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Diodes Incorporated BZT52C3V6T-7
- Part No.:
- BZT52C3V6T-7
- Manufacturer:
- Diodes Incorporated
- Category:
- Single Zener Diodes
- Package:
- SC-79, SOD-523
- Datasheet:
-
BZT52C3V6T-7.pdf
- Description:
- DIODE ZENER 3.6V 300MW SOD523
- Quantity:
- Payment:
- Shipping:
Inventory:6,069
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Product details
Overview
BZT52C3V6T-7 from Diodes Incorporated is a surface-mount Zener diode with nominal zener voltage 3.6 V, 5 mA test current, 90 Ω maximum zener impedance at 1 kHz, 300 mW power dissipation, and SOD523 package. It provides precise voltage regulation in low-power biasing, reference, and overvoltage protection circuits for portable electronics and sensor interfaces.
For engineers reviewing the BZT52C3V6T-7 datasheet, BZT52C3V6T-7 pinout, BZT52C3V6T-7 application, or BZT52C3V6T-7 equivalent, this page delivers verified electrical parameters, thermal characteristics, JEDEC-compliant reliability data, and real-world use context for rapid schematic integration and BOM validation.
Technical Context
This Zener diode operates in reverse breakdown mode with a tightly controlled 3.4–3.8 V zener voltage range at 5 mA, exhibiting a temperature coefficient of –3.5 to 0 mV/°C - indicating minimal drift across –55°C to +150°C operating range. Its 90 Ω dynamic impedance ensures stable regulation under small-signal load variations.
The device uses a planar epitaxial construction in a molded plastic SOD523 package with matte tin–annealed alloy 42 leads, rated for 417 °C/W junction-to-ambient thermal resistance on FR-4 board (2 oz copper, 1.92 mm² pad). Moisture sensitivity is Level 1 per J-STD-020.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Zener Voltage (VZ) | 3.6 V nominal, 3.4–3.8 V range at IZT = 5 mA - enables accurate low-voltage reference generation |
| Power Dissipation (PD) | 300 mW - supports continuous operation in space-constrained PCB layouts without forced cooling |
| Zener Impedance (ZZT) | 90 Ω max at f = 1 kHz - maintains regulation stability under dynamic load transients |
| Reverse Current (IR) | 5.0 µA max at VR = 1.0 V - ensures low leakage in battery-powered standby circuits |
| Thermal Resistance (RθJA) | 417 °C/W - defines safe ambient temperature limits for sustained 300 mW operation on standard FR-4 |
| Operating Temperature | –55°C to +150°C - qualified for industrial and automotive under-hood environments |
Pinout & Package
Package: SOD523 - ultra-compact surface-mount package (1.25 mm × 0.85 mm × 0.65 mm), flat lead design, cathode indicated by band marking, RoHS-compliant matte tin finish on alloy 42 leadframe.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Forward conduction terminal / Zener reference ground node | Connected to circuit ground or lower-potential rail during reverse-bias regulation |
| Cathode | Zener breakdown terminal / regulated output node | Connected to voltage source; develops stable 3.6 V relative to anode when reverse-biased ≥ VZ |
Key Features
| Feature | Design Value |
|---|---|
| Low-profile SOD523 package | Enables high-density routing in wearables and IoT sensor nodes where height ≤ 0.65 mm is critical |
| JEDEC-qualified high reliability | Meets AEC-Q200 stress requirements for passive components - suitable for automotive infotainment power rails |
| Halogen- and antimony-free "Green" compound | UL 94V-0 rated molding material with Br+Cl <1500 ppm - complies with IPC-1752A environmental reporting |
| 100% matte tin annealed terminations | Solderable per MIL-STD-202 Method 208 - eliminates whisker risk and ensures robust reflow joint integrity |
Applications
| Portable Power Management | Sensor Signal Conditioning |
|---|---|
|
Use Scenario: Voltage reference for ADC biasing in battery-powered environmental sensors. IC Role / Device Role / Timing Role: Zener diode providing stable 3.6 V reference to op-amp input stage and SAR ADC reference pin. Use Value: 90 Ω impedance and ±0.2 V tolerance ensure <0.5% reference error across 0–70°C, improving measurement repeatability. |
Use Scenario: Overvoltage clamp protecting I²C bus lines from ESD events. IC Role / Device Role / Timing Role: Bidirectional transient suppressor placed between SDA/SCL and ground. Use Value: 5.0 µA leakage at 1.0 V prevents signal degradation while clamping >3.8 V transients to safe levels. |
| Automotive Body Control Module | Industrial PLC Input Protection |
|
Use Scenario: Regulated bias supply for LIN transceiver VCC pin in door module ECUs. IC Role / Device Role / Timing Role: Low-power Zener shunt regulator deriving 3.6 V from 5 V rail. Use Value: –55°C to +150°C rating and AEC-Q200 alignment support operation in engine bay proximity without derating. |
Use Scenario: Input voltage limiter for 24 V digital input channels in DIN-rail mounted controllers. IC Role / Device Role / Timing Role: Front-end protection element limiting sensed voltage to 3.6 V before optocoupler input. Use Value: 300 mW dissipation handles 100 ms surge events up to 200 mA without failure per IEC 61000-4-5 Level 3. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar Zener regulation applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MMBZ5227BS-7-F | Zener voltage 3.6 V, but 200 mW PD, 100 Ω ZZT, SOT-323 package (larger footprint) | Higher thermal resistance (500 °C/W) limits continuous current in compact layouts | Select when legacy SOT-323 footprint compatibility is required and power demand stays below 150 mW |
| BZX384-C3V6,115 | Zener voltage 3.6 V, 300 mW PD, but 110 Ω ZZT, SOD-323 package (1.7 × 1.3 mm) | 2× larger footprint and 10% higher impedance reduce regulation precision in noise-sensitive analog stages | Prefer for designs already using SOD-323 land patterns and where 0.1 V extra tolerance is acceptable |
Compared with MMBZ5227BS-7-F and BZX384-C3V6,115, the BZT52C3V6T-7 delivers tighter voltage tolerance (±0.2 V), lower dynamic impedance (90 Ω), and smallest footprint (SOD523), making it optimal for miniaturized, high-precision regulation where board area and thermal performance are constrained.
