Smail-Signal Forward Current-Transfer Ratio (with collector-to-emitter volts 6, collector ma = ~i, and fre- quency = 1 kflocycle)............5- 20 min TRANSISTORS MAXIMUM RATINGS Germanium p-n-p types used in mediurn-speed switching applications in data-processing equipment, These types also have wide application in other low-level, medium-speed on- off control circuits, JEDEC No. TO-5 package; outline 6, Outlines Section. TECHNICAL DATA 40 min 2N404 2N404A 2N4LOLA a@N4O4A COLLECTOR-TO-BASE VOLTAGE (with eraitter open)..... 25 max 40 max COLLECTOR-TO-EMITTER VOLTAGH (with emitter-to-base volta = 1). cercecece 24 maz --85 max EMITTER-TO-BASE VOLTAGR vith collector open) scenes 12 max 25 max COLLECTOR CURRENT... 00... csc nec ec eee e ne renneeee ~100 max 150 max BMITTER CURRENT, ......-0..00- bev ce cence ecnne eace 100 max 150 max TRANSISTOR DISSIPATION: At ambient temperatures up to 25C... kee ee 150 max 150 maz At ambient temperatures above 25C, ......... sees See curve page 68 AMBIENT-TEMPERATURE RANGE: Qperating.vessesessersseesserers 65 to 85 65 to 100 Storage. .... ~65 to 100 65 to 100 LEAD TEMPHRATURD (for 10 seconds maximum) . 255 max 255 max CHARACTERISTICS Collector-to-Emitter Saturation Voltage: With collector ma = -~12 and base ma = QA.. ccc ccc eee e teens 0.15 max With collector ma = --24 and basema = 1......... seca ee eeeee 0,2 max Base-to-Emitter Saturation Voltage: With collector ma = 12 and bage ma = 0.4. 0.66. cece cece eee oe 0.35 max With collector ma = --24 and base ma = ~1............... er eeeee 0,40 max Collector-Cutoff Current (with collector-to-base voliy = ~12 and emitter current = 0)... cu aunccereenner serene nerereeeereees 6 max Stored Base Charge (with collector ma = 10 and base ma = HB)... ~1400 max In Common-Buse Circuit Collector-to-Base Capacitance (with collector-to-base voltg =< 6 and collector current = Q)... cece cree meen toate tetneeeneneee see 20 max Forward-Current-'Transfer-Ratio Cutoff Frequency (with collector-to- . base volts = --6 and collector ma = 1)........ cece eee eee senses 4 min In Common-Emitter Circuit DC Forward Current-Transfer Ratio: . With collector-to-emitter volts = --0.2 and collector ma = ~24...... 24 min With collector-to-emitter volts = --0.15 and collector ma = ~12..... 30 min TRANSISTOR Germanium p-n-p type used in low-power class A audio-frequency driver-amplifier applications in bat- tery-operated portable radio-receivers. JEDEC No, TO-40 package; outline 15, Outlines Section. This type is elec- trically identical with type 2N406. volts volts volts ma ma mw C C volt volt volt volt pa peoul pf Me 2N405 451