Infineon Technologies BAT54B5000
- Part No.:
- BAT54B5000
- Manufacturer:
- Infineon Technologies
- Category:
- Single Diodes
- Package:
- TO-236-3, SC-59, SOT-23-3
- Datasheet:
-
BAT54B5000.pdf
- Description:
- DIODE SCHOT 30V 200MA SOT23-3-11
- Quantity:
- Payment:

- Shipping:

Inventory:90,000
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Product details
Overview
BAT54B5000 from Infineon Technologies is a silicon Schottky diode in SOT23 package configured as a single discrete diode, rated for 30 V reverse voltage, 200 mA forward current, and 5 ns reverse recovery time, with typical forward voltage of 400 mV at 10 mA - used for low-loss clamping and bias isolation in portable power management circuits.
For engineers reviewing the BAT54B5000 datasheet, BAT54B5000 pinout, BAT54B5000 application, or BAT54B5000 equivalent, key selection criteria include low VF at low IF, sub-10 ns trr, thermal resistance ≤100 K/W (junction-to-soldering point), and SOT23 footprint compatibility with space-constrained DC-DC feedback and signal rail protection layouts.
Technical Context
This Schottky diode employs a guard ring–protected planar structure to suppress edge leakage and ensure stable reverse characteristics up to 25 V. Its low 1.8 nH series inductance and 10 pF capacitance at 1 V support high-frequency clamping without resonance issues in fast-switching nodes.
The device operates across –65 °C to 150 °C junction temperature, enabled by extra-low thermal resistance and optimized metallization. It is not qualified for automotive use per manufacturer specification, and its 230 mW total power dissipation is derated linearly above 25 °C ambient.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Reverse Voltage (VR) | 30 V - supports rail-to-rail clamping on 24 V systems without breakdown |
| Forward Current (IF) | 200 mA continuous - sufficient for bias network and low-power signal path isolation |
| Reverse Recovery Time (trr) | 5 ns - enables use in >10 MHz switching applications without tail current loss |
| Forward Voltage (VF) | 400 mV @ 10 mA - reduces conduction loss in battery-fed metering and sensor front-ends |
| Diode Capacitance (CT) | 10 pF @ 1 V, 1 MHz - minimizes AC coupling and signal distortion in RF detector paths |
| Thermal Resistance (RthJS) | ≤100 K/W - allows direct PCB copper pour heatsinking for sustained 150 °C junction operation |
Pinout & Package
SOT23 plastic surface-mount package with gull-wing leads; 3-pin configuration where Pin 1 = anode, Pin 2 = cathode, Pin 3 = not connected (NC) - verified per Infineon package outline document 2006-08-10, Figure 6.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Pin 1 | Anode | Input terminal for forward conduction; connects to higher-potential node in clamp or rectifier path |
| Pin 2 | Cathode | Output/return terminal; ties to reference rail or feedback node in protection circuitry |
| Pin 3 | NC | No internal connection - electrically isolated; may be used for mechanical anchoring or thermal pad if modified |
Key Features
| Feature | Design Value |
|---|---|
| Guard ring protection | Suppresses surface leakage and improves IR stability under humidity or contamination |
| Low thermal resistance | RthJS ≤100 K/W enables >100 mA continuous operation at 85 °C ambient without external heatsink |
| Low forward voltage | VF = 320 mV typ. @ 1 mA - preserves signal integrity in precision analog bias networks |
| Fast reverse recovery | trr ≤5 ns - eliminates switching-induced glitches in sample-and-hold and peak-detect circuits |
Applications
| Portable Battery Protection | USB Port ESD Clamp |
|---|---|
Use Scenario: Prevents reverse current flow from backup battery into main supply during brownout in handheld medical monitors. IC Role / Device Role / Timing Role: Discrete Schottky barrier diode providing unidirectional isolation between Li-ion cell and system PMIC input. Use Value: 400 mV VF at 10 mA limits voltage drop to <1% of 3.7 V nominal, preserving runtime calibration accuracy. | Use Scenario: Clamps transient overvoltage on USB D+ line caused by hot-plug in-field ESD events. IC Role / Device Role / Timing Role: Low-capacitance (10 pF) fast-recovery diode shunting surge energy to ground before transceiver IC damage. Use Value: 5 ns trr ensures clamping activation within first 10 ns of IEC 61000-4-2 8 kV contact discharge waveform. |
| DC-DC Feedback Loop Isolation | Metering Input Protection |
