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HECR Series - Avionicap®

The Avionicap® HECR type capacitor is a hermetically sealed version of our Avionicap® ECR type series, which has gained broad acceptance in the electronic industry.

Key Features

  • For hostile environments where pcb density
  • and system miniaturization are required.
  • Effective replacement for conventional
  • tubular axial leaded capacitors.

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Compact Size Brings a Competitive Edge

The HECR capacitor is qualified to MIL-C-39022/11, styles CHR20 through CHR25.

It features radial leads and miniature rectangular size, measuring as compact s .110″ x .210″ x .240″. Therefore, significantly less area on a printed circuit board is required, as compared to conventional tubular axial leaded capacitors. The HECR capacitors can be supplied with a plastic sleeve to insulate them from other components on the circuit board. A low profile version ins also available for applications where component height is critical. Electrical properties are the same as those of the standard tubular metallized polycarbonate capacitor even though the package is much more compact.

The HECR metallized polycarbonate capacitor represents a competitive edge for the user because of its compact size, more functional shape, MIL qualification and availability.

Additional Information

Capacitance Range

  • 0.001µF to 1.0µF
  • Capacitance is measured at 25°C and at, or referred to, a frequency of 1KHz.

Capacitance Tolerance

  • K=±10%, J=±5%, G=±2%, F=±1%

Operating Temperature Range

  • -55°C to 125°C

Enclosure/ Construction

  • Hermetically sealed ceramic case with tinned metal end caps.

Voltage Rating

  • DC working voltage ratings at +85

Quality Control

  • Capacitors are tested 100% for:
    • Capacitance
    • Tolerance
    • Dissipation Factor
    • Dielectric withstanding Voltage
    • Insulation Resistance
    • Seal Per Method 112 of MIL-STD-202 HECR – test condition A
    • M39022/11 – also tested to condition C, procedure IIIa.

Environmental

ParameterMethodCondition
Vibration204D
Immersion104C
Shock213I
Humidity106
Thermal Shock107B
Life108F
Reference MIL-STD 202
CASE NUMBER
VALUE IN MFDVDCVALUE IN MFDVDCVALUE IN MFDVDC
305010015020030030501001502003003050100150200300
0.0010-----10.010-12--30.10-356--
0.0012-----10.012-12-340.12-35---
0.0015-----10.015-12-340.15-36---
0.0018-----10.018-1--350.18346---
0.0022----120.022-1-3450.22346---
0.0027----120.027-1-3450.2734----
0.0033---1230.0331234560.3345----
0.0039---1230.0391234560.3945----
0.0047---1230.047123-5-0.4756----
0.0056--12-30.05620356-0.5656----
0.0068--12-30.06823456-0.6856----
0.0082--1--30.0822346--0.826-----
--------------1.006-----


CASE DIMENSIONS
CASE NO.T   HLS  
+0.030+ 0.030+ 0.030 ±0.015
- 0.010- 0.010- 0.020
10.1100.2100.2400.200
20.1700.2700.2400.200
30.1700.2700.3400.300
40.1900.3800.3400.300
50.1900.3800.4500.400
60.2200.5000.4500.400
Note: When specifying insulated case capacitors, add 0.025" to the T and L dimensions, and 0.040" to the H dimension.


hecr

Insulation Resistance

Temperature (°C)2585125
Megaohms x Microfarads100,0007,000700
Insulation Resistance

 

hecr-3

 

Dielectric Strength

Capacitors will withstand a DC potential of 200% rated voltage for two (2) minutes without damage or breakdown. Test voltage is applied and discharged through a resistance of 1 OHM per volt minimum, and at 25°C.

 

Capacitance Change

Temperature (°C)-552585125
Percentage Change (typical)-2.50±±
Capacitance Change

 

hecr-4

 

Dissipation Factor

When measured at 1KHz, the dissipation factor will not exceed 0.2% form +25° to 125°C

 

hecr-5

  • #22 AWG tinned copper clad steel terminals