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Diodes Incorporated BZT585B5V6TQ-7
- Part No.:
- BZT585B5V6TQ-7
- Manufacturer:
- Diodes Incorporated
- Category:
- Single Zener Diodes
- Package:
- SC-79, SOD-523
- Datasheet:
-
BZT585B5V6TQ-7.pdf
- Description:
- DIODE ZENER 5.6V 350MW SOD523
- Quantity:
- Payment:
- Shipping:
Inventory:1,508
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Product details
Overview
BZT585B5V6TQ-7 from Diodes Incorporated is a precision Zener diode in SOD523 package, designed for voltage regulation and reference applications with ±2.0% breakdown voltage tolerance, 5.6 V nominal Zener voltage at 5 mA test current, 40 Ω dynamic impedance at 5 mA, and AEC-Q101 qualification for automotive use.
For engineers reviewing the BZT585B5V6TQ-7 datasheet, BZT585B5V6TQ-7 pinout, BZT585B5V6TQ-7 application, or BZT585B5V6TQ-7 equivalent, key selection criteria include Zener voltage accuracy, low thermal resistance (357 °C/W), temperature coefficient (+1.0 mV/°C), reverse leakage (<1 µA at 2 V), and automotive-grade reliability under IATF16949 manufacturing.
Technical Context
This Zener diode operates in reverse-biased breakdown mode to maintain stable reference voltage across varying load and temperature conditions. Its 5.6 V nominal Zener voltage is specified at 5 mA test current, with tight ±2.0% tolerance and low 40 Ω dynamic impedance ensuring minimal regulation error under dynamic current changes.
The device features a +1.0 mV/°C temperature coefficient near 5.6 V, enabling predictable voltage drift over temperature, and exhibits 275 pF junction capacitance at 0 V bias - critical for high-frequency noise suppression and filtering in power rail stabilization circuits.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Zener Voltage (VZ) | 5.6 V nominal, 5.49–5.71 V range at 5 mA - ensures precise voltage clamping in feedback loops and reference rails. |
| Zener Impedance (ZZT) | 40 Ω at 5 mA - minimizes output voltage variation under load transients in regulator circuits. |
| Power Dissipation (PD) | 350 mW - supports continuous operation in compact PCB layouts with standard FR-4 thermal pad design. |
| Temperature Coefficient | +1.0 mV/°C at 5 mA - enables predictable, low-drift voltage reference behavior from –65°C to +150°C. |
| Reverse Leakage (IR) | ≤1 µA at 2 V reverse bias - guarantees low quiescent current in battery-powered sensing and monitoring systems. |
| Junction Capacitance (CT) | 275 pF at 1 MHz, 0 V - suitable for decoupling and EMI suppression in low-noise analog supply domains. |
Pinout & Package
Package: SOD523 - ultra-small, low-profile surface-mount plastic case (0.55–0.65 mm height, 0.75–0.85 mm length), rated for 350 mW power dissipation and compliant with J-STD-020 moisture sensitivity Level 1.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Forward conduction terminal | Connected to lower-potential node in reverse-bias regulation; forms cathode-anode junction for Zener breakdown. |
| Cathode | Reverse-bias terminal | Marked with band; connected to higher-potential node to enable controlled avalanche breakdown at 5.6 V. |
Key Features
| Feature | Design Value |
|---|---|
| ±2.0% Zener voltage tolerance | Enables direct replacement in precision reference designs without recalibration or trimming. |
| AEC-Q101 qualified | Validated for automotive power management, infotainment, and ADAS subsystems requiring change-controlled manufacturing. |
| SOD523 package with matte tin finish | Ensures reliable solderability per MIL-STD-202 and compatibility with lead-free reflow profiles. |
| Halogen- and antimony-free "Green" construction | Meets RoHS 3 (2015/863/EU) and automotive environmental compliance requirements. |
Applications
| Automotive Body Control Module (BCM) | Industrial Sensor Signal Conditioning |
|---|---|
Use Scenario: Regulating 5.6 V reference for microcontroller ADC inputs and CAN transceiver biasing in BCM power domains. IC Role / Device Role / Timing Role: Precision voltage clamp and reference source stabilizing analog front-end supplies. Use Value: Maintains ADC accuracy within ±0.5 LSB over temperature due to tight Zener tolerance and low TC. | Use Scenario: Providing stable 5.6 V reference for bridge sensor excitation and instrumentation amplifier biasing in factory-floor pressure sensors. IC Role / Device Role / Timing Role: Low-drift voltage reference enabling <10 ppm/°C system-level measurement stability. Use Value: Reduces calibration frequency by 4× compared to ±5% Zeners, lowering maintenance cost in deployed equipment. |
| USB-C Power Delivery Monitor | Medical Wearable Battery Management |
Use Scenario: Clamping VBUS monitor node during transient overvoltage events in USB-C PD port protection circuits. IC Role / Device Role / Timing Role: Fast-response overvoltage clamp protecting downstream PD controller ICs. Use Value: Limits peak voltage to ≤5.9 V during 100 ns transients, preventing false fault triggering in PD policy engines. | Use Scenario: Generating stable bias for low-power op-amps in ECG front-end amplifiers powered by coin-cell batteries. IC Role / Device Role / Timing Role: Ultra-low-leakage (≤1 µA) voltage reference preserving battery life in always-on monitoring. Use Value: Extends single-CR2032 battery runtime by >12 months versus higher-leakage alternatives. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar Zener diode voltage regulation applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MMSZ5232BT1G | 5.6 V nominal, ±5% tolerance, 150 Ω ZZT, SOD-123 package (larger footprint, higher RθJA = 500 °C/W) | General-purpose industrial use; not AEC-Q101 qualified | Select when cost priority outweighs automotive qualification and tighter regulation performance. |
| BZX84-C5V6 | 5.6 V nominal, ±5% tolerance, 60 Ω ZZT, SOT-23 package (3-pin, anode/cathode/common configuration) | Requires PCB layout redesign; lacks automotive qualification and green material compliance | Choose only if existing SOT-23 footprint reuse is mandatory and AEC-Q101 is not required. |
Compared with MMSZ5232BT1G and BZX84-C5V6, BZT585B5V6TQ-7 delivers superior voltage accuracy, lower dynamic impedance, and guaranteed automotive qualification - making it the preferred choice where regulation stability, space constraints, and supply-chain compliance are critical.
