EMIF01-5250 STMicroelectronics, EMIF01-5250 Datasheet

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EMIF01-5250

Manufacturer Part Number
EMIF01-5250
Description
EMI FILTER WITH ESD PROTECTION
Manufacturer
STMicroelectronics
Datasheet

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EMIF01-5250 SC5
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DESCRIPTION
The EMIF01-5250SC5 is a highly integrated T-filter
designed to suppress EMI / RFI noise on I/O ports
of
equipment.
This filter includes ESD protection circuitry which
prevents device destruction when subjected to
ESD discharges.
The
EMIF01-5250SC5 filter allows design flexibility on
high density boards.
MAIN APPLICATIONS
Where EMI filtering in ESD sensitive equipment is
required :
FEATURES
BENEFITS
COMPLIES WITH THE FOLLOWING STANDARDS
IEC 1000-4-2
October 1998 - Ed: 5A
Application Specific Discretes
Mobile phone : handsets and accessories
RF communications
T-filtering functions for 2 wires.
ESD protection of 15 kV (air discharge) per
IEC1000-4-2
Breakdown voltage : V
Low leakage current < 1 A.
EMI / RFI noise suppression.
Enhanced ESD protection : IEC1000-4-2 level 4
One of the smallest protection circuits available
High flexibility in the design of high density
boards
mobile
comprehensive
®
phones
A.S.D.
15kV
8 kV
or
(air discharge)
(contact discharge)
TM
BR
= 6 V min.
RF
layout
communication
of
the
FUNCTIONAL DIAGRAM
R = 52
C = 50 pF tolerance 15%
D = Zener diode
Cz = Capacitance of the zener diode
2
3
1
WITH ESD PROTECTION
D
D
tolerance 15%
EMIF01-5250SC5
SOT23-5L (SC-59A)
Cz
Cz
R
R
C
C
R
R
EMI FILTER
Cz
Cz
D
D
4
5
1/5

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EMIF01-5250 Summary of contents

Page 1

... Application Specific Discretes TM A.S.D. MAIN APPLICATIONS Where EMI filtering in ESD sensitive equipment is required : Mobile phone : handsets and accessories RF communications DESCRIPTION The EMIF01-5250SC5 is a highly integrated T-filter designed to suppress EMI / RFI noise on I/O ports of mobile phones or RF equipment. This filter includes ESD protection circuitry which prevents device destruction when subjected to ESD discharges ...

Page 2

... EMIF01-5250SC5 ABSOLUTE MAXIMUM RATINGS (T Symbol Parameter and test conditions V ESD discharge IEC1000-4-2, air discharge PP ESD discharge IEC1000-4-2, contact discharge T Junction temperature j T Operating temperature range op T Storage temperature range stg Lead temperature for soldering during 10s T L ELECTRICAL CHARACTERISTICS of the ZENER DIODE (Tamb = 25 °C) ...

Page 3

... ATTENUATION BEHAVIOR Input GND Output EMIF01-5250SC5 EMIF01-5250SC5 3/5 ...

Page 4

... Vcl input EMIF01 Fig 3 : ESD behavior on IEC1000-4-2 air dis- charge at input (typical value) Figures 3 and 4 show the EMIF01-5250SC5 response to air and contact discharge conditions respectively at input and output pins. These figures indicate that the response is spontaneous and the output level is kept at safe operating voltages. ...

Page 5

... A1 c 0.09 D 2. 2. 0.65 0.025 mm inch 0.95 0.037 STMicroelectronics GROUP OF COMPANIES http://www.st.com EMIF01-5250SC5 PACKAGE : SOT23 -5L R & C values Base qty (pcs) 3000 DIMENSIONS Millimeters Inches Typ. Max. Min. Typ. Max. 1.45 0.035 0 0.15 0 1.30 0.035 0.50 0.0137 0.20 0.004 3.00 0.11 1.75 0.059 0.95 0.0374 3.00 0.102 0.60 0.004 10° ...

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