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12 Volt Diode Voltage Regulator
Voltage Regulator?
I need a way to get 5 mA of DC power at 9 volts out of 25 A of DC power at 12 volts. Can I just run leads off of it and use 3.1V Zener diodes or will the current blow them out? If so, how can I do this?
If all you need is 5mA, a zener will work for this. A LM7905 voltage regulator will work much better though, and it will be more efficient.
I wouldn't worry about regulating the current. Regulate your voltage to 9V and your load will draw whatever current it needs, dependant on its resistance. Your suppy is 12V @ 25A, so you have plenty of overhead to work with. Yeap, get a LM7905 regulator, connect 12V to input, and your load to output, and connect the ground of your 12V supply, and your load, to the ground of your regulator.
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2500 Pcs ZMM12 SMT Zener Voltage Regulator Diodes 12V |  |
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Ers Fixed Voltage 12 Volt Regulator Economy Regulator, 12 Volt $43.94 Ers Fixed Voltage 12 Volt Regulator Economy Regulator, 12 Volt Balmar ERS Fixed Voltage 12 Volt Regulator - ECONOMY REGULATOR, 12 VOLT |
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Voltage Regulator $13.99 12 volt voltage regulator used by Baja winners For use with all standard halogen and quartz lights Precise voltage control, eliminates light burnout Reduces flickering and dimming Simple installation |
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MSR VOLTAGE REGULATOR $14.99 12 volt voltage regulator used by Baja winners.For use with all standard halogen and quartz lights.Precise voltage control, eliminates light burnout.Reduces flickering and dimming.Simple installation. |
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Sierra Voltage Regulator Field Relay Chrysler Inboard $117.99 Sierra Voltage Regulator Field Relay Chrysler Inboard . Replaces: 2095946 12 Volt 1961 - 70 - Model: B, D, X, M426 Hemi |
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Balmar Max Charge Digital 12 Volt Regulator $299.99 Balmar Max Charge Digital 12 Volt Regulator . The latest-generation voltage regulator features an easier-to-use programming interface and a new, faster processor that can respond more quickly to ensure that your batteries will charge more effectively and last longer. Exclusive Belt Load Management system allows the user to control the maximum charging output of the alternator to ensure that horsepower load does not exceed the limits of the drive belt. When used with optional alternator and battery temperature sensors (Alternator sensor: Model 128244, Battery Sensor, Model 128251, sold separately), the regulators will automatically monitor and respond to changes in alternator and battery temperatures, and will reduce or discontinue charging in order to protect the batteries and charging system. During initial programming, the user can choose between a short, basic display on the regulator s three-digit LED, or a long display mode that includes battery and alternator temperature readouts |
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Trail Tech Universal Voltage Regulator/Rectifier $53.99 Universal 150 Watt full wave voltage regulator/rectifier for 12 volt motorcycles and ATVs. Designed to rectify A.C. output current to D.C. voltage. Not a universal OEM replacement. For use in single phase applications. Does not work in dual or three phase applications Floated ground is required |
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Voltage Regulator by Crown Automotive for Jeep $58.99 Fits 1960 to 1971 CJ3B, CJ5 and CJ6;4-cylinder engine;12 volt system B |
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Balmar Max Charge Digital 12 Volt Regulator For Dual Alternator $289.99 Balmar Max Charge Digital 12 Volt Regulator For Dual Alternator . Regulating dual alternators on a single engine has never been easier. Multi-stage regulator provides two sets of terminal outputs, making it possible to connect a single regulator to two alternators at once and direct the combined output from both alternators to the same battery bank. Features, functions and programming options are the same as Model 12032983 (MC-614-H). The latest-generation voltage regulator features an easier-to-use programming interface and a new, faster processor that can respond more quickly to ensure that your batteries will charge more effectively and last longer. Exclusive Belt Load Management system allows the user to control the maximum charging output of the alternator to ensure that horsepower load does not exceed the limits of the drive belt. When used with optional alternator and battery temperature sensors (Alternator sensor: Model 128244, Battery Sensor, Model 128251, sold separately), th |
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Sierra Voltage Regulator Omc Sterndrive/cobra $74.99 Sierra Voltage Regulator Omc Sterndrive/cobra . Replaces: 383440 Prestolite: VSH-6201 AFY 12 Volt 1964 - 66 - Model: 110, 150 HP 1967 & Up - Model: 80, 90, 120, 140, 155, 165 ,175, 185, 190, 200, 210, 225, 230, 235, 250, 260 HP & 305, 350, 454 CID |
