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Nexperia USA Inc. BZT5250H-C2V2-QX
- Part No.:
- BZT5250H-C2V2-QX
- Manufacturer:
- Nexperia USA Inc.
- Category:
- Single Zener Diodes
- Package:
- SOD-123F
- Datasheet:
-
BZT5250H-C2V2-QX.pdf
- Description:
- DIODE ZENER 2.2V 375MW SOD123F
- Quantity:
- Payment:
- Shipping:
Inventory:8,821
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Product details
Overview
BZT5250H-C2V2-QX from Nexperia is a low-current Zener diode in SOD123F package, providing precise 2.2 V voltage regulation at 50 µA test current with ±2 % tolerance. It delivers 830 mW total power dissipation, exhibits 210 pF capacitance at 0 V and 1 MHz, and features a temperature coefficient of −3.5 mV/K - optimized for low-bias, battery-powered automotive sensor interfaces.
For engineers reviewing the BZT5250H-C2V2-QX datasheet, BZT5250H-C2V2-QX pinout, BZT5250H-C2V2-QX application, or BZT5250H-C2V2-QX equivalent, this device supports stable reference generation in space-constrained, AEC-Q101-qualified systems where leakage control, thermal resistance (150 K/W to solder point), and fast switching noise reduction are critical selection criteria.
Technical Context
This Zener diode operates in reverse breakdown mode with nominal 2.2 V working voltage (C-series: 2.09–2.31 V) and differential resistance ≤600 Ω at 50 µA. Its intentional minor leakage rise improves switching speed and reduces noise per AN90031, making it suitable for dynamic biasing in automotive microcontroller I/O protection circuits.
Thermal design is enabled by Rth(j-sp) = 150 K/W to cathode solder point and Rth(j-a) = 330 K/W in free air. The device sustains 200 mA forward current and 40 W non-repetitive surge power (100 µs), while maintaining junction temperature ≤150 °C across −55 °C to +150 °C ambient range.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Zener Voltage (VZ) | 2.2 V nominal; min 2.09 V / max 2.31 V at IZ = 50 µA - ensures tight regulation in low-power reference rails |
| Tolerance | ±2 % - enables accurate voltage clamping without post-production trimming in automotive ECUs |
| Power Dissipation (Ptot) | 830 mW at Tamb ≤ 25 °C on FR4 PCB with 1 cm² cathode pad - supports sustained operation in compact under-hood modules |
| Capacitance (Cd) | 210 pF at VR = 0 V, f = 1 MHz - limits high-frequency coupling in signal-line ESD protection networks |
| Forward Voltage (VF) | 0.9 V max at IF = 10 mA - minimizes conduction loss during forward-biased transient suppression |
| Temperature Coefficient (SZ) | −3.5 mV/K - provides predictable, negative drift for compensation in temperature-sensitive analog front-ends |
| Reverse Current (IR) | 1.0 µA max at VR = 2.0 V - ensures ultra-low standby leakage in always-on vehicle subsystems |
Pinout & Package
SOD123F surface-mount plastic package: 2.6 mm × 1.6 mm × 1.1 mm body, flat leads, cathode marked by bar on top surface.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | Cathode (K) | Connected to regulated output node; marking bar identifies this terminal - required for correct polarity in shunt regulation |
| 2 | Anode (A) | Connected to ground or lower-potential rail - completes reverse-bias path enabling Zener breakdown conduction |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualified | Validated for automotive under-hood use including thermal cycling, humidity, and mechanical shock per discrete semiconductor standard |
| Low test current operation | Specified at 50 µA - enables regulation in µA-level bias networks common in battery-backed real-time clocks and wake-up circuits |
| Optimized leakage profile | Intentional minor leakage rise per AN90031 - reduces switching transients and broadband noise in CAN/LIN bus termination references |
| Small SMD footprint | SOD123F package - saves PCB area in dense ADAS domain controllers and body electronics modules |
Applications
| Automotive Door Module Reference | Engine Control Unit (ECU) Sensor Bias |
|---|---|
|
Use Scenario: Providing stable 2.2 V reference for Hall-effect position sensors in power window motor control units. IC Role / Device Role / Timing Role: Shunt voltage regulator establishing precision bias voltage for analog sensor signal conditioning. Use Value: ±2 % tolerance and −3.5 mV/K TC ensure sensor output accuracy remains within 0.5 % over −40 °C to +125 °C operating range. |
Use Scenario: Supplying regulated bias to oxygen sensor heater driver ICs in exhaust gas recirculation (EGR) systems. IC Role / Device Role / Timing Role: Low-leakage Zener clamp protecting feedback node from supply transients during cold cranking. Use Value: 1.0 µA max reverse current at 2.0 V prevents parasitic drain on 12 V battery during vehicle sleep mode. |
| Infotainment System USB Port Protection | Body Control Module (BCM) Wake-Up Circuit |
|
Use Scenario: Clamping D+ line voltage during hot-plug events in rear-seat USB charging ports. IC Role / Device Role / Timing Role: Fast-switching Zener absorbing ESD pulses while maintaining signal integrity below 2.2 V threshold. Use Value: 210 pF capacitance avoids signal degradation on 480 Mbps USB 2.0 data lines. |
Use Scenario: Generating reliable wake-up trigger voltage for BCM microcontrollers during key-fob RF reception. IC Role / Device Role / Timing Role: Low-current Zener establishing reference for comparator input in ultra-low-power wake detection circuitry. Use Value: 50 µA test current enables full functionality with <10 µA quiescent current budget in deep-sleep state. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar Zener regulation applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| BZT52-C2V2,115 | Same SOD123F package and 2.2 V/±2 % spec, but not AEC-Q101 qualified; higher typical leakage (2.0 µA @ 2.0 V) | Limited to non-automotive industrial or consumer applications requiring cost-sensitive, non-qualified Zeners | Select when automotive qualification is unnecessary and leakage >1 µA is acceptable |
| MMSZ5222BT1G | 2.2 V/±5 % tolerance, SOD-123 package, 500 mW Ptot, no intentional leakage optimization or AEC-Q101 validation | Suitable for general-purpose board-level regulation where tighter tolerance and automotive reliability are not required | Choose only for legacy designs or cost-driven replacements where ±5 % tolerance suffices |
Compared with BZT5250H-C2V2-QX, BZT52-C2V2,115 lacks automotive qualification and has higher leakage, while MMSZ5222BT1G trades tolerance and reliability for lower cost - making the QX variant uniquely suited for safety-critical, low-leakage automotive voltage references.
