Micro-Electronics Semiconductors. F.E.T.s/P.U.T.s/Light Detectors General Purpose Junction F.E.T.s REFERENCE TABLE Max. . Min. Max. Max. AkHz Max. Outline BVcss_ loss Vis Vescom Ciss NF loss Stock Drawing Code Volts mA umhos Volts pF dB nA No. No. MEF101 30 0.2-20 500 10 8 2.5 0.5 19341B MEF102 40 0.2-1 1000 1.5 8 2.5 0.1 31291X MEF103 40 0.9-4.5 1500 4 8 2.5 0.1 19342X MEF104 50 4-20 2000 10 8 2.5 0.1 19343R > 77 2N4302 30 2.0-5 1000- 4 6 2.5 1 31318R 2N4303 30 4.0-10 2000- 6 6 2.5 1 31319G 2N4304 30 0.5-15 1000- 10 6 2.5 1 31320X Programmable Unijunction Transistors (P.U.T.) The MICRO ELECTRONICS MEU is a three-terminal planar passivated PNPN device in the standard epoxy TO-106 package. It is functionally equivalent to the unijunction transistor, but has many superior / characteristics. The designer can select external resistors to program unijunction characteristics such as i] 7), Rag, |p and ly to meet his particular needs. The MEU22 is specifically characterized for long interval timers and other applications requiring low leakage and low peak point current. The MEU21 has been characterized for general use where the low peak point current of the MEU22 is not essential. Applications of the MEU21 include timers, high gain phase control circuits and relaxation oscillators. REFERENCE TABLE Po Vox Vax Ia I, leno Outline (forward) (Dec) . Stock Drawing Code mW min, V- min, V max,mA max. uA nA No. No, MEU21 300 +40 +40 150 5 10 19344G 7 MEU22 300 +40 +40 150 1 10 19345E Light Detectors REFERENCE TABLE Light Dark Outline Po Vso Vceo Veso current current Stock Drawing Code Case mw Vv Vv Vv mA nA No. No. Silicon Photo-Darlington Amplifiers , MEL11 TO-106)\ Clear 360 40 30 10 2 100 31308B } 7 MEL12 TO-106f Top 360 60 40 10 3 100 31309X Siticon Photo- Transistors MEL31 TO-106)\ Clear 360 40 30 8 0.01 50 31310C 77 MEL32 TO-106f Top 360 60 40 8 0.03 50 31311A PLEASE QUOTE STOCK NO. AND MANUFACTURER'S CODE WHEN ORDERING 895