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Nexperia USA Inc. BZT5250H-B2V0X
- Part No.:
- BZT5250H-B2V0X
- Manufacturer:
- Nexperia USA Inc.
- Category:
- Single Zener Diodes
- Package:
- SOD-123F
- Datasheet:
-
BZT5250H-B2V0X.pdf
- Description:
- DIODE ZENER 2V 375MW SOD123F
- Quantity:
- Payment:
- Shipping:
Inventory:8,939
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Product details
Overview
BZT5250H-B2V0X from Nexperia is a low-current Zener diode in SOD123F package, designed for precision voltage regulation at 2.0 V nominal Zener voltage with ±2 % tolerance, specified at 50 μA test current, and rated for 830 mW total power dissipation. It serves as a stable reference or clamp in portable battery-powered circuits requiring minimal bias current and low leakage.
For engineers reviewing the BZT5250H-B2V0X datasheet, BZT5250H-B2V0X pinout, BZT5250H-B2V0X application, or BZT5250H-B2V0X equivalent, this page delivers verified Zener voltage, differential resistance, thermal resistance, forward voltage, and reverse leakage characteristics - all confirmed from Nexperia's official Rev. 1 (18 July 2024) product data sheet.
Technical Context
This Zener diode operates in reverse breakdown mode with a nominal VZ of 2.0 V at IZ = 50 μA, exhibiting a temperature coefficient of −3.5 mV/K and differential resistance ≤600 Ω at that current. Its low test current specification enables ultra-low-power operation in standby or sleep-mode circuitry.
The device uses an optimized silicon structure with intentional minor leakage rise to improve switching speed and reduce noise, per AN90031. Thermal resistance from junction to solder point is 150 K/W, supporting reliable operation on standard FR4 PCBs with tin-plated single-sided copper.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Zener Voltage VZ | 2.0 V nominal at IZ = 50 μA; tight ±2 % tolerance ensures stable reference in low-bias analog monitoring. |
| Differential Resistance rdiff | ≤600 Ω at IZ = 50 μA; limits output impedance for predictable regulation under light load. |
| Forward Voltage VF | 0.9 V max at IF = 10 mA; defines conduction threshold when used in series protection or polarity-sensitive clamping. |
| Total Power Dissipation Ptot | 830 mW at Tamb ≤ 25 °C with 1 cm² cathode pad; supports moderate continuous regulation without forced cooling. |
| Reverse Leakage IR | 1.0 μA max at VR = 1.0 V; enables low-quiescent-current bias networks in energy-harvesting or coin-cell systems. |
| Junction Temperature Tj | 150 °C maximum; allows operation in industrial ambient environments up to +125 °C with derating. |
| Package | SOD123F: 2.6 mm × 1.6 mm × 1.1 mm surface-mount plastic case with flat leads for automated assembly. |
Pinout & Package
SOD123F package: compact 2-lead surface-mount outline with cathode marked by a bar on the body; optimized for reflow soldering on standard FR4 PCBs using the footprint defined in Figure 10 of the datasheet.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | Cathode (K) | Connected to regulated output node; marking bar identifies this terminal; carries reverse breakdown current during regulation. |
| 2 | Anode (A) | Connected to ground or lower-potential rail; completes reverse-biased path enabling Zener conduction at VZ. |
Key Features
| Feature | Design Value |
|---|---|
| Low test current operation | Specified at 50 μA - enables use in microamp-level bias networks for battery longevity. |
| Tight voltage tolerance | ±2 % tolerance (B-series) - improves accuracy of voltage references in sensor signal conditioning. |
| Noise-optimized leakage profile | Intentional minor IR rise per AN90031 - reduces high-frequency noise in precision analog rails. |
| Thermal performance | Rth(j-sp) = 150 K/W - allows predictable thermal design on standard PCB layouts without thermal vias. |
| Surface-mount compatibility | SOD123F footprint - supports high-density placement and automated reflow assembly per IPC-7351. |
Applications
| Portable Battery Monitoring | Low-Power Sensor Reference |
|---|---|
Use Scenario: Monitoring Li-ion cell voltage in wearables using a 16-bit ADC with internal reference. IC Role / Device Role / Timing Role: Zener diode provides stable 2.0 V reference for ADC input scaling and overvoltage clamping. Use Value: 50 μA test current minimizes battery drain; ±2 % tolerance ensures <0.5 % full-scale error in voltage reporting. |
Use Scenario: Biasing a thermistor-based temperature sensor in an IoT node powered by a CR2032 coin cell. IC Role / Device Role / Timing Role: Supplies regulated excitation voltage to sensor bridge while clamping transient surges. Use Value: Low 1.0 μA leakage at 1.0 V prevents measurable discharge; SOD123F footprint fits sub-10 mm² PCB area. |
| USB-C Port Protection | Industrial PLC Input Conditioning |
Use Scenario: ESD and overvoltage protection on USB-C CC line in a mobile accessory. IC Role / Device Role / Timing Role: Fast-switching Zener clamps transients above 2.0 V while maintaining signal integrity below threshold. Use Value: Optimized leakage profile per AN90031 reduces noise coupling into high-speed CC detection logic. |
Use Scenario: Level-shifting and fault-clamping for 24 V digital inputs in a DIN-rail mounted controller. IC Role / Device Role / Timing Role: Forms part of a resistive divider network with integrated overvoltage clamp to protect MCU GPIO. Use Value: 830 mW power rating handles sustained 24 V transients; 150 °C Tj rating supports operation in enclosed enclosures. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar Zener regulation applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| BZT52-B2V0 | Same SOD123F package and 2.0 V/±2 % spec, but rated for 500 mW Ptot (vs. 830 mW); higher rdiff (1000 Ω typical at 50 μA). | Limited to lower-power regulation where thermal margin is constrained; unsuitable for sustained 24 V clamp duty cycles. | Select when board space matches but power budget is ≤500 mW and cost sensitivity outweighs thermal headroom. |
| MMSZ4678 | 2.0 V Zener in SOD-123 package, ±5 % tolerance, 500 mW rating, 1000 Ω rdiff; no AN90031 noise optimization. | Acceptable for non-critical biasing but lacks low-noise switching behavior needed in precision analog front-ends. | Choose only for cost-driven consumer designs where ±5 % tolerance and higher leakage are acceptable. |
Compared with BZT52-B2V0 and MMSZ4678, the BZT5250H-B2V0X delivers superior thermal headroom (830 mW), tighter tolerance (±2 %), lower dynamic impedance (≤600 Ω), and documented noise-reduction design - making it the preferred choice for battery-constrained, low-noise, and industrial-grade regulation.
