1N4148UBCA

Diode Arrays Overview

The Microchip Technology 1N4148UBCA is a high-reliability switching diode qualified per MIL-PRF-19500/116. It features a ceramic surface mount package with a common anode configuration. Key electrical parameters include a maximum breakdown voltage of 100 V, a working peak reverse voltage of 75 V, and an average rectified forward current of 200 mA at 75 °C. The device exhibits a reverse recovery time of 5 ns and a maximum capacitance of 4.0 pF at 0 V bias.

Diode Arrays Feature Summary

• Ceramic bodied construction designed for military grade reliability standards.
• Very low capacitance characteristics suitable for high frequency applications.
• Fast switching speeds with minimal reverse recovery times.
• Available in various polarities including common anode configurations.

Diode Arrays Applications

• High frequency data lines
• RS-232 & RS-422 interface networks
• Ethernet 10 Base T
• LAN systems
• Computers

Diode Arrays Procurement Notes

Verify the specific qualification level (JAN, JANTX, or JANTXV) required for your application against the datasheet specifications. Confirm that the common anode polarity matches the circuit design requirements. Ensure thermal management aligns with the junction-to-ambient resistance values provided in the mechanical section.

Diode Arrays Selection Notes

Select this component when a robust, surface-mount signal diode with military-grade certification is necessary. The common anode setup allows for specific logic or clamping configurations distinct from standard unidirectional variants. Consider the ceramic package's thermal properties and weight constraints for aerospace or ruggedized environments.

Diode Arrays Part Context

This part belongs to the 1N4148UB series, which serves as the surface mount equivalent of the popular JEDEC registered 1N4148 number. The 'CA' suffix specifically denotes the Common Anode polarity within the UB package family, distinguishing it from unidirectional or common cathode versions.

Diode Arrays Replacement Considerations

Direct substitutes include other 1N4148UB variants such as the unidirectional 1N4148UB or common cathode 1N4148UBCC, provided the polarity difference is accommodated in the schematic. Commercial equivalents may lack the MIL-PRF-19500/116 qualification.

Diode Arrays FAQ

What is the reverse recovery time for the 1N4148UBCA?

The reverse recovery time (trr) is specified as 5 ns under test conditions of IF = IR = 10 mA with RL = 100 Ohms.

Does the 1N4148UBCA support RoHS compliance?

Yes, the device is RoHS compliant by design according to the manufacturer's documentation.

What is the maximum operating temperature range?

The junction and storage temperature range is -65 to +200 °C.