2SB942
Power Transistors
2SB942, 2SB942A
Silicon PNP epitaxial planar type
For low-frequency power amplification
Complementary to 2SD1267 and 2SD1267A
■ Features
●High forward current transfer ratio hFE which has satisfactory linearity
●Low collector to emitter saturation voltage VCE(sat)
●Full-pack package which can be installed to the heat sink with one screw
■ Absolute Maximum Ratings (TC=25˚C)
Parameter |
Symbol |
Ratings |
Unit |
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Collector to |
2SB942 |
VCBO |
–60 |
V |
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base voltage |
2SB942A |
–80 |
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Collector to |
2SB942 |
VCEO |
–60 |
V |
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emitter voltage |
2SB942A |
–80 |
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Emitter to base voltage |
VEBO |
–5 |
V |
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Peak collector current |
ICP |
–8 |
A |
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Collector current |
IC |
–4 |
A |
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Collector power |
TC=25°C |
PC |
40 |
W |
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dissipation |
Ta=25°C |
2 |
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Junction temperature |
Tj |
150 |
˚C |
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Storage temperature |
Tstg |
–55 to +150 |
˚C |
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±0.1 |
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0.7 |
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±0.2 |
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±0.3 |
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7.5 |
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16.7 |
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4.0 |
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14.0±0.5 |
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Solder Dip |
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Unit: mm
10.0±0.2 |
4.2±0.2 |
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5.5±0.2 |
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2.7±0.2 |
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±0.2 |
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4.2 |
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φ3.1±0.1 |
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1.4±0.1
0.8±0.1
2.54±0.25
5.08±0.5
1 2 3
1.3±0.2 |
0.5 –0+0..12 |
1:Base
2:Collector
3:Emitter TO–220 Full Pack Package(a)
■ Electrical Characteristics |
(TC=25˚C) |
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Parameter |
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Symbol |
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Conditions |
min |
typ |
max |
Unit |
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Collector cutoff |
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2SB942 |
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V |
= –60V, V |
= 0 |
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–400 |
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ICES |
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CE |
BE |
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A |
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current |
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2SB942A |
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V |
= –80V, V |
= 0 |
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–400 |
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CE |
BE |
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Collector cutoff |
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2SB942 |
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V |
= –30V, I = 0 |
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–700 |
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ICEO |
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CE |
B |
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A |
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current |
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2SB942A |
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V |
= –60V, I = 0 |
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–700 |
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CE |
B |
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Emitter cutoff current |
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I |
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V |
= –5V, I = 0 |
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–1 |
mA |
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EBO |
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EB |
C |
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Collector to emitter |
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2SB942 |
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V |
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I = –30mA, I = 0 |
–60 |
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V |
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voltage |
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2SB942A |
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CEO |
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C |
B |
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–80 |
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h |
* |
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V |
= –4V, I = –1A |
70 |
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250 |
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Forward current transfer ratio |
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FE1 |
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CE |
C |
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h |
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V |
= –4V, I = –3A |
15 |
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FE2 |
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CE |
C |
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Base to emitter voltage |
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V |
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V |
= –4V, I = –3A |
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–2 |
V |
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BE |
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CE |
C |
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Collector to emitter saturation voltage |
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V |
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I = –4A, I = – 0.4A |
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–1.5 |
V |
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CE(sat) |
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C |
B |
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Transition frequency |
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f |
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V |
= –10V, I = – 0.1A, f = 10MHz |
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30 |
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MHz |
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T |
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CE |
C |
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Turn-on time |
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ton |
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0.2 |
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s |
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Storage time |
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tstg |
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IC = –4A,B1I = – 0.4A,B2I = 0.4A |
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0.5 |
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s |
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Fall time |
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tf |
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0.2 |
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s |
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*hFE1 Rank classification |
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Rank |
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Q |
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P |
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Note: Ordering can be made by the common rank (PQ rank hFE1 = 70 to 250) in the |
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hFE1 |
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70 to 150 |
120 to 250 |
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rank classification. |
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1
Power Transistors |
2SB942, 2SB942A |
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PC — Ta |
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I C — V CE |
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IC — V BE |
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50 |
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–6 |
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TC=25˚C |
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–10 |
