Fairchild MMBFJ271 service manual

tm

June 2006

MMBFJ271

P-Channel Switch

Features

• This device is designed for low level analog switching sample and hold
circuits and chopper stabilized amplifiers.

• Sourced from process 88.

Absolute Maximum Ratings * T

= 25°C unless otherwise noted

a

Symbol Parameter Value Units

G

D

SOT-23

Mark : 62T

MMBFJ271 P-Channel Switch

S

V

DG

V

GS

I

GF

TJ, T

STG

* These ratings are limiting values above which the serviceability of any semiconductor device may by impaired.

- These are steady state limits. The factory should be consulted on applications involving pulsed or low duty cycle operations

Drain-Gate Voltage -30 V
Gate-Source Voltage 30 V
Forward Gate Current 50 mA
Operating and Storage Junction Temperature Range -55 ~ 150 °C

Thermal Characteristics

Symbol Parameter Value Units

P

D

R

θJA

Note2 : Device mounted on FR-4 PCB, 1 inch x 0.85 inch x 0.062 inch

Electrical Characteristics T

Symbol Parameter Test Condition MIN MAX Units

Off Characteristics (Note3)

V

(BR)GSS

I

GSS

V

GS(off)

On Characteristics (Note3)

Total Device Dissipation
Derate above 25°C

Thermal Resistance, Junction to Ambient 556 °C/W

= 25°C unless otherwise noted

C

Gate-Source Breakdwon Voltage IG = 1.0µA, VDS = 0 30 V
Gate Reverse Current V
Gate-Source Cutoff Voltage V

= 20V, V

GS

= -15V, ID = -1.0nA 1.5 4.5 V

DS

= 0 200 pA

DS

225

1.8

mW

mW/°C

I

DSS

gfs Forward Transferconductance VGS = 0V, VDS = 15V, f = 1.0kHz 8000 18000 µmhos
goss Common- Source Output Conduc-

Note3 : Short duration test pulse used to minimize self-heating effect.

©2006 Fairchild Semiconductor Corporation 1 www.fairchildsemi.com

MMBFJ271 Rev. A

Zero-Gate Voltage Drain Current * VDS = -15V, VGS = 0 -6.0 -50 mA

V

= 0V, VDS = 15V, f = 1.0kHz 500 µmhos

tance

GS

Package Dimensions

0

F

3

N

0.40

±0.03

MMBFJ271 P-Channel Switch

SOT-23

0.20 MI

0.45~0.60

0.95

2.90

±0.03

1.90

±0.10

0.95

±0.03

±0.03

±0.10

0.40

±0.03

0.97REF 1.30

0.508REF

±0.10

2.40

0.96~1.14

0.03~0.1

0.38 RE

+0.05

0.12

–0.02

MMBFJ271 Rev. A

Dimensions in Millimeters

2 www.fairchildsemi.com