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  • SBT-420AT Lightening Protection Socket

    2016-09-20 05:27:3560

    Functions and features:SBT-420AT lightening protection socket has features of large current capacity, low residual voltage, over current insurance, hig...

  • Freeze Protector Circuit

    2016-09-20 04:37:1961

    This is the simple freeze protector circuit diagram. It is also called timing circuit . It is just hobby project for beginners. When you need to operat...

  • Thermal protection system circuit composed of MIC2951

    2016-09-20 03:53:3462

    Thermal protection system circuit composed of MIC2951 is shown as above. The temperature threshold of the circuit is set by the adjustment of R2....

  • Circuit Fault Protection with Very Fast Latching Load Discon

    2016-09-20 03:01:4060

    View Full Size Image View Original Datasheet The LT6108 is a complete high side current sense device that incorporates a precision current sense amplif...

  • Freeze Protector Circuit

    2016-09-20 02:29:4863

    This is the simple freeze protector circuit diagram. It is also called timing circuit . It is just hobby project for beginners. When you need to operat...

  • AUTOMATIC_POWER_DOWN_PROTECTION_CIRCUIT

    2016-09-20 02:18:4861

    This circuit is faster than a fuse and automatically resets itself when a short is removed. The normal regulated dc input line is opened and the photot...

  • Relay_contact_protection_that_uses_a_triac

    2016-09-20 02:06:5661

    This circuit prevents relay-contact arcing for loads up to 50 A (many 5-A relays can be used for a 50-A load with this circuit). Using the values shown...

  • Opto-electrical isolator input protection circuit

    2016-09-20 01:55:2760

    This circuit combines diode with transistor, when the input voltage is in the range of DC 3~30V, the input current of MOC3011 photoelectric isolator LE...

  • Eyesight Protecter (the 3rd)

    2016-09-20 01:02:0160

    Work of the circuitThe circuit consists of power circuit, infrared launching circuit, infrared reception and amplifying circuit, light examining circui...

  • Nicad-batterv-protection-circuit

    2016-09-19 23:48:3862

    If a NiCad battery is discharged to a point at which the lowest capacity cell becomes fully discharged and reverses polarity, that cell will usually sh...

  • Loudspeaker Protection and Muting (MC1496BDG)

    2016-09-19 21:48:3262

    This article describes the Loudspeaker Protection and Muting (MC1496BDG). The content is very simple, very helpful. Components in this article can help...

  • 555 voltage double hresholds automatical protector circuit

    2016-09-19 19:35:5860

    The hypotension rectifier circuit provides IC and relay protection circuit with VDD=11V voltage source. 555 and sample network are connected into RS tr...

  • TRANSISIOR_OVERLOAD_PROTECTION

    2016-09-19 18:53:0860

    Current greater than 3 amp flowing through 0.47-ohm resistor in emitter of current-switching transistor Q1 drops voltage on base of Q2, causing Q2, Q3,...

  • OVERLOAD_PROTECTION_WITH_RIPPLE_CLIPPING

    2016-09-19 16:12:3060

    Power transistor interrupts load when current exceeds safe limit, and also serves as part of ripple dipper.-J. J. Rado, Versatile SCR Protection for Po...

  • Protection For Voltage Regulators(BDV65B)

    2016-09-19 16:00:3660

    This article describes the Protection For Voltage Regulators (BDV65B). The principle is very simple, very practical. The circuit components can help yo...

  • The over-voltage protection circuit (1)

    2016-09-19 15:27:4763

    The over-voltage protection circuit is as shown in the figure. This circuit uses the photoelectric coupler's on-off to control the device. When the vol...

  • Fast Response Power Supply Protection

    2016-09-19 15:22:2261

    This Fast response power supply protection circuit is used to protect regulated power supply from the risks of undervoltage and overvoltage condition.W...

  • DC meter protection amplification circuit made by LM10 and o

    2016-09-19 13:33:1961

    The picture 1 is a DC meter protection amplification circuit and is made up of LM10 and others. It is a kind of DC meter protection amplification circu...

  • MC3423 overvoltage protection circuit, main features and pin

    2016-09-19 13:09:0662

    MC3423/3523 over-voltage protection circuitIt is a controllable circuit which is used for external arc extinction to detect over-voltage of main power ...

  • Over-voltage protection circuit with the automatic reset fun

    2016-09-19 12:57:0362

    This circuit is composed of the power supply circuit, the trigger starting circuit and the control circuit, it controls the load RL to turn on and off ...

  • LED Open-circuit Protective Circuit

    2016-09-19 11:19:2460

    As you can see,italmost has no impact on the receiving sensitivity of mobile phones that whether CP2126 works or not .But if the chip X is at work,the ...

  • TURN - ON DELAY & LOUDSPEAKER PROTECTION

    2016-09-19 10:53:3560

    Circuit diagram Copyright Audio kit amplifier circuit diagrams. All rights reserved....

  • POLARITY_PROTECTOR

    2016-09-19 10:36:3160

    The use of a four-diode bridge guarantees correct polarity irrespective of input dc polarity. Remember that two diode drops (about 1.2 to 1.5 V) are lo...

  • Discrete Overvoltage Protector for Automotive Application

    2016-09-19 10:14:0960

    This is a circuit of discrete overvoltage protector for automotive application. There are two basic thing that must be done by protection circuit. They...

  • Logic PSU With Over-Voltage Protection(LM7805C)

    2016-09-19 10:10:4863

    This article describes the Logic PSU With Over-Voltage Protection (LM7805C). The principle is very simple, very practical. The circuit components can h...

  • SCR Positive Overvoltage Protection Circuit

    2016-09-19 09:30:4160

    In most power supplies there is a series regulating element, such as a transistor or aFET. On one side there is normally a relatively high voltage, and...

  • Comprehensive protector belt circuit composed of 555

    2016-09-19 09:25:1260

    Start upcircuit is composed of the start button QA, IC1 (555), IC2 (555), J1 and so on. When you press the QA, the +12 V voltage output by the buck rec...

  • The internal structure diagram and the protection circuit of

    2016-09-19 08:43:2661

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  • Triac relay contact protection

    2016-09-19 06:55:0965

    This circuit can be used to prevent relay contact arcing for loads up to 50 amperes. There is some delay between the time a relay coil is energized and...

  • Overload speaker protection circuit

    2016-09-19 06:47:4864

    The circuit input is taken from the terminal loudspeaker or amplifier output jacks. If the right channel is large enough to charge C1 to a potential wh...

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