Features of 4148 Diode (Pack Of 5): High switching speed: max. … However, above an extent the temperature may have some affect on the device as indicated in the graph below: It shows the zener diode temperature coefficient curve. If you have a 5V zener diode, and you apply 9 volts backwards across it, it will conduct. Hand in hand, tide over the difficulties. Since Vout is connected ACROSS the diode, then that means the voltage on the output will be the same as the voltage drop, or 5V. Lieferung an Abholstation. For the circuit shown in Fig. (t rr = 4.0 ns max) • High reliability with glass seal. It works in such a way the reverse-biased can also work in breakdown conditions. Our buyer shipping destination to know more our market area. st4148 zener diode, You can get more details about from mobile site on m.alibaba.com. Privacy Policy Here we will discuss the working of Zener diode as voltage regulator. Zener Diode as Voltage Stabiliser. The Zener diode of zener voltage VZ is reverse connected across the load RL across which constant output is desired. Alibaba.com offers 427 st 4148 diode zener diode products. $0.0035 - $0.01 . High temperature soldering guaranteed: 250 C/10 seconds at terminals. Alibaba.com Site: International - Español - Português - Deutsch - Français - Italiano - हिंदी - Pусский - 한국어 - 日本語 - اللغة العربية - ภาษาไทย - Türk - Nederlands - tiếng Việt - Indonesian - עברית, AliExpress However, its voltage drop (that is, the voltage dropped across it) will be its zener voltage (in this case, 5V). HFZT do the donation to Poverty area/Orphanage/Homes for the elderly every year. Taobao Global oder Preisvorschlag. The supplier’s transactions conducted via Alibaba.com in the past 6 months. Anode Cathode band 1 2 H 48. Your email address will not be published. 0 Gebote. Inverhyt, davenn, Cannonball and 2 others like this. Get Latest Price Trade Assurance. Required fields are marked * Comment. | It can, therefore, be represented by a battery of 50 V as shown in Fig. More on shipping and other trade services. R = 50 i Ω SAMPLING OSCILLOSCOPE MGA881 (1) IR = 1 mA. Finden Sie Hohe Qualität St4148 Zener Diode Hersteller St4148 Zener Diode Lieferanten und St4148 Zener Diode Produkte zum besten Preis auf Alibaba.com We share happiness and sorrow.Give some love and build a community together. Therefore, this allows the series pass transistor to regulate the output voltage appropriately. Fig.8 Forward recovery voltage test circuit and waveforms. | Suppliers Although at higher voltages the coefficient curve responds at around 0.1% per degree Celsius, it moves … Order : 5000 Pieces st4148 zener diode . handbook, full pagewidth trr (1) IF t output signal tr t tp 10% 90% VR input signal V = V I x RRF S R = 50 S Ω I D.U.T. Min. -Advanced brand:Lujing semiconductor,smart future, -Certification Assurance:ISO 9001:2008,ISO14001:2004, -Cost Performance:best price,best performance,best  promise. Zener Diode VISHAY | 500mW | 10/25/50/100 Stück | Spannung 2,4V - 75V | Dioden. Mit Zenerdioden kann ein stabilisierter Spannungsausgang mit geringer Restwelligkeit bei wechselnden Laststrombedingungen erzeugt werden. But when it is reverse biased above a certain voltage known as zener breakdown voltage or zener voltage or avalanche point or zener knee voltage the voltage remains constant for a wide range of current.. Clarence Zener is the scientist who discovered this electrical property and the device is … Cathode 2. Inductance & Magnetism. As the voltage across the zener diode has always a constant for any applied voltage values above the zener voltage, it can obtain a fixed voltage value in a circuit that has a variable or fluctuating power supply. A wide variety of st 4148 diode zener diode options are available to you, such as brand name, max. Therefore, the 12-volt power supply drops 5.1V and the voltage across the zener remains constant at this voltage. - Terms of Use The zener diode can be used as a type of switch, within a circuit. reverse voltage 75 V (right) which incidentally is the reverse voltage of a 1N4148 . Continuous reverse voltage: max. | Showroom It is connected to the positive terminal of the d.c. Last edited: Feb 22, 2018. Close. Alipay Feb 22, 2018 #3. Built-in order protection service in alibaba.com. | It only requires a single resistor for configuring a zener diode based voltage regulator stage, and can be quickly added to any circuit for the intended results. Kostenloser Versand. Zener diodes or voltage reference diode values are normally spaced using the E12 series, although some are available in the E24 series, e.g 5V1 used for a number of logic chips where is very simple Zener regulator is used. Leave a Reply Cancel reply. Its name follows the JEDEC nomenclature. 