Sprague-Goodman
ENGINEERING BULLETIN
SG-500D
Supercedes SG-500C
MICA DIELECTRIC COMPRESSION
TRIMMER CAPACITORS
FEATURES
• Very large capacitance ranges
• High Q
• Good RF current handling capability
• Many forms and mounting styles
SPECIFICATIONS
Operating Temperature Range:
–35°C to +85°C
Maximum Capacitance:
When set at the tight
position (tight defined as 28 oz-in/2.0 kg-cm), the
maximum capacitance will be no less than the
value indicated in the table.
Minimum Capacitance:
When adjusting screw is
rotated 3 turns from tight position (2 turns for types
1, 5, and 9), the minimum capacitance will be no
greater than the value indicated in the table.
Voltage:
Type 1
Types 2, 3, 4
Type 5
Types 6, 7, 8
Type 9
Working
(VDC)
250
175
500
250
2000
Dielectric Withstanding
(VDC)
500
350
1000
500
2700
1,000
Capacitance change with temperature
(capacitor
set at
1
/
4
to
1
/
2
turn from the tight position):
Types 1, 5, 9
= ± (2.5% + 0.3 pF)
Types 2, 3, 4, 6, 7, 8 = ± (1.5% + 0.3 pF)
Capacitance drift with temperature
(capacitor set
at
1
/
4
to
1
/
2
turn from the tight position):
Types 1, 5, 9
= ± (2.0% + 0.5 pF)
Types 2, 3, 4, 6, 7, 8 = ± (1.5% + 0.5 pF)
Q vs Capacitance
(1 MHz)
Q
100
Insulation Resistance:
100,000 megohms min at 25°C
Q:
Minimum Q at 1 MHz per graph (for units which
have nominal maximum capacitance
≤
1000 pF).
Dissipation Factor:
Maximum DF = 0.004 at 1 kHz
(for units which have nominal maximum
capacitance > 1000 pF).
10
1
10
100
1,000
Capacitance
(pF)
Sprague-Goodman Electronics, Inc.
1700 SHAMES DRIVE, WESTBURY, NY 11590
TEL: 516-334-8700 • FAX: 516-334-8771
E-MAIL: info@spraguegoodman.com
MICA DIELECTRIC TRIMMER CAPACITORS
SG-500D
PART NUMBERING SYSTEM
GM
Mica Dielectric
A
2
00
Code
00
MODIFICATIONS
00 = Standard*
01 = Mica Insulated
Screw
02 = Ceramic
Insulated Screw
03 = Guide Cup for
Screw (Types 2,
3, 4, 6, 7 and 8)
04 = Guide Cup and
Mica Insulated
Screw
*Types 1, 5, and 9 are
normally supplied
with mica insulated
screw (Mod 01)
MOUNTING STYLES
A = Bracket mount for wired
assembly
B = Printed circuit mount, top adjust,
4 terminals
C = Printed circuit mount, top adjust,
2 terminals
D = Printed circuit mount, side
adjust, 2 terminals
E = Panel mount,
1
/
4
” long bushing
F = Panel mount,
3
/
16
” long bushing
G = Panel mount,
9
/
32
” long bushing
H = Panel mount,
3
/
16
” long split
bushing
Symbol
TYPE
Size (in/mm)
1
2
3
4
5
6
7
8
9
=
=
=
=
=
=
=
=
=
0.875
0.375
0.375
0.625
0.875
0.375
0.375
0.625
0.875
x
x
x
x
x
x
x
x
x
0.938
0.531
0.750
0.750
0.938
0.531
0.750
0.750
0.938
(22.2
(9.53
(9.53
(15.9
(22.2
(9.53
(9.53
(15.9
(22.2
x
x
x
x
x
x
x
x
x
23.8)
13.5)
19.1)
19.1)
23.8)
13.5)
19.1)
19.1)
23.8)
Types 2 and 6
Capacitance Range
(pF)
min
max
2.5
7
4
20
8
45
12
65
16
90
25
115
55
285
90
340
1
Types 3 and 7
Capacitance Range
(pF)
min
max
2.5
12
3.5
25
7.0
40
16.0
100
25.0
150
40.0
200
56.0
250
75.0
300
95.0
350
115.0
400
130.0
450
150.0
500
170.0
550
200.0
600
220.0
650
240.0
700
2
Types 4 and 8
Capacitance Range
(pF)
min
max
3
15
5
30
10
80
20
180
45
280
75
380
105
480
140
580
175
680
215
790
260
900
300
1000
330
1100
360
1200
380
1300
420
1400
3
Model No.
