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Key Specifications
Part Number Description Status SubFamily Transient Standards P (W) at 8/20 usec VRWM MAX (V) IR MAX at VRWM uA at 25°C VBR MIN (V) VPT MIN (V) CTOT MAX (pF) L-G at VR = 0V Lines: Uni-directional Protection Lines: Bi-directional Protection Pin/Package EV Kit Available?
UM5084 12V Low Capacitance Bidirectional Single Line TVS Protection Diode ACTIVE High & Medium Working Voltage IEC 61000-4-2 140 12 0.5 16 15 0 1 2/DFN 1.0×0.6
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Product Description
 
The UM5084 TVS protection diode is designed to replace multilayer varistors (MLVs) in portable applications such as cell phones, notebook computers, and PDA’s. They feature large cross-sectional area junctions for conducting high transient currents, offer desirable electrical characteristics for board level protection, such as fast response time, lower operating voltage, lower clamping voltage and no device degradation when compared to MLVs. The UM5084 TVS protection diode protects sensitive semiconductor components from damage or upset due to electrostatic discharge (ESD) and other voltage induced transient events. The UM5084 is available in DFN2 1.0×0.6 (compatible with SOD923/SOD882/CSP 1.0×0.6) package with working voltages of 12 volt. It gives designer the flexibility to protect bidirectional single line in applications where arrays are not practical. Additionally, it may be “sprinkled” around the board in applications where board space is at a premium. It may be used to meet the ESD immunity requirements of IEC 61000-4-2, ±15kV air, ±8kV contact discharge.
 
Features
 
- Transient Protection for Data Lines to
  IEC 61000-4-2 (ESD):
  ±15kV (Air), ±8kV (Contact)
- Small Package for Use in Portable Electronics
- Suitable Replacement for MLV’s in ESD Protection Applications
- Bidirectional TVS Protection
- Stand-Off Voltages: 12V
- Low Leakage Current
- Low Diode Capacitance
- Small Body Outline Dimensions: 1.0mm×0.6mm
 
Applications
 
- Cell Phone Handsets and Accessories
- Personal Digital Assistants (PDA's)
- Notebooks, Desktops and Servers
- Portable Instrumentation
- Cordless Phones
- Smart Card
- Digital Cameras
- MP3 Players

Pin Configurations  

  
Electrical Characteristics
(T=25°C, Device for 12.0V Reverse Stand-Off Voltage)
 
Parameter
Symbol
Conditions
Min
Typ
Max
Unit
Reverse Stand-Off Voltage
VRWM
 
 
 
12
V
Reverse Breakdown Voltage
VBR
IT=1mA
16.7
 
18.7
V
Reverse Leakage Current
IR
VRWM=12V, T=25°C
 
 
0.5
μA
Clamping Voltage
VC
IPP=5.9A, tP=8/20μs
 
 
23.7
V
Junction Capacitance
CJ
VR=0V, f=1MHz
 
10
15
pF

Ordering Information

Part Number  
Working Voltage
Packaging Type
Channel
Marking Code
Shipping Qty
UM5084
12.0V
DFN2 1.0×0.6
1
E5
5000pcs/7Inch
Tape & Reel
 
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