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MMBT6428LT1 Datasheet, PDF (1/6 Pages) Motorola, Inc – Amplifier Transistors
MOTOROLA
SEMICONDUCTOR TECHNICAL DATA
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by MMBT6428LT1/D
Amplifier Transistors
NPN Silicon
COLLECTOR
3
MMBT6428LT1
MMBT6429LT1
1
BASE
MAXIMUM RATINGS
2
EMITTER
Rating
Symbol 6428LT1 6429LT1 Unit
Collector – Emitter Voltage
Collector – Base Voltage
Emitter – Base Voltage
Collector Current — Continuous
THERMAL CHARACTERISTICS
VCEO
VCBO
VEBO
IC
50
45
60
55
6.0
200
Vdc
Vdc
Vdc
mAdc
Characteristic
Total Device Dissipation FR– 5 Board(1)
TA = 25°C
Derate above 25°C
Symbol
PD
Max
Unit
225
mW
1.8
mW/°C
Thermal Resistance, Junction to Ambient
Total Device Dissipation
Alumina Substrate,(2) TA = 25°C
Derate above 25°C
RqJA
PD
556
°C/W
300
mW
2.4
mW/°C
Thermal Resistance, Junction to Ambient
Junction and Storage Temperature
DEVICE MARKING
RqJA
TJ, Tstg
417
– 55 to +150
°C/W
°C
MMBT6428LT1 = 1KM; MMBT6429LT1 = 1L
ELECTRICAL CHARACTERISTICS (TA = 25°C unless otherwise noted)
Characteristic
Symbol
OFF CHARACTERISTICS
Collector – Emitter Breakdown Voltage
(IC = 1.0 mAdc, IB = 0)
(IC = 1.0 mAdc, IB = 0)
Collector – Base Breakdown Voltage
(IC = 0.1 mAdc, IE = 0)
(IC = 0.1 mAdc, IE = 0)
Collector Cutoff Current
(VCE = 30 Vdc)
MMBT6428
MMBT6429
MMBT6428
MMBT6429
V(BR)CEO
V(BR)CBO
ICES
Collector Cutoff Current
(VCB = 30 Vdc, IE = 0)
ICBO
Emitter Cutoff Current
(VEB = 5.0 Vdc, IC = 0)
  1. FR– 5 = 1.0 0.75 0.062 in.
  2. Alumina = 0.4 0.3 0.024 in. 99.5% alumina.
IEBO
3
1
2
CASE 318 – 08, STYLE 6
SOT– 23 (TO – 236AB)
Min
Max
Unit
Vdc
50
—
45
—
Vdc
60
—
55
—
µAdc
—
0.1
µAdc
—
0.01
µAdc
—
0.01
Thermal Clad is a trademark of the Bergquist Company.
©MMotootorroollaa,
Small–Signal
Inc. 1996
Transistors,
FETs
and
Diodes
Device
Data
1