1. Product Overview:

️· Type: High-quality Mica Capacitors.
️· Series: DM Series – designed to meet MIL-C-5 and RS-153 specifications (military and high-reliability applications).
️· Ideal For: Tuning, timing, filtering, and coupling circuits demanding precision and stability.

2. Key Features & Specifications:

️· Capacitance Range: 1 pF to 82,000 pF
️· Voltage Rating: 50 V DC to 500 V DC (custom voltages available).
️· Temperature Rating: -40°C to +150°C.
️· Insulation Resistance: 100,000 MΩ minimum (at 25°C, up to 10,000 pF; varies with capacitance – see datasheet curves).
️· Dissipation Factor: <0.1% at 1 MHz (100-1000pF), <0.2% at 1 kHz (>1000pF).
️· Stability: Low loss and high stability.
️· Tolerance: Available in close tolerances.

3. Case Sizes & MIL Equivalents:

️· Case Sizes: DM05, DM10, DM12, DM15, DM19, DM20, DM30, DM42.
️· MIL-C-5 Equivalents: Some case sizes are equivalent to MIL-C-5 components (e.g., DM10 = CM04, DM15=CM05).

4. Testing and Reliability:

️· Life Test: Can withstand 1.5x rated DC voltage at 125°C for 2000 hours with minimal change in characteristics (capacitance, dissipation factor, insulation resistance).

5. Mechanical Dimensions:

️· Detailed mechanical drawings with dimensions in both millimeters and inches are provided for each case size. The datasheet specifies lead dimensions.

6. Ordering Information:

️· The datasheet enables selection of the appropriate case size, capacitance, voltage rating, and lead style.

In essence, this document is a technical reference for engineers and purchasers looking for high-reliability mica capacitors for demanding applications. It provides all the necessary electrical, mechanical, and testing information for proper selection and implementation.




️· Compare the different case sizes.
️· Focus on the test specifications.
️· Summarize the mechanical dimension tables.
️· Explain the MIL-C-5 equivalencies.