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Product Detailed Parameters
- Description：DIODE STANDARD 50V 250MA DO204AH
- Series：-
- Mfr：Vishay General Semiconductor - Diodes Division
- Package：Tape & Reel (TR)
- Technology：Standard
- Voltage - DC Reverse (Vr) (Max)：50 V
- Current - Average Rectified (Io)：250mA
- Voltage - Forward (Vf) (Max) @ If：1 V @ 100 mA
- Speed：Fast Recovery =< 500ns, > 200mA (Io)
- Reverse Recovery Time (trr)：50 ns
- Current - Reverse Leakage @ Vr：100 nA @ 50 V
- Capacitance @ Vr, F：1.5pF @ 0V, 1MHz
- Mounting Type：Through Hole
- Package / Case：DO-204AH, DO-35, Axial
- Supplier Device Package：DO-204AH (DO-35)
- Operating Temperature - Junction：175°C (Max)
- Grade：Automotive
- Qualification：AEC-Q101
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Overview
The BAV18-TR is a silicon epitaxial planar switching diode from Vishay Semiconductors, designed for high-voltage general-purpose applications. It features a repetitive peak reverse voltage of 60 V and a maximum forward continuous current of 250 mA. The device operates within a junction temperature range of -55 °C to +175 °C and dissipates up to 500 mW. Packaged in the DO-35 (DO-204AH) axial leaded format with a black cathode band, it offers low capacitance of 1.5 pF and a reverse recovery time of 50 ns.
Feature Summary
- High-voltage silicon epitaxial planar construction
- Low leakage current and low capacitance
- Extended operating temperature range up to 175 °C
Applications
- General purpose switching
- Reverse polarity protection
- High-speed switching circuits
Procurement Notes
Verify that the specific ordering code matches the required packaging option, as the datasheet lists both tape-and-reel (TR) and ammopack (TAP) variants. Confirm compliance requirements against the material categorization document referenced in the official specifications. Ensure the component selection aligns with the absolute maximum ratings provided in the datasheet for the intended thermal environment.
Selection Notes
Select this component when a single diode configuration with a 60 V reverse voltage rating is required. The BAV18 provides a higher breakdown threshold than the BAV17 but lower than the BAV19. Consider the DO-35 package constraints regarding board space and lead length compared to surface-mount alternatives like the SOD-323 variants found in the BAVxxWS series.
Part Context
This part belongs to the BAV17 through BAV21 family of small signal switching diodes. The series shares identical physical dimensions, thermal characteristics, and typical electrical behaviors such as forward voltage and capacitance. Differentiation across the family is strictly defined by the repetitive peak reverse voltage rating, allowing designers to choose the appropriate voltage grade while maintaining consistent mechanical and thermal parameters.
Replacement Considerations
Direct substitutes within the same package include the BAV17-TR, BAV19-TR, BAV20-TR, and BAV21-TR. These parts share the same DO-35 footprint and thermal profile but differ in their maximum reverse voltage ratings. Verify that the alternative's voltage rating meets or exceeds the circuit requirements.
