2SA778 datasheet(2/7 Pages) RENESAS

2 / 7 page

2SA778(K), 2SA778A(K)

REJ03G0628-0300 Rev.3.00 Jul 30, 2007

Page 2 of 7

Electrical Characteristics

(Ta = 25°C)

2SA778(K)

2SA778A(K)

Item

Symbol

Min

Typ

Max

Min

Typ

Max

Unit

Test conditions

Collector to base

breakdown voltage

V(BR)CBO

–150

—

–180

—

IC = –50

µA, IE = 0

Collector to emitter

breakdown voltage

V(BR)CER

–150

—

–180

—

IC = –50

µA,

RBE = 30 k

Ω

Collector cutoff current

ICBO

—

–1.0

—

µA

VCB = –100 V, IE = 0

—

–1.0

µA

VCB = –150 V, IE = 0

Emitter cutoff current

IEBO

—

–1.0

—

–1.0

µA

VEB = –5 V, IC = 0

DC current transfer ratio

hFE

100

—

100

200

VCE = –3 V,

IE = –15 mA

Collector to emitter

saturation voltage

VCE(sat)

—

–0.3

–1.0

—

–0.3

–1.0

IC = –15 mA,

IB = –1 mA

Base to emitter saturation

voltage

VBE(sat)

—

–0.77

–1.0

—

–0.77

–1.0

IC = –15 mA,

IB = –1 mA

Collector output

capacitance

Cob

—

VCB = –10 V, IE = 0,

f = 1 MHz

Gain bandwidth product

—

MHz

VCE = –3 V,

IC = –15 mA

Turn on time

ton

—

135

—

135

—

VCC = –10.3 V

Turn off time

toff

—

1.7

—

1.7

—

µs

IC = 10 IB1 = –10

IB2 = –10 mA

Storage time

tstg

—

1.0

—

1.0

µs

VCC = –10 V,

IC =–17 mA

IB1 = –1mA,

IB2 = –12 mA

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