1
GM — 20000
GM — 20200
GM — 20300
GM — 20400
GM — 20500
GM — 20600
GM — 20700
GM — 20800
Model No.
2
GM — 30000
GM — 30100
GM — 30200
GM — 30300
GM — 30400
GM — 30500
GM — 30600
GM — 30700
GM — 30800
GM — 30900
GM — 31000
GM — 31100
GM — 31200
GM — 31300
GM — 31400
GM — 31500
Model No.
3
GM — 40000
GM — 40100
GM — 40200
GM — 40300
GM — 40400
GM — 40500
GM — 40600
GM — 40700
GM — 40800
GM — 40900
GM — 41000
GM — 41100
GM — 41200
GM — 41300
GM — 41400
GM — 41500
Insert letter A, B, C, or D in blank space
for mounting style required.
For type 6, substitute 6 for 2 in the fourth
character of the catalog number.
Example: GMA20200 becomes GMA60200
Insert letter A, B, C, or D in blank space
for mounting style required.
For type 7, substitute 7 for 3 in the fourth
character of the catalog number.
Example: GMA30200 becomes GMA70200
Insert letter A, B, C, or D in blank space
for mounting style required.
For type 8, substitute 8 for 4 in the fourth
character of the catalog number.
Example: GMA40200 becomes GMA80200
2
SPRAGUE-GOODMAN ELECTRONICS, INC., 1700 SHAMES DRIVE, WESTBURY, NY 11590 • TEL: 516-334-8700 • FAX: 516-334-8771 • E-MAIL: info@ spraguegoodman.com
MICA DIELECTRIC TRIMMER CAPACITORS
SG-500D
SPRAGUE-GOODMAN MICA DIELECTRIC TRIMMER CAPACITORS
TYPES 2, 3 and 4 (175 WVDC)
TYPES 6, 7 and 8 (250 WVDC)
Mounting Style A
L
L
Mounting Style B
W
W
0.078
DIA TYP
2.0
B
2
F
B
D DIA
H
0.156
3.97
0.188
4.76
B
2
F
2
E
0.063
1.6
H
B
0.313
7.94
D DIA
(WHEN REQUIRED)
SUGGESTED HOLE LAYOUT
FOR MOUNTING BRACKET
SUGGESTED PRINTED
CIRCUIT LAYOUT
Mounting Style C
L
L
Mounting Style D
W
H
2
W
F
H
F
2
0.094
DIA TYP
2.4
H
1
G
D DIA
(WHEN REQUIRED)
0.172
4.37
0.063
1.59
SUGGESTED PRINTED
CIRCUIT LAYOUT
SUGGESTED PRINTED
CIRCUIT LAYOUT
Type
2&6
3&7
4&8
L
0.531
–––––
13.5
0.750
–––––
19.1
0.750
–––––
19.1
W
0.375
–––––
9.53
0.375
–––––
9.53
0.625
–––––
15.9
H
0.719
–––––
18.3
0.781
–––––
19.8
0.781
–––––
19.8
H
1
0.563
–––––
14.3
0.625
–––––
15.9
0.563
–––––
14.3
H
2
0.719
–––––
18.3
0.625
–––––
15.9
0.969
–––––
24.6
B
0.315
–––––
8.00
0.315
–––––
8.00
0.546
–––––
13.9
D
0.175
–––––
4.45
0.175
–––––
4.45
0.206
–––––
5.23
E
0.188
–––––
4.76
0.188
–––––
4.76
0.281
–––––
7.14
F
0.563
–––––
14.3
0.813
–––––
20.6
0.813
–––––
20.6
G
0.594
–––––
15.1
0.781
–––––
19.8
0.813
–––––
20.6
Dimensions are in/mm.
