Satisfactory forward current transfer ratio hFE characteristics.
Wide area of safe operation (ASO).
Optimum for the output stage of a HiFi audio amplifier
I Absolute Maximum Ratings TC = 25°C
Parameter
Symbol Rating
Collector to base voltage
Collector to emitter voltage
Emitter to base voltage
Peak collector current
Collector current
Collector power TC = 25°C
dissipation
Ta = 25°C
Junction temperature
Storage temperature
VCBO VCEO VEBO ICP
IC PC
Tj Tstg.
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Power Transistors
2SB1645
Silicon PNP triple diffusion planar type Darlington
For power amplification
I Features
• Satisfactory forward current transfer ratio hFE characteristics • Wide area of safe operation (ASO) • Optimum for the output stage of a HiFi audio amplifier
I Absolute Maximum Ratings TC = 25°C
Parameter
Symbol Rating
Collector to base voltage
Collector to emitter voltage
Emitter to base voltage
Peak collector current
Collector current
Collector power TC = 25°C
dissipation
Ta = 25°C
Junction temperature
Storage temperature
VCBO VCEO VEBO ICP
IC PC
Tj Tstg
−160 −160
−5 −15 −8 100
3 150 −55 to +150
Unit V V V A A W
°C °C
Unit: mm
15.5±0.5 φ 3.2±0.1
5°
3.0±0.3 5°
(4.5)
(23.4) 22.0±0.5
26.5±0.5 (2.0)
(1.2) (10.0)
18.6±0.5 (2.0)
Solder Dip
(4.0) 2.0±0.
B1645 Datasheet
