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backward diode wikipedia jump to content main menu main menu move to sidebar hide navigation main page contents current events random article about wikipedia contact us contribute help learn to edit community portal recent changes upload file special pages search search appearance donate create account log in personal tools donate create account log in contents move to sidebar hide top 1 current voltage characteristics of backward diode 2 applications of backward diodes 3 references toggle the table of contents backward diode 10 languages azərbaycanca català čeština dansk deutsch فارسی bahasa indonesia 한국어 polski русский edit links article talk english read edit view history tools tools move to sidebar hide actions read edit view history general what links here related changes upload file permanent link page information cite this page get shortened url switch to legacy parser print export download as pdf printable version in other projects wikimedia commons wikidata item appearance move to sidebar hide from wikipedia the free encyclopedia the schematic symbol for the backward diode 1 annotated to show which side is p type and which is n current flows most easily from n to p backward relative to the arrow backward diode symbol according to ieee 315 in semiconductor devices a backward diode also called back diode 2 is a variation on a zener diode or tunnel diode having a better conduction for small reverse biases for example 0 1 to 0 6 v than for forward bias voltages the reverse current in such a diode is by tunneling which is also known as the tunnel effect 3 4 5 current voltage characteristics of backward diode edit band diagram of a backward diode electron energy is on the vertical axis position within the device is on the horizontal axis the backward diode has the unusual property that the so called reverse bias direction actually has more current flow than the so called forward bias the forward i v characteristic is the same as that of an ordinary p n diode the breakdown starts when reverse voltage is applied in the case of zener breakdown it starts at a particular voltage in this the voltage remains relatively constant independent of current when it is connected in reverse bias the backward diode is a special form of tunnel diode in which the tunneling phenomenon is only incipient and the negative resistance region virtually disappears the forward current is very small and becomes equivalent to the reverse current of a conventional diode applications of backward diodes edit detector since it has low capacitance and no charge storage effect 4 and a strongly nonlinear small signal characteristic the backward diode can be used as a detector up to 40 ghz rectifier a backward diode can be used for rectifying weak signals with peak amplitudes of 0 1 to 0 7 v switch a backward diode can be used in high speed switching applications references edit stanley william amos roger s amos 1999 newnes dictionary of electronics newnes isbn 0 7506 4331 5 paul horowitz winfield hill 1989 the art of electronics 2nd edition p 891 bibcode 1989arel book h anwar a khan and kanchan k dey 2006 a first course in electronics prentice hall of india isbn 81 203 2776 4 1 2 s l kakani 2004 electronics theory and applications new age intl ltd isbn 81 224 1536 9 karlheinz seeger 2004 semiconductor physics an introduction springer isbn 3 540 21957 9 v t e electronic components semiconductor devices mos transistors transistor nmos pmos bicmos biofet chemical field effect transistor chemfet complementary mos cmos depletion load nmos fin field effect transistor finfet floating gate mosfet fgmos insulated gate bipolar transistor igbt isfet ldmos mos field effect transistor mosfet multi gate field effect transistor mugfet power mosfet thin film transistor tft vmos umos qfet tunnel field effect transistor tfet high electron mobility transistor hemt rf cmos native transistor other transistors bipolar junction transistor bjt darlington transistor diffused junction transistor field effect transistor fet junction gate fet jfet organic fet ofet light emitting transistor let pentode transistor point contact transistor programmable unijunction transistor put static induction transistor sit tetrode transistor nanoscale vacuum channel transistor nvct single electron transistor set heterojunction bipolar transistor hbt mesfet heterostructure emitter bipolar transistor hebt itfet avalanche transistor junctionless nanowire transistor jlnt schottky transistor spin transistor ballistic collection transistor ballistic deflection transistor bdt drift field transistor organic electrochemical transistor oect spacistor surface barrier transistor synaptic transistor oxide thin film transistor nomfet grown junction transistor eosfet alloy junction transistor fe fet dna field effect transistor dnafet diodes avalanche diode shockley diode selenium rectifier fast diode single photon avalanche diode spad constant current diode cld crd gunn diode varicap impatt diode metal insulator metal diode mim diode transient voltage suppression diode tvs diode laser diode ld light emitting diode led organic light emitting diode oled photodiode pin diode p n diode tunnel diode avalanche photodiode apd solar cell multi junction solar cell mj hybrid solar cell schottky junction solar cell plasmonic solar cell heterojunction solar cell hjt schottky diode step recovery diode srd zener diode resonant tunneling diode rtd photoreflector backward diode geometric diode lr diode chua s diode baritt diode stabistor phosphorescent organic light emitting diode pholed thin film diode superluminescent diode sld josephson diode hole accumulation diode had silicon photomultiplier sipm metal rectifier bifacial solar cells bsc integrated circuits hybrid integrated circuit hic mixed signal integrated circuit mos integrated circuit mos ic three dimensional integrated circuit 3d ic photonic integrated circuit pic application specific integrated circuit asic field programmable gate array fpga system on a chip soc other devices diac heterostructure barrier varactor light emitting capacitor lec memistor memristor memtransistor memory cell metal oxide varistor mov organic semiconductor photodetector silicon controlled rectifier scr silicon controlled switch scs solaristor static induction thyristor sith thyristor trancitor triac varicap vertical cavity surface emitting laser vcsel gate turn off thyristor gto integrated gate commutated thyristor igct unijunction transistor ujt quantum cascade laser qcl photoresistor quantum dot display quantum dot solar cell photoelectrochemical cell dye sensitized solar cell plasmonic solar cell quantum dot laser quadrac interband cascade laser icl oscillistor mos composite static induction thyristor csmt mos controlled thyristor mct resistive opto isolator ro emitter turn off thyristor eto trisil quantum well infrared photodetector qwip quantum cascade detector qcd resonant cavity enhanced photo detector rce golay cell hybrid pixel detector semiconductor detector voltage regulators linear regulator low dropout regulator switching regulator buck boost buck boost split pi ćuk sepic charge pump switched capacitor vacuum tubes standard acorn tube audion beam tetrode barretter compactron diode fleming valve neutron tube nonode nuvistor pentagrid hexode heptode octode pentode photomultiplier pmt phototube tetrode triode x ray tube double diode triode additron tube computron tube micropup rf backward wave oscillator bwo cavity magnetron crossed field amplifier cfa gyrotron inductive output tube iot klystron maser sutton tube traveling wave tube twt vircator cathode ray tubes beam deflection tube charactron iconoscope magic eye tube monoscope selectron tube storage tube trochotron video camera tube williams tube gas filled tubes crossatron dekatron ignitron krytron mercury arc valve nixie tube thyratron trigatron voltage regulator tube geiger müller tube wire chamber neon lamp adjustable potentiometer digital variable capacitor varicap passive connector audio and video electrical power rf ferrite antifuse fuse resettable efuse resistor switch thermistor varistor reactive capacitor types ceramic resonator crystal oscillator inductor relay reed relay mercury relay other devices hall effect sensor squid spin valve magnetic tunnel junction mtj planar hall sensor ggnmos retrieved from https en wikipedia org w index php title backward_diode oldid 1351252751 category diodes this page was last edited on 26 april 2026 at 21 56 utc page was rendered with parsoid text is available under the creative commons attribution sharealike 4 0 license additional terms may apply by using this site you agree to the terms of use and privacy policy wikipedia is a registered trademark of the wikimedia foundation inc a non profit organization privacy policy about wikipedia disclaimers contact wikipedia legal safety contacts code of conduct developers statistics cookie statement mobile view search search 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