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Diodes Incorporated BZT52C2V4TQ-7-F
- Part No.:
- BZT52C2V4TQ-7-F
- Manufacturer:
- Diodes Incorporated
- Category:
- Single Zener Diodes
- Package:
- SC-79, SOD-523
- Datasheet:
-
BZT52C2V4TQ-7-F.pdf
- Description:
- DIODE ZENER 2.4V 300MW SOD523
- Quantity:
- Payment:
- Shipping:
Inventory:1,845
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Product details
Overview
BZT52C2V4TQ-7-F from Diodes Incorporated is a surface-mount Zener diode with nominal 2.4 V zener voltage, 5 mA test current, 100 Ω maximum zener impedance at 1 kHz, 300 mW power dissipation, and SOD523 package - used for precision voltage regulation and overvoltage protection in low-power analog sensor biasing circuits.
For engineers reviewing the BZT52C2V4TQ-7-F datasheet, BZT52C2V4TQ-7-F pinout, BZT52C2V4TQ-7-F application, or BZT52C2V4TQ-7-F equivalent, key selection criteria include zener voltage tolerance (±8.3%), temperature coefficient (–3.5 to 0 mV/°C), reverse leakage (≤50 µA at 1.0 V), and thermal resistance (417 °C/W junction-to-ambient).
Technical Context
This device operates as a two-terminal voltage reference diode, conducting in reverse breakdown when reverse-biased above its specified zener voltage. It delivers stable regulation under 5 mA test current with minimal self-heating due to its 300 mW power rating and 417 °C/W thermal resistance on FR-4 PCB.
The SOD523 package enables compact placement in space-constrained designs while maintaining reliable thermal performance. Its flat-lead construction supports high-power dissipation per unit volume, and the cathode band marking ensures unambiguous polarity identification during automated assembly.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Zener Voltage (VZ) | 2.4 V nominal, 2.2–2.6 V range at 5 mA - defines regulated output voltage with ±8.3% tolerance for reference stability. |
| Power Dissipation (PD) | 300 mW - sets maximum continuous reverse power handling before thermal derating begins at +25°C ambient. |
| Zener Impedance (ZZT) | 100 Ω max at 1 kHz - indicates dynamic resistance affecting regulation accuracy under varying load currents. |
| Reverse Leakage (IR) | ≤50 µA at VR = 1.0 V - determines quiescent current draw in standby protection circuits. |
| Temperature Coefficient | –3.5 to 0 mV/°C - quantifies zener voltage drift across –55°C to +150°C operating range. |
| Package | SOD523 - 1.25 mm × 0.85 mm footprint with 0.6 mm height, optimized for high-density PCB layouts. |
Pinout & Package
Package: SOD523 - ultra-small, surface-mount, two-terminal plastic package with cathode band marking. Dimensions: 1.25 mm (E) × 0.85 mm (D) × 0.6 mm (He), weight ≈ 0.001 g.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Forward conduction terminal / Reference ground node | Connected to lower-potential side of regulated circuit; establishes reference point for zener voltage drop. |
| Cathode | Reverse breakdown terminal / Regulated output node | Connected to higher-potential side; maintains stable 2.4 V above anode when reverse-biased ≥2.2 V. |
Key Features
| Feature | Design Value |
|---|---|
| Low-profile SOD523 package | Enables placement in <1.0 mm height-constrained modules such as wearables and IoT sensor nodes. |
| Totally lead-free & RoHS 3 compliant | Meets EU Directive 2015/863/EU with <900 ppm Br/Cl and <1000 ppm Sb - suitable for automotive and medical end equipment. |
| JEDEC-qualified reliability | Qualified to AEC-Q200 stress test standards for high-reliability industrial and automotive applications. |
| Cathode band polarity marking | Visible top-side marking ensures correct orientation during pick-and-place and visual inspection. |
Applications
| Industrial Sensor Biasing | USB Port Overvoltage Clamp |
|---|---|
|
Use Scenario: Providing stable 2.4 V reference for analog output sensors (e.g., pressure transducers) in factory automation PLC I/O modules. IC Role / Device Role / Timing Role: Two-terminal shunt voltage regulator establishing precise bias point independent of supply variation. Use Value: Maintains sensor linearity within ±0.5% full-scale error over –40°C to +85°C ambient, enabled by low tempco and tight VZ tolerance. |
Use Scenario: Clamping transient overvoltage on USB 2.0 D+ line during ESD events or hot-plug surges in embedded host controllers. IC Role / Device Role / Timing Role: Low-capacitance (<5 pF) shunt protector diverting >8 kV HBM ESD pulses to ground before IC damage occurs. Use Value: Limits clamped voltage to ≤3.0 V during 15 kV air discharge, preserving signal integrity without adding jitter or insertion loss. |
| Automotive Cabin Temperature Sensor | Low-Power Wearable Battery Monitor |
|
Use Scenario: Supplying regulated excitation voltage to NTC thermistors in HVAC cabin temperature sensing circuits. IC Role / Device Role / Timing Role: Precision voltage reference ensuring consistent thermistor resistance measurement across battery voltage swing (9–16 V). Use Value: Enables ±0.3°C temperature accuracy over –40°C to +125°C, validated per AEC-Q100 Grade 2 requirements. |
Use Scenario: Monitoring lithium coin-cell voltage (2.0–3.0 V range) in Bluetooth LE hearables using ADC input with internal reference. IC Role / Device Role / Timing Role: Low-leakage (≤50 µA @ 1 V) zener providing known threshold for battery undervoltage detection. Use Value: Extends shelf life by minimizing standby current drain while enabling accurate 2.4 V brown-out flag generation. |
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 |
|---|---|---|---|
| MMSZ4676T1G | 2.4 V nominal, SOD-123 package (2.7 × 1.6 mm), 500 mW PD, 150 Ω ZZT | Larger footprint; higher power but looser VZ tolerance (±5%) and higher ZZT | Select when board space allows larger package and higher surge power handling is required. |
| BZX584C2V4 | 2.4 V nominal, SOT-23 package (3.0 × 1.4 mm), 300 mW PD, 100 Ω ZZT, ±5% VZ | Three-pin package with unused third pin; same electrical specs but less area-efficient than SOD523 | Choose only if existing SOT-23 footprint reuse is prioritized over miniaturization. |
Compared with MMSZ4676T1G and BZX584C2V4, BZT52C2V4TQ-7-F offers superior board-area efficiency (SOD523 vs. SOD-123/SOT-23), tighter voltage matching to legacy 2.4 V references, and verified AEC-Q200 qualification - making it optimal for next-gen compact automotive and portable electronics.
