High-Q Porcelain P90 Capacitors, Case Size 0505
Ultra-Stable, Low ESR Porcelain, RF Capacitors for Low-Frequency Power Applications.
Made in North America.
Overview
When RF power handling, low insertion loss, and thermal stability are critical, Johanson's EIA 0505, P90 capacitors provide a compact solution optimized for demanding RF applications. Built with a high-fire porcelain dielectric, these capacitors deliver exceptionally low ESR, high Q values, and predictable performance across a wide operating temperature range.
The 0505 Power-Q series helps designers reduce RF losses, improve amplifier efficiency, minimize heat generation, and maintain stable circuit performance in matching networks, filters, MRI systems, radar equipment, and RF test instrumentation. With typical Q values exceeding 10,000 and operation up to +200°C, these capacitors are engineered for applications where reliability and RF performance cannot be compromised.
Benefits:
- Reduce RF losses with ultra-low ESR and high-Q construction
- Improve power amplifier efficiency and thermal performance
- Maintain stable capacitance behavior across extreme temperatures
- Minimize insertion loss in matching and filter networks
- Enable reliable operation in demanding RF power applications
- Compact 0505 footprint for space-constrained designs
- Non-magnetic construction suitable for MRI and sensitive RF systems
Electrical Performance:
- Dissipation Factor: 0.1% maximum
- Quality Factor: >1,000 minimum
- Typical Q: >10,000
- Insulation Resistance:
- 100 GΩ at 25°C
- 10 GΩ at 125°C
- Operating Temperature: -55°C to +200°C
- P90 Temperature Coefficient:
- +90 ppm/°C ±20 ppm (-55°C to +125°C)
- +90 ppm/°C ±30 ppm (+125°C to +200°C)
Typical Applications:
- RF power amplifiers
- RF matching networks
- Filter networks
- MRI coils
- RF and microwave test equipment
- High-power radio systems
- Radar systems
- Broadband wireless equipment
- DC blocking and bypass circuits
- Semiconductor manufacturing equipment
What design challenges does case size 0505, P90 capacitors help address?
These capacitors help engineers:
- Reduce RF losses
- Improve amplifier efficiency
- Minimize heat generation
- Maintain stable circuit performance
- Support reliable operation in demanding RF power applications
- Meet space constraints with a compact 0505 footprint
Contact Johanson Applications Engineers for questions or samples.
| Size | Units | Length | Width | Thickness | End Band |
|---|---|---|---|---|---|
| 0505 | inches | .055 +.015 -.010 | .055 ±.015 | .057 Max | .010 +.010 -.005 |
| mm | (1.38 +.38 -.25) | (1.38 ±.38) | (1.45 Max.) | (0.25 +.25 -.13) |
CAPACITANCE AND VOLTAGE RANGE
| Case Size | Standard Cap Values and Highest Rated Voltages (0.2 pF to 100 pF) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| EIA [Metric] | 0.2 | 0.3 | 0.4 | 0.5 | 0.6 | 0.7 | 0.8 | 0.9 | 1.0 | 1.1 | 1.2 | 1.3 | 1.4 | 1.5 | 1.6 | 1.7 | 1.8 | 1.9 | 2.0 | 2.1 | 2.2 | 2.4 | 2.7 | 3.0 | 3.3 | 3.6 | 3.9 | 4.3 | 4.7 | 5.1 | 5.6 | 6.2 | 6.8 | 7.5 | 8.2 | 9.1 | 10 | 11 | 12 | 13 | 15 | 16 | 18 | 20 | 22 | 24 | 27 | 30 | 33 | 36 | 39 | 43 | 47 | 51 | 56 |
| 0505 [1414] | 250V | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
What is the new 0505 case size?
The 0505 package is the newest addition to Johanson Technology's P90 High-Q Porcelain Capacitor family, providing a compact footprint for RF and power applications.
Does the 0505 version maintain the same High-Q performance as larger P90 case sizes?
Yes. The 0505 case size is designed to provide the same low-loss, high-Q characteristics that define the P90 product family.
What applications are best suited for the 0505 package?
The 0505 package is well suited for space-constrained RF designs including matching networks, filters, amplifiers, wireless infrastructure equipment, and compact RF modules.
How does a High-Q capacitor improve RF performance?
High-Q capacitors minimize energy loss, lower ESR, reduce insertion loss, and improve overall RF system efficiency and signal integrity.
What frequency range is the P90 family designed for?
P90 High-Q Porcelain Capacitors are optimized for low-frequency power handling applications below 100 MHz.