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PDF ESDA5V3SC6 Data sheet ( Hoja de datos )
| Número de pieza | ESDA5V3SC6 | |
| Descripción | QUAD TRANSIL ARRAY FOR ESD PROTECTION | |
| Fabricantes | STMicroelectronics | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de ESDA5V3SC6 (archivo pdf) en la parte inferior de esta página. Total 7 Páginas | ||
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®
Application Specific Discretes
A.S.D.
ESDAxxSC5
ESDAxxSC6
QUAD TRANSIL ARRAY
FOR ESD PROTECTION
APPLICATIONS
Where transient overvoltage protection in ESD
sensitive equipment is required, such as :
-COMPUTERS
- PRINTERS
- COMMUNICATION SYSTEMS
- GSM HANDSETS AND ACCESSORIES
- OTHER TELEPHONE SET
FEATURES
n 4 UNIDIRECTIONAL TRANSIL FUNCTIONS
n LOW LEAKAGE CURRENT: IR max. < 20 µA at
VBR
n 500 W PEAK PULSE POWER (8/20 µs)
DESCRIPTION
The ESDAxxSC5 and ESDAxxSC6 are monolithic
voltage suppressors designed to protect
components which are connected to data and
transmission lines against ESD.
They clamp the voltage just above the logic level
supply for positive transients, and to a diode drop
below ground for negative transient.
SOT23-5L (SC-59)
ESDAxxSC5
SOT23-6L (SC-59)
ESDAxxSC6
FUNCTIONAL DIAGRAM
SOT23-5L
15
2
34
BENEFITS
High ESD protection level : up to 25 kV
High integration
Suitable for high density boards
COMPLIES WITH THE FOLLOWING STAN-
DARDS:
IEC61000-4-2 : level 4
SOT23-6L
1
2
MIL STD 883C-Method 3015-6 : class3
(human body model)
3
6
5
4
March 2000 Ed: 5D
1/7
1 page  
ESD protection by ESDAXXXSCX
Electrostatic discharge (ESD) is a major cause of
failure in electronic systems.
Transient Voltage Suppressors (TVS) are an ideal
choice for ESD protection. They are capable of
clamping the incoming transient overvoltage to a
low enough level such that damage to the
protected semiconductor is prevented.
ESDAxxSC5 / ESDAxxSC6
They serve as parallel protection elements,
connected between the signal line and ground. As
the transient rises above the operating voltage of
the device, the TVS array becomes a low
impedance path diverting the transient current to
ground.
Surface mount TVS arrays offer the best choice for
minimal lead inductance.
I/ O LINES
ESD
sensitive
device
GND
ESDA6V1SC6 (1connection to GND for ESDAxxSC5)
The ESDAxxSCx array is the ideal board level
protection of ESD sensitive semiconductor
components.
The tiny SOT23-5L and SOT23-6L packages allow
design flexibility in the high density boards where
the space saving is at a premium. This enables to
shorten the routing and contributes to hardening
against ESD.
ADVICE FOR OPTIMIZING CIRCUIT BOARD
LAYOUT
Circuit board layout is a critical design step in the
suppression of ESD induced transients. The
following guidelines are recommended :
n The ESDAxxSC5/6 should be placed as close as
possible to the input terminals or connectors.
n The path length between the ESD suppressor
and the protected line should be minimized
n All conductive loops, including power and
ground loops should be minimized
n The ESD transient return path to ground should
be kept as short as possible.
n Ground planes should be used whenever possi-
ble.
5/7
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| Páginas | Total 7 Páginas | |
| PDF Descargar | [ Datasheet ESDA5V3SC6.PDF ] | |
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