MPS404A

2

Motorola Small–Signal Transistors, FETs and Diodes Device Data

Characteristic

Symbol

Min

Max

Unit

ON CHARACTERISTICS

DC Current Gain

(IC = –12 mAdc, VCE = –0.15 Vdc)

hFE

30

400

—

Collector – Emitter Saturation Voltage

(IC = –12 mAdc, IB = –0.4 mAdc)

(IC = –24 mAdc, IB = –1.0 mAdc)

VCE(sat)

—

—

–0.15

–0.2

Vdc

Base – Emitter Saturation Voltage

(IC = –12 mAdc, IB = –0.4 mAdc)

(IC = –24 mAdc, IB = –1.0 mAdc)

VBE(sat)

—

—

–0.85

–1.0

Vdc

SMALL– SIGNAL CHARACTERISTICS

Common–Base Cutoff Frequency

(IC = –1.0 mAdc, VCB = 6.0 Vdc)

fob

4.0

—

MHz

Output Capacitance

(VCB = –6.0 Vdc, IE = 0, f = 1.0 MHz)

Cobo

—

20

pF

–100

–80

–60

–40

–20

0

–100

–0.9

–0.82

–0.74

–0.66

–0.58

–0.50

IC, COLLECTOR CURRENT (mA)

IE, EMITTER CURRENT (mA)

Figure 1. Collector–Emitter Voltage

IC, COLLECTOR CURRENT (mA)

IE, EMITTER CURRENT (mA)

Figure 2. Base “On” Voltage

–1.0

–2.0 –3.0

–5.0 –7.0 –10

–20 –30

–50 –70

NORMAL MODE

INVERTED MODE

TJ = 25°C

VCE(sat) @ IC/IB = 10

VEC(sat) @ IE/IB = 2.0

IC/IB = 2.0

–100

–1.0

–2.0 –3.0

–5.0 –7.0 –10

–20 –30

–50 –70

NORMAL MODE

INVERTED MODE

TJ = 25°C

VBE(sat) @ IC/IB = 2

VBC(sat) @ IE/IB = 2

VBE(on) @ VCE = –1.0 V