NJSEMI BA484 Band-switching diode Datasheet

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SPRINGFIELD, NEW JERSEY 07081
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BA482; BA483; BA484
Band-switching diodes
FEATURES
DESCRIPTION
• Continuous reverse voltage:
max. 35V
Planar high performance band-switching diode in a hermetically sealed glass
SOD68 (DO-34) package.
• Continuous forward current:
max. 100mA
• Low diode capacitance:
max. 1.0 to 1.6pF
• Low diode forward resistance:
max. 0.7 to 1.2 Q.
The diodes are type branded.
APPLICATION
Fig.1 Simplified outline (SOD68; DO-34) and symbol.
• VHP television tuners.
LIMITING VALUES
In accordance with the Absolute Maximum Rating System (IEC 134).
PARAMETER
SYMBOL
continuous reverse voltage
continuous forward current
storage temperature
junction temperature
VB
IF
T»|g
Tj
MIN.
MAX.
-
100
35
UNIT
V
mA
+150
«c
-
150
«C
-65
ELECTRICAL CHARACTERISTICS
Tj« 25 °C unless otherwise specified.
SYMBOL
VF
IR
cd
TO
PARAMETER
forward voltage
reverse current
diode capacitance
BA482
BA483
BA484
diode forward resistance
BA482
BA483
BA484
CONDITIONS
TYP.
MAX.
IF » 100 mA; see Fig. 2
-
1.2
see Fig.3
V n -20V
-
VR = 20V;T mb -75»C
f - 1 to 100 MHz; VR - 3 V; see Fig.4
-
100
1
UNIT
V
nA
jiA
0.8
1.2
pF
0.7
1.0
PF
1.0
1.6
PF
0.6
0.7
Q
0.8
1.2
Q
0.8
1.2
Q
IP - 3 mA; f - 200 MHz; see Fig. 5
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BA482; BA483; BA484
Band-switching diodes
THERMAL CHARACTERISTICS
SYMBOL
PARAMETER
CONDITIONS
VALUE
UNIT
Rth j-tp
thermal resistance from junction to tie-point
lead length 10 mm
300
K/W
Rth j-a
thermal resistance from junction to ambient
lead length 10 mm; note 1
500
K/W
Note
1.
Device mounted on a FR4 printed-circuit board without metallization pad.
GRAPHICAL DATA
(nA)
104
(mA)
10
0
(1) T, = 75 °C; typical values.
(2) Tj = 25 "C; typical values.
(3) Tj = 25 'C, maximum values.
Fig.2
Forward current as a function of
forward voltage.
50
100
T)(OC)
150
VR = 20 V
Solid line: maximum values
Dotted line: typical values
Fig.3
Reverse current as a function of
junction temperature.
Band-switching diodes
BA482; BA483; BA484
THERMAL CHARACTERISTICS
SYMBOL
Rthj-ip
Rthj-«
CONDITIONS
PARAMETER
thermal resistance from junction to tie-point
thermal resistance from junction to ambient
VALUE
UNIT
lead length 10 mm
300
K/W
lead length 10 mm; note 1
500
K/W
PACKAGE OUTLINE
' 0.55
t rrmx
-25.4mlr>-
3.04
max
-S5.4mln-
Dimensions In mm.
Fig.6 SOD68; DO-34.
DEFINITIONS
Data Sheet Status
Objective specification
Preliminary specification
Product specification
This data sheet contains target or goal specifications for product development.
This data sheet contains preliminary data; supplementary data may be published later.
This data sheet contains final product specifications.
Limiting values
Limiting values given are in accordance with the Absolute Maximum Rating System (IEC 134). Stress above one or
more of the limiting values may cause permanent damage to the device. These are stress ratings only and operation
of the device at these or at any other conditions above those given in the Characteristics sections of the specification
is not implied. Exposure to limiting values for extended periods may affect device reliability.
Application information
Where application information is given, it is advisory and does not form part of the specification.
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