Availability
BZT585B5V6TQ-7 is available at Aetrix Electronics and suitable for automotive body control modules, industrial sensor signal conditioning, and USB-C power delivery monitor circuits requiring stable component supply with full traceability and long-term lifecycle support.
Supply support for BZT585B5V6TQ-7 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
Diodes Incorporated is a global manufacturer of discrete semiconductors and analog ICs, headquartered in Plano, Texas, with design, manufacturing, and sales operations across Asia, Europe, and North America.
The BZT585 series belongs to Diodes' AEC-Q101-qualified Zener diode product line, engineered specifically for automotive and industrial voltage reference and regulation applications demanding high reliability, tight tolerances, and green material compliance.
FAQ
What is the maximum reverse voltage this Zener diode can withstand before breakdown?
The BZT585B5V6TQ-7 has a nominal Zener voltage of 5.6 V at 5 mA test current, with a guaranteed breakdown range of 5.49 V to 5.71 V. It is not rated for sustained operation above its specified Zener voltage - applying >5.71 V continuously will cause regulated conduction, and exceeding its 350 mW power limit risks thermal failure.
Is this part suitable for use in a high-reliability medical device?
While BZT585B5V6TQ-7 is AEC-Q101 qualified and manufactured in IATF16949-certified facilities, it is not specifically certified for medical applications. Its use in medical devices requires full system-level validation per ISO 13485 and IEC 60601-1, particularly for safety-critical functions like patient-connected power rails.
Does this Zener diode require a heatsink in typical PCB applications?
No heatsink is required. With a thermal resistance of 357 °C/W on standard FR-4 PCB using the recommended pad layout, the device stays within safe junction temperature limits (<150°C) at ≤350 mW dissipation - well within its 200 mA forward current and 5 mA Zener test current operating envelope.
Can this part replace older BZT52 series Zeners in existing designs?
Direct replacement is not recommended due to package and electrical differences: BZT585B5V6TQ-7 uses SOD523 (0.85 mm length), while BZT52-B5V6 uses SOD-123 (3.7 mm length). Layout redesign is required. Electrical parameters differ too - BZT585 offers ±2.0% tolerance vs. ±5% for BZT52, and lower ZZT (40 Ω vs. ~100 Ω).
BZT585B5V6TQ-7 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Diodes Incorporated
- Series:
- -
- Package/Case:
- SC-79, SOD-523
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Voltage - Zener (Nom) (Vz):
- 5.6 V
- Tolerance:
- ±2%
- Power - Max:
- 350 mW
- Impedance (Max) (Zzt):
- 40 Ohms
- Current - Reverse Leakage @ Vr:
- 1 µA @ 2 V
- Voltage - Forward (Vf) (Max) @ If:
- 1.1 V @ 100 mA
- Operating Temperature:
- -65°C ~ 150°C (TJ)
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOD-523
BZT585B5V6TQ-7 FAQ
1.How can I place an order for BZT585B5V6TQ-7 through Aetrix?
Please submit a Request for Quotation (RFQ) for BZT585B5V6TQ-7 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 BZT585B5V6TQ-7 reliable?
The price and inventory of BZT585B5V6TQ-7 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for BZT585B5V6TQ-7 is usually 5 days.
3.What payment methods are accepted for BZT585B5V6TQ-7?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for BZT585B5V6TQ-7 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for BZT585B5V6TQ-7?
BZT585B5V6TQ-7 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your BZT585B5V6TQ-7 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 BZT585B5V6TQ-7?
For technical support, including BZT585B5V6TQ-7 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your BZT585B5V6TQ-7 requirements.
6.How does Aetrix verify that BZT585B5V6TQ-7 is sourced from the original manufacturer or authorized distributors?
All BZT585B5V6TQ-7 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 BZT585B5V6TQ-7 meets industry standards.
7.What is the process for return or replacement of BZT585B5V6TQ-7?
All BZT585B5V6TQ-7 units undergo pre-shipment inspection (PSI). If there is an issue with BZT585B5V6TQ-7, 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 BZT585B5V6TQ-7 part is unused and in its original packaging.
Return procedure for BZT585B5V6TQ-7:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
BZT585B5V6TQ-7 Tags
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