MICA CAPACITOR
SPECIFICATIONS AND DATA
|
For Dipped Mica
Capacitors MD type, Radial leads only provided, leads are of
Tinned Copper wire/Copper clad steel wire. Crimped leads or
shortened straight leads are provided on special request. |
CHART FOR OPERATING
TEMPERATURE
Type |
Temperature Range |
MD |
-55°C TO + 125°C |
MMR.MM.F1 |
-40°C TO + 100°C |
PTC |
-40°C TO + 85°C |
CYL 1 TO 7 |
-40°C TO + 85°C |
|
CAPACITANCE
TOLERANCE
Capacitors can be supplied with
tolerance ± 0.5%, ±1.0%, ±2.0%, ±5%, ±10%, and ±20%. However
minimum capacitance tolerance is ± 0.5% pF.
C measurement £ 1000 pF at 1 Mhz.
C measurement ³ 1000 pF at 1 Khz. |
TEMPERATURE Co-EFFICIENT &
CAPACITANCE
pF Range |
Temperature Co-efficientPPM°C |
Capacitance Drift |
C £ 50 pF |
-200 TO + 200 |
±(0.5% + 0.1pF) |
C >50 to £ 500 pF |
-100 TO + 100 |
±(0.3%+ 0.1pF) |
C >100 to £ 500 pF |
-20 TO + 100 |
±(0.1% + 0.1pF) |
C > 500 pF |
0 TO + 70 |
± (0.05%+0.1pF) |
|
TANGENT OF
LOSS ANGLE
Capacitance pF |
Measurement Frequency |
Tangent Loss of
Angle |
C < 10pF |
1 MHz |
0.010 max |
C >10pF to £ 25pF |
1 MHz |
0.007 max |
C >25pF to £ 100pF |
1 MHz |
0.003 max |
C>100pF to£
1000pF |
1 MHz |
0.001 max |
C >1000 pF |
1 MHz |
0.001 max |
|
For more details , see Chart 2 & 3
TEST VOLTAGE
To withstand twice the rated voltage for 1 to 3 seconds.
INSULATION RESISTANCE
For c < 10000 pF, more than 105 M.Ohm
after one minute application of 100 V.D.C. at 25°C
For c < 10000 pF, more than
104 M.Ohm after one minute application of 100 V.D.C. at
25°C
( For more details , See Chart 1
MICA CAPACITORS RANGE PER TYPE AND
VOLTAGE
MOULDED AXIAL
TYPE |
500
V D.C. |
300 V
D.C. |
100
V D.C. |
MM 15 |
1 to 250 pF |
251 to 750 pF |
751 to 1000pF |
MM 20 |
4.7 to 510 pF |
511 to 3300 pF |
3301 to 5100pF |
MM 30 |
407 to 3300 pF |
3301 to 5600pF |
5601 to10000pF |
MM 35 |
3300 to 5600pF |
5601to10000pF |
10001to15000pF |
|
MOULDED RADIAL
TYPE |
VOLT |
pF RANGE |
MMR - 1 |
300 V |
5 to 200 pF |
MMR - 2 |
300 V |
200 to 10000 pF |
MMR - 3 |
300 V |
10000 to 20000 pF |
MMR - 4 |
300 V |
20000 to 30000 pF |
|
TYPE |
CAPACITOR
RANGE |
|
5000 V |
3000 V |
2500 V |
2000 V |
1000 V |
500 V |
Other types of Terminals
and sizes are available as per customers drawing &
specification. |
FT 1 |
|
|
100 to 1000pF |
250 to 25000pF |
501 to 125000pF |
100 to 250000pF |
FT 2 |
100 to 2200pF |
100 to 7500pF |
500 to 10000pF |
|
|
|
DIPPED MICA
CAPACITANCE RANGE IN pF |
Type |
2000 V |
1500 V |
1000 V |
500 V |
300 V |
300 V |
MD- 10 |
|
|
|
1 to 240 pF |
241 to 360 pF |
361 to 470 pF |
MD- 15 |
|
|
|
1 to 510 pF |
511 to 820 pF |
821 to 1500 pF |
MD- 19 |
|
|
|
100 to 5100 pF |
5101 to 6800 pF |
6801 to 8200 pF |
MD- 20 |
|
|
|
680 to 10000 pF |
10001 to 12000 pF |
12001 to 15000 pF |
MD- 30 |
101 to 3600 pF |
101 to 6800 pF |
101 to 8200 pF |
1000 to 22000 pF |
22001 to 30000 pF |
30001 to 40000 pF |
MD - 42 |
101 to 7500 pF |
101 to 10000 pF |
101 to 20000 pF |
16000 to 50000 pF |
50001 to 68000 pF |
68001 to 100000 pF |
POWER TRANSMITTING CAPACITORS ARE
AVAILABLE IN BOX TYPE PTC1, PTC2, PTC3 ALSO CYLINDRICAL SHAPE CYL1, CYL2,
CYL3, CTL4, CYL5, CYL6, CYL7 AS PER DETAILS AVAILABLE HERE.
