MITSUMI
Trackingless Type, For AM/FM 2-Band, AM Narrow-Band
20 mm, PVC-2LXT-L5, -2LXT-LD5
Polyvaricon
FEATURES
These are AM/FM 2-band radio use
POLYVARICONs, which enjoy high reputation as
standard products. Improved electric and
mechanical characteristics and superb quality
control implemented make then highly
satisfactory as high-grade variable capacitors.
SPECIFICATIONS
Models
Uses
Shaft
Mounting Dimensions
Dimensions
Form
(mm)
(mm)
Front
21 21 16.5
mounting
Dip
21 21 19.5
soldering
4-2
FM-2
AM-2
(3.5) -3
FM-2
No.of
Stage
AM-2
max.
Capacitance
Swing
(pF)
min.
Capacitance
(pF)
3.8±1
3.4±1
FC1 3.3±1
FC2 3.8±1
3.8±1
3.4±1
FC1 3.3±1
FC2 3.8±1
Variable
Coefficient
Curve
C
A
B
C
A
B
2LXT-L5
AM/FM
(2-band)
AM/FM
(2-band)
(O) 82
(A) 140
20 (40)
(O) 82
(A) 140
20 (40)
2LXT-LD5
CHARACTERISTICS
Models
Item
Shaft Rotational Direction
Full Rotational Angle
Mechanical
Characteristics
Rotational Torque
Torque Difference
Stopper Strength
Trimmer Rotational Torque
Tolerance of
Variable Capacitance
Electrical
Characteristics
Q
Trimmer Capacitance
MW Tuning Frequency Range
AM
FM
AM
FM
+2
-1%
PVC-2LXT-L5/2LXT-LD5
Capacitance decreases as shaft turnedclockwise.
97
(
With semi-sphere 180° as 100%.
)
70~350g·cm
150g·cm or less
9kg·cm (Breakdown strength)
50~400g·cm
± (1pF+1%)
± (0.3pF+2%)
500 or more
200 or more
7pF or more
520~1650kHz
MITSUMI
Trackingless Type, For AM/FM 2-Band, AM Narrow-Band
Nominal Variable Coefficient Capacitance
Rotational Index % 100 90 82.8 75
Variable
Capacitance
(pF)
70
60
50 42.6 30
25 17.5 10
(3)
0
0
0
Variable
Coefficient Curve
C
A
B
AM
82.0 73.8 66.8 58.9 53.5 42.4 31.8 24.5 14.3 10.9 6.44 2.71
140.0 118.2 101.3 84.0 73.2 53.2 36.7 26.6 14.3 10.6 6.01 2.44
FM
20.00 17.24 — 13.46 12.30 10.08 8.02 — 4.30 3.45 — 1.05
DIMENSIONS
PVC-2LXT-L5
Flats of shaft located as shown max. capacitance.
Tolerance of shaft flat angle : Within ±2˚.
Oscillator stage : AM (OSC), FM (FC1).
Unit : mm, Tolerance : ±0.2
PVC-2LXT-LD5
Flats of shaft located as shown max. capacitance.
Tolerance of shaft flat angle : Within ±2˚.
Oscillator stage : AM (OSC), FM (FC1).
Unit : mm, Tolerance : ±0.2
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