1
Zener Diodes
MAZX000 Series
Silicon planar type
For stabilization of power supply
■Features
•Large power dissipation: PD = 1.0 W
•High zener voltage VZ: 200 V to 330 V
•Allowing automatic mounting
■Absolute Maximum Ratings Ta = 25°C
Unit : mm
Parameter Symbol Rating Unit
Repetitive peak forward current
IFRM 500 mA
Total power dissipation*1Ptot 1.0 W
Non-repetitive reverse surge PZSM 100 W
power dissipation*2
Junction temperature Tj150 °C
Storage temperature Tstg −40 to +150 °C
■Common Electrical Characteristics Ta = 25°C*1
Note) 1．Rated input/output frequency: 5 MHz
2．*1: The VZ value is for the temperature of 25°C. In other cases, carry out the temperature compensation.
*2: Guaranteed at 20 ms after power application.
*3 : Tj = 25°C to 150°C
1 : Anode
2 : Cathode
New Mini power Type Package (2-pin)
Note) *1 : Ptot = 1.0 W achieved with a printed-circuit board (alumina)
*2 : t = 100 µs, Tj = 150°C
Parameter Symbol Conditions Min Typ Max Unit
Forward voltage VFIF = 200 mA 1.2 V
Zener voltage*2VZIZ·················· Specified value V
Operating resistance RZIZ·················· Specified value Ω
Reverse current IRVR··············· Specified value µA
Temperature coefficient of zener voltage
*3SZIZ·················· Specified value mV/°C
Refer to the list of the
electrical characteristics
within part numbers
Marking Symbol
Refer to the list of the electrical
characteristics within part numbers
(Example) MAZX200 : 200
4.4 ± 0.3 0 to 0.05
2.5 ± 0.3
1.4 ± 0.2
21
2.15 ± 0.3
0.25 + 0.1
− 0.05
5.0 + 0.4
− 0.1
1.2 ± 0.41.2 ± 0.4
Zener Diodes
2
MAZX000 Series
MAZX200 180 200 220 1.5 10 160 600 1.5 170 1.5 200
MAZX220 198 220 242 0.5 10 176 10,000 0.5 200 0.5 220
MAZX240 216 240 264 0.5 10 192 10,000 0.5 215 0.5 240
MAZX270 243 270 297 0.5 10 216 5,000 0.5 243 0.5 270
MAZX300 270 300 330 0.5 10 240 5,000 0.5 270 0.5 300
MAZX330 297 330 363 0.5 10 264 5,000 0.5 296 0.5 330
■Electrical characteristics within part numbers Ta = 25°C
Part Number VZ (V) IRRZSZ
Min Nom Max IZMax VRMax IZTyp IZ
(V) (V) (V) (mA) (µA) (V) (Ω) (mA) (mV/°C) (mA)
Marking
Symbol
IZ VZ
0.001
220 240 280 320 360 400
0.01
0.1
1
10
100
Zener voltage VZ (V)
Zener current IZ (mA)
Ta = 25°C
MAZX330
MAZX300
MAZX270
MAZX240
MAZX220
MAZX200
Temperature
coefficient of zener
voltage
Operating
resistance
Zener voltage Reverse current
