2SB1553 Panasonic Semiconductor, 2SB1553 Datasheet - Page 3

• Manufacturer Part Number: 2SB1553
• Description: Silicon PNP epitaxial planar type(For power amplification)
• Manufacturer: Panasonic Semiconductor

Power Transistors
10000
1000
100
0.1
10
1
10
–4
10
–3
10
–2
Note: R
(1) Without heat sink
(2) With a 50
th
10
was measured at Ta=25˚C and under natural convection.
–1
Time t ( s )
R
th(t)
1
50
— t
2mm Al heat sink
10
10
2
10
3
(1)
(2)
10
4
2SB1553
3