within 5°C of the specified classification temperature (T
C
)
Ramp-down rate (T
p
to T
smax
)
Time 25°C to peak temperature
Reflow cycles
*Tolerance
for peak profile temperature (T
P
) is defined as a supplier minimum and a user maximum.
Sn-Pb Eutectic
Assembly
100°C
150°C
60 - 120 sec.
3°C/sec. max
183°C
60 - 150 sec.
see Table 1
20 sec.
6°C/sec. max
6 min. max
2 max
Pb-Free
Assembly
150°C
200°C
60 - 120 sec.
3°C/sec. max
217°C
60 - 150 sec.
see Table 2
30 sec.
6°C/sec. max
8 min. max
2 max
**Tolerance
for time at peak profile temperature (t
p
) is defined as supplier minimum and a user maximum.
ATTENTION:
Abracon LLC’s products are COTS – Commercial-Off-The-Shelf products; suitable for Commercial, Industrial and, where designated, Automotive Applications. Abracon’s products
are not specifically designed for Military, Aviation, Aerospace, Life-dependent Medical applications or any application requiring high reliability where component failure could result in loss of life
and/or property. For applications requiring high reliability and/or presenting an extreme operating environment, written consent and authorization from Abracon LLC is required. Please contact
The design method of analog IC is completely different from that of logic IC. In the past, Taiwan mainly developed logic IC, which resulted in insufficient training of analog IC talents. However, afte...
When using the STM8L051 chip, the two GPIO ports PC0 and PC1 cannot output high level normally, while other GPIOs can output normally. The high level of push-pull output is around 0.5V. The program is...
I wrote the following function: FILE * SaveResult(struct Result result) { FILE *fp; int i; /*-------create file to save result------------- */ if((fp = fopen("/tffs0/test_result","a+"))==NULL) { print...
If you want to group buy boards, you have to post. Haha. It's interesting.I bought an MSP430F5438 board two months ago. Who knew that I would fall in love with TI and 430 from then on. ^^I personally ...
I am using ce6, and the initial touch screen calibration configuration error is so large that I cannot open the control panel and click on the stylus. So I plan to modify the registry when compiling t...
In
circuit design,
current
measurement
is widely used, and the main fields are divided into three categories: in measurement,
the electric meter
is used to measure the curre...[Details]
Do you often have to add brake fluid to your car's brakes? The fact that you need to pump out the brake fluid to make sure there is no gas in the brake fluid line may not be done by the car owner h...[Details]
For a long time, due to the limitation of hardware conditions, the display devices of traditional small handheld devices such as PDA are usually monochrome LCD, and the user interface is very simpl...[Details]
0 Introduction
With the development of society, people pay more and more attention to security work. Monitoring products have been used in various fields instead of being used only in importan...[Details]
This article will introduce a design method for a distributed control system used in a tracking car, which can perform distributed control of motor modules, sensor modules, and lighting control mod...[Details]
Abstract: In order to realize wireless automatic alarm and monitoring of major safety places, based on the basic principle of pyroelectric infrared sensing, a detector for receiving infrared radia...[Details]
Among the uses of electrical energy, lighting accounts for a considerable proportion. Compared with the earlier ordinary incandescent lamps, the fluorescent lamps and energy-saving lamps we commonl...[Details]
Movpower is a portable power bank. It can charge most mobile phones and digital products, such as digital cameras, PDAs, and mobile phones such as Apple, iPod, Blackberry, Motorola, Samsung, Nokia,...[Details]
Energy conservation and environmental protection are the main directions of current automotive technology research, and power batteries are the key to electric vehicle technology. Research on powe...[Details]
Current sensing in automotive applications includes controlling the current through solenoids and injectors. For example, during diesel injection, we rapidly increase the current to the induction i...[Details]
Some people believe that hybrid vehicles are just a transitional product, and the ultimate goal of developing new energy vehicles is electric vehicles. Therefore, China should skip hybrid vehicles ...[Details]
1 Introduction
With the rapid development of my country's economy, the country has introduced a series of policies such as preferential policies, subsidy policies, and old-for-new policies, wh...[Details]
At present, products in the field of monitoring generally focus on the field level, that is, the client/server (C/S) model is adopted, the purpose of which is to ensure the stability and reliability o...[Details]
Multimedia applications such as mobile TV, mobile gaming, and audio playback present a huge challenge to power management design in mobile phones. Mobile phone designers need to keep the phone smal...[Details]
According to the National Shipbuilding Industry Economic Research Center, the total shipbuilding capacity in my country last year was about 9×106t. The new ship orders exceeded 17×106t, accounting ...[Details]