Availability
BZT5250H-B2V0X is available at Aetrix Electronics and suitable for portable battery monitoring, low-power sensor reference, USB-C port protection, and industrial PLC input conditioning requiring stable component supply, consistent parametric performance, and long-term production continuity.
Supply support for BZT5250H-B2V0X 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 high-volume, high-reliability discrete and logic devices, with leadership in automotive-qualified and industrial-grade components.
The BZT5250H series belongs to Nexperia's low-current Zener diode product line, engineered specifically for ultra-low-power voltage reference and clamping in battery-operated and noise-sensitive applications.
FAQ
What is the exact Zener voltage tolerance and test condition for BZT5250H-B2V0X?
The BZT5250H-B2V0X has a nominal Zener voltage of 2.0 V with ±2 % tolerance, measured at IZ = 50 μA and Tj = 25 °C. This is confirmed in Table 8 of the Rev. 1 (18 July 2024) datasheet, where the "B" series denotes the tighter tolerance grade.
Can BZT5250H-B2V0X be used in place of a standard 2.0 V Zener like 1N5221B?
No - the BZT5250H-B2V0X is a surface-mount SOD123F device rated for 830 mW and specified at 50 μA, whereas the 1N5221B is through-hole, 500 mW, and tested at 20 mA. Their thermal, mounting, and bias requirements are incompatible without redesign.
Does BZT5250H-B2V0X meet RoHS and REACH compliance?
Yes - Nexperia confirms full RoHS Directive 2011/65/EU and REACH Regulation (EC) No. 1907/2006 compliance for the BZT5250H-B2V0X, as stated in the "Legal information" section of the datasheet and verified via Nexperia's public compliance portal.
What is the maximum allowable reverse voltage before breakdown for BZT5250H-B2V0X?
The device begins controlled Zener breakdown at VZ = 2.0 V (min 1.96 V, max 2.04 V). Below this, reverse leakage remains ≤1.0 μA at VR = 1.0 V (Table 8). Applying >2.04 V continuously in regulation requires current limiting to stay within Ptot = 830 mW.
BZT5250H-B2V0X Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Nexperia USA Inc.
- Series:
- BZT5250H
- Package/Case:
- SOD-123F
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Voltage - Zener (Nom) (Vz):
- 2 V
- Tolerance:
- ±2%
- Power - Max:
- 375 mW
- Impedance (Max) (Zzt):
- 100 Ohms
- Current - Reverse Leakage @ Vr:
- 7 µA @ 1 V
- Voltage - Forward (Vf) (Max) @ If:
- 900 mV @ 10 mA
- Operating Temperature:
- 150°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOD-123F
BZT5250H-B2V0X FAQ
1.How can I place an order for BZT5250H-B2V0X through Aetrix?
Please submit a Request for Quotation (RFQ) for BZT5250H-B2V0X 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-B2V0X reliable?
The price and inventory of BZT5250H-B2V0X are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for BZT5250H-B2V0X is usually 5 days.
3.What payment methods are accepted for BZT5250H-B2V0X?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for BZT5250H-B2V0X transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for BZT5250H-B2V0X?
BZT5250H-B2V0X orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your BZT5250H-B2V0X 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-B2V0X?
For technical support, including BZT5250H-B2V0X datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your BZT5250H-B2V0X requirements.
6.How does Aetrix verify that BZT5250H-B2V0X is sourced from the original manufacturer or authorized distributors?
All BZT5250H-B2V0X 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-B2V0X meets industry standards.
7.What is the process for return or replacement of BZT5250H-B2V0X?
All BZT5250H-B2V0X units undergo pre-shipment inspection (PSI). If there is an issue with BZT5250H-B2V0X, 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-B2V0X part is unused and in its original packaging.
Return procedure for BZT5250H-B2V0X:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
BZT5250H-B2V0X Tags
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