7741 North Business Park Drive
Tucson, Arizona 85743
Ph: (520) 744-0400 Fax:(520) 744-6155
Web Site: www.tusonix.com
E-mail: sales@tusonix.com
528 Series Trimmer Capacitor
Trimmer
Features of the 528 Trimmer
I
Actual Size
ncorporating the same fine design features that have made the 538 Series
standard for the industry, TUSONIX’ 528 Series featured here is miniaturized
for today’s circuitry. All ceramic construction with optically flat interfaces pro-
vides tuning, smoothness not obtainable with compression type trimmers. The
silver electrodes are intimately bonded to the top surfaces of the base and
rotor. The terminals and other metal parts are nonferrous and silver-plated for
good conductivity and trouble free soldering.
A variety of capacitance ranges, terminations and mounting provisions make
these popular trimmers ideal for nearly all applications.
Variation
Terminal Variation Options
528-000
.218
[5.54]
.090
[2.29]
.030
[0.76]
.145
[3.68]
.250
[6.35]
ROTOR
TERMINAL .008
[0.20]
.040
[1.02]
.195
[4.95]
ADJUSTING SLOT
.020/0.51 X .018/0.46
STATOR
TERMINAL
.065
[1.65]
.008
[0.20]
.015
[0.38]
.060
[1.52]
.218
[5.54]
.145
[3.68]
.030
[0.76]
.090
[2.29]
.145
[3.68]
.016 DIA. WIRE
[0.41] STATOR
TERMINAL
.200
[5.08]
.100
[2.54]
.035
[0.89] DIA.
.060
[1.52]
RECOMMENDED
MOUNTING HOLES
.020
[0.51] DIA.
Ordering Data
528-002
.239
[6.07]
TUSONIX
Part
Number
Dielectric
Type
Code
Capaci-
tance
Range
(pF)
TUSONIX
Part
Number
Dielectric
Type
Code
Capaci-
tance
Range
(pF)
.080
[2.03]
.235
[5.97]
STATOR
TERMINAL
.030
[0.76]
528-000
528-000
528-000
528-000
528-000
528-000
528-000
528-000
528-000
A
A
A
A
C
A
E
F
F
1.0-3
2.0-5
3.0-8
3.5-10
3.5-10
4.0-14
4.5-15
3.5-17
6.0-22
528-002
528-002
528-002
528-002
528-002
528-002
528-002
528-002
528-002
A
A
A
A
C
A
E
F
F
1.25-3
2-5
3-8
3.5-10
3.5-10
4-14
4.5-15
3.5-17
6-22
.020
[0.51]
Specifications
Working Voltage: . . . . . . . . . . . . . . . . . . . . 100Vdc at 125°C
Dielectric Strength . . . . . . . . . . 200 WVdc for 1 to 5 seconds
Operating Temperature Range . . . . . . . . . . . -55°C to 125°C
Q Factor @ 1 MHz . . . . . . . . . . . . . . . . . . . . . . . . . . 500 Min
Insulation Resistance. .10 gigaohms minimum at 25
°
C ±5°C
Torque. . . . . . . . . . . . . . . . . . . . 0.3 to 3.0 oz. in.[0.2-2.0 Ncm]
Performance Specification . . . . . . . . . . . . . . . . . . . . . . Page 6
Marking:
All units will be marked with the TUSONIX
trademark, capacitance range and dielectirc type code.
Example:
T 1-3•
.045
[1.14] DIA.
RECOMMENDED
MOUNTING HOLES
For dimensions
≥
.126”/3.20mm, tolerance is ±.015/0.38
For dimensions
≤
.125”/3.18mm, tolerance is ±.005/0.13
How to Order
Begin with ‘0’, then specify series ‘528’ followed by
the three digit Terminal Variation you select from the
above options. Then list the Dielectric Type Code
you select from the table and the corresponding Ca-
pacitance Range.
EXAMPLE:
0528-002F6.0-22
4
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