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The 1N4148 was registered at JEDEC in 1968 as a silicon switching signal diode for military and industrial applications. [3] It was second-sourced by many manufacturers; Texas Instruments listed their version of the device in an October 1966 data sheet. [4] The 1N914 and 1N4148 have an enduring popularity in low-current applications. [5]
In 2015, Texas Instruments announced the ATL431, an improved derivative of the TL431 for very high efficiency switch-mode regulators [49] that has a V REF of 2.5 V instead of 2.495 V. The recommended minimum operating current is only 35 μA (standard TL431: 1 mA); the maximum I CA and V CA are the same as standard (100 mA and 36 V). [ 50 ]
For example, a diode with a Zener breakdown voltage of 3.2 V exhibits a voltage drop of very nearly 3.2 V across a wide range of reverse currents. The Zener diode is therefore well suited for applications such as the generation of a reference voltage (e.g. for an amplifier stage), or as a voltage stabilizer for low-current applications. [2]
A family of diode logic and diode–transistor logic integrated circuits was developed by Texas Instruments for the D-37C Minuteman II Guidance Computer in 1962, but these devices were not available to the public. A variant of DTL called "high-threshold logic" incorporated Zener diodes to create a large offset between logic 1 and logic 0 ...
Temperature compensated Zener reference diode, 1.22 V breakdown voltage [50] [51] LM329 Temperature compensated Zener reference diode, 6.9 V breakdown voltage [52] LM136 LM236 LM336 2.5 V or 5 V Zener reference diode with temperature coefficient trimmer [53] LM368 Yes 2.5 V precision voltage reference [54] LM169 LM369 LM199 Yes
In electronics, the Zener effect (employed most notably in the appropriately named Zener diode) is a type of electrical breakdown, discovered by Clarence Melvin Zener. It occurs in a reverse biased p-n diode when the electric field enables tunneling of electrons from the valence to the conduction band of a semiconductor , leading to numerous ...
Zener diode; Zen diode ... devices, for example, there are three ... Teal was the first to develop a working silicon transistor at the nascent Texas Instruments ...
This configuration is known as a constant-current diode, as it behaves much like a dual to the constant voltage diode (Zener diode) used in simple voltage sources. Due to the large variability in saturation current of JFETs, it is common to also include a source resistor (shown in the adjacent image) which allows the current to be tuned down to ...
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