应该是压敏电阻，过压保护范围560V正负%10
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第1个回答 2009-07-08
TVR20561的说明(Description)
TVR20561
Third Generation HEXFETs from International Rectifier provide the designer with the best combination of fast switching, ruggedized device, low on-resistance and cost-effectiveness.
The HEXSence device provides an accurate fraction of the drain current through the additional two leads to be used for control or protection of the device. These devices exhibit similar electrical and thermal characteristics as their IRF-seriesequivalent part numbers. The provision of a kelvin source connection effectively eliminates problems of common source inductance when the HEXSence is used as a fast, high-current switch in non current-sensing applications.
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TVR20561 These high power 10 W Zener diodes represented by the JEDEC registered 1N2970 thru 1N3015B and 1N3993 thru 1N4000A series provide voltage regulation in a selection over a 3.9 V to 200 V broad range of voltages. They may be operated up to 10 W with adequate mounting and heat sinking with their low thermal resistance. These Zeners are also available in JAN, JANTX, JANTXV military qualifications. Microsemi also offers numerous other Zener products to meet higher and lower power applications. ...
TVR20561
The DAC7811 is a CMOS 12-bit current output digital-to-analog converter (DAC). This device operates from a 3.0 V to 5.5 V power supply, making it suitable to both battery-powered and many other applications.
This DAC uses a double-buffered 3-wire serial interface that is compatible with SPI™, QSPI, MICROWIRE™, and most DSP interface standards.In addition, a serial data out pin (SDO) allows for daisy-chaining when multiple packages are used.Data readback allows the user to read the contents of the DAC register via the SDO pin. On power-up, the internal shift register and latches are filled with zeroes and the DAC outputs are at zero scale.
The DAC7811 offers excellent 4-quadrant multiplication characteristics, with large signal multiplying bandwidth of 10 MHz. The applied external reference input voltage (VREF) determines the full-scale output current. An integrated feedback resistor (RFB) provides temperature tracking and full-scale voltage output when combined with an external current-to-voltage precision amplifier.
The DAC7811 is available in a 10-lead MSOP package as well as a small 10-lead SON package
TVR20561
Third Generation HEXFETs from International Rectifier provide the designer with the best combination of fast switching, ruggedized device, low on-resistance and cost-effectiveness.
The HEXSence device provides an accurate fraction of the drain current through the additional two leads to be used for control or protection of the device. These devices exhibit similar electrical and thermal characteristics as their IRF-seriesequivalent part numbers. The provision of a kelvin source connection effectively eliminates problems of common source inductance when the HEXSence is used as a fast, high-current switch in non current-sensing applications.
...
TVR20561 These high power 10 W Zener diodes represented by the JEDEC registered 1N2970 thru 1N3015B and 1N3993 thru 1N4000A series provide voltage regulation in a selection over a 3.9 V to 200 V broad range of voltages. They may be operated up to 10 W with adequate mounting and heat sinking with their low thermal resistance. These Zeners are also available in JAN, JANTX, JANTXV military qualifications. Microsemi also offers numerous other Zener products to meet higher and lower power applications. ...
TVR20561
The DAC7811 is a CMOS 12-bit current output digital-to-analog converter (DAC). This device operates from a 3.0 V to 5.5 V power supply, making it suitable to both battery-powered and many other applications.
This DAC uses a double-buffered 3-wire serial interface that is compatible with SPI™, QSPI, MICROWIRE™, and most DSP interface standards.In addition, a serial data out pin (SDO) allows for daisy-chaining when multiple packages are used.Data readback allows the user to read the contents of the DAC register via the SDO pin. On power-up, the internal shift register and latches are filled with zeroes and the DAC outputs are at zero scale.
The DAC7811 offers excellent 4-quadrant multiplication characteristics, with large signal multiplying bandwidth of 10 MHz. The applied external reference input voltage (VREF) determines the full-scale output current. An integrated feedback resistor (RFB) provides temperature tracking and full-scale voltage output when combined with an external current-to-voltage precision amplifier.
The DAC7811 is available in a 10-lead MSOP package as well as a small 10-lead SON package
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