C68,135.pdf
- Description:
- DIODE ZENER 68V 500MW LLDS
- Quantity:
- Payment:
- Shipping:
Inventory:7,680
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Product details
Overview
BZV55-C68,135 from Nexperia is a ±5 % tolerance silicon Zener voltage regulator diode in a hermetically sealed SOD80C glass SMD package, rated for 68 V nominal Zener voltage at 2 mA test current, 150 Ω typical differential resistance, and 0.25 A non-repetitive peak reverse current. It delivers stable reference voltage in low-power analog circuits, power supply feedback loops, and overvoltage protection stages.
For engineers reviewing the BZV55-C68,135 datasheet, BZV55-C68,135 pinout, BZV55-C68,135 application, or BZV55-C68,135 equivalent, this page provides verified Zener voltage, thermal resistance, reverse leakage, forward voltage, and package mechanical data - all confirmed from Nexperia's official Rev. 5 product data sheet (2011).
Technical Context
This Zener diode operates in reverse breakdown to maintain a precise DC reference voltage under varying load and temperature conditions. Its 68 V nominal Zener voltage is specified at IZ = 2 mA with ±5 % tolerance, and exhibits a positive temperature coefficient of +90 mV/K at that current.
The device features low dynamic impedance (150 Ω typ. at IZ = 2 mA), enabling effective regulation in low-current bias networks. Its SOD80C package provides hermetic sealing and a thermal resistance of 300 K/W from junction to solder point, supporting reliable operation up to 200 °C storage temperature.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Zener Voltage (VZ) | 64 V min / 72 V max at IZ = 2 mA - defines usable regulation range for precision reference design |
| Differential Resistance (rdiff) | 150 Ω typical at IZ = 2 mA - determines output voltage stability against current variation |
| Temperature Coefficient (SZ) | +90 mV/K at IZ = 2 mA - quantifies voltage drift per degree Celsius in reference circuits |
| Reverse Leakage Current (IR) | 50 nA max at VR = 47.6 V - ensures minimal parasitic current in high-impedance bias networks |
| Total Power Dissipation (Ptot) | 500 mW max at Tamb ≤ 50 °C - sets maximum continuous DC power handling in PCB layout |
| Non-repetitive Peak Reverse Power (PZSM) | 40 W at tp = 100 µs - supports transient overvoltage clamping without failure |
| Thermal Resistance (Rth(j-sp)) | 300 K/W - enables thermal modeling from junction to PCB solder point for reliability analysis |
Pinout & Package
Hermetically sealed glass SOD80C surface-mount package: 3.3–3.7 mm length, 1.45–1.60 mm width, 0.3 mm height; cathode indicated by black band.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | Cathode | Connected to regulated output node; reverse-biased during Zener operation |
| 2 | Anode | Connected to ground or lower-potential rail; completes bias path for breakdown conduction |
Key Features
| Feature | Design Value |
|---|---|
| Hermetic Glass SMD Package | SOD80C construction prevents moisture ingress and ensures long-term parameter stability in humid environments |
| ±5 % Zener Voltage Tolerance | Enables cost-effective selection for non-critical reference applications where tight regulation is not required |
| Low Differential Resistance | 150 Ω typical at 2 mA improves line and load regulation in feedback divider networks |
| High Surge Withstand | 40 W non-repetitive peak power rating allows robust transient suppression in industrial power rails |
| Wide Operating Temperature Range | −65 °C to +200 °C junction/storage range supports deployment in automotive under-hood and industrial control systems |
Applications
| Power Supply Feedback | Overvoltage Protection |
|---|---|
Use Scenario: Regulating output voltage in isolated flyback or buck-derived DC-DC converters via optocoupler-coupled feedback loop. IC Role / Device Role / Timing Role: Provides stable 68 V reference for TL431-like comparator input or direct shunt regulation. Use Value: Maintains ±5 % output accuracy across line/load variations without active compensation circuitry. |
Use Scenario: Clamping surge transients on 48 V telecom or industrial bus lines exposed to lightning-induced spikes. IC Role / Device Role / Timing Role: Acts as passive crowbar element, conducting only when bus exceeds 72 V threshold. Use Value: Absorbs 40 W for 100 µs without degradation, protecting downstream MOSFETs and controllers. |
| Voltage Reference Generator | Signal Level Shifting |
Use Scenario: Generating a stable 68 V bias for high-side gate drivers in three-phase motor inverters. IC Role / Device Role / Timing Role: Supplies fixed reference to bootstrap capacitor charging network or level-shift comparator. Use Value: Enables accurate high-voltage sensing with <150 Ω dynamic impedance limiting error under dynamic load steps. |
Use Scenario: Translating logic-level signals to higher-voltage domains in PLC I/O modules interfacing with 24–72 V field sensors. IC Role / Device Role / Timing Role: Functions as bidirectional level translator using Zener clamp topology. Use Value: Provides 68 V rail clamping with sub-50 nA leakage, preserving signal integrity in high-impedance sensor interfaces. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar Zener voltage regulation applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| BZV55-B68,115 | ±2 % tolerance, 100 Ω rdiff, same SOD80C package | Higher precision reference needed for feedback loops requiring tighter than ±5 % output tolerance | Select when regulation accuracy outweighs cost sensitivity; requires tighter board layout control due to lower rdiff |
| MMBZ5268B,115 | Same 68 V nominal, ±5 %, but SOT-23 package; 170 Ω rdiff; Rth(j-a) = 450 K/W | Space-constrained designs where footprint reduction justifies higher thermal resistance | Choose for dense PCB layouts; derate power by 20 % vs. SOD80C due to inferior thermal performance |
Compared with BZV55-C68,135, the BZV55-B68,115 offers tighter voltage control at higher cost and lower surge margin, while the MMBZ5268B,115 trades thermal efficiency and surge capability for smaller size - making the original optimal for cost-sensitive, thermally demanding 68 V reference roles.
