2SC1890 datasheet(2/5 Pages) HITACHI

2 / 5 page

2SC1890, 2SC1890A

Absolute Maximum Ratings (Ta = 25°C)

Ratings

Item

Symbol

2SC1890

2SC1890A

Unit

Collector to base voltage

CBO

120

Collector to emitter voltage

CEO

120

Emitter to base voltage

EBO

55V

Collector current

Collector power dissipation

300

Junction temperature

150

°C

Storage temperature

Tstg

–55 to +150

°C

Electrical Characteristics (Ta = 25°C)

2SC1890

2SC1890A

Item

Symbol

Min

Typ

Max

Min

Typ

Max

Unit

Test conditions

Collector to emitter

breakdown voltage

(BR)CEO

—

120

—

C = 1 mA, RBE = ∞

Collector cutoff current

CBO

—

0.5

—

µAV

CB = 75 V, IE = 0

—

———0.5

µAV

CB = 100 V, IE = 0

DC current tarnsfer ratio h

FE*

250

—

1200

250

—

1200

CE = 12 V, IC = 2 mA

Base to emitter voltage

—

0.75

—

0.75

CE = 12 V, IC = 2 mA

Collector to emitter

saturation voltage

CE(sat)

—

0.5

—

0.5

C = 10 mA, IB = 1 mA

Gain bandwidth product f

—

200

—

200

—

MHz

CE = 12 V, IC = 2 mA

Collector output

capacitance

Cob

—

1.6

—

1.6

—

CB = 25 V, IE = 0,

f = 1 MHz

Noise figure

—

CE = 6 V, IC = 50 µA,

g = 50 kΩ, f = 1 kHz

Note:

1. The 2SC1890/A is grouped by h

FE as follows.

250 to 500

400 to 800

600 to 1200

See characteristic curves of 2SC1775 and 2SC1775A.

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