My Inquiry
My Account
Diodes Incorporated BZT52C2V4-7
- Part No.:
- BZT52C2V4-7
- Manufacturer:
- Diodes Incorporated
- Category:
- Single Zener Diodes
- Package:
- SOD-123
- Datasheet:
-
BZT52C2V4-7.pdf
- Description:
- DIODE ZENER 2.4V 500MW SOD123
- Quantity:
- Payment:
- Shipping:
Inventory:4,287
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
BZT52C2V4-7 from Diodes Incorporated is a surface-mount Zener diode with a nominal zener voltage of 2.4 V, ±8.3% tolerance (2.2–2.6 V), 500 mW power dissipation at TL = +75°C, and 370 mW at TA = +25°C, used for precision voltage regulation and overvoltage protection in low-voltage power rails and signal conditioning circuits.
For engineers reviewing the BZT52C2V4-7 datasheet, BZT52C2V4-7 pinout, BZT52C2V4-7 application, or BZT52C2V4-7 equivalent, key selection criteria include zener voltage accuracy at 5 mA test current, low dynamic impedance (≤100 Ω at IZT), temperature coefficient (−3.5 to 0 mV/°C), and SOD123 package compatibility with automated assembly.
Technical Context
This Zener diode operates in reverse breakdown mode to maintain stable reference voltage under varying load and temperature conditions. Its planar die construction ensures consistent breakdown characteristics and low leakage, with a maximum reverse current of 5 µA at VR = 1.0 V and typical zener impedance of 100 Ω at 1 kHz.
The device is qualified to AEC-Q101 for automotive reliability and features a cathode band polarity marker, matte tin-plated alloy 42 leadframe, and UL 94V-0 molded plastic case - enabling use in harsh environments without derating beyond its specified thermal resistance (RθJA = 338 °C/W on FR-4).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Zener Voltage (VZ) | 2.4 V nominal, 2.2–2.6 V range at IZT = 5 mA - defines regulated output voltage under standard bias |
| Power Dissipation (PD) | 370 mW at TA = +25°C - sets maximum continuous power before thermal shutdown on standard PCB layout |
| Zener Impedance (ZZT) | ≤100 Ω at f = 1 kHz, IZT = 5 mA - determines voltage regulation stability under dynamic load changes |
| Reverse Current (IR) | ≤5 µA at VR = 1.0 V - ensures minimal leakage in standby or high-impedance sensing nodes |
| Temperature Coefficient | −3.5 to 0 mV/°C - quantifies voltage drift across −65°C to +150°C operating range |
| Package | SOD123 - 2-pin surface-mount outline with 2.65 mm body width and 0.57 mm lead pitch for compact board placement |
Pinout & Package
Package: SOD123 - molded plastic case with cathode band marking; dimensions: L = 0.30 mm (lead length), D = 1.55 mm (body width), E = 2.65 mm (body length), weight ≈ 0.010 g.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Forward conduction terminal / Zener cathode reference ground | Connected to lower-potential node; forms reference return path in shunt regulator configuration |
| Cathode | Reverse-biased breakdown terminal / regulated output node | Connected to input rail; clamps voltage to VZ when reverse current exceeds threshold |
Key Features
| Feature | Design Value |
|---|---|
| Planar die construction | Ensures repeatable zener voltage distribution and low parameter drift across production lots |
| AEC-Q101 qualification | Validates reliability for automotive applications including infotainment power supplies and sensor biasing |
| Lead-free & halogen-free | Meets RoHS 2 (2011/65/EU) and JEDEC J-STD-020 Level 1 moisture sensitivity requirements |
| Automated assembly compatibility | SOD123 footprint supports high-speed pick-and-place and reflow soldering without tombstoning |
Applications
| USB Power Rail Protection | Low-Voltage Microcontroller Reset Circuit |
|---|---|
Use Scenario: Clamping 3.3 V USB VBUS line against transient overvoltage during hot-plug events. IC Role / Device Role / Timing Role: Shunt Zener regulator providing fast-response voltage limiting at the input stage of USB interface ICs. Use Value: Prevents latch-up in downstream USB transceivers by holding voltage ≤2.6 V during 100 ns transients, leveraging 5 µA IR at 1 V to minimize quiescent loading. |
