2N5638, 2N5639
2N5638 is a Preferred Device
JFET Chopper Transistors
N–Channel – Depletion
N–Channel Junction Field Effect Transistors, depletion mode (Type
A) designed for chopper and high–speed switching applications.
http://onsemi.com
• Low Drain–Source “ON” Resistance:
RDS(on) = 30Ω for 2N5638
1 DRAIN
RDS(on) = 60Ω for 2N5639
• Low Reverse Transfer Capacitance
3
C
= 4.0 pF (Max) @ f = 1.0 MHz
rss
GATE
• Fast Switching Characteristics
t = 5.0 ns (Max) (2N5638)
r
2 SOURCE
MAXIMUM RATINGS
TO–92
CASE 29
STYLE 5
Rating
Drain–Source Voltage
Drain–Gate Voltage
Symbol
Value
30
Unit
Vdc
1
2
V
DS
DG
3
V
30
Vdc
MARKING DIAGRAMS
Reverse Gate–Source Voltage
Forward Gate Current
Total Device Dissipation
V
30
Vdc
GSR
I
10
mAdc
GF
2N
2N
P
D
5638
YWW
5639
YWW
@ T = 25°C
310
2.82
mW
mW/°C
A
Derate above 25°C
Storage Temperature Range
Operating Junction Temp Range
T
–65 to +150
–65 to +135
°C
°C
stg
T
J
Y
WW
= Year
= Work Week
V
= 10 Vdc
DD
V
I
DD
D
(
)
) 50
DS(on)
R
+
* R
L
ORDERING INFORMATION
0.1 mF
50
Device
2N5638RLRA
2N5639
Package
TO–92
TO–92
TO–92
Shipping
2000/Tape & Reel
5000/Box
TO
50 OHM
SCOPE B
PULSE
GENERATOR
+
–
R
L
0.001 mF
INPUT
(SCOPE A)
10%
90%
V
V
GS(on)
2N5369RLRA
2000/Tape & Reel
50 Ohms
GS(off)
Preferred devices are recommended choices for future use
and best overall value.
t
d(on)
1.0 k
50
TO
t
f
t
r
50 OHM
SCOPE A
t
d(off)
90%
10%
OUTPUT
(SCOPE B)
50
SCOPE
TEKTRONIX 567A
OR EQUIVALENT
Figure 1. Switching Times Test Circuit
Semiconductor Components Industries, LLC, 2001
90
Publication Order Number:
September, 2001 – Rev. 3
2N5638/D
ROCHESTER [ Rochester Electronics ]
