1N4148
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1N4148
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The 1N4148 is a standard silicon switching diode. Its name follows the JEDEC nomenclature. The 1N4148 has a DO-35 glass package and is very useful at high frequencies with a reverse recovery time of no more than 4ns. It was second sourced by many manufacturers; Texas Instruments listed their version of the device in an October 1966 data sheet.[1]
The 1N914 is an equivalent diode (meaning it has the same specifications, but some manufacturers use one part number or the other).[2] These devices types have an enduring popularity in low-current applications.[3][4]
Specifications:
- VRRM = 100V (Maximum Repetitive Reverse Voltage)
- IO = 200mA (Average Rectified Forward Current)
- IF = 300mA (DC Forward Current)
- IFSM = 1.0 A (Pulse Width = 1 sec), 4.0 A (Pulse Width = 1 uSec) (Non-Repetitive Peak Forward Surge Current)
- PD = 500 mW (power Dissipation)
- TRR < 4ns (reverse recovery time)
References
- ^ The Transistor and Diode Data Book, Texas Instruments Incorporated, publication no. CC-413 71243-73-CSS, no date, page 10-34
- ^ Michael Predko (2004). 123 robotics experiments for the evil genius. McGraw-Hill Professional. p. 93. ISBN 978-0-07-141358-9. http://books.google.com/books?id=Qq0CVfcAktUC&pg=PA93.
- ^ Jonathan Oxer and Hugh Blemings (2009). Practical Arduino: Cool Projects for Open Source Hardware. Apress. p. 10. ISBN 978-1-4302-2477-8. http://books.google.com/books?id=7P3_KhTMqI4C&pg=PA10. "Small "signal" diodes like the venerable 1N4148/1N914 can cope with about 200mA..."
- ^ Michael Gasperi, Philippe E. Hurbain, and Philippe Hurbain (2009). Extreme NXT: Extending the Lego Mindstorms NXT to the Next Level (2nd ed.). Apress. p. 211. ISBN 978-1-4302-2453-2. http://books.google.com/books?id=hxt63NxJvPEC&pg=PA211. "You could use a 1N4002, but the 1N4148 is smaller and more appropriate for the current..."
- Vishay datasheet: http://www.vishay.com/docs/81857/1n4148.pdf
- Fairchild Semiconductor datasheet: http://www.fairchildsemi.com/pf/1N/1N4148.html
- NXP Semiconductors datasheet: http://www.nxp.com/acrobat_download/datasheets/1N4148_1N4448_5.pdf
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