BF246B N-Channel Switch
BF246B
N-Channel Switch
• This device is designed for low level analog switching, sample and hold circuits and chopper stabalized amplifiers.
• Sourced from process 51.
• See J111 for characteristics.
TO-92
DGS
1. Drain 2. Gate 3. Source
Absolute Maximum Ratings*
Symbol
V
DG
V
GS
I
GF
T
J
, T
STG
Notes:
T
a
= 25°C unless otherwise noted
Parameter
Drain-Gate Voltage
Gate-Source Voltage
Forward Gate Current
Operating and Storage Junction Temperature Range
Value
25
-25
50
-55 ~ 150
Units
V
V
mA
°C
* These ratings are limiting values above which the serviceability of any semiconductor device may e impaired.
1. These ratings are based on a maximum junction temperature of 150 degrees C.
2. These are steady state limits. The factory should be consulted on applications involving pulsed or low duty cycle operations.
Electrical Characteristics
Symbol
Off Characteristics
V
(BR)GSS
I
GSS
V
GS(off)
I
DSS
T
a
= 25°C unless otherwise noted
Parameter
Gate-Source Breakdown Voltage
Gate Reverse Current
Gate-Source Cutoff Voltage
Zero-Gate Voltage Drain Current *
a
Conditions
I
G
= 1.0µA, V
DS
= 0
V
GS
= -15V, V
DS
= 0
V
DS
= 15V, I
D
= 10nA
V
DS
= 15V, V
GS
= 0
Min.
-25
Max
Units
V
-5.0
-0.6
60
-14.5
140
nA
V
mA
On Characteristics*
Thermal Characteristics
T
Symbol
P
D
R
θJC
R
θJA
Total Device Dissipation
= 25°C unless otherwise noted
Parameter
Value
625
5.0
125
357
Units
mW
mW/°C
°C/W
°C/W
Thermal Resistance, Junction to Case
Thermal Resistance, Junction to Ambient
©2005 Fairchild Semiconductor Corporation
1
www.fairchildsemi.com
BF246B Rev. A
BF246B N-Channel Switch
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in accordance with instructions for use provided in the labeling,
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2. A critical component is any component of a life support device
or system whose failure to perform can be reasonably expected
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PRODUCT STATUS DEFINITIONS
Definition of Terms
Datasheet Identification
Advance Information
Product Status
Formative or In
Design
First Production
Definition
This datasheet contains the design specifications for
product development. Specifications may change in
any manner without notice.
This datasheet contains preliminary data, and
supplementary data will be published at a later date.
Fairchild Semiconductor reserves the right to make
changes at any time without notice in order to improve
design.
This datasheet contains final specifications. Fairchild
Semiconductor reserves the right to make changes at
any time without notice in order to improve design.
This datasheet contains specifications on a product
that has been discontinued by Fairchild semiconductor.
The datasheet is printed for reference information only.
Preliminary
No Identification Needed
Full Production
Obsolete
Not In Production
Rev. I15
3
BF246B Rev. A
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