SPRAGUE-GOODMAN ELECTRONICS, INC., 1700 SHAMES DRIVE, WESTBURY, NY 11590 • TEL: 516-334-8700 • FAX: 516-334-8771 • E-MAIL: info@ spraguegoodman.com
3
MICA DIELECTRIC TRIMMER CAPACITORS
SG-500D
SPRAGUE-GOODMAN MICA DIELECTRIC TRIMMER CAPACITORS
TYPES 1, 5 and 9
0.203
+
0.016
TYP
5.16
+
0.40
A THD
0.875
+
0.031
22.2
+
0.79
0.188
4.76
0.406
+
0.031
10.3
+
0.79
HEX NUT
0.938
+
0.031
23.8
+
0.79
0.156
3.97
X
X
L
0.125
3.18
0.063
TYP
1.59
SPLIT BUSHING DETAIL
0.344
+
0.016
8.73
+
0.40
0.156
+
0.016
3.97
+
0.40
0.031
+
0.016
0.79
+
0.40
Style
E
L
0.250
–––––
6.35
0.188
–––––
4.76
0.281
–––––
7.14
0.188
–––––
4.76
A (Thread)
#12 - 40 UNS - 2
1
/
4
- 40
Special
Feature
None
None
None
Split Bushing
0.500
MAX
13.0
L
0.281
+
0.031
7.14
+
0.79
F
G
H
UNS - 2
1
/
4
- 40 UNS - 2
- 40 UNS - 2
1
/
4
Dimensions are in/mm.
Type 1
Working Voltage:
Test Voltage:
Capacitance Range
(pF)
min
max
15
130
65
340
115
550
190
760
275
970
350
1180
450
1390
550
1600
650
1890
780
2110
880
2330
1150
2605
1300
2830
1400
3055
4
Type 5
Working Voltage:
Test Voltage:
Capacitance Range
(pF)
min
max
15
120
65
320
100
500
180
690
265
880
340
1070
425
1260
525
1415
615
1600
730
1785
800
1970
1000
2155
1100
2340
1200
2525
500 VDC
1000 VDC
Type 9
Working Voltage:
Test Voltage:
Capacitance Range
(pF)
min
max
10
48
45
105
70
160
95
230
100
270
170
350
190
380
250
480
2000 VDC
2700 VDC
250 VDC
500 VDC
Model No.
4
GM — 10201
GM — 10301
GM — 10401
GM — 10501
GM — 10601
GM — 10701
GM — 10801
GM — 10901
GM — 11001
GM — 11101
GM — 11201
GM — 11301
GM — 11401
GM — 11501
Model No.
4
GM — 50201
GM — 50301
GM — 50401
GM — 50501
GM — 50601
GM — 50701
GM — 50801
GM — 50901
GM — 51001
GM — 51101
GM — 51201
GM — 51301
GM — 51401
GM — 51501
Model No.
4
GM — 90201
GM — 90301
GM — 90401
GM — 90501
GM — 90601
GM — 90701
GM — 90801
GM — 90901
Insert letter E, F, G or H in blank space for mounting style (Style H not available in Type 9).
Model numbers are shown with the “01” modification, calling for a mica insulated screw,
which is the way types 1, 5, and 9 are normally supplied.
4
SPRAGUE-GOODMAN ELECTRONICS, INC., 1700 SHAMES DRIVE, WESTBURY, NY 11590 • TEL: 516-334-8700 • FAX: 516-334-8771 • E-MAIL: info@ spraguegoodman.com
©1999 SPRAGUE-GOODMAN ELECTRONICS, INC., ALL RIGHTS RESERVED.
PRINTED IN U.S.A.
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