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Nexperia USA Inc. BZX585-C8V2,115
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- Part No.:
- BZX585-C8V2,115
- Manufacturer:
- Nexperia USA Inc.
- Category:
- Single Zener Diodes
- Package:
- SC-79, SOD-523
- Datasheet:
-
BZX585-C8V2,115.pdf
- Description:
- DIODE ZENER 8.2V 300MW SOD523
- Quantity:
- Payment:
- Shipping:
Inventory:6,922
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Product details
Overview
BZX585-C8V2,115 from Nexperia is a surface-mount Zener diode in SOD523 (SC-79) package, rated for 8.2 V nominal Zener voltage at 5 mA, ±5 % tolerance, 300 mW total power dissipation, and 40 W non-repetitive peak reverse power. It serves as a precision voltage reference or overvoltage clamp in low-power analog and digital supply rails.
For engineers reviewing the BZX585-C8V2,115 datasheet, BZX585-C8V2,115 pinout, BZX585-C8V2,115 application, or BZX585-C8V2,115 equivalent, key selection criteria include Zener voltage accuracy, differential resistance (≤80 Ω at IZ = 5 mA), thermal resistance (65 K/W junction-to-solder point), cathode-marked polarity, and SC-79 footprint compatibility with high-density PCB layouts.
Technical Context
This Zener diode operates in reverse breakdown to maintain stable voltage under varying load and temperature conditions. Its 8.2 V nominal Zener voltage is specified at IZ = 5 mA with a typical temperature coefficient of +4.3 mV/K, indicating positive drift above 6 V, and differential resistance of 20 Ω (typ) / 80 Ω (max) at that current.
The device uses silicon planar technology in an ultra-small SOD523 package with cathode-indicating marking bar. It supports pulsed operation up to 40 W for tp = 100 µs and is characterized across −65 °C to +150 °C junction temperature range, with Rth(j-sp) = 65 K/W enabling effective thermal coupling to PCB copper.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Zener Voltage (VZ) | 7.79 V min / 8.61 V max at IZ = 5 mA - defines regulation window for precision biasing |
| Tolerance | ±5 % - enables cost-optimized selection where tighter voltage control is not required |
| Differential Resistance (rdiff) | 20 Ω typ / 80 Ω max at IZ = 5 mA - determines output impedance and load regulation error |
| Total Power Dissipation (Ptot) | 300 mW at Tamb = 25 °C on FR4 with 35 mm² cathode copper - sets continuous DC power limit |
| Non-repetitive Peak Power (PZSM) | 40 W for tp = 100 µs square wave - supports transient surge clamping without failure |
| Forward Voltage (VF) | 1.1 V max at IF = 100 mA - relevant for reverse-polarity protection or series forward use |
| Reverse Current (IR) | 0.7 µA max at VR = 6.2 V - ensures low leakage in standby or high-impedance sensing nodes |
Pinout & Package
SOD523 (SC-79) ultra-small flat-lead surface-mount plastic package: 1.25 mm × 0.85 mm body, 0.65 mm height, cathode marked by bar on top surface. Designed for reflow soldering with recommended footprint per Figure 12.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | Cathode (K) | Connected to regulated output node; marking bar identifies this terminal; carries reverse current during Zener operation |
| 2 | Anode (A) | Connected to ground or lower-potential rail; completes reverse-bias path; must be routed with low thermal resistance for reliability |
Key Features
| Feature | Design Value |
|---|---|
| Low differential resistance | 20 Ω typical at 5 mA - minimizes output voltage shift under load variation |
| Ultra-compact SOD523 package | 1.25 × 0.85 mm footprint - enables placement in space-constrained IoT sensor nodes and wearables |
| Controlled temperature coefficient | +4.3 mV/K typical - predictable positive drift simplifies compensation in temperature-stable references |
| High surge robustness | 40 W non-repetitive peak power - protects downstream circuitry from ESD or inductive kick events |
| Low leakage current | 0.7 µA max at 6.2 V reverse - preserves battery life in always-on monitoring circuits |
Applications
| Power Supply Rail Clamp | Reference Voltage Source |
|---|---|
Use Scenario: Clamping 12 V input rail against transient spikes in industrial control modules. IC Role / Device Role / Timing Role: Zener diode operating in reverse breakdown to shunt excess energy to ground. Use Value: Limits voltage excursions to ≤8.61 V with 40 W surge capability, preventing damage to 10 V-rated microcontrollers. |
Use Scenario: Generating stable 8.2 V reference for ADC biasing in portable medical sensors. IC Role / Device Role / Timing Role: Precision voltage reference providing known potential for analog front-end calibration. Use Value: Delivers ±5 % accuracy and 20 Ω dynamic impedance, reducing measurement uncertainty in 12-bit conversions. |
| Overvoltage Protection | Signal Level Translation |
Use Scenario: Protecting GPIO pins of an ESP32-WROOM-32 module from accidental 12 V misconnection. IC Role / Device Role / Timing Role: Crowbar element conducting when reverse voltage exceeds 8.2 V threshold. Use Value: Activates within nanoseconds, limiting pin voltage to 8.61 V max and dissipating surge energy before IC latch-up. |
Use Scenario: Shifting logic levels between 3.3 V MCU and 5 V peripheral using Zener-based level translator. IC Role / Device Role / Timing Role: Reverse-biased Zener establishing fixed offset between signal domains. Use Value: Provides clean 8.2 V clamp point enabling reliable 3.3 V → 5 V bidirectional translation with minimal propagation delay. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar Zener regulation applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| BZX585-B8V2,115 | ±2 % tolerance (vs. ±5 %); 60 Ω max rdiff (vs. 80 Ω); same VZ range and package | Higher accuracy needed for metrology-grade references; tighter thermal drift spec | Select when voltage stability <±0.16 V is mandatory and cost premium is acceptable |
| MMSZ5231B-7-F | 8.2 V nominal, ±5 %, SOD-123 package (2.7 × 1.4 mm), 500 mW Ptot, 100 Ω rdiff | Larger footprint; higher power rating but poorer regulation due to higher rdiff | Choose when board space allows larger package and higher continuous dissipation is required |
Compared with BZX585-C8V2,115, the BZX585-B8V2,115 offers tighter voltage control at the expense of slightly higher cost, while MMSZ5231B-7-F trades miniaturization for greater thermal margin and relaxed regulation performance.
