Description
The 1N4148UB2 is a RoHS-compliant ceramic body switching/signal diode with military specifications per MIL-PRF-19500/116. This diode offers low capacitance and high switching speeds in a surface mount UB2 package. It is suitable for use in a variety of polarities and is recognized as the surface mount equivalent of the JEDEC registered 1N4148. The device experiences minimal reverse recovery times and has qualifications available under three levels: JAN, JANTX, and JANTXV per MIL-PRF-19500/116. Other package types such as UBC, UB, DO-35, and DO-213AA are also offered by Microsemi. The diode is designed for use in high frequency data lines, RS-232 and RS-422 networks, Ethernet 10 Base T LANs, and in computers.
Features
Key features of the diode include its ceramic surface mount package suitable for low-profile applications. It promises very fast switching and a low capacitance, which are essential for high-frequency operations.
Applications & Benefits
The device is well-suited for deployment across various high-speed electronic applications such as high-frequency data lines, interface networks, and computer connections among others. The compact ceramic package is optimized for these applications, offering benefits like a low-profile while maintaining robust performance.
Maximum Ratings
The datasheet specifies the maximum operating and storage temperatures of the diode from -65 to +200 degrees Celsius. It details thermal resistance from the junction to ambient at 325 degrees Celsius/Watt, and junction to solder pad at 120 degrees Celsius/Watt. The maximum breakdown voltage is specified at 100 volts, with a working peak reverse voltage of 75 volts. Furthermore, the average rectified forward current is 200mA at an ambient temperature of 75 degrees Celsius, and the diode can handle a non-repetitive sinusoidal surge current of 2 pulsating degrees at 8.3ms.
Contact Information
Microsemi provides contact information for their Lawrence, MA office, including phone and fax numbers, along with details for their Ireland office in Co. Clare.
Notes
The datasheet mentions Figures 1 and 2 for additional technical insights, such as thermal impedance curves and derating, respectively.
References:
Download: 1N4148UB2 Qualified Levels: JAN, JANTX, and JANTXV RoHS Compliant Two Pin Ceramic Switching Diode
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Pricing & Distributors: https://www.datasheets360.com/part/detail/jan1n4148ub2r/-6717504977259770928/