450 mA. Zener Diode is a general purpose diode, which behaves like a normal diode when forward biased. Cannonball. Electronic Components, Accessories & Telecommunications, fresh products 7-15 working days after order confirmation, TB(Tape & Box), Tape Size: 52 mm, Box Size: 255*80*140 mm ,Carton Size: 430*280*310/365*365*360 mm. Zener diodes are available in the range from 3V to 200 Volts. 1N4148 Equivalent Diodes . 100 V. Repetitive peak forward current: max. 1(ii) (i) Referring to Fig. For product pricing, customization, or other inquiries. Fig. Please contact Our Service department. Lazada, Browse Alphabetically: May 6, 2017. Zener diodes are easy to configure and can be used to get a reasonably accurate stabilized output under all circumstances. EUR 1,79 bis EUR 7,89. About 1% of these are Diodes, 0% are Integrated Circuits. Zener diodes are very handy where low current, constant voltage regulation is required. What is Zener Diode2. Product quality . Produktart: Zener-Diode. Reply. 100 V. Repetitive peak reverse voltage: max. When you look into the details (on alibaba's website) it states zener diode (wrong) but max. Zener Diode for Reference ADC Voltage Hello, I am powering a pic16f777 with ~3 volts (2 1.5V AAA batteries) and looking to generate a reference voltage for my 10 bit ADC with a single zener diode and a resistor. All rights reserved. Fig.2. If Customer need other spec. HFZT st4148 zener diode 1N4148 DO-35 500mW 0.15A 75V 4.0ns 1.5000/box, 50000/carton 2.we will arrange suitable package term according to the quantity of buyer's order or special requirement. Enterprise Get Benefit from Society,Must return back to Society. EUR 8,00 Versand. (C = 4.0 pF max) • Short reverse recovery time. Breakdown voltage IR = 100 μA, tp/T = 0.01, tp = 0.3 ms V(BR) 100 V Diode capacitance VR = 0 V, f = 1 MHz, VHF = 50 mV CD 4pF Rectification efficiency VHF = 2 V, f = 100 MHz ηr 45 % Reverse recovery time IF = IR = 10 mA, iR = 1 mA trr 8ns IF = 10 mA, VR = 6 V, iR = 0.1 x IR, RL = 100 Ω trr 4ns 0 0.2 0.4 0.6 0.8 1.2 V- Forward Voltage (V) F Along with voltage and load parameters, Zener diodes are also quite resistant to temperature variations around them. PH4148 Datasheet PDF - 100V, 200mA, Zener Diode, Rectifier, PH4148 pdf, PH4148 pinout, PH4148 equivalent, PH4148 replacement, PH4148 schematic, manual. | One of the main applications of a zener diode in circuits is it can be used to obtain constant reference voltage values. Zener diode voltage reference circuit. High-speed diodes 1N4148; 1N4448 Fig.7 Reverse recovery voltage test circuit and waveforms. Onetouch Zener diode voltage-current characteristic The Zener diode has a normal forward characteristic where the current rises after the initial turn-on voltage is reached. Regarding the declared value for customs clearance, we are pleased to follow your wishes, just feel free to inform us when ordering. Aim to be the best reliance semiconductor supplier of china. The 1N4148 is useful in switching applications up to about 100 MHz with a reverse-recovery time of no more than 4 ns. 1688.com forward current, and max. This is a voltage regulator circuit. Through check Transaction Time. Related Post: Zener Diode & Zener Voltage Regulator Calculator; The main difference is the way in which the regulator voltage is applied to the base of the transistor. 6.56 (i). 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Zenerdioden kann ein stabilisierter Spannungsausgang mit geringer Restwelligkeit bei wechselnden Laststrombedingungen erzeugt werden 's voltage rating, a.