3027-1 NJSEMI | Alldatasheet
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nc. 20 STERN AVE. SPRINGFIELD, NEW JERSEY 07081 U.S.A. TELEPHONE: (201) 376-2922 (212)227-6005 FAX: (201) 376-8960 r SILICON PNPN PASSIVATED PLANAR .-A-3T SWITCHING TYPES .VHLiiTA^Y - AEROSPACE These are passivated planar PNPN controlled switches, available in both TO-18 and TO-46 standard packages, intended for use in military and space applications requiring a high degree of reliability. They offer a unique combination of extremely fast switching, high pulse power, small size, intrinsic parameter stability, and improved radiation tolerance. The fast switching characteristics of these types make them particularly useful for ring counters; high cur- rent pulse generation and gating; as well as safety arming and detonating circuits; programming circuits; protective and warning circuits; driving relays; driv- ing indicator lamps, encoding and decoding circuits; replacing relays, thyratrons, and megamps; servo motor control; pulse generation; plus many others. The high surge -current rating (5 amps — 50 ms) makes this series useful for squib firing. SSPI Bulletin D420:02 covers many CS applications in detail. CONTROLLED SWITCH 2N3O27 2N3O28 2N3O29 3O27-1 3O28-1 3O29-1 TO-18 Q-46 3027-1 3028-1 3029-1
FEATURES
Available in TO-18 or TO-46 Fully characterized for "worst-case" design Passivated planar construction for maxi- mum reliability and parameter uniformity — All junctions completely passivated Low saturation voltage and fast switching at high current levels 5 to 500 mA operating DC current range 0.15 /AS typical turn on time 0.7 ju,S typical recovery time Pulse currents to 30 amps Voltage ratings to 100V 0.2 mA max. trigger current 0.8V max. trigger Voltage ABSOLUTE IV1AXIMUM RATINGS Type Anode Voltage | (DC or Peak AC) j ±Volts (Note 1) I 2N3027, •3027-1- 2N3028, ^3029-1 2N3029, 3028-1 ! 30 . 60 100 Continuous D.C, Forward Current, 75°C Ambient 250 mA | Nntp ; 100"C Case 500 mA \\k recurrent Forward Current up to 30 amps Surge current, 0.05 seconds 5 amps Peak Gate current 250 mA Average Gate current 25 mA Reverse Gate voltage 5 volts Reverse Gate current 3 mA Storage temperature range —65 to +200°C Operating temperature range -65 to - 150°C Note 1 Note 2 Blockm llockmg voltage ratings apply over the operating temperature range, provided the gate is connected to the cathode through an ppropnate resistor, or adequate gate bias is used. (See section on bias stabilization.) .rnDient current ratings shown apolv to TO-18 units. Ambient current ratines foV TO-4fi unit* an- fin0/,, r,f TO.1B ratin«