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E3iM AVE. TELEPHONE: (973) 376-2922
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Jv JERSEY o~oai (212) 227-8005
2N499
FAX: (973) 376"
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GERMANIUM MICRO ALLOY DIFFUSED-BASE
TRANSISTOR PNP POLARITY
General Description
This transistor is a PNP, germanium, triode transistor designed primarily for low power IF and HF amplifier applications in the up to lOOmc frequency rjinge for industrial service.
I'!echar.ical Data
A0 Outline drawing TO-1 3, Terminal'Designations
Terminal Element 1 Emitter 2 Base 3 Collector
Case All leads insulated from case Ao;rolirbe I'.aximum Ratings
1. ?':i'xi!T!i.;in Temperature
1,, Storage Temperature -6^0 to -*-lQOcC :-:„ Lead Temperature, 1/16" + 1/32" from case 230°C
for 10 seconds
Reverse Hating (T - 25°C)
3ase, VJJBQ -0,5 volt 2, Collector-base, VCBQ "" 30 volts
3., Collector-emitter, VCEO " -^ volts l-.aximum Current (DC)
1= Collector Current, IQ ~ 50 ma '- ewer
-.:.» I-aximum Power Dissipation (T = 2$°C) 60 mw 2o Derating Factor above 2£°C 0,8 mw/'C
_ TELEPHONE: (973) 376-2922
?:~j" :'3-' -L~J. ^EYv J~F:3fcY 0/C31 (212 227-6005 .S.A. JEDSC TYPE // 2NU99A FAX: (973) 378-3S60
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i;„ Electrical Characteristics, 2g°C
Ac Static Characteristics Min. Max, Collector Current,
Collector Voltage, VCB Collector Current, ICBO Collector Voltage, VCBO
Collector Current, IcEO , 10°
Collector Voltage, VCEO wn Voltages
Collector Base Breakdown Voltage, BVQBO 30
IE * o, ic •
Small Signal Parameters I, Low Frequency Parameters
Test Conditions
Emitter Current, IE a Ima Collector Voltage, VCE = -9v Frequency, f ~ Ike
a. Forward Current Transfer Ratio, hfe - 20 80
?„ iiigh Frequency Parameters Test Conditions
knitter Current, Ig « 2ma iJollector Voltage, VCB - -lOv
a. Open Circtiit Collector Base Capacitance, Cob 0.5 2,$ pf Ig » 0, at frequency Umc
b. Collector Base Time Constant rt^ Cc 5 250 ohm-pf at frequency
Power Gain, f - lOOmc 7.5 - db in attached circuit
Magnitude of High Frequency Forward
Current Transfer Ratio, hfe 6 Frequency, f - 20mc
