For example, this datasheet for a 1n4148 diode lists the maximum forward voltage 1v and the breakdown voltage 100v among a lot of other information. Please consult the most recently issued data sheet before initiating or completing a design. The product status of devices described in this document may have changed since this document was published and may differ in case of multiple devices. It is one of the most popular and longlived switching diodes because of its dependable specifications and low cost. Pinning information 1 the marking band indicates the cathode. Vishay silicon epitaxial planar diodes,alldatasheet, datasheet, datasheet search site for electronic components and semiconductors, integrated circuits, diodes, triacs, and other semiconductors. Understand zener diode datasheet specifications electronics.
Zener diodes or voltage reference diodes are used in a variety of circuits to enable them to provide a voltage reference. The outlook and shape of a zener diode sometimes can be mistaken to be a normal 1n4148 signal diode. To know whether it is a zener diode or just a normal diode, you need to read the identification or markings on its body. When the voltage across the terminals is reversed and the potential reaches the zener voltage or knee, the junction will break down and current will flow in the. A zener diode is a type of diode that allows current to flow in the conventional manner from its anode to its cathode i. They can also be used in other circuits apart from just providing a voltage reference. Philips highspeed diodes,alldatasheet, datasheet, datasheet search site for electronic.
The product status of the devices described in this data sheet may have changed since this data sheet was published. Zener diodes diode zener single 27v 1% 250mw 3pin enlarge mfr. Ph4148 datasheet pdf 100v, 200ma, zener diode, rectifier, ph4148 pdf, ph4148 pinout, ph4148 equivalent, ph4148 replacement, ph4148 schematic, manual. Recipe for solving diode circuits state of diode is unknown before solving the circuit 1.
Use the diode equation for that state to solve the circuit equations and find i d and v d 3. Vishay makes no warranty, representation or guarantee regarding the suitability of the products for any. Fast switching speed general purpose rectification silicon epitaxial planar construction mechanical data. A zener diode contains a heavily doped pn junction allowing electrons to tunnel from the valence band of the ptype material to the conduction band of the ntype material, such that the reverse voltage is clamped to a known value called the zener voltage, and avalanche does not occur. Small signal fast switching diodes, 1n4148 datasheet, 1n4148 circuit, 1n4148 data sheet. That is the current should always flow from the anode to cathode. Zener diode silicon epitaxial planar diode datasheet, zener. It was created to work in the breakdown mode on the reverse direction of the currentvoltage. Philips, alldatasheet, datasheet, datasheet search site for electronic components and. There are many circuits that use zener diodes, ranging from very simple zener diode circuits, up to far more complicated ones. Silicon epitaxial planar switching diode 1n4148 kingtronics.
Apr 12, 2019 ph4148 datasheet pdf 100v, 200ma, zener diode, rectifier, ph4148 pdf, ph4148 pinout, ph4148 equivalent, ph4148 replacement, ph4148 schematic, manual. Compare pricing for texas instruments 1n4148 across 9 distributors and discover alternative parts, cad models, technical specifications, datasheets, and more on octopart. This item 1n4148 logic diode diode 1n4148 lot of 25 units, fl usa. The zener voltages are graded according to the international e24 standard. Zener diode silicon epitaxial planar diode datasheet. When an electrical breakdown appears, a voltage zener diode maintains it constant over a large. Quick access to diodes and rectifiers pdf datasheet. Jul 01, 2019 1n4148 pdf datasheet 100v, switching diode fairchild, 1n4148 pinout, equivalent, replacement, 1n4148 schematic, 1n4148 manual, data. To give some idea of the datasheet characteristics to be expected from a zener diode a real example is provided below. The zener impedance is derived from the 60 hz ac voltage which results when an ac current having an rms value equal to 10% of the zener current i. Suntan capacitors datasheet, suntan capacitors pdf datasheetq.
A wide variety of st4148 zener diode options are available to you, there are 76 suppliers who sells st4148 zener diode on, mainly located in asia. Bzy88 leaded zener diode this diode is described as a miniature zener diode for regulated power supply. Ph4148 datasheet pdf 100v, 200ma, zener diode, rectifier. Leaded zener diode general purpose others with the same file for datasheet. The main parameters that would be needed in a circuit design are given. A zener diode is a semi diode with great properties. Digitron, alldatasheet, datasheet, datasheet search site for electronic components and. Small signal sidiodes, download 1n4148 datasheet from.
Low voltage regulator diodes in hermetically sealed small sod66 do41 glass packages. Silicon switching diode, 1n4148 datasheet, 1n4148 circuit, 1n4148 data sheet. Silicon epitaxial planar diode for various detector. Zener voltage z 1 10 100 1,000 1 10 100 v, zener voltage v fig. Complete technical details can be found at the datasheet give at the end of this page. A diode is a device which allows current flow through only one direction. Hermetically sealed glass with a stud on either side of the glass passivated chip provides excellent stability. Chanzon 1w zener diode assorted kit 30 values x 10pc 3v 3. Philips, alldatasheet, datasheet, datasheet search site for electronic components and semiconductors, integrated circuits, diodes, triacs, and other semiconductors. Smaller voltage tolerances and higher zener voltages are upon request. Thanks to the manufacturers because the main boards were printed zd which mean zener diode and d means a diode. Valid provided that device terminals are kept at ambient temperature. Nxp semiconductors product data sheet highspeed diodes 1n4148.
General purpose, industrial, military and space applications. By using an led and a zener diode we can create a circuit which gives turns on. Power is calculated by multiplying current by voltage pie, so we can calculate power dissipations for both the resistor and the zener diode quite easily. Forward surge current high speed silicon switching diodes, axial leaded. Zener impedance is measured at two points to insure a sharp knee on the breakdown curve and to eliminate unstable units. These diodes are also available in do35 case with the type designation bzx55c. Hermetically sealed glass with a stud on either side of the glass.
Zener diodes with specification sheets little diode. Please consult the most recently issued document before initiating or completing a design. Diotec semiconductor, 1n4148, small signal switching diodes. All of the above characteristics should be detailed in the datasheet for every diode. Download 1n4744a datasheet from central semiconductor. A datasheet might even present you with a very familiar looking currentvoltage graph, to further detail. You may also be interested in the following products 1n3999a zener diode, 10 watt 6. The 1n4148 is a standard silicon switching signal diode. Write down all circuit equations and simplify as much as possible 2. The 1n4148, ph4148 and 1n4448 are highspeed switching diodes fabricated in planar technology, and encapsulated in hermetically sealed leaded glass sod27 do35 packages. Connect two of these diodes in series between a 5v level device and a 3. Vishay, alldatasheet, datasheet, datasheet search site for electronic components and semiconductors, integrated circuits, diodes, triacs, and other semiconductors. Highspeed diodes, 1n4148 datasheet, 1n4148 circuit, 1n4148 data sheet. Both devices, however, do have a limit to the maximum.
The series consists of 22 types with nominal working voltages from 3. Download 1n4744a datasheet from bkc international electronics. Moisture sensitivity level msl for surface mount devices lead free measured at 260c reflow, non lead free at 235c reflow market leadtime weeks avnet 20200204 market leadtime weeks on semiconductor 20200201 on semiconductor. The 1n4148 is useful in switching applications up to about 100 mhz with a reverserecovery time of no more than 4 ns. Oct 16, 2019 quick access to diodes and rectifiers pdf datasheet. Elektronische bauelemente 1n4148w surface mount fast switching diode.350 1472 1376 653 515 610 907 833 880 226 1098 1478 359 1306 144 247 623 771 137 205 542 940 435 653 1212 1331 267 1261 50 449 453