20-pin SOIC-W, 19 Bussed Resistors; 100% tin (Pb-free) terminations
Absolute TCR Code
00 = ±250ppm/°C; 01 = ±100ppm/°C
02 = ±50ppm/°C; 03 = ±25ppm/°C
Resistance Code
4-Digit Resistance Code
Ex: 1002 = 10K , 50R1 = 50.1
(The USA style coding shown is preferred, but, historically, European style coding (e.g. 10K) may have been used.)
Absolute Tolerance Code
J = ±5%; G = ±2%; F = ±1%; D = ±0.5%
C = ±0.25%; B = ±0.1%
Optional Ratio Tolerance Code
G = ±2%; F = ±1%; D = ±0.5%;
C = ±0.25%; B = ±0.1%; A = ±0.05%
Packaging
Specify tubes or tape & reel.
Tape and reel packaging is compliant with EIA-481-D: 8 mm through 200 mm Embossed Carrier Taping and 8 mm and 12 mm Punched Carrier Taping of Surface Mount Components
for Automatic Handling.
Tube packaging drawing detail available upon request.
The price of TPS54340 has risen from 3.5 to 15 yuan. Now 431 is used as the reference and loop, 5 BJTs are used for PWM+DRV, and NMOS is promoted. The replacement cost is 1.2 yuan. The efficiency is e...
For bidirectional DC converters, some tubes have large voltage ringing spikes when boosting, but the voltage is much improved when stepping down, and the opposite is true for some tubes. In addition t...
I would like to ask how to calculate the resistance value and choose the model of the resistor? I only know that this should use the RC discharge curve to calculate the resistance value and power? I d...
Verilog HDL is a language used for digital logic circuit design. The circuit design described by Verilog HDL is the Verilog HDL model of the circuit. Verilog HDL is both a behavioral description langu...
Anyone who has used SIwave knows that the software does not support direct import from Altium and needs to be converted to anf, but exporting from Altium to anf is very troublesome.
Today I found a si...
Digital Pre-Distortion ExplainedDigital pre-distortion technology has been initially developed in software implementation. At present, general pre-distortion technology adopts software architecture, u...
The circuit connection is shown in the figure below: 89C51's P31 pin (TXD) is connected to 24C01's SCL pin as the clock input. 89C51's P30 pin (RXD) is connected to 24C01's SDA pin as the data read...[Details]
With the rise of global environmental awareness, energy saving and power saving have become the current trend. The LED industry is one of the most watched industries in recent years. So far, LED produ...[Details]
After the official power-on of Silan Microelectronics' 12-inch specialty process semiconductor chip project on May 10, process equipment will also begin to move in. According to Jiwei.com, yesterday ...[Details]
1. Functions of Oilfield Automatic Monitoring System
Since the water injection pump must be pumped day and night to inject water, in order to ensure the normal operation of the water injection pump s...[Details]
I won't talk about the jtag line. Connect the jlink's Vref, GND, TMS, and TCK to the SW interface respectively. For STM32F103RCT6: TMS--PA12, TCK--PA14. The settings in KEIL MDK are as shown in the f...[Details]
Jiwei.com News: The 5th Jiwei Summit 2021 will be held in Haicang, Xiamen from June 25 to 26. The theme of this summit is "The Heart and the Core are in the Same Place, Changes are Like Kunpeng", wit...[Details]
Recently, the China Academy of Information and Communications Technology published the "2018 Satellite Navigation Market Overview and Development Forecast", reporting that in 2018, the total demand f...[Details]
If EA = 1; is added before the statement TI = 1;, the following warning will appear: * error 65: access violation at C:0x0023: no 'execute/read' permission This warning means that the program has ...[Details]
According to Taiwan media Liberty Times, although Apple has begun using USB Type-C on Mac, iPad and some Beats headphones, whistleblower Jon Prosser believes that Apple will never change the iPhone f...[Details]
Gas chromatography is a chromatographic method that uses gas as the mobile phase. It has developed rapidly in the past two decades and has now become a very important independent branch of chromatog...[Details]
1. The code of the operating system software cannot be too long
Because the system hardware resources of the 51 series microcontrollers are relatively scarce, if the code of the operating syste...[Details]
The figure shows a simple series type adjustable voltage regulated power supply, the output voltage can be continuously adjusted between 3~9V, the maximum output current can reach 100MA, suitable for...[Details]