2N4240 datasheet(2/2 Pages) SEME-LAB

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FIGURE 1 – SWITCHING TIME TEST CIRCUIT

2N4240

Prelim. 8/93

ELECTRICAL CHARACTERISTICS (Tcase = 25°C , unless otherwise stated)

Collector – Emitter

Sustaining Voltage

ICEO

Collector Cutoff Current

ICEX

Collector Cutoff Current

IEBO

Emitter Cutoff Current

IC = 200mA , IB = 0

VCE = 150V , IB = 0

VCE = 450V , VBE(off) = 1.5V

VCE = 450V , VBE(off) = 1.5V , TC =150°C

VBE = 6V , IC = 0

300

5.0

2.0

5.0

0.5

Parameter

Test Conditions

Min.

Typ.

Max.

Unit.

Current Gain

Collector – Emitter

Saturation Voltage

Base – Emitter

Saturation Voltage

Base – Emitter

On Voltage

Second Breakdown

Collector Current

IC = 0.1A , VCE = 10V

IC = 0.75A , VCE = 2V

IC = 0.75A , VCE = 10V

IC = 0.75A , IB = 75mA

IC = 0.1A , VCE = 10V

(VCC = 100V)

100

150

1.0

1.8

1.4

350

Parameter

Test Conditions

Min.

Typ.

Max.

Unit.

—

hFE

VCE(sat)

VBE(sat)

VBE(on)

Is/b

Current Gain –

Bandwidth Product (2)

Output Capacitance

IC = 200mA , VCE = 10V

ftest = 5.0MHz

VCB = 10V , IE = 0 , f = 1.0MHz

120

Parameter

Test Conditions

Min.

Typ.

Max.

Unit.

MHz

Cob

Rise Time

Storage Time

Fall Time

VCC = 200V , IC = 0.75A

RL = 200W , IB1 = 100mA

VCC = 200V , IC = 0.75A

IB1 = IB2 = 75mA

VCC = 200V , IC = 0.75A

IB1 = IB2 = 75mA

0.5

6.0

3.0

Parameter

Test Conditions

Min.

Typ.

Max.

Unit.

OFF CHARACTERISTICS

ON CHARACTERISTICS (1)

DYNAMIC CHARACTERISTICS

SWITCHING CHARACTERISTICS

NOTES:

(1) Pulse Test: Pulse Width = 300

ms , Duty Cycle £ 2%

(2) fT = |hfe| • ftest

RB AND RC varied to obtain desired current levels.

D1 must be fast recovery type.

For td and tr , D1 is disconnected and V2 = 0.

VCEO(sus)

Semelab plc. Telephone +44(0)1455 556565. Fax +44(0)1455 552612.

E-mail: sales@semelab.co.uk

Website: http://www.semelab.co.uk

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