2N5172
Silicon NPN Transistor
Audio Power Amplifier
TO−92 Type Package
Absolute Maximum Ratings: (TA = +25C, Note 1 unless otherwise specified)
Collector−Base Voltage, VCBO 25V.......................................................
Collector−Emitter Voltage, VCEO 25V......................................................
Emitter−Base Voltage, VEBO 5V..........................................................
Collector Current, IC500mA.............................................................
Total Device Dissipation , PD625mW.....................................................
Derate Above +25C 5.0mW/C....................................................
Operating Junction Temperature Range, TJ−55 to +150C..................................
Storage Temperature Range, Tstg −55 to +150C..........................................
Thermal Resistance, Junction−to−Case, RthJC 83.3C/W....................................
Thermal Resistance, Junction−to−Ambient, RthJA 200C/W..................................
Note 1. These ratings are limiting values above which the serviceability of any device may be im-
paired.
Note 2. These are steady state limits and are based on a maximum junction temperature of 150C.
Electrical Characteristics: (TA = +25C unless otherewise specified)
Parameter Symbol Test Conditions Min Typ Max Unit
Collector−Base Breakdown Voltage V(BR)CBO IC = 10A, IE = 0 25 − − V
Collector−Emitter Breakdown Voltage V(BR)CEO IC = 10mA, IB = 0, Note 3 25 − − V
Emitter−Base Breakdown Voltage V(BR)EBO IE = 10A, IC = 0 5− − V
Collector Cutoff Current ICBO VCB = 25V, IE = 0 − − 100 nA
Emitter Cutoff Current IEBO VEB = 5V, IC = 0 − − 100 nA
DC Current Gain hFE VCE = 10V, IC = 10mA, Note 3 100 −500 −
Collector−Emitter Saturation Voltage VCE(sat) IC = 10mA, IB = 1.0mA, Note 3 − − 0.25 V
Base−Emitter On Voltage VBE(on) VCE = 10V, IC = 10mA, Note 3 0.5 −1.2 V
Small−Signal Current Gain hfe IC = 10mA, VCE = 10V, f = 1.0 kHz 100 −750 pF
Collector−Base Capacitance Ccb VCB = 10V, f = 1.0 MHz 1.6 −10 pF
Note 3. Pulse Test: Pulse Width 300s, Duty Cycle 2%.
.021 (.445) Dia Max
E C B
Seating Plane
.135 (3.45) Min
.100 (2.54)
.050 (1.27)
.105 (2.67) Max
.105 (2.67) Max
.205 (5.2) Max
.210
(5.33)
Max
.500
(12.7)
Min
.165
(4.2)
Max