Use Scenario: Generating precise 2.4 V reset threshold for 32-bit ARM Cortex-M0+ microcontrollers operating at 1.8 V core voltage. IC Role / Device Role / Timing Role: Reference element in RC-based power-on reset circuit with external pull-up resistor. Use Value: Enables accurate reset assertion within ±0.2 V tolerance across −40°C to +85°C, supported by −3.5 mV/°C TC and 100 Ω ZZT for stable trip point. |
| Industrial Sensor Signal Conditioning | White LED Biasing in Portable Devices |
Use Scenario: Providing stable 2.4 V reference for bridge amplifier offset nulling in strain-gauge pressure sensors. IC Role / Device Role / Timing Role: Low-noise voltage reference source feeding op-amp feedback network. Use Value: Delivers <5 µA leakage and <100 Ω dynamic impedance to suppress 1/f noise contribution and maintain <0.05% gain error over temperature. |
Use Scenario: Current-limiting and voltage-stabilizing element in single-LED flashlight driver using discrete transistor topology. IC Role / Device Role / Timing Role: Series-connected Zener acting as programmable voltage drop to set LED forward current via emitter resistor. Use Value: Enables 20 mA LED drive with ±3% current accuracy across battery discharge (3.0–4.2 V), using 2.4 V VZ to fix base-emitter differential. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar Zener diode applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MMBZ5221BS-7-F | Zener voltage 2.4 V, same SOD123 package, but rated 350 mW PD at TA = +25°C (vs. 370 mW) | Lower power margin limits use in sustained 5 mA bias; identical thermal resistance and leakage | Select when legacy design uses Diodes Inc. MMBZ series and board space is constrained to SOD123 |
| BZX84-C2V4 | Zener voltage 2.4 V, SOT-23 package (3-pin), 350 mW PD, higher RθJA = 375 °C/W | Larger footprint and inferior thermal performance restrict use in high-density layouts or >40°C ambient | Prefer only if existing PCB has SOT-23 pads and no thermal derating margin is required |
Compared with MMBZ5221BS-7-F and BZX84-C2V4, BZT52C2V4-7 offers highest power handling in SOD123, tighter VZ tolerance (±8.3% vs. ±10%), and AEC-Q101 qualification - making it optimal for automotive and industrial designs requiring long-term voltage stability under thermal stress.
Availability
BZT52C2V4-7 is available at Aetrix Electronics and suitable for USB power protection, microcontroller reset circuits, industrial sensor signal conditioning, and portable LED biasing requiring stable component supply and automotive-grade reliability.
Supply support for BZT52C2V4-7 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, specializing in high-reliability components for automotive, industrial, and consumer markets since 1960.
The BZT52C series belongs to Diodes' general-purpose Zener diode product line, designed specifically for cost-sensitive, medium-current voltage regulation and protection in space-constrained surface-mount applications.
FAQ
What is the maximum reverse current specification for BZT52C2V4-7 at 1.0 V?
The maximum reverse current (IR) is 5 µA at VR = 1.0 V and TA = +25°C, per the Electrical Characteristics table. This value remains stable across the full operating temperature range (−65°C to +150°C), confirming suitability for low-leakage bias networks and high-impedance reference paths where standby current must remain below 10 µA.
Can BZT52C2V4-7 be used in automotive applications?
Yes - BZT52C2V4-7 is qualified to AEC-Q101 standards for high-reliability automotive use. It undergoes stress testing including HTOL, temperature cycling, and ESD up to 8 kV HBM, and is supplied in tape-and-reel packaging (3,000 units per reel) with automotive-grade traceability and date coding per JESD-47.
What is the thermal resistance junction-to-ambient for this device?
RθJA is 338 °C/W when mounted on an FR-4 PCB with a 1-inch copper pad layout, as defined in Note 8 of the datasheet. This value assumes standard JEDEC test conditions and directly determines allowable power dissipation: at +75°C lead temperature, max PD = 500 mW; at +25°C ambient, max PD = 370 mW.
How does the temperature coefficient affect regulation accuracy over temperature?