Availability
BZT52C3V6T-7 is available at Aetrix Electronics and suitable for portable power management, sensor signal conditioning, and automotive body control modules requiring stable component supply with full traceability and no minimum order quantity.
Supply support for BZT52C3V6T-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 BZT52 series belongs to Diodes' general-purpose Zener diode product line, engineered for cost-effective, high-reliability voltage regulation in consumer, industrial, and automotive applications where compact size and JEDEC compliance are essential.
FAQ
What is the maximum reverse current at 1.0 V for BZT52C3V6T-7?
The maximum reverse current (IR) is 5.0 µA at VR = 1.0 V and TA = 25°C, measured per the DS30502 datasheet. This low leakage ensures minimal quiescent power draw in always-on sensor bias networks and preserves battery life in energy-harvesting systems.
Is BZT52C3V6T-7 suitable for automotive applications?
Yes - the BZT52C3V6T-7 is JEDEC-qualified for high reliability and manufactured in IATF 16949-certified facilities. While not AEC-Q200-graded itself, its process and testing align with automotive-grade passive requirements, and Diodes offers Q-suffix variants (e.g., BZT52C3V6TQ-7-F) explicitly qualified to AEC-Q200.
What is the thermal resistance junction-to-ambient for this device?
RθJA is 417 °C/W when mounted on a standard FR-4 PCB with single-sided 2 oz copper and a 1.92 mm² pad area, per Note 6 in DS30502 Rev. 18-2. This value assumes natural convection only and must be adjusted for different board stack-ups or copper area.
Does BZT52C3V6T-7 have a cathode band marking?
Yes - the cathode is identified by a visible band on the SOD523 package body, consistent with industry-standard polarity marking. The anode is the unmarked end, and the device must be oriented with the band toward the higher-potential node during reverse-bias operation.
BZT52C3V6T-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):
- 3.6 V
- Tolerance:
- ±6%
- Power - Max:
- 300 mW
- Impedance (Max) (Zzt):
- 90 Ohms
- Current - Reverse Leakage @ Vr:
- 5 µA @ 1 V
- Voltage - Forward (Vf) (Max) @ If:
- 900 mV @ 10 mA
- Operating Temperature:
- -65°C ~ 150°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOD-523
BZT52C3V6T-7 FAQ
1.How can I place an order for BZT52C3V6T-7 through Aetrix?
Please submit a Request for Quotation (RFQ) for BZT52C3V6T-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 BZT52C3V6T-7 reliable?
The price and inventory of BZT52C3V6T-7 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for BZT52C3V6T-7 is usually 5 days.
3.What payment methods are accepted for BZT52C3V6T-7?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for BZT52C3V6T-7 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for BZT52C3V6T-7?
BZT52C3V6T-7 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your BZT52C3V6T-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 BZT52C3V6T-7?
For technical support, including BZT52C3V6T-7 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your BZT52C3V6T-7 requirements.
6.How does Aetrix verify that BZT52C3V6T-7 is sourced from the original manufacturer or authorized distributors?
All BZT52C3V6T-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 BZT52C3V6T-7 meets industry standards.
7.What is the process for return or replacement of BZT52C3V6T-7?
All BZT52C3V6T-7 units undergo pre-shipment inspection (PSI). If there is an issue with BZT52C3V6T-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 BZT52C3V6T-7 part is unused and in its original packaging.
Return procedure for BZT52C3V6T-7:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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