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Nexperia USA Inc. BZX585-C13,115
- Part No.:
- BZX585-C13,115
- Manufacturer:
- Nexperia USA Inc.
- Category:
- Single Zener Diodes
- Package:
- SC-79, SOD-523
- Datasheet:
-
BZX585-C13,115.pdf
- Description:
- DIODE ZENER 13V 300MW SOD523
- Quantity:
- Payment:
- Shipping:
Inventory:4,000
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Product details
Overview
BZX585-C13,115 from Nexperia is a ±5 % tolerance Zener diode in SOD523 (SC-79) package, rated for 13 V nominal regulation at 5 mA, with 300 mW total power dissipation and 40 W non-repetitive peak reverse power capability. It delivers low differential resistance (≤170 Ω at IZ = 5 mA) and operates across −65 °C to +150 °C junction temperature, serving as a precision voltage reference in space-constrained power rail monitoring circuits.
For engineers reviewing the BZX585-C13,115 datasheet, BZX585-C13,115 pinout, BZX585-C13,115 application, or BZX585-C13,115 equivalent, this device supports low-current voltage clamping, overvoltage protection in portable battery management, and stable biasing in analog sensor signal conditioning where ultra-small footprint and tight voltage tolerance are critical.
Technical Context
This Zener diode operates in reverse breakdown mode with a nominal Zener voltage of 13 V at 5 mA test current, exhibiting a temperature coefficient of +7.0 to +11.0 mV/K and reverse current ≤0.1 µA at 10.4 V. Its low thermal resistance (65 K/W junction-to-solder point) enables reliable operation under transient surge conditions up to 100 µs.
The device uses planar epitaxial silicon construction with cathode-marked SOD523 packaging, supporting reflow soldering per JEDEC J-STD-020. Its differential resistance remains stable below 170 Ω at 5 mA, ensuring minimal output voltage variation under load changes typical in low-power reference applications.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Zener Voltage (VZ) | 12.35 V to 13.65 V at IZ = 5 mA - defines regulated output range for precision biasing |
| Tolerance | ±5 % - ensures predictable voltage setpoint without post-production trimming |
| Total Power Dissipation | 300 mW at Tamb = 25 °C on FR4 PCB with 35 mm² copper - sets continuous DC load limit |
| Non-repetitive Peak Power | 40 W for 100 µs square wave - enables transient overvoltage suppression in ESD-prone interfaces |
| Differential Resistance | ≤170 Ω at IZ = 5 mA - determines output impedance and regulation sensitivity to current shifts |
| Junction Temperature Range | −65 °C to +150 °C - supports operation in automotive under-hood and industrial control environments |
| Reverse Current | ≤0.1 µA at VR = 10.4 V - guarantees low leakage in high-impedance reference nodes |
Pinout & Package
SOD523 (SC-79) ultra-small flat-lead surface-mount package with 2 terminals, 1.25 mm × 0.85 mm body size, 0.65 mm height, and cathode band marking on terminal 1.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | Cathode (K) | Connected to regulated output node; polarity marker aligns with PCB silkscreen bar |
| 2 | Anode (A) | Connected to ground or lower-potential rail; forms reverse-biased junction during regulation |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-compact SOD523 footprint | Enables placement in 1.25 mm × 0.85 mm board area - ideal for wearables and IoT edge sensors |
| ±5 % Zener voltage tolerance | Eliminates need for external trimming resistors in cost-sensitive consumer power monitors |
| Low differential resistance (≤170 Ω) | Maintains <±10 mV output shift across ±1 mA load variation - critical for ADC reference stability |
| 40 W non-repetitive surge rating | Withstands IEC 61000-4-2 Level 4 ESD events without degradation when used with series current limiting |
| −65 °C to +150 °C operating range | Validated for use in industrial PLC I/O modules and automotive cabin electronics without derating |
Applications
| Power Rail Monitoring | ESD Protection Clamp |
|---|---|
|
Use Scenario: Monitoring 12 V automotive accessory rail for undervoltage/overvoltage faults in infotainment head units. IC Role / Device Role / Timing Role: Zener diode provides fixed 13 V reference to comparator input, triggering fault flag when rail exceeds ±10 %. Use Value: Tight ±5 % tolerance ensures detection threshold accuracy within 0.65 V, avoiding false alarms during cold-crank transients. |
Use Scenario: Protecting USB data lines against electrostatic discharge in portable medical devices. IC Role / Device Role / Timing Role: Placed between D+ and ground to clamp ESD pulses above 13 V before reaching PHY IC. Use Value: 40 W non-repetitive peak power rating absorbs 8 kV contact discharge energy without failure when paired with 100 Ω series impedance. |
| Low-Power Sensor Biasing | Reference Voltage Generator |
|
Use Scenario: Supplying stable bias to MEMS pressure sensor bridge in battery-powered environmental monitors. IC Role / Device Role / Timing Role: Regulates excitation voltage to sensor bridge, minimizing drift caused by supply variation. Use Value: 170 Ω differential resistance limits output shift to <0.17 mV per 1 µA bridge current change - preserving 12-bit measurement linearity. |
