MIL-PRF-55681/Chips
Military Part Number Identification
CDR31 thru CDR35
MILITARY DESIGNATION PER MIL-PRF-55681
Part Number Example
L
W
D
t
(example)
CDR31
BP
101
B
K
S
M
MIL Style
Voltage-temperature
Limits
T
Capacitance
Rated Voltage
Capacitance Tolerance
Termination Finish
Failure Rate
MIL Style:
CDR31, CDR32, CDR33, CDR34, CDR35
Voltage Temperature Limits:
BP = 0 ± 30 ppm/°C without voltage; 0 ± 30 ppm/°C with
rated voltage from -55°C to +125°C
BX = ± 15% without voltage; +15 –25% with rated voltage
from -55°C to +125°C
Capacitance:
Two digit figures followed by multiplier
(number of zeros to be added) e.g., 101 = 100 pF
Rated Voltage:
A = 50V, B = 100V
Capacitance Tolerance:
C ±.25 pF, D ±.5 pF, F ±1%
J ±5%, K ±10%, M ±20%
Termination Finish:
M = Palladium Silver
N = Silver Nickel Gold
S = Solder-coated
U = Base Metallization/Barrier
Metal/Solder Coated*
W = Base Metallization/Barrier
Metal/Tinned (Tin or Tin/
Lead Alloy)
*Solder shall have a melting point of 200°C or less.
Failure Rate Level:
M = 1.0%, P = .1%, R = .01%,
S = .001%
Packaging:
Bulk is standard packaging. Tape and reel
per RS481 is available upon request.
CROSS REFERENCE: AVX/MIL-PRF-55681/CDR31 THRU CDR35
Per MIL-PRF-55681
(Metric Sizes)
CDR31
CDR32
CDR33
CDR34
CDR35
AVX
Style
0805
1206
1210
1812
1825
Length (L)
(mm)
2.00
3.20
3.20
4.50
4.50
Width (W)
(mm)
1.25
1.60
2.50
3.20
6.40
Thickness (T)
Max. (mm)
1.3
1.3
1.5
1.5
1.5
D
Min. (mm)
.50
—
—
—
—
Termination Band (t)
Max. (mm) Min. (mm)
.70
.30
.70
.70
.70
.70
.30
.30
.30
.30
27
ETC [ ETC ]