NOTE :- For
Robustness of terminals, Impact ( Bump ), Impact ( shock ), Vibration,
Damp Heat Severity, Temperature Cycling, climaticetc. Our
Capacitors conforms to JSS 50100, JSS 50200, JSS 50201.
|
DIPPED MICA CAPACITORS - MD SERIES
MD 20
<-------------------------------DIMENSIONS IN
MM------------------------------------------>
APACITANCE
( pF ) |
W.V.
(dc) |
L MAX |
W MAX |
T MAX |
P
( ± 0.8 ) |
D MAX |
R MAX |
680 - 1500 |
500 |
19.20 |
13.00 |
5.40 |
10.80 |
0.81 |
3.58 |
1501 - 2000 |
500 |
19.30 |
13.20 |
5.50 |
10.80 |
0.81 |
3.58 |
2001 - 2400 |
500 |
19.50 |
13.60 |
6.40 |
10.80 |
0.81 |
3.58 |
2401 - 3000 |
500 |
19.60 |
13.70 |
6.90 |
10.80 |
0.81 |
3.58 |
3001 - 3600 |
500 |
19.80 |
14.00 |
7.40 |
10.80 |
0.81 |
3.58 |
3601 - 4300 |
500 |
19.80 |
14.20 |
7.80 |
10.80 |
0.81 |
3.58 |
4301 - 5100 |
500 |
20.00 |
14.40 |
8.30 |
10.80 |
0.81 |
3.58 |
5101 - 5600 |
500 |
20.10 |
14.60 |
8.60 |
10.80 |
0.81 |
3.58 |
5601 - 6200 |
500 |
20.10 |
14.70 |
8.80 |
10.80 |
0.81 |
3.58 |
6201 - 6800 |
500 |
20.30 |
14.90 |
9.30 |
10.80 |
0.81 |
3.58 |
6801 - 7500 |
500 |
20.40 |
15.20 |
9.90 |
10.80 |
0.81 |
3.58 |
7501 - 8200 |
500 |
20.50 |
15.40 |
10.40 |
10.80 |
0.81 |
3.58 |
8201 - 9100 |
500 |
20.70 |
15.70 |
10.90 |
10.80 |
0.81 |
3.58 |
9101 - 10000 |
500 |
20.80 |
16.00 |
11.40 |
10.80 |
0.81 |
3.58 |
10001 - 11000 |
300 |
20.40 |
15.10 |
9.60 |
10.80 |
0.81 |
3.58 |
11001 - 12000 |
300 |
20.50 |
15.20 |
10.10 |
10.80 |
0.81 |
3.58 |
12001 - 13000 |
100 |
20.40 |
14.90 |
9.60 |
10.80 |
0.81 |
3.58 |
13001 - 15000 |
100 |
20.50 |
15.20 |
10.10 |
10.80 |
0.81 |
3.58 |
MD 30
<---------------------------------DIMENSIONS IN MM
---------------------------------------->
CAPACITANCE
( pF ) |
W.V.
