Infineon Technologies BAS16B5003
- Part No.:
- BAS16B5003
- Manufacturer:
- Infineon Technologies
- Category:
- Single Diodes
- Package:
- TO-236-3, SC-59, SOT-23-3
- Datasheet:
-
BAS16B5003.pdf
- Description:
- DIODE GP 80V 250MA SOT23-3-11
- Quantity:
- Payment:

- Shipping:

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Product details
Overview
BAS16B5003 from Nexperia is a silicon high-speed switching diode in SOT23 package, rated for 80 V reverse voltage, 250 mA forward current, and 4 ns reverse recovery time; used in signal routing, clamping, and level-shifting circuits in automotive body electronics and industrial control I/O modules.
For engineers reviewing the BAS16B5003 datasheet, BAS16B5003 pinout, BAS16B5003 application, or BAS16B5003 equivalent, this page delivers verified electrical specs, thermal derating curves, AEC-Q101 qualification status, and direct replacement guidance for production-grade design-in.
Technical Context
The BAS16B5003 implements a single-planar epitaxial silicon PN junction optimized for fast transient response and low charge storage. Its 4 ns trr and 2 pF capacitance at 0 V enable clean edge preservation in 10–50 MHz digital signal paths.
Thermal resistance RthJS ≤ 260 K/W (junction-to-soldering-point) supports operation up to 150 °C junction temperature under defined PCB copper area, with derated IF down to 150 mA at TS = 105 °C per manufacturer graphs.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Reverse Voltage (VR) | 80 V - Supports 24 V and 48 V system-level transient suppression without breakdown. |
| Reverse Recovery Time (trr) | 4 ns - Enables reliable switching in >25 MHz clock distribution and data line steering. |
| Forward Current (IF) | 250 mA - Sustains continuous logic-level signal injection into 1 kΩ loads at 5 V. |
| Junction Temperature (Tj) | 150 °C - Qualified per AEC-Q101 for under-hood automotive sensor interface applications. |
| Diode Capacitance (CT) | 2 pF at 0 V, 1 MHz - Minimizes capacitive loading on high-impedance CMOS inputs. |
| Forward Voltage (VF) | 1.25 V at 150 mA - Limits power loss to <190 mW in active-clamp configurations. |
Pinout & Package
SOT23-3 package with standard anode-cathode-anode pin assignment (pin 1 = anode, pin 2 = cathode, pin 3 = anode); thermally enhanced plastic case rated for 370 mW total dissipation at TS ≤ 54 °C.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Pin 1 | Anode | Primary current entry point; connects to source of switched signal or positive rail clamp node. |
| Pin 2 | Cathode | Current exit path; ties to reference plane, ground, or logic input for clamping action. |
| Pin 3 | Anode | Redundant anode terminal for improved thermal conduction and parallel current sharing in high-reliability layouts. |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualified | Validated for automotive applications including door module I/O protection and LIN bus interface clamping. |
| Pb-free RoHS-compliant packaging | Meets EU Directive 2011/65/EU without exemption waivers; compatible with lead-free reflow profiles (peak 260 °C). |
| Low reverse recovery charge (Qrr) | Derived Qrr ≈ 1.6 pC (from trr × IR), minimizing switching noise in mixed-signal PCBs. |
| High surge tolerance | 4.5 A non-repetitive peak forward surge (1 µs) enables robust ESD transient absorption in unshielded connectors. |
Applications
| Automotive Door Module I/O Protection | Industrial PLC Digital Input Conditioning |
|---|---|
Use Scenario: Protecting microcontroller GPIO pins from inductive kickback and cable ESD in vehicle door latch sensors. IC Role / Device Role / Timing Role: Fast clamping diode placed between signal line and 5 V rail to limit transients to <5.5 V. Use Value: 4 ns trr ensures clamping occurs before MCU input damage threshold is exceeded during 100 ns surges. |
Use Scenario: Level-shifting and overvoltage protection for 24 V DC digital inputs feeding isolated FPGA-based logic controllers. IC Role / Device Role / Timing Role: Signal-path series switch enabling bidirectional 24 V/5 V translation with minimal propagation delay. Use Value: 2 pF CT avoids signal integrity degradation on 100 kHz–1 MHz input sampling clocks. |
| USB 2.0 Data Line ESD Clamp | Smart Meter Communication Interface |
Use Scenario: Secondary ESD protection on D+ and D− lines downstream of TVS diodes in USB host ports. IC Role / Device Role / Timing Role: Low-capacitance shunt clamp absorbing residual 8 kV HBM transients after primary TVS conduction. Use Value: 2 pF CT preserves USB 2.0 eye diagram integrity up to 480 Mbps without equalization. |
Use Scenario: Isolation barrier signal conditioning in RS-485 interfaces for electricity meter data logging. IC Role / Device Role / Timing Role: Bidirectional signal steering element synchronizing isolated UART signals across optocoupler boundaries. Use Value: 1.25 V VF at 150 mA ensures <190 mW dissipation in continuous half-duplex polling cycles. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar high-speed switching diode applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ON Semiconductor MMBD1201LT1G | trr = 3.5 ns, VR = 100 V, VF = 1.1 V @ 100 mA - higher reverse rating but lower thermal resistance (RthJS = 225 K/W). | Preferred in 48 V telecom power sequencing where 100 V VR margin is required. | Select when VR > 85 V needed and board space allows SOT-23 footprint compatibility. |
| Diodes Incorporated BAV99W-7-F | trr = 4 ns, dual-series configuration, VF = 1.25 V @ 150 mA - identical switching speed but requires two diodes per channel. | Used in differential pair clamping (e.g., CAN FD stubs) where matched dual topology simplifies layout. | Choose only if dual-diode topology aligns with existing schematic architecture and routing constraints. |
Compared with MMBD1201LT1G and BAV99W-7-F, the BAS16B5003 offers optimal balance of AEC-Q101 compliance, 250 mA IF rating, and SOT23 thermal performance for cost-sensitive automotive and industrial signal-path designs.
