Military Glass-K Capacitors
MIL-PRF-39014/21
CKR31, 32
APPLICATIONS
These miniature multilayer ceramic capacitors, style CKR31
and CKR32, are qualified to Established Reliability specification
MIL-PRF-39014/21. High volumetric efficiency and reliable perform-
ance result from the special GLASS-K dielectric, which is fused into
a compact monolithic structure. These capacitors are available in
three different stability characteristics.
CKR31BT
CKR31
CKR32BT
CKR32
31.75
(1.250)
Min.
D
PERFORMANCE CHARACTERISTICS
Tolerance:
±20% and ±10% in characteristics “U” and “V”,
and ±10% and ±5% in characteristic “T”.
Stability Characteristics:
Available as follows:
BT-TC: +2, -10%; TVC: +2, -10%
BU-TC: +2, -15%; TVC: +2, -15%
BV-TC: +20, -45%; TVC: +20, -50%
Dissipation Factor:
BT:
≤
1.0%
BU:
≤
1.5%
BV:
≤
3.0%
Life:
Meets or exceeds requirements of MIL-PRF-39014. At
200% of rated voltage, 125°C, at 4,000 hours, the capaci-
tance change for each stability characteristic is as follows:
BT: ±5%
BU: ±10%
BV: ±20%
Insulation Resistance:
At 25°C, 100,000 megohms or
1,000 megohm-microfarads. At 125°C, 10,000 megohms or
100 megohm-microfarads.
Voltage/Temperature Rating:
Rated voltage is 50 Vdc.
The operating temperature range is -55°C to +125°C.
Moisture Resistance:
Meets or exceeds requirements of
MIL-PRF-39014 and MIL-STD-202, Method 106. The
capacitance change is less than 2% for stability character-
istics T and U, and less than 5% for characteristic V.
L
DIMENSIONS:
Case
Size
CKR31
CKR32
millimeters (inches)
D
±.254 (0.010)
2.29
(0.090)
3.30
(0.130)
L
±.254 (0.010)
6.09
(0.240)
6.09
(0.240)
Lead Dia.
+0.1(+0.004)
-0.03(±0.001)
.41
(0.016)
.41
(0.016)
Weight
(Grams)
(Typ.)
.2
.3
Note:
Leads are gold-plated, solderable and weldable per MIL-STD-1276,
Type D.
QUICK SELECTION GUIDE
Capacitance – pF
270 – 10,000
12,000 – 20,000
22,000 – 39,000
47,000 – 51,000
56,000 – 100,000
Style
CKR
31
31
32
31
32
31
32
Stability
Char.
BT
BU
BT
BV
BU
BV
BV
43
AVX [ AVX CORPORATION ]