Availability
BZX585-C8V2,115 is available at Aetrix Electronics and suitable for industrial sensor interfaces, portable medical devices, and IoT edge node power management requiring stable component supply and long-term obsolescence support.
Supply support for BZX585-C8V2,115 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 semiconductor expert focused on high-volume, high-reliability discrete and logic devices, with leadership in automotive-qualified and industrial-grade components.
The BZX585 series belongs to Nexperia's general-purpose Zener diode product line, engineered for compact, cost-effective voltage regulation and protection in consumer, industrial, and computing applications where space and thermal constraints dominate.
FAQ
What is the maximum continuous reverse current for BZX585-C8V2,115?
The maximum continuous reverse current is derived from its 300 mW total power dissipation and 8.2 V Zener voltage, yielding approximately 36.6 mA (300 mW ÷ 8.2 V). This assumes ambient temperature of 25 °C on FR4 with 35 mm² copper at the cathode tab, per datasheet condition.
Does BZX585-C8V2,115 have automotive qualification?
No. The BZX585-C8V2,115 is not automotive-qualified. Nexperia explicitly states in the legal disclaimers that unless otherwise stated in the data sheet, products are non-automotive qualified and not tested to AEC-Q101 or automotive reliability standards.
How is polarity identified on the SOD523 package?
Polarity is indicated by a marking bar on the top surface of the SOD523 package, aligned with Pin 1 (cathode). The cathode terminal connects to the banded end, and the anode is the opposite lead - consistent with standard diode marking convention and confirmed in Table 2 "Pinning information".
Can BZX585-C8V2,115 be used in parallel for higher power handling?
No. Zener diodes exhibit manufacturing variations in VZ and rdiff, causing current imbalance when paralleled. The datasheet does not recommend or characterize parallel operation, and doing so risks thermal runaway in the lower-VZ unit due to unequal current sharing.
BZX585-C8V2,115 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Nexperia USA Inc.
- Series:
- -
- Package/Case:
- SC-79, SOD-523
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Voltage - Zener (Nom) (Vz):
- 8.2 V
- Tolerance:
- ±5%
- Power - Max:
- 300 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:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOD-523
BZX585-C8V2,115 FAQ
1.How can I place an order for BZX585-C8V2,115 through Aetrix?
Please submit a Request for Quotation (RFQ) for BZX585-C8V2,115 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 BZX585-C8V2,115 reliable?
The price and inventory of BZX585-C8V2,115 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for BZX585-C8V2,115 is usually 5 days.
3.What payment methods are accepted for BZX585-C8V2,115?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for BZX585-C8V2,115 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for BZX585-C8V2,115?
BZX585-C8V2,115 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your BZX585-C8V2,115 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 BZX585-C8V2,115?
For technical support, including BZX585-C8V2,115 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your BZX585-C8V2,115 requirements.
6.How does Aetrix verify that BZX585-C8V2,115 is sourced from the original manufacturer or authorized distributors?
All BZX585-C8V2,115 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 BZX585-C8V2,115 meets industry standards.
7.What is the process for return or replacement of BZX585-C8V2,115?
All BZX585-C8V2,115 units undergo pre-shipment inspection (PSI). If there is an issue with BZX585-C8V2,115, 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 BZX585-C8V2,115 part is unused and in its original packaging.
Return procedure for BZX585-C8V2,115:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
BZX585-C8V2,115 Tags
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MMBZ5240B-7-F
Diodes Incorporated
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BZT52C5V6T-7
Diodes Incorporated
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MMSZ5231B-7-F
Diodes Incorporated
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Diodes Incorporated
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onsemi
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MMSZ5245BS-7-F
Diodes Incorporated
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BZT52C15S-7-F
Diodes Incorporated
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MM5Z5V1ST1G
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SMAJ4744A-TP
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BZT52C3V6LP-7
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SMAZ12-13-F
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