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PDF UMD05-523 Data sheet ( Hoja de datos )
| Número de pieza | UMD05-523 | |
| Descripción | Small Surface Mount Device TVS | |
| Fabricantes | UMD | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de UMD05-523 (archivo pdf) en la parte inferior de esta página. Total 9 Páginas | ||
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_______________________________________________________________________________________
UNITED MICRO DEVICE INC. UMD05-523
_______________________________________________________________________________________
SOD-523 Single Line TVS Diode for ESD Protection
Description
TVS diodes are designed to replace multilayer
varistors (MLVs) in portable applications such as
cell phones, notebook computers, and PDA’s.
They offer superior electrical characteristics such
as lower clamping voltage and no device
degradation when compared to MLVs.
The UMD05-523 is a Uni-Directional TVS that is
designed to provide high overvoltage protection
by clamping action and have instantaneous
response to transient overvoltages. The SOD-523
is a very small package which allows space
saving on high density printed circuit board and
also gives the designer the flexibility to protect
one line in applications where arrays are not
practical.
Small Surface Mount Device TVS
SOD-523 Pin Configuration
1
2
Pin Description
1 Cathode
2 Anode
Features
* Solid-state silicon avalanche technology
* SOD-523 package
* Uni-Directional protection
* Protects one I/O or Power line
* 150 Watts peak pulse power (tp = 8/20µs)
* Working voltage: 5V
* Low clamping factor Vcl/Vbr
* Low leakage current
* Full RoHS compliance
* Complies with the following standards:
- IEC 61000-4-2 (ESD) Air-15kv, Contact-8kv
- IEC 61000-4-4 (EFT) (5/50ns)
- IEC 61000-4-5 (Surge) (8/20µs)
Mechanical Characteristics
* Molded SOD-523 package
* Weight 2 milligrams (Approximate)
* Available in Lead-Free Pure-Tin Plating
* Solder Reflow Temp: Pure-Tin (Sn), 260-270ºC
* Consult Factory for Leaded Device Availability
* Flammability Rating UL 94V-0
* 8mm Tape and Reel per EIA Standard 481
* Device Marking: Marking Code,
Pin one defined by Polarity Band
Applications
* Cellular Handset
* PDA
* Notebook
* Digital Camera
* Wifi Phone
_______________________________________________________________________________________
Rev 15/07/10
- 1 - ©United Micro Device Inc
1 page  
_______________________________________________________________________________________
UNITED MICRO DEVICE INC. UMD05-523
_______________________________________________________________________________________
SOD-523 Single Line TVS Diode for ESD Protection
UMD05-523 on Keypad Application
*Row3 7 4 1
Row2 0 8 5 2
Row1
Keypad
Controller
Col1
Col2
Col3
Col4
Col5
Col6
Col7
# 9 6 3C
UMD05-523 on Microphone and Speaker Application
Microphone
VDD
V+
OUT
GND
IN+
IN-
V-
GND
Microphone Preamp
Speaker
Vo1
VDD
GND
Vo2
-IN
+IN
Speaker Amp
BYPASS
SHDN
_______________________________________________________________________________________
Rev 15/07/10
- 5 - ©United Micro Device Inc
5 Page | ||
| Páginas | Total 9 Páginas | |
| PDF Descargar | [ Datasheet UMD05-523.PDF ] | |
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