Availability
BZV55-C68,135 is available at Aetrix Electronics and suitable for power supply feedback, overvoltage protection, and voltage reference generator applications requiring stable component supply, consistent parametric performance, and long-lifecycle availability.
Supply support for BZV55-C68,135 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 solutions with focus on efficiency and miniaturization.
BZV55-C68,135 belongs to the BZV55 series of low-power Zener diodes designed for general-purpose voltage regulation and reference functions in space-constrained, cost-sensitive industrial and consumer electronics.
FAQ
What is the maximum continuous Zener current for BZV55-C68,135?
The absolute maximum forward current is 250 mA, but continuous Zener operation is limited by power dissipation. At 500 mW and 68 V, the practical DC Zener current is 7.35 mA. Exceeding this without heatsinking risks junction overheating beyond the 200 °C limit.
Does BZV55-C68,135 require a series resistor in all applications?
Yes - a current-limiting resistor is mandatory to set operating current within the 1–10 mA range for stable regulation. Without it, excessive current causes thermal runaway. For 68 V output with 75 V input, a 1 kΩ resistor limits current to ~7 mA, aligning with typical test conditions.
How does the ±5 % tolerance affect circuit accuracy?
The ±5 % tolerance means VZ ranges from 64 V to 72 V at 2 mA. In feedback applications, this directly translates to ±5 % output voltage error unless trimmed or compensated. It is acceptable for non-critical biasing but insufficient for precision references requiring <1 % drift.
Can BZV55-C68,135 be used in parallel for higher power handling?
No - Zener diodes cannot be reliably paralleled due to mismatched breakdown voltages causing current hogging. Even matched units exhibit thermal runaway. For >500 mW, use a single higher-power Zener or an active shunt regulator instead.
BZV55-C68,135 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Nexperia USA Inc.
- Series:
- -
- Package/Case:
- DO-213AC, MINI-MELF, SOD-80
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Voltage - Zener (Nom) (Vz):
- 68 V
- Tolerance:
- ±5%
- Power - Max:
- 500 mW
- Impedance (Max) (Zzt):
- 240 Ohms
- Current - Reverse Leakage @ Vr:
- 50 nA @ 47.6 V
- Voltage - Forward (Vf) (Max) @ If:
- 900 mV @ 10 mA
- Operating Temperature:
- -65°C ~ 200°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- LLDS; MiniMelf
BZV55-C68,135 FAQ
1.How can I place an order for BZV55-C68,135 through Aetrix?
Please submit a Request for Quotation (RFQ) for BZV55-C68,135 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 BZV55-C68,135 reliable?
The price and inventory of BZV55-C68,135 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for BZV55-C68,135 is usually 5 days.
3.What payment methods are accepted for BZV55-C68,135?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for BZV55-C68,135 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for BZV55-C68,135?
BZV55-C68,135 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your BZV55-C68,135 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 BZV55-C68,135?
For technical support, including BZV55-C68,135 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your BZV55-C68,135 requirements.
6.How does Aetrix verify that BZV55-C68,135 is sourced from the original manufacturer or authorized distributors?
All BZV55-C68,135 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 BZV55-C68,135 meets industry standards.
7.What is the process for return or replacement of BZV55-C68,135?
All BZV55-C68,135 units undergo pre-shipment inspection (PSI). If there is an issue with BZV55-C68,135, 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 BZV55-C68,135 part is unused and in its original packaging.
Return procedure for BZV55-C68,135:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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