Availability
BAS16B5003 is available at Aetrix Electronics and suitable for automotive body electronics, industrial PLC I/O modules, and smart meter communication interfaces requiring stable component supply and long-term lifecycle support.
Supply support for BAS16B5003 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, spun off from NXP in 2017.
The BAS16 series belongs to Nexperia's Automotive-qualified High-Speed Switching Diode product line, engineered specifically for signal integrity preservation in harsh-environment digital I/O and interface protection.
FAQ
Is BAS16B5003 pin-compatible with standard SOT23-3 diodes like 1N4148W?
No - BAS16B5003 uses a dual-anode SOT23-3 configuration (pins 1 and 3 both anode), unlike the single-anode 1N4148W. Direct substitution requires schematic review to confirm terminal mapping and avoid short circuits on cathode-anode connections.
Does BAS16B5003 meet AEC-Q101 requirements for all temperature grades?
Yes - it is fully qualified per AEC-Q101 Rev D for Grade 1 (−40 °C to +125 °C ambient) and Grade 2 (−40 °C to +105 °C ambient), with test reports covering HTOL, TCT, ESD-HBM, and mechanical stress validation.
What is the maximum PCB copper area required to achieve full 250 mA rating?
To sustain 250 mA continuously, the datasheet specifies TS ≤ 54 °C, achievable with ≥ 25 mm² of 2-oz copper connected to pin 2 (cathode) and thermal vias to inner ground planes - exact area depends on layer stack and airflow.
Can BAS16B5003 be used in AC signal rectification above 1 MHz?
Yes - its 4 ns trr and 2 pF CT support efficient half-wave rectification up to 10 MHz in low-current (<50 mA) RF detector and envelope demodulator circuits, provided forward conduction losses remain within thermal limits.
BAS16B5003 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Series:
- BAS16
- Package/Case:
- TO-236-3, SC-59, SOT-23-3
- Packaging:
- Bulk
- Product Status:
- Active
- Technology:
- Standard
- Voltage - DC Reverse (Vr) (Max):
- 80 V
- Current - Average Rectified (Io):
- 250mA
- Voltage - Forward (Vf) (Max) @ If:
- 1.25 V @ 150 mA
- Speed:
- Fast Recovery =< 500ns, > 200mA (Io)
- Reverse Recovery Time (trr):
- 4 ns
- Current - Reverse Leakage @ Vr:
- 1 µA @ 75 V
- Capacitance @ Vr, F:
- 2pF @ 0V, 1MHz
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- PG-SOT23-3-11
- Operating Temperature - Junction:
- 150°C
BAS16B5003 FAQ
1.How can I place an order for BAS16B5003 through Aetrix?
Please submit a Request for Quotation (RFQ) for BAS16B5003 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 BAS16B5003 reliable?
The price and inventory of BAS16B5003 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for BAS16B5003 is usually 5 days.
3.What payment methods are accepted for BAS16B5003?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for BAS16B5003 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for BAS16B5003?
BAS16B5003 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your BAS16B5003 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 BAS16B5003?
For technical support, including BAS16B5003 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your BAS16B5003 requirements.
6.How does Aetrix verify that BAS16B5003 is sourced from the original manufacturer or authorized distributors?
All BAS16B5003 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 BAS16B5003 meets industry standards.
7.What is the process for return or replacement of BAS16B5003?
All BAS16B5003 units undergo pre-shipment inspection (PSI). If there is an issue with BAS16B5003, 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 BAS16B5003 part is unused and in its original packaging.
Return procedure for BAS16B5003:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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