Home | | | | Tubular Ceramic Capacitors

Tubular Capacitors

Ceramic Capacitors

We offer a wide variety of tubular ceramic capacitors, which are small in size, lightweight, non-polar, and offer high dielectric strength. These capacitors are fired to produce true monolithic structures, which are impervious to moisture and contamination. 

API's ceramic capacitors are designed and produced in our State College, PA (USA) facility.

  • Ideal for multi-pin connector applications
  • Small, lightweight, reliable, high dielectric strength
  • Uniform insertion loss over a broad frequency range
  • Feedthrough and PI type configurations availabl
  • High ratio of capacitance to volume
  • Low inductance, non-polar
  • Impervious to moisture and contamination
  • 0.081" 0.122" diameter
  • Outer terminations feature a nickel barrier and a final metal layer, typically silver.
  • Operating temperatures of –55°C to +125°C are achieved with no voltage de-rating. 
  • High frequency applications
  • EMI filtering and multi-pin connectors
  • Medical devices
  • EMI/RFI suppression filters
  • Commercial applications
  • Defense applications
  • Power supplies
  • Converters
  • Multi-line designs
  • Industrial control process

Solid FT

tubular capacitors

Solid Pi

tubular capacitors

Multi-Layered FT

tubular capacitors

Multi-Layered Pi

tubular capacitors

Electrical Parameter Test Method Temperature Coefficient
NP0 X7R Z5U
Temperature Coefficient EIA 198 ±30 ppm/°C,
-55 to +125°C
±15%,
-55 to +125°C
+22, -56%,
+10 to +85°C
Capacitance
Tolerance
EIA Tolerance Code K, M, P K, M, P M, P, Z
Capacitance Test
@ 25°C
MIL-STD-202,
Method 305
Cap = 100 pF: 1 MHz, 1 Vrms
Cap > 100 pF: 1 KHz, 1 Vrms
1 KHz, 1 Vrms 1 KHz, 0.5 Vrms
Dissipation Factor
@ 25°C
MIL-STD-202,
Method 305
0.15% Max 3.5% Max 3.5% Max
Aging Rate
(Per Decade)
  0% <2.0% <3.5%
Insulation
Resistance
@ 25°C
MIL-STD-202,
Method 302
1000 MO · µF
or 100 KMO,
whichever is less
1000 MO · µF
or 100 KMO,
whichever is less
1000 MO · µF
or 100 KMO,
whichever is less
Insulation
Resistance
@ 125°C
MIL-STD-202,
Method 302
100 MO · µF
or 10 KMO,
whichever is less
100 MO · µF
or 10 KMO,
whichever is less
100 MO · µF
or 10 KMO,
whichever is less
Dielectric
Withstanding
Voltage
MIL-STD-202,
Method 301
250% of Rated Voltage,
5 second hold,
30-50 mA
250% of Rated Voltage,
5 second hold,
30-50 mA
250% of Rated Voltage,
5 second hold,
30-50 mA