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1990-1992 Ford Escort Voltage Regulator Motorcraft Ford Voltage Regulator GR821 $56.27 motorcraft voltage regulator a high quality direct fit oe replacement voltage regulator replaces oe numbers ct842adod f1du10c359aa f1dz10c359a jk6841a4m5 with 12-month or 12 000-mile motorcraft limited warranty auto parts warehouse has extensive motorcraft voltage regulator catalogs.we are now offering free shipping on all motorcraft voltage regulator orders over $50.00. our secure motorcraft voltage regulator catalog is available every hour of everyday. shop with confidence for all your motorcraft voltage regulator needs. motorcraft voltage regulator are in stock and available today. save upto 60% off dealer price on your next motorcraft voltage regulator purchase. our online catalog contains a wide selection of the oem and aftermarket parts you need at unbeatable prices |
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Furman AR1215 Voltage Regulator $549.95 The Furman AR1215 Voltage Regulator is intended to protect electronic gear from problems caused by AC line voltage irregularities that can damage equipment. The Furman AR1215 accepts voltages from 97 to 141 volts and converts them to a constant 120 volts, +/-5V. It can handle loads up to 15 amps, as long as the input voltage is above 124 volts. The Furman AR1215 delivers a stable 120V +/-5VAC, eight outlets on the rear panel, and one on the front. Equipment is protected by instant shutdown when voltage is out of range. Plus low stray magnetic field leakage-ideal for audio/video applications. Furman AR1215 Voltage Regulator Features: Delivers a stable 120 ±5 VAC whenever the input AC line voltage is between 97V and 141V Eight outlets on the back panel, one on the front Output capacity 15 amps Eight-tap toroidal autoformer 10-LED bar-graph Input Voltage meter Extreme overvoltage/undervoltage causes instant shutdown, protecting equipment Extreme Voltage Shutdown indicator LED Output In Regulation indicator Low stray magnetic field leakage Made in USA The 15 amp Furman AR1215 AC Line Voltage Regulator is intended to protect audio, video, computer and other electronic equipment from problems caused by AC line voltage irregularities, brownouts, or over voltages that can cause sensitive digital equipment to malfunction, or in extreme cases to sustain damage. The Furman AR1215 is designed to provide a steady, stable 120 VAC output. It accepts any input voltage from 97V to 141V and transforms it to a constant 120V, ±5V. Voltages beyond that range may also be converted to usable levels, depending on how far out of range they are. The Furman AR1215 can handle loads totaling up to 15 amps as long as the input voltage is above 124 volts. For voltages below that level, its capacity must be derated at approximately .15 ampere per volt. The Furman AR1215 Voltage Regulator has been designed specifically with the unique needs of audio and video in mind. Its technology differs from that of computer-oriented voltage regulators in many important ways. The AR1215 does not use a ferro-resonant transformer, which would be heavy and bulky, radiate a large magnetic field, and be too frequency-sensitive to be usable with generators. Instead, it uses a use a design based on an eight-tap toroidal autoformer. The toroidal design assures minimal leakage of stray magnetic fields. The AR1215 circuitry monitors the incoming line voltage with each cycle, comparing it to an extremely precise voltage reference, accurate to ±0.15%. If a voltage fluctuation requires that a different tap be selected, the new tap is electronically switched exactly at the zero-crossing, to avoid distorting the AC waveform. (Most commercial voltage regulators using multiple-tapped transformers switch taps at uncontrolled times, thereby creating voltage spikes, and often creating clicks that can leak into the audio.) Hysteresis of 1.5V in the switching circuits avoids chatter. The design |
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Regulator 12 volt by Omix-Ada for Jeep $77.99 1960-71 CJ3B, CJ5 and CJ6;4-cylinder engine JEEP CJ-2A CJ-3A CJ-3B CJ5 CJ6 1946 1947 1948 1949 1950 1951 1952 1953 1954 1955 1956 1957 1958 1959 1960 1966 1967 1968 1969 1970 1971 2.2L (134) 3.1L Diesel (192) 3.7L Dauntless (225) DIESEL GAS Regulator 12 volt by Omix-Ada for Jeep |
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WSM Voltage Regulator $50.99 WSM Voltage Regulator |
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how to convert from 6 volt to 12 volt
Voltage regulators and controllers. or power supply?
I'm making a DC to DC power supply. 12-16 volt input to 12 volt output. I'm using the simple zener diode and resistor set up but I want the circuit to simply turn off when the input becomes lower then 12 volts. Am I gonna have to get into amplifiers or is there still a way to do it with solid state components.
Thanks.
You might gotta go for LM317
The input voltage will be fed into the regulator, and the V out from the regulator will be connected to a R1 and C2 the C2 will be in Parallel with C1 connected to Vin. and the R1 in series with R2 connected to earth.
the calculation will be
Vout=1.25V(1+R2/R1)+IR2
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