2543

NTE2543
Silicon NPN Transistor
Darlington, Motor/Relay Driver
TO−220 Full Pack
Absolute Maximum Ratings:
Collector Base Voltage, VCBO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 300V
Collector Emitter Voltage, VCEO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 250V
Emitter Base Voltage, VEBO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20V
Collector Current, IC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6A
Base Current. IB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1A
Collector Power Dissipation (TFL = +25C), PC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40W
Operating Junction Temperature, TJ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +150C
Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −55 to +150C
Electrical Characteristics:
Parameter
Symbol
Test Conditions
Min
Typ
Max Unit
Collector Cutoff Current
ICBO
VCB = 300V, IE = 0
−
−
100
A
Emitter Cutoff Current
IEBO
VEB = 20V, IC = 0
−
−
10
mA
250
−
−
V
Collector−Emitter Breakdown Voltage
DC Current Gain
V(BR)CEO IC = 25mA, RBE = 
hFE
VCE = 2V, IC = 2A
2000
−
−
Collector−Emitter Saturation Voltage
VCE(sat)
IC = 2A, IB = 2mA
−
−
1.5
V
Base−Emitter Saturation Voltage
VBE(sat)
IC = 2A, IB = 2mA
−
−
2.0
V
Rev. 6−15
Schematic Diagram
C
B
E
.402 (10.2) Max
.173 (4.4) Max
.224 (5.7) Max
.122 (3.1)
Dia
.114 (2.9) Max
.295
(7.5)
.165
(4.2)
.669
(17.0)
Max
B
C
E
.531
(13.5)
Min
.100 (2.54)
.059 (1.5) Max
NOTE: Tab is isolated