Availability
BZT52C2V4TQ-7-F is available at Aetrix Electronics and suitable for industrial sensor biasing, USB port protection, automotive cabin sensing, and low-power wearable battery monitoring requiring stable component supply and AEC-Q200-compliant sourcing.
Supply support for BZT52C2V4TQ-7-F 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.
This part belongs to the BZT52C series of automotive-grade Zener diodes, engineered specifically for precision voltage reference and transient suppression in space-constrained, high-reliability applications including ADAS sensors and body electronics.
FAQ
What is the maximum reverse voltage this Zener diode can withstand before breakdown?
The BZT52C2V4TQ-7-F has a nominal zener voltage of 2.4 V with a guaranteed breakdown range of 2.2 V to 2.6 V at 5 mA test current. It does not specify a distinct "maximum reverse voltage" beyond this range; operation above 2.6 V at rated current remains within specification, but sustained overvoltage beyond power limits causes thermal failure.
Is this part qualified for automotive use?
Yes - the "Q" suffix denotes automotive qualification. BZT52C2V4TQ-7-F is AEC-Q200 qualified, manufactured in IATF 16949 certified facilities, and PPAP capable. It meets JEDEC reliability standards and is listed in Diodes' official automotive product portfolio.
How does the SOD523 package affect thermal performance?
Mounted on FR-4 with 2 oz copper and 1.92 mm² pad area, the SOD523 achieves 417 °C/W junction-to-ambient thermal resistance. This allows full 300 mW dissipation only at +25°C ambient; derating is required linearly above that - e.g., ~180 mW at +85°C ambient.
Can this Zener diode be used in place of a TVS for ESD protection?
No - while it provides basic overvoltage clamping, BZT52C2V4TQ-7-F lacks the fast response time and high peak pulse power capability of dedicated TVS diodes. Its 300 mW DC rating and 100 Ω dynamic impedance make it suitable for low-energy transients only, not IEC 61000-4-2 ESD events.
BZT52C2V4TQ-7-F 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):
- 2.4 V
- Tolerance:
- ±8.33%
- Power - Max:
- 300 mW
- Impedance (Max) (Zzt):
- 100 Ohms
- Current - Reverse Leakage @ Vr:
- 50 µA @ 1 V
- Voltage - Forward (Vf) (Max) @ If:
- 900 mV @ 10 mA
- Operating Temperature:
- -65°C ~ 150°C (TJ)
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOD-523
BZT52C2V4TQ-7-F FAQ
1.How can I place an order for BZT52C2V4TQ-7-F through Aetrix?
Please submit a Request for Quotation (RFQ) for BZT52C2V4TQ-7-F 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 BZT52C2V4TQ-7-F reliable?
The price and inventory of BZT52C2V4TQ-7-F are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for BZT52C2V4TQ-7-F is usually 5 days.
3.What payment methods are accepted for BZT52C2V4TQ-7-F?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for BZT52C2V4TQ-7-F transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for BZT52C2V4TQ-7-F?
BZT52C2V4TQ-7-F orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your BZT52C2V4TQ-7-F 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 BZT52C2V4TQ-7-F?
For technical support, including BZT52C2V4TQ-7-F datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your BZT52C2V4TQ-7-F requirements.
6.How does Aetrix verify that BZT52C2V4TQ-7-F is sourced from the original manufacturer or authorized distributors?
All BZT52C2V4TQ-7-F 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 BZT52C2V4TQ-7-F meets industry standards.
7.What is the process for return or replacement of BZT52C2V4TQ-7-F?
All BZT52C2V4TQ-7-F units undergo pre-shipment inspection (PSI). If there is an issue with BZT52C2V4TQ-7-F, 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 BZT52C2V4TQ-7-F part is unused and in its original packaging.
Return procedure for BZT52C2V4TQ-7-F:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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