RCA TRANSISTOR MANUAL @N955 2N955A COLLECTOR CURRENT. oo. cece eee eect ere tee er eeeee 100 max 150 maz ma TRANSISTOR DISSIPATION? At ambient temperatures up to 25C... 1. ee ee eee 150 max 150 max mw At ambient temperatures above 25C... eek eee ee See curve page 68 AMBIENT-TEMPERATURE RANGE: Operating and storage... ee eee 65 to 100 C LEAD TEMPERATURE (for 10 seconds maximum)....... 230 max 230 max C CHARACTERISTICS Base-to-Emitter Saturation Voltage (with collector ma <= 80) and base ma = 1)......... 0.3 to 0.6 0.3 to 0.6 volt Collector-to-Emitter Satw-ation Voltage: With collector ma = 4Qand basema =1........- 0.5 max 0.8 max volt With collector ma = 100 and base ma = 5......... 0.6 max volt Colleetor-Cutoff Current (with collector-to-base volts = 5 and emitter current = 0). ........ + eae 5 max 5 max pa Total Stored Charge (with collector ma = 30 and base ma = 1.5)... 0. ccc cece eee eee ene 125 max 65 max peoul In Common-Base Circuit Input Capacitance (with emitter-to-base volta = 0.5 and collector current = OO}... 2. . eens 10 max 10 maz pt Output Capacitance (with collector-to-base volts = 5 and emitter current = () 0. ee eee 6 max 6 max pf In Common-Emitier Circuit Small-Signal Forward Current-Transfer Ratio (with collector-to-emitter volts = 5, collector ma = 20, and frequency = 100 Mc).........-++4- 10 10 DC Forward Current-Transfer Ratio: With collector-to-emitter volts = 0.5 . and collector ma = 80. .... 00.0040 eve eee eee eee 30 min _ With collector-to-emitter volta = 0.3 and . coliector ma = 80. ... 0... cc ee renee eee _ 80 min Germanium n-p-n type used in 2 Ni O1 Oo low-noise small-signal audio-frequency amplifier applications. It is used in in- E c put stages of audio-frequency ampli- fiers operating from extremely small input signals, such as high-fidelity pre- amplifiers, tape-recorder amplifiers, microphone preamplifiers, and hearing aids, in which low noise is an important design consideration. JEDEC No. TO-1 pack- age; outline 4, Outlines Section. MAXIMUM RATINGS COLLECTOR-TO-BASE VOLTAGE (with emitter open)... 1... 6.0. . cee eee eens COLLECTOR-TO-EMITTER VOLTAGE 22.00. .eeeeeeeee EMITTER-TO-BASE VOLTAGE (with collector open).............-- COLLECTOR CURRENT...... EMITIER CURRENT........ TRANSISTOR DISSIPATION: At ambient temperatures up tO 5BC. cee ee eee renee AMBIENT-TEMPERATURE ANGE: Operating Storage..........04--5 CHARACTERISTICS Collector-Cutoff Current (with collector-to-base volts = 10 and emitter current = 0) ith emitter-to-base volts = 2.5 Occ ccc ccc cect eee tenn ent ener b eben Emitter-Cutofi Current < and collector current = In Common-Base Circuit Small-Signal Forward-Current-Transfer-Ratio Cutoff Frequency (with collector-to-base volts = 3.5 and collector ma = 0.3). ...... 006 . 180 10 max 10 max 10 max 2 maz 2 max 20 max 65 to 55 65 to 85 10 maz 6 max volts volts volts ma ma mw C C wa Ma