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参数资料
| 型号： | MMBD2010T1 |
| 厂商： | ON SEMICONDUCTOR |
| 元件分类： | 二极管(射频、小信号、开关、功率) |
| 英文描述： | 0.2 A, 2 ELEMENT, SILICON, SIGNAL DIODE |
| 封装： | SC-70, 3 PIN |
| 文件页数： | 4/8页 |
| 文件大小： | 116K |
| 代理商： | MMBD2010T1 |
MMBD1010LT1 MMBD2010T1 MMBD3010T1
4
Motorola Small–Signal Transistors, FETs and Diodes Device Data
SOLDERING PRECAUTIONS
The melting temperature of solder is higher than the rated
temperature of the device. When the entire device is heated
to a high temperature, failure to complete soldering within a
short time could result in device failure. Therefore, the
following items should always be observed in order to
minimize the thermal stress to which the devices are
subjected.
Always preheat the device.
The delta temperature between the preheat and soldering
should be 100
°C or less.*
When preheating and soldering, the temperature of the
leads and the case must not exceed the maximum
temperature ratings as shown on the data sheet. When
using infrared heating with the reflow soldering method,
the difference should be a maximum of 10
°C.
The soldering temperature and time should not exceed
260
°C for more than 10 seconds.
When shifting from preheating to soldering, the maximum
temperature gradient should be 5
°C or less.
After soldering has been completed, the device should be
allowed to cool naturally for at least three minutes.
Gradual cooling should be used as the use of forced
cooling will increase the temperature gradient and result
in latent failure due to mechanical stress.
Mechanical stress or shock should not be applied during
cooling
* Soldering a device without preheating can cause excessive
thermal shock and stress which can result in damage to the
device.
SOLDER STENCIL GUIDELINES
Prior to placing surface mount components onto a printed
circuit board, solder paste must be applied to the pads. A
solder stencil is required to screen the optimum amount of
solder paste onto the footprint. The stencil is made of brass
or stainless steel with a typical thickness of 0.008 inches.
The stencil opening size for the surface mounted package
should be the same as the pad size on the printed circuit
board, i.e., a 1:1 registration.
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