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NXP Semiconductors BAT254,115
- Part No.:
- BAT254,115
- Manufacturer:
- NXP Semiconductors
- Category:
- Single Diodes
- Package:
- SOD-110
- Datasheet:
-
BAT254,115.pdf
- Description:
- DIODE SCHOTTKY 30V 200MA SOD110
- Quantity:
- Payment:
- Shipping:
Inventory:4,309
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Product details
Overview
BAT254,115 from Nexperia is a planar Schottky barrier diode in a SOD110 ceramic SMD package, rated for 30 V continuous reverse voltage, 200 mA continuous forward current, and 5 ns reverse recovery time; it serves as an ultra-high-speed switching diode in DC-DC converter output rectification and ESD-sensitive signal line clamping.
For engineers reviewing the BAT254,115 datasheet, BAT254,115 pinout, BAT254,115 application, or BAT254,115 equivalent, key selection criteria include low forward voltage (400 mV at 10 mA), minimal junction-to-ambient thermal resistance (315 K/W), guard ring protection, and ultra-small footprint suitability for space-constrained portable electronics.
Technical Context
The BAT254,115 employs a planar Schottky junction structure with integrated guard ring to suppress edge breakdown and ensure stable reverse leakage (<2 μA at 25 V). Its ceramic SOD110 package enables high thermal resistance control and reliable operation up to 125 °C junction temperature.
Designed for high-frequency switching, the device delivers 5 ns reverse recovery time under IF = 10 mA → IR = 10 mA transition with RL = 100 Ω load, and exhibits low capacitance (10 pF at 1 MHz, VR = 1 V) to minimize AC signal distortion in clamping and blocking roles.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VR (Reverse Voltage) | 30 V - Maximum DC reverse bias before risk of breakdown in clamping or blocking configurations |
| IF (Forward Current) | 200 mA - Continuous conduction capability for low-power rectification and hold-up circuits |
| VF (Forward Voltage) | 400 mV @ 10 mA - Low conduction loss enabling high efficiency in battery-powered signal paths |
| trr (Recovery Time) | 5 ns - Enables operation beyond 100 MHz switching frequencies without tail current issues |
| Cd (Capacitance) | 10 pF @ 1 V - Minimizes loading on high-speed data lines and RF detector inputs |
| Rth j-a | 315 K/W - Limits self-heating in unforced-air, low-copper PCB layouts typical in wearables |
| IR (Reverse Leakage) | 2 μA @ 25 V - Ensures low standby power in always-on protection circuits |
Pinout & Package
Package: SOD110 - Very small ceramic rectangular surface-mount package (1.6 mm × 1.2 mm × 0.7 mm), with cathode marked by a band on one end.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode (1) | Forward current entry point | Connected to lower-potential node in clamping or reverse polarity protection |
| Cathode (2) | Forward current exit / reverse voltage reference | Marked side; tied to higher-potential rail or signal return for unidirectional conduction |
Key Features
| Feature | Design Value |
|---|---|
| Guard ring protection | Prevents premature edge breakdown under high dv/dt, improving reliability in fast-switching transient suppression |
| Low VF at low currents | 240 mV @ 0.1 mA enables effective signal-level clamping without forward bias distortion |
| Ceramic SMD construction | Provides superior moisture resistance and long-term stability vs. plastic packages in humid environments |
| Ultra-fast trr | 5 ns recovery supports clean switching in >100 MHz clock distribution and RF detector applications |
Applications
| USB Data Line Protection | DC-DC Converter Output Rectification |
|---|---|
Use Scenario: Protecting USB 2.0 D+ and D− lines against ESD transients and overvoltage events. IC Role / Device Role / Timing Role: Bidirectional clamping diode placed between data line and VBUS or GND. Use Value: 400 mV forward drop ensures minimal signal attenuation; 2 μA leakage avoids pull-up/pull-down interference. | Use Scenario: Synchronous rectification replacement in 3.3 V/5 V buck converters for portable devices. IC Role / Device Role / Timing Role: Low-loss freewheeling path during high-side switch off-time. Use Value: 5 ns trr prevents shoot-through in 1–2 MHz switching regulators; 315 K/W Rth j-a allows operation without heatsink. |
| RF Detector Input Clamping | Reverse Polarity Protection |
Use Scenario: Limiting input swing to RF log detector ICs (e.g., ADL5513) in cellular front-end modules. IC Role / Device Role / Timing Role: Signal amplitude limiter ahead of sensitive analog input stage. Use Value: 10 pF capacitance avoids resonance with trace inductance up to 2.4 GHz; low VF preserves detector dynamic range. | Use Scenario: Preventing damage from accidental battery reversal in coin-cell powered IoT sensors. IC Role / Device Role / Timing Role: Series blocking element in main power rail with minimal voltage drop. Use Value: 200 mA IF rating supports typical sensor peak loads; 30 V VR accommodates Li-ion charging voltage spikes. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar Schottky diode applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| RB521S-30T2R | Higher IF (300 mA), same VR (30 V), slightly higher VF (450 mV @ 10 mA), SOD-523 package (smaller footprint) | Preferred where board area is tighter but thermal margin is less constrained | Select RB521S-30T2R only if layout allows rework for 1.0 mm × 0.6 mm footprint and higher forward loss is acceptable |
| NSR0230HT1G | Same SOD-123 package, higher IF (350 mA), VF = 410 mV @ 10 mA, no guard ring | Suitable for general-purpose rectification where edge reliability under surge is not critical | Choose NSR0230HT1G when cost sensitivity outweighs need for guard ring protection in non-automotive designs |
Compared with BAT254,115, RB521S-30T2R trades footprint reduction for higher forward loss and reduced thermal margin, while NSR0230HT1G offers higher current capacity but lacks guard ring-making BAT254,115 the preferred choice for robust, space-efficient clamping in ESD-prone interfaces.
