
LESHAN RADIO COMPANY, LTD.
M30–1/3
MAXIMUM RATINGS
Rating Symbol Value Unit
Collector–Emitter V oltage V CES –30 Vdc
Collector–Base V oltage V CBO –30 Vdc
Emitter–Base V oltage V EBO –10 Vdc
Collector Current — Continuous I C–500 mAdc
THERMAL CHARACTERISTICS
Characteristic Symbol Max Unit
Total Device Dissipation FR– 5 Board, (1) PD225 mW
TA = 25°C
Derate above 25°C 1.8 mW/°C
Thermal Resistance, Junction to Ambient RθJA 55 6 °C/W
Total Device Dissipation PD300 mW
Alumina Substrate, (2) TA = 25°C
Derate above 25°C 2.4 mW/°C
Thermal Resistance, Junction to Ambient RθJA 417 °C/W
Junction and Storage Temperature TJ , Tstg –55 to +150 °C
DEVICE MARKING
MMBTA63LT1 = 2U MMBTA64LT1 = 2V
ELECTRICAL CHARACTERISTICS (TA = 25°C unless otherwise noted.)
Characteristic Symbol Min Max Unit
OFF CHARACTERISTICS
Collector–Emitter Breakdown Voltage V (BR)CEO –30 — Vdc
(I C = –100 µAdc, )
Collector Cutoff Current I CBO — –100 nAdc
( V CB = –30Vdc)
Emitter Cutoff Current I EBO — –100 nAdc
( V EB = –10Vdc )
1. FR–5 = 1.0 x 0.75 x 0.062 in.
2. Alumina = 0.4 x 0.3 x 0.024 in. 99.5% alumina.
3
MMBTA63LT1
MMBTA64LT1
2
EMITTER
3
COLLECTOR
1
BASE
Darlington Transistors
PNP Silicon
1
2
CASE 318–08, STYLE 6
SOT–23 (TO–236AB)