Availability
BZT5250H-C2V2-QX is available at Aetrix Electronics and suitable for automotive door modules, engine control units, infotainment USB protection, and body control module wake-up circuits requiring stable component supply with AEC-Q101 assurance and traceable sourcing.
Supply support for BZT5250H-C2V2-QX 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 mobile markets.
The BZT5250H-Q series belongs to Nexperia's AEC-Q101-qualified Zener diode product line, engineered specifically for low-current, low-noise voltage regulation in automotive electronics where precision, thermal robustness, and long-term reliability are mandatory.
FAQ
What is the maximum continuous power dissipation for BZT5250H-C2V2-QX at 70 °C ambient?
At 70 °C ambient, derating applies: Ptot = 830 mW − [(70 − 25) × (830 mW / 125 K)] = 530 mW. This value assumes mounting on FR4 PCB with 1 cm² cathode pad per datasheet condition [3], and reflects linear thermal derating up to Tamb = 150 °C where Ptot reaches zero.
Does BZT5250H-C2V2-QX support bidirectional ESD protection?
No - it is a unidirectional Zener diode optimized for reverse-bias regulation. Its forward voltage is 0.9 V max, but it lacks symmetric clamping characteristics or specified ESD ratings like IEC 61000-4-2. For bidirectional protection, paired Zener configurations or dedicated TVS diodes such as PESD5V0S1BA should be used.
How does the "intentional minor rise of leakage current" improve performance?
Per AN90031, this controlled leakage enhancement reduces minority-carrier lifetime, accelerating turn-off response and suppressing high-frequency ringing during transient events - directly improving noise immunity in sensitive analog sensor bias networks and CAN/LIN bus references.
Is the SOD123F package compatible with standard reflow profiles for lead-free assembly?
Yes - Nexperia specifies reflow soldering as the only recommended method, with peak temperature ≤260 °C and time above liquidus (TAL) ≤60 s. The footprint in Figure 10 (2.9 mm × 1.6 mm solder land) aligns with IPC-7351B medium density standards for SOD-123 variants.
BZT5250H-C2V2-QX Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Nexperia USA Inc.
- Series:
- BZT5250H-Q
- Package/Case:
- SOD-123F
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Voltage - Zener (Nom) (Vz):
- 2.2 V
- Tolerance:
- ±5%
- Power - Max:
- 375 mW
- Impedance (Max) (Zzt):
- 100 Ohms
- Current - Reverse Leakage @ Vr:
- 4 µA @ 1 V
- Voltage - Forward (Vf) (Max) @ If:
- 900 mV @ 10 mA
- Operating Temperature:
- 150°C (TJ)
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOD-123F
BZT5250H-C2V2-QX FAQ
1.How can I place an order for BZT5250H-C2V2-QX through Aetrix?
Please submit a Request for Quotation (RFQ) for BZT5250H-C2V2-QX 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 BZT5250H-C2V2-QX reliable?
The price and inventory of BZT5250H-C2V2-QX are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for BZT5250H-C2V2-QX is usually 5 days.
3.What payment methods are accepted for BZT5250H-C2V2-QX?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for BZT5250H-C2V2-QX transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for BZT5250H-C2V2-QX?
BZT5250H-C2V2-QX orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your BZT5250H-C2V2-QX 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 BZT5250H-C2V2-QX?
For technical support, including BZT5250H-C2V2-QX datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your BZT5250H-C2V2-QX requirements.
6.How does Aetrix verify that BZT5250H-C2V2-QX is sourced from the original manufacturer or authorized distributors?
All BZT5250H-C2V2-QX 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 BZT5250H-C2V2-QX meets industry standards.
7.What is the process for return or replacement of BZT5250H-C2V2-QX?
All BZT5250H-C2V2-QX units undergo pre-shipment inspection (PSI). If there is an issue with BZT5250H-C2V2-QX, 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 BZT5250H-C2V2-QX part is unused and in its original packaging.
Return procedure for BZT5250H-C2V2-QX:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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