MPF930 MPF960 MPF990

2

Motorola Small–Signal Transistors, FETs and Diodes Device Data

Characteristic

Symbol

Min

Typ

Max

Unit

ON CHARACTERISTICS(2) (Continued)

Static Drain–Source On Resistance

(VGS = 10 Vdc, ID = 1.0 Adc)

MPF930

MPF960

MPF990

rDS(on)

—

—

—

0.9

1.2

1.2

1.4

1.7

2.0

Ω

On–State Drain Current

(VDS = 25 Vdc, VGS = 10 Vdc)

ID(on)

1.0

2.0

—

Amps

SMALL– SIGNAL CHARACTERISTICS

Input Capacitance

(VDS = 25 Vdc, VGS = 0, f = 1.0 MHz)

Ciss

—

70

—

pF

Reverse Transfer Capacitance

(VDS = 25 Vdc, VGS = 0, f = 1.0 MHz)

Crss

—

20

—

pF

Output Capacitance

(VDS = 25 Vdc, VGS = 0, f = 1.0 MHz)

Coss

—

49

—

pF

Forward Transconductance

(VDS = 25 Vdc, ID = 0.5 Adc)

gfs

200

380

—

mmhos

SWITCHING CHARACTERISTICS

Turn–On Time

ton

—

7.0

15

ns

Turn–Off Time

toff

—

7.0

15

ns

2. Pulse Test: Pulse Width

v 300 µs, Duty Cycle v 2.0%.

Figure 1. Switching Test Circuit

Figure 2. Switching Waveforms

RESISTIVE SWITCHING

OUTPUT

INVERTED

50%

10%

50%

toff

ton

Vin

Vout

PULSE

WIDTH

90%

10%

INPUT

90%

90%

10 V

20 dB

50

Ω ATTENUATOR

PULSE GENERATOR

+25 V

Vin

40 pF

1.0 M

50

23

50

Vout

TO SAMPLING SCOPE

50

Ω INPUT