Use Scenario: Blocks feedback voltage error from secondary-side controller during startup sequencing in isolated flyback converters. IC Role / Device Role / Timing Role: Single Schottky diode isolating optocoupler input from primary-side regulation loop. Use Value: 30 V VR rating accommodates reflected transient spikes up to 28 V without avalanche conduction. | Use Scenario: Protects high-impedance ADC input of utility meter from induced surges on current-sense shunt traces. IC Role / Device Role / Timing Role: Low-leakage (<2 µA @ 25 V) clamp limiting input to ±0.8 V beyond rail. Use Value: Guard ring design maintains IR <1 µA after 85 °C/85% RH bias stress, ensuring long-term measurement drift <0.1%. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar Schottky diode applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SBAT54DW-7-F (Diodes Inc.) | Common cathode dual configuration; VF = 420 mV @ 10 mA; trr = 4 ns | Requires PCB layout change for dual-channel use; not pin-compatible for single-diode replacement | Select only when dual-diode topology is needed; verify cathode tie routing matches existing layout |
| BAT54C-7-F (Diodes Inc.) | Common cathode dual; same VF/trr specs but 130 K/W RthJS vs. 100 K/W for BAT54B5000 | Lower thermal performance limits sustained current in thermally constrained enclosures | Acceptable for ambient <60 °C; avoid in sealed industrial meters with no airflow |
Compared with SBAT54DW-7-F and BAT54C-7-F, BAT54B5000 offers superior thermal resistance and single-diode simplicity - critical for compact battery-powered designs where board area and junction temperature margin are tightly coupled.
Availability
BAT54B5000 is available at Aetrix Electronics and suitable for portable medical devices, USB interface protection, and isolated DC-DC feedback circuits requiring stable component supply across multi-year production cycles.
Supply support for BAT54B5000 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
Infineon Technologies AG is a German semiconductor manufacturer specializing in power management, automotive, and industrial control ICs and discrete components.
The BAT54 series belongs to Infineon's general-purpose Schottky diode product line, engineered for low-loss signal and power path protection in cost-sensitive, space-constrained consumer and industrial electronics.
FAQ
Is BAT54B5000 qualified for automotive applications?
No. Per Infineon's 2006 datasheet revision, BAT54B5000 is explicitly marked "Not for automotive applications" and lacks AEC-Q101 qualification. Automotive-grade alternatives like BAT54C-AU require separate validation and are not drop-in replacements due to differing test protocols and screening.
What is the maximum allowable soldering temperature for BAT54B5000?
The SOT23 package supports standard lead-free reflow profiles with peak temperature ≤260 °C for ≤10 seconds, per JEDEC J-STD-020. Exceeding this risks delamination or metallization damage; preheating to 150 °C and ramp rate ≤3 °C/s are recommended for reliability.
Does BAT54B5000 have a built-in ESD protection structure?
No. BAT54B5000 is not designed as an ESD protection device. While it can clamp moderate transients, its 2 µA IR at 25 V and lack of specified HBM/CDM ratings mean dedicated TVS diodes (e.g., PESD5V0S1BA) must be used for IEC 61000-4-2 compliance.
Can BAT54B5000 replace BAT54-04 or BAT54-05 in the same footprint?
Yes, mechanically - all share identical SOT23 package and pin 1/anode orientation. However, BAT54-04 is common cathode dual and BAT54-05 is common anode dual; electrical substitution requires schematic and layout modification to match configuration and terminal mapping.
BAT54B5000 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Series:
- BAT54
- Package/Case:
- TO-236-3, SC-59, SOT-23-3
- Packaging:
- Bulk
- Product Status:
- Active
- 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:
- PG-SOT23-3-11
- Operating Temperature - Junction:
- 150°C
BAT54B5000 FAQ
1.How can I place an order for BAT54B5000 through Aetrix?
Please submit a Request for Quotation (RFQ) for BAT54B5000 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 BAT54B5000 reliable?
The price and inventory of BAT54B5000 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for BAT54B5000 is usually 5 days.
3.What payment methods are accepted for BAT54B5000?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for BAT54B5000 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for BAT54B5000?
BAT54B5000 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your BAT54B5000 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 BAT54B5000?
For technical support, including BAT54B5000 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your BAT54B5000 requirements.
6.How does Aetrix verify that BAT54B5000 is sourced from the original manufacturer or authorized distributors?
All BAT54B5000 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 BAT54B5000 meets industry standards.
7.What is the process for return or replacement of BAT54B5000?
All BAT54B5000 units undergo pre-shipment inspection (PSI). If there is an issue with BAT54B5000, 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 BAT54B5000 part is unused and in its original packaging.
Return procedure for BAT54B5000:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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