BSS84W
P-CHANNEL ENHANCEMENT MODE MOSFET
FEATURES
APPLICATIONS
MAXIMUM RATINGS
Rating Symbol Value Units
This is a P-channel, enhancement-mode MOSFET, housed in the industry-
standard, SOT-323 (SC-70) package. This device is ideal for portable
applications where board space is at a premium.
Low On-Resistance
In compliance with EU RoHS 2002/95/EC directives
Low Gate Threshold Voltage
Fast Switching
Switching Power Supplies
Hand-Held Computers, PDAs
Drain-Source Voltage
Drain-Gate Voltage (Note 1)
Gate-Source Voltage
Drain Current
Total Power Dissipation (Note 2)
Operating Junction Temperature Range
Storage Temperature Range
8/12/2005 Page 1 www.panjit.com
- 50 V
V- 50
V± 20
mA130
200 mW
°C-55 to +150
°C-55 to +150
V
V
V
I
P
T
T
DSS
DGR
GSS
D
D
stg
T = 25°C Unless otherwise noted
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Note 2. FR-5 board 1.0 x 0.75 x 0.062 inch with minimum recommended pad layout
SOT- 323
THERMAL CHARACTERISTICS
Characteristic Symbol Units
thja
Thermal Resistance, Junction to Ambient (Note 2) 625
Value
R°C/W
Note 1. R < 20K ohms
GS
MARKING CODE: 84W
3
3
1
2
Gate
12
Drain
Sourc
e
DS
V = -25V, I = -0.1A
DSGS
V = ±20V, V = 0V
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8/12/2005 Page 2
ELECTRICAL CHARACTERISTICS
Parameter Symbol Min Units
Drain-Source Breakdown Voltage
T = 25°C Unless otherwise noted
Conditions Typ Max
BVDSS D
I = -250µA, V = 0V
Zero Gate Voltage Drain Curren
t
IDS
S
V = -50V, V = 0V, T =25°C
DS
Gate-Body Leakage
-50 - - V
- - -15
- - -60 µA
- ±10 nA
-
BSS84W
-0.1--
OFF CHARACTERISTICS (Note 3)
IGSS
DS
DS
V = -50V, V = 0V, T =125°C
V = -25V, V = 0V, T =25°C
GS
GS
GS
J
J
J
J
D
Parameter Symbol Min Units
Gate Threshold Voltage
Conditions Typ Max
VGS(th) DS
V = V , I = -1mA
Forward Transconductance
-0.8 -1.44 -2.0 V
ON CHARACTERISTICS (Note 3)
gFS
GS D
0.05 - - S
Static Drain-Source On-Resistanc
e
RDS(ON) GS
V = -5V, I = -0.1A - 3.8 10 Ohms
D
Parameter Symbol Min Units
Input Capacitance
Conditions Typ Max
Ciss
Reverse Transfer Capacitance
- - 45 pF
DYNAMIC CHARACTERISTICS
Crss --12pF
Output Capacitance Coss
DS
V = -25V,
V = 0V,
f = 1.0MHz
- - 25 pF
GS
Parameter Symbol Min Units
Turn-On Delay Time
Conditions Typ Max
tD(ON) - 7.5 - ns
SWITCHING CHARACTERISTICS
Turn-Off Delay Time - 25 - ns
tD(OFF)
V = -30V, I = -0.27A,
R = 50ohm, V = -10V
DD D
GEN GS
Note 3. Short duration test pulse used to minimize self-heating
GS
BSS84W
0.01
0.1
1
10
0.4 0.6 0.8 1 1.2 1.4
-VSD - Source-to-Drain Voltage (V)
-IS - Source Current (A)
25oC
VGS = 0V
0.8
0.9
1
1.1
1.2
-50 -25 0 25 50 75 100 125 150
TJ - Junction Temperature (oC)
VGS Threshold Voltage (NORMALIZE
D
ID =250µA
0
2
4
6
8
10
246810
-VGS - Gate-to-Source Voltage (V)
RDS(ON)
- On-Resistance (Ohms
)
Ids=-50mA
Ids =- 500mA
0
2
4
6
8
10
0 0.2 0.4 0.6 0.8 1
-ID - Drain Current (A)
RDS(ON)
- On-Resistance (Ohms
)
V
GS
= 4.5V
VGS =10.0V
0
0.2
0.4
0.6
0.8
1
01234567
-VGS - Gate-to-Source Voltage (V)
-ID
- Drain Source Current (A
VDS =10V
25oC
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1
012345
-VDS - Drain-to-Source Voltage (V)
-ID
- Drain-to-Source Current (A
)
VGS= 6V, 7V, 8V, 9V, 10V
3.0V
4.0V
5.0V
ELECTRICAL CHARACTERISTIC CURVES T = 25°C Unless otherwise noted
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Fig. 1. Output Characteristics Fig. 2. Transfer Characteristics
Fig. 6. Sourse-Drain Diode Forward VoltageFig. 5. Threshold Voltage vs. Temperature
Fig. 3. On-Resistance vs. Drain Current Fig. 4. On-Resistance vs. G-S Voltage
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8/12/2005 Page 3
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8/12/2005 Page 4
BSS84W
ORDERING INFORMATION
BSS84W T/R7 - 7 inch reel, 3K units per reel
BSS84W T/R13 - 13 inch reel, 12K units per reel
Copyright PanJit International, Inc 2012
The information presented in this document is believed to be accurate and reliable. The specifications and information
herein are subject to change without notice. Pan Jit makes no warranty, representation or guarantee regarding the
suitability of its products for any particular purpose. Pan Jit products are not authorized for use in life support devices or
systems. Pan Jit does not convey any license under its patent rights or rights of others.
PACKAGE LAYOUT AND SUGGESTED PAD DIMENSIONS
SOT-323
Unit inch(mm)：
0.087(2.20)
0.070(1.80)
0.054(1.35)
0.045(1.15)
0.056(1.40)
0.047(1.20)
0.004(0.10)MAX.
0.004(0.10)MIN.
0.087(2.20)
0.078(2.00)
0.006(0.15)
0.002(0.05)
0.016(0.40)
0.008(0.20)
0.044(1.10)
0.035(0.90)
SOT-323
0.026
(0.66)
0.073
(1.85)
0.034
(0.86)
0.026
(0.65)
0.026
(0.65)
Unit inch(mm)：