The temperature coefficient ranges from −3.5 to 0 mV/°C, meaning VZ decreases by up to 3.5 mV per degree Celsius rise. Over a 100°C span (e.g., −40°C to +60°C), total drift is ≤350 mV - resulting in ±14.6% deviation from nominal 2.4 V. For precision references, this requires compensation or selection of higher-VZ variants with flatter TC.
BZT52C2V4-7 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Diodes Incorporated
- Series:
- -
- Package/Case:
- SOD-123
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Discontinued at Digi-Key
- Voltage - Zener (Nom) (Vz):
- 2.4 V
- Tolerance:
- ±8%
- Power - Max:
- 500 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
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOD-123
BZT52C2V4-7 FAQ
1.How can I place an order for BZT52C2V4-7 through Aetrix?
Please submit a Request for Quotation (RFQ) for BZT52C2V4-7 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 BZT52C2V4-7 reliable?
The price and inventory of BZT52C2V4-7 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for BZT52C2V4-7 is usually 5 days.
3.What payment methods are accepted for BZT52C2V4-7?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for BZT52C2V4-7 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for BZT52C2V4-7?
BZT52C2V4-7 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your BZT52C2V4-7 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 BZT52C2V4-7?
For technical support, including BZT52C2V4-7 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your BZT52C2V4-7 requirements.
6.How does Aetrix verify that BZT52C2V4-7 is sourced from the original manufacturer or authorized distributors?
All BZT52C2V4-7 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 BZT52C2V4-7 meets industry standards.
7.What is the process for return or replacement of BZT52C2V4-7?
All BZT52C2V4-7 units undergo pre-shipment inspection (PSI). If there is an issue with BZT52C2V4-7, 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 BZT52C2V4-7 part is unused and in its original packaging.
Return procedure for BZT52C2V4-7:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
BZT52C2V4-7 Tags
-
MMBZ5240B-7-F
Diodes Incorporated
-
BZT52C5V6T-7
Diodes Incorporated
-
MMSZ5231B-7-F
Diodes Incorporated
-
BZT52C15-7-F
Diodes Incorporated
-
BZX84C3V3LT1G
onsemi
-
MMSZ5245BS-7-F
Diodes Incorporated
-
MMSZ4682T1G
onsemi
-
BZT52C15S-7-F
Diodes Incorporated
-
MM5Z5V1ST1G
onsemi
-
SMAJ4744A-TP
Micro Commercial Co
-
BZT52C3V6LP-7
Diodes Incorporated
-
SMAZ12-13-F
Diodes Incorporated
Tech Hub
An engineering guide to LED driver operation, constant-current and constant-voltage outputs, linear and switching topologies, dimming, IC selection, calculations, replacement compatibility, and fault c…
Operational amplifier guide covering op amp basics, feedback, ideal vs real op amps, common configurations, buffer circuits, offset, bias current, gain-bandwidth, slew rate, rail-to-rail limits and sel…
Jumper cables guide covering safe connection order, red and black clamp placement, final ground connection, cable gauge, length, clamp quality, copper vs CCA cables, jump starter comparison and battery…
LDO regulator guide covering low dropout voltage, power dissipation, thermal design, PSRR, output noise, capacitor stability, adjustable LDO circuits, LDO vs buck converter and datasheet selection chec…
Conditional Access Module guide covering CAM meaning, CI/CI+ interface, smart card authorization, DVB security workflow, TV and set-top box compatibility, internal electronics, ESD protection, connecto…
Guide to electronic component obsolescence covering EOL risk, PCN/PDN notices, last-time buy planning, replacement options, form-fit-function validation, counterfeit risk and BOM lifecycle management.
18650 battery guide covering lithium-ion cell basics, 3.6V/3.7V voltage, 4.2V charging, mAh and Wh capacity, protected cells, chargers, BMS, series-parallel packs, holders, welding and sourcing checks.…
Hall effect sensor guide covering working principle, linear and digital sensors, Arduino circuits, current sensing, speed detection, automotive applications, A3144 examples, signal filtering and datash…
Product Change Notification guide for electronic components, covering PCN meaning, PCN vs PDN/EOL, common change types, risk levels, form-fit-function review, engineering validation, BOM control, LTB/L…
A practical guide to blend door actuators, covering HVAC function, symptoms, location, AC and heater issues, reset and calibration, replacement cost, electrical diagnosis, compatibility checks, and rep…
