1S2638
TUNER AFC DIODE
The 1S2638 is a variable capacitor diode
intended for AFC applications, VHF TV
applications, FM receivers. Air craft
communications gear, and other receivers
Max. 1.9
Max. 0.5
Max. 0.45
Min. 27.5
Max. 1.9
Min. 27.5
in the 1 MHz to 500 MHz.
Black
Cathode Band
Black
Part No.
Black
"ST" Brand
Black
Cathode Band
XXX
ST
Max. 3.9
Black
Part No.
XXX
Max. 2.9
Standard package is DO-35 case,
DO-34 case is available upon request.
Min. 27.5
Min. 27.5
Glass Case DO-35
Dimensions in mm
Glass Case DO-34
Dimensions in mm
Absolute Maximum Ratings (T
a
= 25
O
C)
Parameter
Breakdown Voltage
Forward Current
Power Dissipation
Operating Temperature Range
Storage Temperature Range
Symbol
BV
I
F
P
D
T
opr
T
stg
Value
10
250
350
- 65 to + 175
- 65 to + 200
Unit
V
mA
mW
O
C
C
O
Characteristics at T
a
= 25
O
C
Parameter
Reverse Current
at V
R
= 10 V
Nominal Capacitance
at V
R
= 4 V, f = 1 MHz
at V
R
= 4 V, f = 100 MHz
Symbol
I
R
C
Q
Min.
-
5
50
Max.
5
20
-
Unit
µA
pF
-
SEMTECH ELECTRONICS LTD.
(Subsidiary
of Sino-Tech International Holdings Limited, a company
listed on the Hong Kong Stock Exchange, Stock Code: 724)
®
Dated : 20/06/2007
SEMTECH_ELEC [ SEMTECH ELECTRONICS LTD. ]
