MA27W-A [PANASONIC]
SILICON, STABISTOR DIODE, DO-35, GLASS, DO-35, 2 PIN;
| 型号： | MA27W-A |
| 厂家： | 
PANASONIC |
| 描述： | SILICON, STABISTOR DIODE, DO-35, GLASS, DO-35, 2 PIN 二极管 |
| 文件： | 总2页 (文件大小：32K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
Varistors
Series
MA27
Silicon epitaxial planer type variable resistor
For temperature and reduced voltage compensation
■ Features
Unit : mm
ø0.56 max.
1
COLORED BAND
INDICATES
CATHODE
●
High reliability achieved through combination of a planer type chip
and glass sealing structure
●
●
●
●
Easy mounting because of DO-35 (DHD) envelope used
Extremely small reverse current IR
Large power dissipation
Wide forward voltage VF range
■ Absolute Maximum Ratings (Ta= 25˚C)
Parameter
Reverse voltage (DC)
Symbol
VR
Rating
6
Unit
V
2
MA27-A/B
150
100
70
1 : Cathode
2 : Anode
JEDEC : DO-35
ø1.95 max.
MA27W-A/B
MA27T-A/B
MA27Q-A/B
Forward current (DC)
IFM
mA
50
Power dissipation
Junction temperature
Storage temperature
PD
Tj
Tstg
150
150
mW
˚C
˚C
– 55 to +150
■ Electrical Characteristics (Ta= 25˚C)
Parameter
Symbol
Condition
min
typ
max
10
Unit
MA27-A/B
MA27W-A/B
MA27T-A/B
MA27Q-A/B
MA27-A
VR= 6V
VR= 6V
Reverse current (DC)
IR
µA
1
0.56
0.59
0.77
1.15
1.60
0.61
0.64
IF=1.5mA
MA27-B
Forward voltage (DC)
Forward voltage (DC)
MA27W-A/B
MA27T-A/B
MA27Q-A/B
MA27-A/B
MA27W-A
MA27W-B
MA27T-A
VF1
V
IF=10µA
IF= 50mA
1.1
1.18
1.26
1.76
1.88
2.20
2.34
1.28
1.36
1.92
2.04
2.40
2.54
VF2
V
IF= 3mA
MA27T-B
MA27Q-A
MA27Q-B
MA27-A/B
MA27W-A/B
MA27T-A/B
MA27Q-A/B
IF=1.5mA
IF= 3mA
2.0
4.6
6.5
8.8
Temperature coef-
ficient of forward
voltage
–∆VF / ∆T
mV/˚C
❖ Rated input/output frequency : 100MHz
■ Cathode Indication
Type No.
Color
MA27-A
Yellow
MA27-B
Blue
MA27W-A MA27W-B MA27T-A* MA27T-B* MA27Q-A* MA27Q-B*
Light Blue Brown Yellow Blue Green Brown
* Body Color : Black
Varistors
MA27 Series
Characteristics chart of
MA27Q
Common characteristics chart of MA27
IF – VF
VF – Ta
IF – VF
1.0
0.8
0.6
0.4
0.2
0
100
1000
100
10
Ta=25˚C
Ta=25˚C
IF=1.5mA
MA27Q-A
MA27Q-B
10
1
MA27-A
MA27-B
MA27-A
MA27-B
1
0.1
0.01
0.1
0.01
–40
0
40
80
120
(
160
0
1
2
3
4
0
0.2
0.4
0.6
0.8
)
1.0
)
(
( )
V
Ambient temperature Ta ˚C
Forward voltage VF
V
Forward voltage VF
Characteristics chart of MA27W
IF – VF
VF – Ta
VF – Ta
1000
3.2
2.8
2.4
2.0
1.6
1.2
0.8
0.4
0
2.0
1.6
1.2
0.8
0.4
0
Ta=25˚C
IF=3mA
IF=3mA
100
MA27W-A
MA27W-B
10
1
MA27Q-B
MA27W-A
MA27W-B
MA27Q-A
0.1
0.01
0
0.4
0.8
1.2
1.6
2.0
2.4
–40
0
40
80
120
(
160
–40
0
40
80
120
160
(
V
)
(
)
)
Forward voltage VF
Ambient temperature Ta ˚C
Ambient temperature Ta ˚C
Characteristics chart of MA27T
IF – VF
VF – Ta
2.5
2.0
1.5
1.0
0.5
0
100
Ta=25˚C
IF=3mA
MA27T-A
MA27T-B
10
1
MA27T-A
MA27T-B
0.1
0.01
–40
0
40
)
Ambient temperature Ta ˚C
80
120
160
0
1
2
3
4
(
)
(
Forward voltage VF
V
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