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1. Special silica gel

1. The speed is normal start (FR) and 6 minutes is the normal start time. 6V is D nano, forward voltage ~1V, forward current, forward ampere, the voltage damper developed by the company shows to the secondary side, and the resistance tube of the volt switch can be used to protect the circuit.

▲ Fast automatic (FRD)

2. Get up in the morning (SR starts to start quickly) ... , can be used for switching power supply output tubes, drive circuits, conduits in circuits.

▲ Ultrafast Diode (SRD)

3. The full name of Teschoke High Speed (SBD) is called Teky Potential—to a few, its voltage, low running time, high current, ultra-low semiconductor power belong to it, reverse recovery seconds, forward voltage drop To around 04V, the current current supports up to amps. It is especially suitable for conducting and freewheeling lamps in the output circuit of switching power supply.

▲ Schottky (SBD)

4. Transformer A new type of switch (TVS)----transient protector, with extremely fast speed and stable clamping voltage, is an overvoltage protection device, which can be used for power PWM to integrate its transient transient, MOS power devices and other voltage-sensitive semiconductor devices.

▲ Transient Voltage Suppression (TVS)

5. The switch tube is also called voltage overcurrent (DIAC) ---- two-terminal AC, which is matched with the protection tube to form the power output output circuit.

▲ Smartphone (DIAC)

2. Special performance device

1. Fusing fault resistor (FR)----Fusing resistor is also known as fuse resistor or fusible resistor. It has the functions of resistor and fuse. The device time is from a few seconds to several tens of seconds.

▲ Fusing resistor (FR)

2. Self-fuse recovery tube (RF) ---- also known as self-fuse, has the performance of automatic service, can be used many times without maintenance and replacement.

▲ Self-recovery fuse tube (RF)

3. Resistance----It belongs to the soft resistance temperature coefficient thermistor (NTCR), with low characteristics (1Ω~47), high rated power (10~500W), and large working current 1~10A), suitable for switching power supply start-up protection element.

▲ Soft start resistor

Voltage Dependent Resistor (VSR) ---- working voltage range (6V~300V, 4 voltage division range), fast response to overvoltage (nanoseconds to several nanoseconds), ability to withstand current impact leakage (leakage () Small) 1000), current (A to ten microamps) resistance temperature coefficient (several 0.05%, price accuracy.

Overvoltage protection circuits, circuits, surge voltage blocking circuits, etc. that can protect the power supply.

5. The voltage stabilizer (DCP) is matched with the switching voltage stabilizer, the liquid crystal voltage stabilizer ---- and the switching voltage stabilizer.

▲ Digital Potentiometer (DCP)

3. Thyristor

1. Directional transistor (SCR) - the gate and switch are used in a single way to form the protection circuit of the power supply.

▲ Unidirectional thyristor (SCR)

2. Switching voltage regulator input----can trim the overcurrent protection circuit on the power supply side.

▲ Switch thyristor (TRIAC)

4. Other

Optocouplers: The current ratio (CTR) to current input (If) characteristics of linear optocouplers have good linearity on small signal curves. During transmission, the output has a linear relationship with the output, which is suitable for combining the optical feedback circuit in the coupled switching power supply, and realizes the precise isolation of the secondary side and the primary side.

▲ Optocoupler

2. Earphone: In addition to the earphone, the external electromagnetic interference that the earphone cable can access;

Allegedly, the company has shown the product's standard to the outside, able to show the product's anti-jamming capability, showing the switch housing (EM).

3. Typical types are used in the perfect model range TL4431, allowing a wide range of precise selection of components such as capacitors, voltage regulators, power current sources, current sources, etc. within the selection range.

4. Magnetic beads: There are shapes, sheets, magnetic beads and magnetic beads, which can show the tubular interference of magnetic beads, magnetic beads and magnetic beads and magnetic beads. Spreading noise and spike interference.