(5 ±1 seconds and charge/discharge not exceeding 50 mA)
5% (6.3 and 10 V), 3.5% (16 and 25 V) and 2.5% (50 V to 250 V)
See Insulation Resistance Limit Table
(Rated voltage applied for 120 ±5 seconds @ 25°C)
Parameters/Characteristics
Regarding aging rate: Capacitance measurements (including tolerance) are indexed to a referee time of 1,000 hours.
To obtain IR limit, divide MΩ-µF value by the capacitance and compare to GΩ limit. Select the lower of the two limits.
Capacitance and dissipation factor (DF) measured under the following conditions:
1 kHz ±50 Hz and 1.0 ±0.2 Vrms if capacitance ≤ 10 µF
120 Hz ±10 Hz and 0.5 ±0.1 Vrms if capacitance > 10 µF
Note: When measuring capacitance it is important to ensure the set voltage level is held constant. The HP4284 and Agilent E4980 have a feature known as
Automatic Level Control (ALC). The ALC feature should be switched to "ON."
Post Environmental Limits
High Temperature Life, Biased Humidity, Moisture Resistance
[i=s]This post was last edited by yhyworld on 2020-3-31 16:29[/i]The company resumed work on March 16.On Tuesday of the second week after resuming work (March 24), shortly after I went to work in the ...
[i=s]This post was last edited by STM32F103 on 2019-6-2 22:23[/i] I referred to the mmap development driver application in Xiaomei's video tutorial. Since I use the DE10-Nano board, I made three corre...
MSP430 remote upgrade function:
based on
1. External EEPROM (if the internal flash is large enough, it can also be used)
2. RF communication
3. Host computer software (transfer upgrade files)
Summary ...
Urgently looking for 28 x86 motherboard CE system industrial computers with wifi and wired network connection. Does anyone have them in stock? Thank you...
1. Introduction to Range Hood
1. Industry Background
The modern range hood originated in Europe. It is mainly used to quickly remove the waste from stove combustion and the fumes that are harmful to t...
The motor drive system is one of the key components of electric vehicles. The permanent magnet synchronous motor (PMSM) has excellent servo speed regulation performance, and removes the mechanical com...[Details]
Abstract: ACT24C021 is a power monitoring reset device produced by CATALYST Company in the United States. It integrates serial E2PROM, monitoring reset circuit, and watchdog timer. Using this ch...[Details]
Hot-swap protection circuits are often used in high-availability systems such as servers, network switches, and other forms of communication infrastructure. Such systems often require replacing a fau...[Details]
Try out new and cool products for free at the first time, and there are also many high-quality experts sharing their unique life experiences. Come to Sina Public Test to experience the most cutting-e...[Details]
On January 11, 2024, the China Automotive Power Battery Industry Innovation Alliance (referred to as the " Battery Alliance") released domestic power and energy storage battery sales and vehicle inst...[Details]
Abstract: Design a smart thermometer that meets special situations. Use Lingyang 16-bit single-chip microcomputer SPCE061A as the control core, use its UART port to realize networking function, and...[Details]
Apple Inc and its main supplier Foxconn are now producing the iPhone 13 in India, the company confirmed to Reuters, as it continues its push to diversify its product supply chain outside of China. ...[Details]
This article has three topics: FSMC configuration, a string of characters display principle, Chinese character display principle. . Let's get to the point. 1. FSMC configuration (the blogger uses FSM...[Details]
The circuit is very simple, so you don't need to draw it. Just connect a resistor to the P0 port and then connect 8 LED lights.
#include reg52.h //header file
/***********Macro definition************...[Details]
Copper indium gallium selenide (CIGS) thin film solar cells are a new type of photovoltaic cell product that has attracted much attention due to their high efficiency, no decay, radiation resistanc...[Details]
The 45th Tokyo Motor Show officially opened on the 27th. The world's major automobile manufacturers used the latest products and technologies to depict the blueprint for the development of the next...[Details]
Every MCU enthusiast and engineering development designer has had the experience of lighting up a marquee in the early years of contacting MCUs. From the excitement of seeing the rows of small lights...[Details]
0 Introduction
The predecessor of the insulation resistance tester is the megohmmeter, which is a special instrument used to measure the insulation resistance of electrical equipment such as ...[Details]
Motor Controller
Also called inverter. An integrated circuit device that controls the motor to work in a set direction, speed, angle, and response time. In electric vehicles, the function of t...[Details]
On November 6, it was reported that researchers at the University of Southampton in the UK are conducting a breakthrough experiment to test a drone equipped with an innovative "nervous system".
...[Details]