PANASONIC MA2C858

Band Switching Diodes
MA2C858
Silicon epitaxial planar type
Unit : mm
For band switching
φ 0.45 max.
2.2 ± 0.3
1st Band
2nd Band
Symbol
Rating
Unit
Reverse voltage (DC)
VR
35
V
Forward current (DC)
IF
100
mA
Operating ambient temperature
Topr
−25 to +85
°C
Storage temperature
Tstg
−55 to +100
°C
13 min.
■ Absolute Maximum Ratings Ta = 25°C
Parameter
13 min.
1
0.2 max.
• Extra-small DHD envelope, allowing to insert into a 5 mm pitch
hole.
• Less voltage dependence of the terminal capacitance Ct
• Low forward dynamic resistance rf
• Optimum for a band switching of a tuner
COLORED BAND
INDICATES
CATHODE
0.2 max.
■ Features
2
φ 1.75 max.
1 : Cathode
2 : Anode
JEDEC : DO-34
■ Electrical Characteristics Ta = 25°C
Parameter
Symbol
Conditions
Max
Unit
100
nA
1
V
VR = 6 V, f = 1 MHz
1.2
pF
IF = 2 mA, f = 100 MHz
0.9
Ω
(DC)*
IR
VR = 33 V
Forward voltage (DC)
VF
IF = 100 mA
Terminal capacitance
Ct
Forward dynamic resistance
rf
Reverse current
Min
Typ
Note) 1．Rated input/output frequency: 100 MHz
2．* : Measurement in light shielded condition
■ Cathode Indication
Type No.
Color
MA2C858
1st Band
Yellow
2nd Band
Yellow
1
MA2C858
Band Switching Diodes
IF  V F
102
Ta = 85°C
1
10−1
1
10−1
10−2
Ta = 85°C 25°C
0.2
0.4
− 25°C
0.6
10−3
0.8
1.0
10
20
Forward dynamic resistance rf (Ω)
Forward dynamic resistance rf (Ω)
6
IF = 2 mA
Ta = 25°C
6
4
2
3
10
30
100
300
5
2
1
1
3
10
1.6
Terminal capacitance Ct (pF)
Forward dynamic resistance rf (Ω)
1
10
30
Forward current IF (mA)
2
30
100
100
300
1 000
f = 1 MHz
Ta = 25°C
0.8
0.4
0
10
20
160
30
Reverse voltage VR (V)
IF = 3 mA
Ta = 25°C
rf Tester: TDC-121A
1.0
0.8
0.6
0.4
0.2
0
10
30
100
300
1 000 3 000 10 000
Frequency f (MHz)
1.2
0
120
rf  f
Ct  VR
2
3
80
1.2
Frequency f (MHz)
3
1
40
0
Ambient temperature Ta (°C)
3
0
1 000
f = 100 MHz
Ta = 25°C
0.3
50
4
rf  IF
0
0.1
40
IF = 3 mA
Ta = 25°C
rf Tester: TDC-121A
Frequency f (MHz)
4
10 V
rf  f
8
1
30
Reverse voltage VR (V)
rf  f
VR = 25 V
10−1
10−3
0
Forward voltage VF (V)
0
1
10−2
25°C
Forward dynamic resistance rf (Ω)
0
10
Reverse current IR (nA)
Reverse current IR (nA)
Forward current IF (mA)
10
10
10−2
IR  T a
IR  V R
102
102
40