HIT 2SB858, 2SB857 Datasheet

2SB857, 2SB858

Silicon PNP Triple Diffused

Application

Low frequency power amplifier complementary pair with 2SD1133 and 2SD1134

Outline

TO-220AB

		1.	Base
		2.	Collector
	1		(Flange)
		3.	Emitter
	2
		3

Absolute Maximum Ratings (Ta = 25°C)

Ratings

Item

Symbol

2SB857

2SB858

Unit

Collector to base voltage

VCBO

–70

–70

V

Collector to emitter voltage

VCEO

–50

–60

V

Emitter to base voltage

VEBO

–5

–5

V

Collector current

IC

–4

–4

A

Collector peak current

IC(peak)

–8

–8

A

Collector power dissipation

P *1

40

40

W

C

Junction temperature

Tj

150

150

°C

Storage temperature

Tstg

–45 to +150

–45 to +150

°C

Note: 1. Value at TC = 25°C

2SB857, 2SB858

Electrical Characteristics (Ta = 25°C)

2SB857

2SB858

Item

Symbol

Min

Typ

Max

Min

Typ

Max

Unit

Test conditions

Collector to base

V(BR)CBO

–70

—

—

–70

—

—

V

I

C = –10 A, IE = 0

breakdown voltage

Collector to emitter

V(BR)CEO

–50

—

—

–60

—

—

V

I

C = –50 mA, RBE = ∞

breakdown voltage

Emitter to base

V(BR)EBO

–5

—

—

–5

—

—

V

I

E = –10 A, IC = 0

breakdown voltage

Collector cutoff current

ICBO

—

—

–1

—

—

–1

A

VCB = –50 V, IE = 0

DC current transfer ratio

h

*1

60

—

320

60

—

320

V

CE

=

I

C

= –1 A*2

FE1

hFE2

35

—

—

35

—

—

–4 V

I

C = –0.1 A*2

Collector to emitter

V

CE(sat)

—

—

–1

—

—

–1

V

I

C

= –2 A, I = –0.2 A*2

saturation voltage

B

Base to emitter voltage

V

BE

—

—

–1

—

—

–1

V

V

CE

= –4 V, I = –1 A*2

C

Gain bandwidth product

fT

—

15

—

—

15

—

MHz V

CE = –4 V,

IC = –0.5 A*2

Notes: 1. The 2SB857 and 2SB858 are grouped by hFE1 as follows.

2.

Pulse test

B

C

D

60 to 120

100 to 200

160 to 320

Maximum Collector Dissipation Curve

	60
(W)
Pc
dissipation	40
Collector power	20
	0	50	100	150
		Case Temperature TC (°C)

Area of Safe Operation

	–5				(–10 V, –4 A)
	IC max (Continuous)				DC
	–2
(A)						Operation
	TC = 25°C		(–20 V, –2 A)
C
I	–1.0
Current
							(
							–
	–0.5						60
							V,
Collector							–
							0
			(–50 V, –0.24 A) .
	–0.2						15
							A)
	–0.1
					2SB857
	–0.05				2SB858
	–1	–2	–5	–10	–20		–50	–100

Collector to emitter Voltage VCE (V)

2