Nexperia USA Inc. BZX585-B6V2,115
- Part No.:
- BZX585-B6V2,115
- Manufacturer:
- Nexperia USA Inc.
- Category:
- Single Zener Diodes
- Package:
- SC-79, SOD-523
- Datasheet:
-
BZX585-B6V2,115.pdf
- Description:
- DIODE ZENER 6.2V 300MW SOD523
- Quantity:
- Payment:

- Shipping:

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Product details
Overview
BZX585-B6V2,115 from Nexperia is a 6.2 V ±2 % Zener voltage regulator diode in SOD523 (SC-79) package, rated for 300 mW total power dissipation and 40 W non-repetitive peak reverse power, used for precision voltage reference and overvoltage protection in low-power analog circuits.
For engineers reviewing the BZX585-B6V2,115 datasheet, BZX585-B6V2,115 pinout, BZX585-B6V2,115 application, or BZX585-B6V2,115 equivalent, key selection criteria include Zener voltage tolerance (±2 %), differential resistance (40 Ω at IZ = 5 mA), thermal resistance (65 K/W junction-to-solder point), and ultra-small SMD footprint for space-constrained PCBs.
Technical Context
This Zener diode operates in reverse breakdown to maintain stable 6.2 V regulation across load and line variations, with low dynamic impedance enabling tight voltage control under transient conditions. Its temperature coefficient of +0.4 to +2.2 mV/K at IZ = 5 mA supports predictable drift behavior in ambient temperature ranges from −65 °C to +150 °C.
The device features low reverse leakage (<3.0 µA at VR = 4.0 V), fast response to voltage surges (100 µs pulse width), and compatibility with standard reflow soldering profiles per JEDEC J-STD-020. Its cathode-marked SOD523 package ensures unambiguous polarity during automated placement.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Zener Voltage (VZ) | 6.08 V to 6.32 V at IZ = 5 mA - defines nominal regulation point with ±2 % tolerance for precision biasing |
| Differential Resistance (rdiff) | 40 Ω (typ) at IZ = 5 mA - determines output impedance and load regulation error in shunt regulator designs |
| Total Power Dissipation (Ptot) | 300 mW at Tamb = 25 °C on FR4 PCB with 35 mm² copper - sets continuous DC power handling limit |
| Non-repetitive Peak Reverse Power (PZSM) | 40 W for 100 µs square wave - enables transient overvoltage clamping without failure |
| Forward Voltage (VF) | 1.1 V max at IF = 100 mA - impacts forward conduction loss in dual-direction protection schemes |
| Junction-to-Solder-Point Thermal Resistance (Rth(j-sp)) | 65 K/W - quantifies heat transfer efficiency from die to PCB pad, critical for thermal reliability in compact layouts |
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 indicated by marking bar on top surface.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | Cathode (K) | Connected to regulated output node; reverse-biased terminal where Zener breakdown occurs |
| 2 | Anode (A) | Connected to ground or lower-potential rail; completes current path during regulation |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-compact SMD footprint | SOD523 package (1.25 × 0.85 mm) enables high-density routing in wearables and IoT sensor nodes |
| Low differential resistance | 40 Ω typical at 5 mA improves regulation accuracy under varying load currents |
| Controlled temperature coefficient | +0.4 to +2.2 mV/K allows predictable VZ drift in industrial temperature ranges |
| High surge robustness | 40 W non-repetitive peak power rating supports ESD and lightning-induced transient suppression |
Applications
| Power Supply Reference | Overvoltage Protection |
|---|---|
|
Use Scenario: Providing stable 6.2 V reference for ADC biasing and op-amp feedback networks in battery-powered instrumentation. IC Role / Device Role / Timing Role: Shunt voltage reference maintaining fixed potential despite input ripple and load variation. Use Value: Enables <1 % full-scale error in 12-bit data acquisition systems operating from 7–12 V unregulated rails. |
Use Scenario: Clamping transient spikes on 5 V logic supply lines exposed to inductive switching noise. IC Role / Device Role / Timing Role: Fast-acting crowbar element diverting surge current before downstream IC damage. Use Value: Limits voltage excursion to ≤6.8 V for 100 µs pulses, protecting 5.5 V absolute-maximum-rated microcontrollers. |
| Signal Level Translation | Current Source Biasing |
|
Use Scenario: Generating precise 6.2 V offset for differential sensor outputs interfacing with single-supply amplifiers. IC Role / Device Role / Timing Role: Passive DC level shifter establishing common-mode voltage independent of supply fluctuations. Use Value: Reduces offset drift to <50 µV/°C in bridge amplifier front-ends using matched resistor networks. |
Use Scenario: Setting gate voltage for constant-current LED driver MOSFETs in portable lighting modules. IC Role / Device Role / Timing Role: Stable voltage source defining IDS via Rsource in source-degenerated configuration. Use Value: Maintains ±1.5 % LED current stability across 3.0–4.2 V Li-ion battery discharge range. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar Zener voltage regulation applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MMBZ5234BS-7-F | 6.2 V ±5 % tolerance, 200 mW Ptot, SOT-323 package (2.1 × 1.3 mm) | Larger footprint; higher rdiff (70 Ω) reduces regulation precision | Select when board space permits larger package and ±5 % tolerance suffices |
| BZX384-B6V2 | 6.2 V ±2 %, 300 mW, SOD-323 package (1.7 × 1.25 mm), higher rdiff (60 Ω) | 2.5× larger area than SOD523; less suitable for ultra-dense layouts | Choose when existing design uses SOD-323 land pattern and thermal margin exceeds 65 K/W |
Compared with MMBZ5234BS-7-F and BZX384-B6V2, the BZX585-B6V2,115 delivers tighter voltage tolerance in the smallest available footprint with lowest thermal resistance-making it optimal for miniaturized, thermally constrained regulation tasks where precision and size are co-prioritized.
