SMDA12C-5.T datasheet(5/7 Pages) SEMTECH

tên linh kiện	SMDA12C-5.T

Giải thích chi tiết về linh kiện	Bidirectional TVS Array for Protection of Five Lines

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 2004 Semtech Corp.

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PROTECTION PRODUCTS

SMDA05C-5 THRU SMDA24C-5

Circuit Diagram

Connection Diagram

Device Connection for Protection of Five Data Lines

The SMDAxxC-5 is designed to protect up to 5 data or

I/O lines. They are bidirectional devices and may be

used on lines where the signal polarities are above and

below ground.

The SMDAxxC-5 TVS arrays employ a monolithic struc-

ture. Therefore, the working voltage (V

RWM) and break-

down voltage (V

BR) specifications apply to the differen-

tial voltage between any two data line pins. For ex-

ample, the SMDA24C-5 is designed for a maximum

voltage excursion of ±12V between any two data lines.

The device is connected as follows:

Pins 1, 2, 3, 4, and 5 are connected to the lines

that are to be protected. Pin 8 is connected to

ground. The ground connections should be made

directly to the ground plane for best results. The

path length is kept as short as possible to reduce

the effects of parasitic inductance in the board

traces. Pins 6 and 7 are not connected.

Circuit Board Layout Recommendations for Suppres-

sion of ESD.

Good circuit board layout is critical for the suppression

of ESD induced transients. The following guidelines are

recommended:

Place the TVS near the input terminals or connec-

tors to restrict transient coupling.

Minimize the path length between the TVS and the

protected line.

Minimize all conductive loops including power and

ground loops.

The ESD transient return path to ground should be

kept as short as possible.

Never run critical signals near board edges.

Use ground planes whenever possible.

Matte Tin Lead Finish

Matte tin has become the industry standard lead-free

replacement for SnPb lead finishes. A matte tin finish

is composed of 100% tin solder with large grains.

Since the solder volume on the leads is small com-

pared to the solder paste volume that is placed on the

land pattern of the PCB, the reflow profile will be

determined by the requirements of the solder paste.

Therefore, these devices are compatible with both

123

4

5

6

7

8

DATA IN

DATA OUT

DATA IN

DATA OUT

Applications Information

lead-free and SnPb assembly techniques. In addition,

unlike other lead-free compositions, matte tin does not

have any added alloys that can cause degradation of

the solder joint.

Số phần tương tự - SMDA12C-5.T

nhà sản xuất	tên linh kiện	bảng dữ liệu	Giải thích chi tiết về linh kiện
Semtech Corporation	SMDA12C-5	162Kb / 7P	Bidirectional TVS Array for Protection of Five Lines???
Micro Commercial Compon...	SMDA12C-5	131Kb / 2P	TRANSIENT VOLTAGE SUPPRESSOR
Microsemi Corporation	SMDA12C-5	94Kb / 2P	TVSarray Series
Sangdest Microelectroni...	SMDA12C-5	131Kb / 4P	SO-8
Shanghai Leiditech Elec...	SMDA12C-5	482Kb / 3P	TVS DIODE ARRAY FOR FIVE I/O LINES PROTECTION

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Mô tả tương tự - SMDA12C-5.T

nhà sản xuất	tên linh kiện	bảng dữ liệu	Giải thích chi tiết về linh kiện
Semtech Corporation	SMDA05CN-5	152Kb / 6P	Bidirectional TVS Array for Protection of Five Lines????
	SMDA05CN-5	150Kb / 6P	Bidirectional TVS Array for Protection of Five Lines
	SMDA05C-5	162Kb / 7P	Bidirectional TVS Array for Protection of Five Lines???
	SMDA05C-8	175Kb / 7P	Bidirectional TVS Array for Protection of Eight Lines????
	SMDA05C-7	176Kb / 7P	Bidirectional TVS Array for Protection of Seven Lines
	SMDA05C	167Kb / 7P	Bidirectional TVS Array for Protection of Four Lines
Shanghai Leiditech Elec...	SMDA15C-7	271Kb / 3P	Bidirectional TVS Array for Protection of Seven Lines
Semtech Corporation	SMDA05C	167Kb / 7P	Bidirectional TVS Array for Protection of Four Lines
	SMDA05C-8	165Kb / 7P	Bidirectional TVS Array for Protection of Eight Lines
	SMDA05C-7	165Kb / 7P	Bidirectional TVS Array for Protection of Seven Lines????

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