2sd1274a Panasonic Corporation of North America, 2sd1274a Datasheet - Page 3

• Manufacturer Part Number: 2sd1274a
• Description: Silicon Npn Triple Diffusion Planar Type For Power Amplification
• Manufacturer: Panasonic Corporation of North America

Power Transistors
10
10
10
10
10
–1
–2
1
10
3
2
–4
10
–3
10
–2
10
–1
Time t ( s )
R
th(t)
1
 t
(1) Without heat sink
(2) With a 100 × 100 × 2mm Al heat sink
10
10
2
10
3
(1)
(2)
10
4
2SD1274A, 2SD1274B
3