The absolute maximum ratings of the SMV1493 and SMV1494
varactors are provided in Table 2. Electrical specifications are
provided in Table 3. Typical capacitance values are listed in
Table 4. The typical capacitance versus reverse voltage
performance of the SMV1493 and SMV1494 varactors is
illustrated in Figure 1.
Table 2. SMV1493 and SMV1494 Absolute Maximum Ratings (Note 1)
Parameter
Forward current
Power dissipation
Operating temperature
Storage temperature
Electrostatic discharge:
Human Body Model (HBM), Class 0
I
F
P
D
T
OP
T
STG
ESD
The SPICE model for the SMV1493 and SMV1494 varactors is
shown in Figure 2 and the associated model parameters are
provided in Table 5.
Package dimensions are shown in Figures 3 to 6. The SMV1493
and SMV1494 varactors are not delivered on carrier tapes.
Symbol
Minimum
Maximum
20
250
Units
mA
mW
C
C
–55
–55
+125
+150
< 250
V
Note 1:
Exposure to maximum rating conditions for extended periods may reduce device reliability. There is no damage to device with only one parameter set at the limit and all other
parameters set at or below their nominal value. Exceeding any of the limits listed here may result in permanent damage to the device.
CAUTION:
Although these devices are designed to be as robust as possible, electrostatic discharge (ESD) can damage them. These
devices must be protected at all times from ESD. Static charges may easily produce potentials of several kilovolts on the
human body or equipment, which can discharge without detection. Industry-standard ESD precautions should be used at all
times.
Table 3. SMV1493 and SMV1494 Electrical Specifications (Note 1)
(T
OP
= 25
C,
Unless Otherwise Noted)
Voltage
Breakdown
@ 10
mA
(V)
Part Number
SMV1493-203
SMV1493-210
SMV1493-219
SMV1493-240
SMV1494-203
SMV1494-210
SMV1494-219
SMV1494-240
Minimum
12
12
12
12
12
12
12
12
Minimum
17.48
17.48
17.48
17.48
36.35
36.35
36.35
36.35
Total
Capacitance
(CT) @ 1 V
(pF)
Maximum
20.08
20.08
20.08
20.08
41.85
41.85
41.85
41.85
Minimum
10.08
10.08
10.08
10.08
20.67
20.67
20.67
20.67
Total
Capacitance
(CT) @ 4 V
(pF)
Maximum
12.18
12.18
12.18
12.18
25.35
25.35
25.35
25.35
Series
Resistance (RS)
@ 1 V, f = 500 MHz
(Ω)
Maximum
0.5
0.5
0.5
0.5
0.45
0.45
0.45
0.45
Note 1:
Performance is guaranteed only under the conditions listed in this table.
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