Use Scenario: Generating precise 13 V reference for analog front-end calibration in handheld test equipment. IC Role / Device Role / Timing Role: Serves as primary shunt reference in op-amp-based voltage follower circuit. Use Value: Temperature coefficient of +7.0 to +11.0 mV/K allows predictable drift compensation in firmware, enabling <±0.5 % full-scale accuracy over 0–70 °C. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar Zener regulation applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| BZX585-B13,115 | ±2 % tolerance vs. ±5 %; otherwise identical ZV, Ptot, and package | Required where tighter regulation (±0.26 V) is needed for high-accuracy ADC references | Select BZX585-B13,115 only if system-level calibration budget permits tighter tolerance and cost premium is acceptable |
| MMSZ5243B-7-F | Same 13 V nominal, ±5 %, but SOD-123 package (2.7 mm × 1.4 mm); 500 mW Ptot | Preferred for higher-power designs needing >300 mW dissipation or legacy SOD-123 footprint compatibility | Choose MMSZ5243B-7-F when board layout accommodates larger package or thermal margin requires >300 mW rating |
Compared with BZX585-C13,115, the BZX585-B13,115 offers tighter voltage control at higher cost, while MMSZ5243B-7-F trades miniaturization for greater power handling and legacy compatibility - selection depends strictly on footprint constraints, tolerance budget, and thermal design margin.
Availability
BZX585-C13,115 is available at Aetrix Electronics and suitable for power rail monitoring, ESD protection clamping, low-power sensor biasing, and reference voltage generation requiring stable component supply across high-mix, low-volume production runs.
Supply support for BZX585-C13,115 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 essential efficiency technologies, delivering high-performance, reliable discrete and logic devices for automotive, industrial, and consumer markets.
The BZX585 series belongs to Nexperia's general-purpose Zener diode product line, engineered specifically for compact, cost-effective voltage regulation and transient suppression in space- and power-constrained applications.
FAQ
What is the maximum continuous forward current for BZX585-C13,115?
The absolute maximum forward current is 200 mA, but forward conduction is not its intended operating mode. In normal Zener regulation, the device operates in reverse bias; forward voltage is specified only for characterization (1.1 V at 100 mA pulse), and sustained forward current degrades reliability.
Can BZX585-C13,115 be used in parallel for higher power handling?
No - Zener diodes exhibit manufacturing spread in breakdown voltage, causing current hogging and thermal runaway when paralleled. For higher power, use a single higher-rated Zener or implement active regulation; parallel connection is not recommended or characterized.
How does the temperature coefficient affect regulation accuracy over temperature?
At 13 V nominal, the temperature coefficient ranges from +7.0 to +11.0 mV/K, meaning output voltage increases ~10 mV per °C rise. Over a 100 °C range, this introduces up to ±1.0 V drift - compensated in precision systems via software lookup tables or complementary NTC networks.
Is BZX585-C13,115 suitable for automotive under-hood applications?
While rated for −65 °C to +150 °C junction temperature, this part is not AEC-Q200 qualified. It may be used in non-safety-critical cabin applications (e.g., infotainment power monitoring) but not in engine control, braking, or ADAS subsystems requiring automotive qualification.
BZX585-C13,115 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):
- 13 V
- Tolerance:
- ±5%
- Power - Max:
- 300 mW
- Impedance (Max) (Zzt):
- 10 Ohms
- Current - Reverse Leakage @ Vr:
- 100 µA @ 8 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-C13,115 FAQ
1.How can I place an order for BZX585-C13,115 through Aetrix?
Please submit a Request for Quotation (RFQ) for BZX585-C13,115 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-C13,115 reliable?
The price and inventory of BZX585-C13,115 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for BZX585-C13,115 is usually 5 days.
3.What payment methods are accepted for BZX585-C13,115?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for BZX585-C13,115 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for BZX585-C13,115?
BZX585-C13,115 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your BZX585-C13,115 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-C13,115?
For technical support, including BZX585-C13,115 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your BZX585-C13,115 requirements.
6.How does Aetrix verify that BZX585-C13,115 is sourced from the original manufacturer or authorized distributors?
All BZX585-C13,115 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-C13,115 meets industry standards.
7.What is the process for return or replacement of BZX585-C13,115?
All BZX585-C13,115 units undergo pre-shipment inspection (PSI). If there is an issue with BZX585-C13,115, 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-C13,115 part is unused and in its original packaging.
Return procedure for BZX585-C13,115:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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