BF861A データシートの表示（PDF） - Philips Electronics

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BF861A

N-channel junction FETs

Philips Electronics 

Philips Semiconductors

N-channel junction FETs

Product specification

BF861A; BF861B; BF861C

FEATURES

• High transfer admittance

• Low input capacitance

• Low feedback capacitance

• Low noise.

APPLICATIONS

• Preamplifiers for AM tuners in car radios.

handbook, halfpa2ge

1

d

g

s

3

Top view

MAM036

DESCRIPTION

N-channel symmetrical junction field effect transistors in a

SOT23 package.

PINNING - SOT23

PIN

SYMBOL

1

s

2

d

3

g

DESCRIPTION

source

drain

gate

Marking codes:

BF861A: M33.

BF861B: M34.

BF861C: M35.

Fig.1 Simplified outline and symbol.

CAUTION

The device is supplied in an antistatic package. The

gate-source input must be protected against static

discharge during transport or handling.

QUICK REFERENCE DATA

SYMBOL

PARAMETER

VDS

drain-source voltage (DC)

IDSS

drain current

BF861A

BF861B

BF861C

Ptot

yfs

total power dissipation

forward transfer admittance

BF861A

BF861B

BF861C

Ciss

input capacitance

Crss

reverse transfer capacitance

CONDITIONS

VGS = 0; VDS = 8 V

up to Tamb = 25 °C

VGS = 0; VDS = 8 V

f = 1 MHz

f = 1 MHz

MIN. MAX. UNIT

−

25

V

2

6.5

mA

6

15

mA

12

25

mA

−

250

mW

12

20

mS

16

25

mS

20

30

mS

−

10

pF

−

2.7

pF

1997 Sep 04

2

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