Availability
BAT254,115 is available at Aetrix Electronics and suitable for USB interface protection, DC-DC converter rectification, and RF detector clamping requiring stable component supply across consumer, industrial, and wearable electronics programs.
Supply support for BAT254,115 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 leader in discrete, logic, and PowerMOS semiconductors, formed in 2017 from the former NXP Standard Products division.
The BAT254,115 belongs to Nexperia's high-speed Schottky diode product line, engineered specifically for ultra-low VF and sub-10 ns trr performance in miniaturized, high-reliability signal integrity and power management applications.
FAQ
What is the maximum junction temperature rating for BAT254,115?
The BAT254,115 has a maximum junction temperature (Tj) rating of 125 °C, verified per IEC 60134 limiting values. This allows reliable operation in thermally constrained environments such as sealed wearable enclosures or stacked PCB assemblies where ambient temperatures reach 85 °C and self-heating must be tightly managed. The BAT254,115 achieves this with its ceramic SOD110 package and planar Schottky structure.
Does BAT254,115 have a guard ring, and why does it matter?
Yes, BAT254,115 features a guard ring structure explicitly stated in its datasheet under FEATURES and DESCRIPTION. This design mitigates edge breakdown under high dv/dt transients-critical in ESD protection and fast-switching clamping applications. Without it, localized electric field concentration could cause premature failure. The BAT254,115's guard ring ensures consistent 30 V reverse standoff even under repetitive surge conditions.
What is the reverse recovery time (trr) of BAT254,115, and how is it measured?
The BAT254,115 has a typical reverse recovery time (trr) of 5 ns, measured under defined conditions: switching from IF = 10 mA to IR = 10 mA with RL = 100 Ω, and detection at IR = 1 mA (per Fig.5 in the datasheet). This value reflects true minority-carrier-free Schottky behavior and confirms suitability for >100 MHz signal routing. The BAT254,115 achieves this without charge storage delay, unlike PN-junction diodes.
Can BAT254,115 be used in place of BAT54 in existing designs?
No-BAT254,115 is not a direct substitute for BAT54. While both are Schottky diodes, BAT54 uses SOT-23 packaging (3-pin, dual/quad variants), whereas BAT254,115 is a single-diode SOD110 (2-pin) device with different thermal and electrical characteristics. Substituting BAT254,115 for BAT54 would require PCB redesign. The BAT254,115 is optimized for ultra-small footprints and low-leakage clamping-not dual-channel functionality.
What marking code identifies BAT254,115 on the device body?
The BAT254,115 is marked with the code "L4" on its top surface, as specified in the "Marking code" note of the datasheet. This two-character laser mark appears adjacent to the cathode band on the SOD110 ceramic package. It is distinct from other BAT-series diodes (e.g., BAT54 uses "A4") and enables visual verification during assembly and inspection of the BAT254,115.
BAT254,115 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Series:
- -
- Package/Case:
- SOD-110
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Technology:
- Schottky
- Voltage - DC Reverse (Vr) (Max):
- 30 V
- Current - Average Rectified (Io):
- 200mA
- Voltage - Forward (Vf) (Max) @ If:
- 800 mV @ 100 mA
- Speed:
- Small Signal =< 200mA (Io), Any Speed
- Reverse Recovery Time (trr):
- 5 ns
- Current - Reverse Leakage @ Vr:
- 2 µA @ 25 V
- Capacitance @ Vr, F:
- 10pF @ 1V, 1MHz
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOD-110
- Operating Temperature - Junction:
- 125°C (Max)
BAT254,115 FAQ
1.How can I place an order for BAT254,115 through Aetrix?
Please submit a Request for Quotation (RFQ) for BAT254,115 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 BAT254,115 reliable?
The price and inventory of BAT254,115 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for BAT254,115 is usually 5 days.
3.What payment methods are accepted for BAT254,115?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for BAT254,115 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for BAT254,115?
BAT254,115 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your BAT254,115 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 BAT254,115?
For technical support, including BAT254,115 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your BAT254,115 requirements.
6.How does Aetrix verify that BAT254,115 is sourced from the original manufacturer or authorized distributors?
All BAT254,115 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 BAT254,115 meets industry standards.
7.What is the process for return or replacement of BAT254,115?
All BAT254,115 units undergo pre-shipment inspection (PSI). If there is an issue with BAT254,115, 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 BAT254,115 part is unused and in its original packaging.
Return procedure for BAT254,115:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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