PANASONIC MA2C859

Band Switching Diodes
MA2C859
Silicon epitaxial planar type
Unit : mm
For band switching
φ 0.45 max.
■ Absolute Maximum Ratings Ta = 25°C
Parameter
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.
2.2 ± 0.3
1st Band
2nd Band
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
Reverse current
Symbol
(DC)*1
Conditions
Min
Typ
Max
Unit
IR
VR = 33 V
100
nA
VF
IF = 100 mA
1.0
V
Terminal capacitance
Ct
VR = 6 V, f = 1 MHz
0.8
1.2
pF
Forward dynamic resistance
r f* 2
IF = 2 mA, f = 100 MHz
0.5
0.65
Ω
0.77
0.98
Ω
Forward voltage (DC)
rf
*3
Note) 1．Rated input/output frequency: 100 MHz
2．*1 : Measurement in light shielded condition
*2 : rf measuring instrument: Nihon Koshuha MODEL TDC-121A Lead length 5mm
*3 : rf measuring instrument: YHP 4191A Lead length 5mm
■ Cathode Indication
Type No.
Color
MA2C859
1st Band
Black
2nd Band
Blue
1
MA2C859
Band Switching Diodes
IF  V F
IR  T a
IR  V R
102
103
103
Ta = 85°C
VR = 33 V
10−1
Ta = 85°C
10−3
− 20°C
50°C
10
25°C
1
0
0.2
0.4
0.6
0.8
1.0
10−1
1.2
0
10
20
rf  f
30
40
10−1
−40
50
8
6
4
2
10
30
IF = 2 mA
Ta = 25°C
rf Tester: YHP4191A
14
12
10
8
6
4
2
0
100
1
2
3
rf  IF
5
10
20 30 50
Terminal capacitance Ct (pF)
2.0
1.6
1.2
0.8
10
0.8
0.4
0
0.1
1
30
Forward current IF (mA)
100
10
100
If(surge)  tW
1.6
1.2
0.8
0.4
0
3
1.2
1 000
0.4
1
1.6
Forward current IF (mA)
f = 1 MHz
Ta = 25°C
f = 1 000 MHz
Ta = 25°C
rf Tester: YHP4191A
0.3
2.0
Ct  VR
2.4
0
0.1
2.4
100
2.0
2.8
120
f = 100 MHz
Ta = 25°C
rf Tester: TDC-121A
2.8
Frequency f (MHz)
3.2
80
r f  If
0
10
20
30
40
Reverse voltage VR (V)
50
Forward surge current IF(surge) (A)
3
40
3.2
Forward dynamic resistance rf (Ω)
IF = 2 mA
Ta = 25°C
rf Tester: TDC-121A
1
0
Ambient temperature Ta (°C)
rf  f
Forward dynamic resistance rf (Ω)
Forward dynamic resistance rf (Ω)
1
16
Frequency f (MHz)
Forward dynamic resistance rf (Ω)
10
Reverse voltage VR (V)
10
2
20 V
50°C 25°C
Forward voltage VF (V)
0
102
Reverse current IR (pA)
1
10−2
102
Reverse current IR (pA)
Forward current IF (mA)
10
100
10
1
0.1
0.03
0.1
0.3
1
3
Pulse width tW (ms)
10
30