RCA TRANSISTOR MANUAL CHARACTERISTICS Collector-to-Emitter Saturation Voltage Qwith collector ma = 50 and base ma = 2.5). .cccessuceecesnece ~0.2 max In Common-Base Circuit Forward-Current-Transfer-Ratio Cutoff Frequency (with collector-to- base volts = 5and emitterma = 1).......... ese e ee ene peceeeae . 10 min In Common-Emitter Circuit Forward Current-Transfer Ratio: With collector-to-emitter volts == 1 and collector ma = --10....... 40 to 150 With collector-to-emitter volts == 0.35 and collector ma = ~200.... 20 min TRANSISTORS 2N398 Germanium p-n-p types used for direct high-voltage control of on-off 2 N 39 8 A devices such as neon indicators, relays, ineandescent-lamp indicators, and in- E 2 N 39 8B dicating counters of electronic com- puters. JEDEC No. TO-5 package; outline 6, Outlines Section. MAXIMUM RATINGS 2N898 2N898A 2N398B COLLECTOR-TO-BASE VOL'TAGH (with emitter open)..........5+ wee. 7105 max 105 max 105 max COLLECTOR-TO-EMITTER VOLTAGE (with emitter-to-base volig = --1).... -~105 max 105 maz 105 max EMITTER-TO-BASE VOLTAGE (with collector open)...... ~50 max 50 max 715 max COLLECTOR CURRENT....... we. 100 max 200 max 200 max EMITTER CURRENT... 2.040.000 eeeeeee 100 max 200 max 200 max TRANSISTOR DISSIPATION: At ambient temperatures up to 25C. 50 max 150 max 250 max At ambient temperatures above 25C. See curve page 68 AMBIENT-TEMPERATURE RANGE: Operating........... seeeseceresese 65 to 55 ~65 to 100 65 to 100 Storage.........00- evveeeecesveces 765 t0 85 65 to 100 ~65 to 100 LEAD TEMPERATURE CHARACTERISTICS Base-to-Emitter Saturation Voltage (with collector ma = --6 and base ma = 0.25).. 70.4 max ~0.4 max 0.3 max Collector-to-Emitter Saturation Voltage (with collector ma = 5 and base ma = 0.25).. wee 70.85 max 0.35 max 0.25 max Collector-Cutoff Current: _ With collector-to-base volts 2.5 and emitter current = 0. tee --14 max 14 max ~6 max With collector-to-base volts + 05 and emitter current = 0......... 50 max 50 max 25 max In Common-Base Circuit Small-Signal Forward-Current-Transfer- Ratio Cutoff Frequency (with collector~ . to-base volts = 6 and emitter ma = 1) _ - Lmin In Common-Emitter Circuit DC Forward Current-Transfer Ratio: With collector-to-emitter volis =, 0.35 and collector ma = 5.... 20 min 20 min - With collector-to-emitter volts =, . 0,.25 and collector ma = ~&.... - - 20 min 150 volt Me volts volts volta ma C C volt volt ya