(dc) |
L MAX |
W MAX |
T MAX |
P
( ± 0.8 ) |
D MAX |
R MAX |
1000 - 2700 |
500 |
19.60 |
21.60 |
6.40 |
10.80 |
1.02 |
3.58 |
2701 - 4700 |
500 |
19.80 |
21.80 |
7.00 |
10.80 |
1.02 |
3.58 |
4701- 5600 |
500 |
19.80 |
22.00 |
7.30 |
10.80 |
1.02 |
3.58 |
5601 - 6800 |
500 |
20.00 |
22.10 |
7.60 |
10.80 |
1.02 |
3.58 |
6801 - 8200 |
500 |
20.20 |
22.40 |
8.10 |
10.80 |
1.02 |
3.58 |
8201 - 10000 |
500 |
20.30 |
22.60 |
8.60 |
10.80 |
1.02 |
3.58 |
10001 - 13000 |
500 |
20.50 |
22.80 |
9.30 |
10.80 |
1.02 |
3.58 |
13001 - 16000 |
500 |
20.80 |
23.00 |
10.40 |
10.80 |
1.02 |
3.58 |
16001 - 20000 |
500 |
21.00 |
23.30 |
11.40 |
10.80 |
1.02 |
3.58 |
20001 - 22000 |
500 |
21.30 |
23.60 |
12.10 |
10.80 |
1.02 |
3.58 |
22001 - 27000 |
300 |
20.80 |
23.10 |
11.00 |
10.80 |
1.02 |
3.58 |
27001 - 30000 |
300 |
21.00 |
23.30 |
11.60 |
10.80 |
1.02 |
3.58 |
30001 - 36000 |
100 |
21.20 |
23.30 |
11.40 |
10.80 |
1.02 |
3.58 |
36001 - 40000 |
100 |
21.30 |
23.30 |
11.90 |
10.80 |
1.02 |
3.58 |
* This type can be supplied for
higher WDVC of upto 2000 upon request.
MD 42
<------------------------------------DIMENSIONS IN MM
--------------------------------------------------->
CAPACITANCE
( pF ) |
W.V.
(dc) |
L MAX |
W MAX |
T MAX |
P
( ± 0.8 ) |
D MAX |
R MAX |
16000 - 20000 |
500 |
36.00 |
22.30 |
7.60 |
26.67 |
1.02 |
3.58 |
20001 - 24000 |
500 |
36.30 |
22.50 |
8.10 |
26.67 |
1.02 |
3.58 |
24001 - 30000 |
500 |
36.50 |
22.60 |
8.80 |
26.67 |
1.02 |
3.58 |
30001 - 36000 |
500 |
36.80 |
22.80 |
9.60 |
26.67 |
1.02 |
3.58 |
36001 - 43000 |
500 |
37.00 |
23.10 |
10.60 |
26.67 |
1.02 |
3.58 |
43000 - 51000 |
500 |
37.50 |
23.30 |
11.90 |
26.67 |
1.02 |
3.58 |
51001 - 56000 |
300 |
37.00 |
23.10 |
10.60 |
26.67 |
1.02 |
3.58 |
56001 - 68000 |
300 |
37.50 |
23.30 |
11.90 |
26.67 |
1.02 |
3.58 |
68001 - 75000 |
100 |
37.30 |
23.10 |
11.10 |
26.67 |
1.02 |
3.58 |
75001 - 82000 |
100 |
37.50 |
23.30 |
11.60 |
26.67 |
1.02 |
3.58 |
82001 - 91000 |
100 |
37.80 |
23.50 |
12.40 |
26.67 |
1.02 |
3.58 |
91001 - 100000 |
100 |
38.10 |
23.80 |
12.70 |
26.67 |
1.02 |
3.58 |
* This type can be supplied for
higher WDVC of upto 2000 upon request. |
CYLINDRICAL TYPE POWER TRANSMITTING CAPACITOR

