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Product Detailed Parameters
- Description：DIODE STANDARD 75V 200MA DIE
- Series：-
- Mfr：Microchip Technology
- Package：Bulk
- Technology：Standard
- Voltage - DC Reverse (Vr) (Max)：75 V
- Current - Average Rectified (Io)：200mA
- Voltage - Forward (Vf) (Max) @ If：1.2 V @ 100 mA
- Speed：Small Signal =< 200mA (Io), Any Speed
- Reverse Recovery Time (trr)：5 ns
- Current - Reverse Leakage @ Vr：500 nA @ 75 V
- Capacitance @ Vr, F：-
- Mounting Type：Surface Mount
- Package / Case：Die
- Supplier Device Package：Die
- Operating Temperature - Junction：-55°C ~ 175°C
- Grade：-
- Qualification：-
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Overview
The CD4148W-O is a general-purpose switching diode manufactured by Microchip Technology. It features a peak reverse voltage of 75 V and an average forward current rating of 200 mA. The component is supplied as a bare die for surface mount integration, allowing for flexible PCB design in compact applications.
Feature Summary
- High-speed switching capability suitable for computer and signal processing circuits
- Bare die configuration enables custom packaging and space-constrained designs
- Robust thermal performance with high junction temperature tolerance
Applications
- Signal rectification in high-frequency circuits
- Computer logic interface protection
- Clamping and switching applications in consumer electronics
Procurement Notes
Verify the specific die specifications and handling requirements directly with Microchip Technology or authorized distributors. Ensure that the bare die format aligns with your assembly capabilities, as it requires specialized mounting techniques compared to standard packaged components. Confirm availability and lead times through official channels.
Selection Notes
Select this component when a small-form-factor switching diode is required without the volume constraints of traditional packages. It serves as a direct functional equivalent to other 75V 200mA silicon switching diodes but offers design flexibility through its die format. Evaluate thermal management strategies carefully due to the exposed die structure.
Part Context
This part belongs to Microchip's lineup of small-signal switching diodes, derived from the widely used 1N4148 family specifications. Unlike the through-hole DO-35 or SMD DO-213AA variants, the W-O suffix indicates a bare die form factor intended for advanced packaging solutions rather than direct board mounting.
Replacement Considerations
Direct pin-compatible replacements are not applicable due to the bare die format. Functionally similar parts include the CDLL4148e3 (SMD package) or 1N4148-1 (through-hole), provided the package change accommodates the system design constraints.