Availability
BZX585-B6V2,115 is available at Aetrix Electronics and suitable for precision voltage reference, overvoltage protection, and signal-level translation requiring stable component supply in high-volume consumer electronics, industrial sensors, and portable medical devices.
Supply support for BZX585-B6V2,115 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-performance, reliable discrete, logic, and MOSFET devices for automotive, industrial, and consumer markets.
The BZX585 series belongs to Nexperia's general-purpose Zener diode product line, engineered for accurate voltage regulation and transient suppression in space-constrained, cost-sensitive applications.
FAQ
What is the maximum continuous reverse current this Zener can handle?
The BZX585-B6V2,115 has a maximum continuous forward current of 200 mA, but its Zener operation relies on controlled reverse current. At 6.2 V regulation, the maximum steady-state reverse current is limited by power dissipation: IZ(max) = 300 mW / 6.2 V ≈ 48 mA at 25 °C ambient with adequate PCB copper cooling.
How does the temperature coefficient affect long-term voltage stability?
With a specified temperature coefficient of +0.4 to +2.2 mV/K at IZ = 5 mA, the BZX585-B6V2,115 exhibits positive drift-its Zener voltage increases ~1.2 mV per °C rise. Over a −40 °C to +85 °C operating range, this results in a total shift of approximately 150 mV, which must be accounted for in high-accuracy reference designs.
Can this diode be used in bidirectional ESD protection?
No-this is a unidirectional Zener diode optimized for reverse-bias regulation. It lacks symmetric breakdown characteristics required for bidirectional TVS operation. For ESD protection, use purpose-built bidirectional TVS diodes such as PESD5V0S1BA or ESD5Z series with defined clamping voltages in both polarities.
What soldering profile is recommended for the SOD523 package?
Nexperia specifies reflow compatibility with JEDEC J-STD-020 moisture sensitivity level 1. Recommended peak temperature is 260 °C for ≤10 seconds, with ramp-up rate ≤3 °C/s and ramp-down rate ≤6 °C/s. The SOD523 footprint in Figure 12 requires 0.4 mm wide solder lands and 0.5 mm solder resist openings.
BZX585-B6V2,115 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):
- 6.2 V
- Tolerance:
- ±2%
- Power - Max:
- 300 mW
- Impedance (Max) (Zzt):
- 10 Ohms
- Current - Reverse Leakage @ Vr:
- 3 µA @ 4 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-B6V2,115 FAQ
1.How can I place an order for BZX585-B6V2,115 through Aetrix?
Please submit a Request for Quotation (RFQ) for BZX585-B6V2,115 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-B6V2,115 reliable?
The price and inventory of BZX585-B6V2,115 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for BZX585-B6V2,115 is usually 5 days.
3.What payment methods are accepted for BZX585-B6V2,115?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for BZX585-B6V2,115 transactions.
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4.How is shipping managed for BZX585-B6V2,115?
BZX585-B6V2,115 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your BZX585-B6V2,115 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-B6V2,115?
For technical support, including BZX585-B6V2,115 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your BZX585-B6V2,115 requirements.
6.How does Aetrix verify that BZX585-B6V2,115 is sourced from the original manufacturer or authorized distributors?
All BZX585-B6V2,115 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-B6V2,115 meets industry standards.
7.What is the process for return or replacement of BZX585-B6V2,115?
All BZX585-B6V2,115 units undergo pre-shipment inspection (PSI). If there is an issue with BZX585-B6V2,115, 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-B6V2,115 part is unused and in its original packaging.
Return procedure for BZX585-B6V2,115:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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