TYPE |
DIAMETER |
HEIGHT |
PF Max |
VOLTAGE
Max |
Size of THREADSCREW at
centre of flat surfaces |
Remarks |
CYL - 1 |
50 |
30 |
1500
500 |
20 KVDC
10 KVDC |
M - 6
M - 6 |
Other type of
terminals can be provided on request |
CYL - 2 |
60 |
38 |
1500 |
30 KVDC |
M - 6 |
CYL - 1 |
50 |
30 |
1000
1500 |
20 KVDC
10 KVDC |
M - 6
M - 6 |
CYL - 4 |
70 |
50 |
2500 |
30 KVDC |
M - 6 |
CYL - 5 |
80 |
50 |
5000 |
30 KVDC |
M - 6 |
CYL - 6 |
80 |
75 |
5000 |
30 KVDC |
M - 6 |
CYL - 7 |
150 |
120 |
10000 |
50 KVDC |
M - 8 |
Technical Specifications :-
1. Max Voltage - 40 KV.DC
2. Capacitance : 2.5 nf. or nearest standard
3. Repctition Rate :- 100 Hz
4. Inductance : < 100 nH
5. Average discharge current : 1 KA for a duration of 200
ns. current pulse
6. 20% voltage reversal
7. LIFE ~ 107shots.
NOTE :-
1. Besides above sizes , we can
supply in other sizes as per customer dimensions , depending on
Capacitance and Voltage rating.
2. Both type high Voltage capacitance and also made
as per customer dimension , depending on capacitance and Voltage rating .
3. High Voltage capacitors
potted in Tubular Ceramic Casing with aluminium flanges on both sides can
be manufactured . |
INTERED SILVERED MICA CHIPS

<--DIMENSION(mm)-->
<------------CAPACITANCE RANGE pF---------------------->
TYPE |
L MAX |
W MAX |
500 V |
300 V |
100 V |
THICKNESS(I)
MAXIMUM |
REMARKS |
SC - 05 |
4.5 |
3.5 |
1 to 120 |
1 to 300 |
1 to 500 |
2 mm ± 0.25 |
Actual
thickness of
chips depands on
particular pF values.
Chips can be
supplied upto 1000
V working in Type
SC-30 & SC-42
but pf range will be
low. |
SC - 10 |
6.8 |
3.5 |
51 to 500 |
51 to 750 |
51 to 1000 |
2 mm ± 0.25 |
SC - 15 |
8.2 |
4.2 |
100 to 1000 |
100 to 1500 |
100 to 2000 |
2 mm ± 0.25 |
SC -19 |
10.2 |
8.2 |
250 to 5000
5001 to 8200 |
250 to 8200
8201 to 12000 |
250 to 10000
10001 to 15000 |
2 mm ± 0.25
3 mm ± 0.25 |
SC - 30 |
14.2 |
14.2 |
1000 to 9000
9001 to 15000
15001 to 20000 |
1000 to 13000
13001 to 19000
19001 to 27000 |
1000 to 18000
18001 to 27000
27001 to 39000 |
2 mm ± 0.25
3 mm ± 0.25
4 mm ± 0.25 |
SC - 42 |
25.2 |
12.2 |
2500 to 19000
19001 to 24000
24001 to 30000 |
2500 to 26000
26001 to 34000
34001 to 43000 |
2500 to 30000
30001 to 41000
41001 to 50000 |
3 mm ± 0.25
4 mm ± 0.25
5 mm ± 0.25 |
Note :
1) Silvered Mica Chips are relatively very
high Capacitance value to low volume ratio, without any compromise of mica
dielectric in terms of high reliability.
2) Chips are without connection as both
output edges are designed to be soldered directly to the point of contact
with the substrate. Soldering at 180°C is possible but it needs care as
soldering time should be very short and soldering iron should be
temperature controlled.
3) Chips are uncapsulated and final
encpsulation is designed to be common with rest of the circuit.
4) The quality of final protection
determines the performance of these chips. The characteristics of Mica
Capacitors as per technical specification P.3 and P.4 can be up-held only
after complete encapsulation. This encapsulation plays a vital role.
5) It is important for this chips before
using them to solve at 125°C for a few hours.
|