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Igniter Elements
|
STE2-4 |
STE3-5 |
STE5-10 |
STE6-15S |
STE6-16 |
STE7-15 |
Type |
Impact |
Impact |
Impact |
Squeeze |
Impact |
Impact |
Diameter (mm) |
2.15 ± 0.05 |
3.00 ± 0.05 |
5.00 ± 0.05 |
6.35 ± 0.05 |
6.27 ± 0.05 |
7.00 ± 0.05 |
Length (mm) |
4.50 ± 0.08 |
5.00 ± 0.08 |
10.00 ± 0.1 |
15.00 ± 0.1 |
16.00 ± 0.1 |
15.00 ± 0.1 |
Density (ρ) |
7.6 |
7.6 |
7.6 |
7.6 |
7.7 |
7.7 |
Dielectric Constant (E) |
950 ± 50 |
980 ± 100 |
980 ± 50 |
1100 ± 100 |
2000 |
2000 |
Electric Capacity (c) |
8 ± 2(pf) |
10 ± 2(pf) |
14 ± 4(pf) |
20 ± 2(pf) |
38 ± 2(pf) |
50 ± 5(pf) |
Electro-Mechanical coupling factor (K33) |
≥ 0.68 |
≥ 0.65 |
≥ 0.68 |
0.65 |
0.75 |
0.75 |
Output Voltage Constant (G33) |
|
28 ± 2
(10-3V·m/N) |
31 ± 2
(10-3V·m/N) |
30 ± 2
(10-3V·m/N) |
28 ± 2
(10-3V·m/N) |
28 ± 2
(10-3V·m/N) |
Piezoelectric Charge Constants (D33) |
≥ 290 (PC/N) |
≥ 300 (PC/N) |
≥ 260 (PC/N) |
≥ 300 (PC/N) |
≥ 450 (PC/N) |
≥ 500 (PC/N) |
Curie Point (Tc) |
≥ 310°C |
≥ 310°C |
≥ 310°C |
≥ 310°C |
≥ 300°C |
≥ 300°C |
Temperature for Operation |
Under 100°C |
Under 100°C |
Under 120°C |
Under 120°C |
Under 120°C |
Under 120°C |
Insulation Resistance |
Over 50,000 MΩ |
Over 50,000 MΩ |
Over 50,000 MΩ |
Over 50,000 MΩ |
Over 50,000 MΩ |
Over 50,000 MΩ |
Static Compressive Strength |
More than 3,000 Kg/cm2 |
More than 3,000 Kg/cm2 |
More than 4,000 Kg/cm2 |
More than 6,000 Kg/cm2 |
More than 5,000 Kg/cm2 |
More than 5,000 Kg/cm2 |
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