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(W) |
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(1) TC=Ta |
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IB=–120mA |
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VCE=–4V |
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(2) With a 100 × 100 × 2mm |
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Al heat sink |
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–5 |
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–100mA |
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C |
40 |
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(3) With a 50 × 50 × 2mm |
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(A) |
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(A) |
–8 |
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P |
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Al heat sink |
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–80mA |
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Collector power dissipation |
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(4) Without heat sink |
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C |
–4 |
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C |
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(PC=2W) |
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–60mA |
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25˚C |
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30 |
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Collector current I |
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Collector current I |
–6 |
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TC=100˚C |
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–25˚C |
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(1) |
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–3 |
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–40mA |
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–4 |
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–2 |
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–20mA |
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–10mA |
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(2) |
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–1 |
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–8mA |
–2 |
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–5mA |
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0 |
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0 |
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0 |
20 |
40 |
60 |
80 |
100 120 |
140 |
160 |
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0 |
–2 |
–4 |
–6 |
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–8 |
–10 |
–12 |
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0 |
– 0.4 |
– 0.8 |
–1.2 |
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–1.6 |
–2.0 |
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Ambient temperature |
Ta |
(˚C) |
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Collector to emitter voltage |
VCE |
(V) |
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Base to emitter voltage |
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VBE |
(V) |
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VCE(sat) — I |
C |
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hFE — I |
C |
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fT — I |
C |
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(V) |
–100 |
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IC/IB=10 |
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10000 |
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VCE=–4V |
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10000 |
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VCE=–5V |
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CE(sat) |
–30 |
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FE |
3000 |
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3000 |
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f=10MHz |
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(MHz) |
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TC=25˚C |
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V |
–10 |
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h |
1000 |
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1000 |
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Collector to emitter saturation voltage |
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Forward current transferratio |
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25˚C |
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T |
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–3 |
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300 |
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Transition frequency f |
300 |
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TC=100˚C |
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–1 |
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100 |
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–25˚C |
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100 |
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– 0.3 |
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25˚C |
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30 |
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30 |
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– 0.1 |
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TC=100˚C |
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10 |
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10 |
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– 0.03 |
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–25˚C |
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3 |
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3 |
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– 0.01 |
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1 |
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1 |
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– 0.01 |
– 0.03 |
– 0.1 |
– 0.3 |
–1 |
–3 |
–10 |
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– 0.01 |
– 0.03 |
– 0.1 |
– 0.3 |
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–1 |
–3 |
–10 |
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– 0.01 |
– 0.03 |
– 0.1 – 0.3 |
–1 |
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–3 |
–10 |
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Collector current |
IC |
(A) |
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Collector current |
IC |
(A) |
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Collector current |
IC |
(A) |
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Area of safe operation (ASO) |
Rth(t) — t |
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–100 |
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Non repetitive pulse |
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103 |
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(1) Without heat sink |
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(2) With a 100 × 100 × 2mm Al heat sink |
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TC=25˚C |
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(˚C/W) |
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(A) |
–30 |
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ICP |
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102 |
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(1) |
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–10 |
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C |
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t=1ms |
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(t) |
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I |
–3 |
IC |
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th |
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(2) |
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resistanceThermalR |
10 |
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currentCollector |
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2SB942 |
2SB942A |
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–1 |
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10ms |
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DC |
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– 0.3 |
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1 |
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– 0.1 |
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10–1 |
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– 0.03 |
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– 0.01 |
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10–2 |
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–1 |
–3 |
–10 |
–30 |
–100 |
–300 |
–1000 |
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10–4 |
10–3 |
10–2 |
10–1 |
1 |
10 |
102 |
103 |
104 |
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Collector to emitter voltage |
VCE |
(V) |
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Time |
t |
(s) |
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2