View ma950 datasheet:

Zener Diodes Composite Elements MA111 MA950 Silicon planer type Unit : mm Constant voltage, constant current, waveform +0.2 2.8 –0.3 cripper and surge absorption circuit +0.25 0.65± 0.15 1.5 –0.05 0.65± 0.15 1 6 Features 2 5 Mini type package (6-pin) 4 3 Three dissimilar zener diodes wired in parallel (VZ= 7.5V, 43V and 280V) 0.1 to 0.3 0.4± 0.2 1 : Cathode 1 4 : Anode 3 Absolute Maximum Ratings (Ta= 25?C) 2 : Cathode 2 5 : Anode 2 Parameter Symbol Rating Unit 3 : Cathode 3 6 : Anode 1 Mini Type Package (6-pin) Instanious forward current IFRM 200 mA Total power dissipation Ptot* 150 mW Internal Connection Junction temperature Tj 150 ?C Storage temperature Tstg – 55 to + 150 ?C 6 1 * With a printed-circuit board 5 2 4 3 Marking M4H +0.1 +0.1 0.5 –