20
•
•
•
•
•
•
# Note on Failure Rates: Exponential failure rate levels M, P, R and S are inactive for new design per Mil-C-55365.
Parts qualified to Weibull failure rate levels are substitutable for exponential failure rate levels.
Established reliability military version of
Industrial Grade T491 series
Taped and reeled per EIA 481-1
Precision-molded, laser-marked case
Symmetrical, compliant terminations
100% Surge Current test available for all case sizes
Operating Temperature: -55˚C to + 125˚C
Notes: 1. Metric dimensions govern
* Mil-PRF-55365/8 Specified Dimensions
KEMET
©KEMET Electronics Corporation, P.O. Box 5928, Greenville, S.C. 29606, (864) 963-6300
Case Size
A
B
C
D
Tantalum
Series
T492 - Precision Molded, Style CWR11
Case Size
A, B, C, D
Capacitance Picofarad Code
First two digits represent significant figures.
Third digit specifies number of zeros to follow.
Capacitance Tolerances
M = ±20%; K = ±10%; J = ±5%
Voltage
As shown
2. (Ref) Dimensions provided for reference only
* Part Number Example: T492B105K035BS (14 digits - no spaces)
* See www.kemet.com for Pb Free transition.
3216-18
3528-21
6032-28
7343-31
EIA
Style
Capacitors, Chip, Fixed Tantalum
Established Reliability, (encapsulated)
Voltage
C = 4V
D = 6V
F = 10V K = 25V
Termination Finish Code
B = Gold Plated
H = Solder Plated
Capacitance Picofarad Code
First two digits represent significant figures.
Third digit specifies number of zeros to follow.
(.126 ± .008)
(.138 ± .008)
(.287 ± .012)
.236 ± .012
3.2 ± 0.2
3.5 ± 0.2
6.0 ± 0.3
7.3 ± 0.3
L*
H = 15V
J = 20V
T492 SERIES – Style CWR11 Per Mil-PRF-55365/8
T
(.063 ± .008)
(.110 ± .008)
(.126 ± .012)
(.169 ± .012)
C = Hot Solder Dipped
K = Solder Fused
1.6 ± 0.2
2.8 ± 0.2
3.2 ± 0.3
4.3 ± 0.3
M - 35V
N = 50V
W*
492
CWR11 M
(.063 ± .008)
(.075 ± .008)
(.098 ± .012)
(.110 ± .012)
1.6 ± 0.2
1.9 ± 0.2
2.5 ± 0.3
2.8 ± 0.3
B
H*
105
F*
± (.004)
(.047)
(.087)
(.087)
(.094)
1.2
2.2
2.2
2.4
± 0.1
K
H
S*
± (.012)
(.031)
(.031)
(.051)
(.051)
0.8
0.8
1.3
1.3
035
± 0.3
105
Component
Millimeters (Inches)
Weibull: B (0.1%/1000 hrs.); C (0.01%/1000 hrs.); D (0.001%/1000 hrs.)
# Exponential: M (1.0%/1000 hrs.); P (0.1%/1000 hrs.), R (0.01%/1000 hrs.);
S (0.001%/1000 hrs.)
•
(Ref) ± .006
B
(.016)
(.016)
(.020)
(.020)
B
0.4
0.4
0.5
0.5
K
± 0.15
– Termination Options B, C, H, K
– Weibull failure rate codes B, C and D
– Capacitance values and voltages as shown
Qualified to MIL-PRF-55365/8, Style CWR11:
# Inactive for
in following part number table. (Contact
KEMET for latest qualification status)
New Design
S
(.004 ± .004)
(.004 ± .004)
(.004 ± .004)
(.004 ± .004)
B
0.10 ± 0.10
0.10 ± 0.10
0.10 ± 0.10
0.10 ± 0.10
P
(Ref)
X
4250
# Exponential not recommended for new design
A
Weibull:
#Exponential: M (1.0%/1000 hrs.)
A = +25°C after Weibull
B = -55°C +85°C after Weibull
C = -55°, & +85°C before Weibull
Z = None
(.016)
(.020)
(.035)
(.035)
M = ±10%; K = ±10%; J = ±5%
4250 = +25°C after Weibull
4251 = -55° +85°C after Weibull
4252 = -55, & +85°C before Weibull
(Ref)
0.4
0.5
0.9
0.9
P
Capacitance Tolerances
Surge Current Option
Failure Rate Symbol
(.016)
(.039)
(.039)
(.039)
(Ref)
0.4
1.0
1.0
1.0
R
B (0.1%/1000 hrs.)
C (0.01%/1000 hrs.)
D (0.001%/1000 hrs.)
P (0.1%/1000 hrs.)
R (0.01%/1000 hrs.)
S (0.001%/1000 hrs.)
Surge Current Option
Failure Rate Symbol
(.005)
(.005)
(.005)
(.005)
(Ref)
0.13
0.13
0.13
0.13
B = Gold
C = Hot Solder Dip
H or S = Solder Plated
K = Solder Fused
T
(.055)
(.043)
(.122)
(.150)
(Min)
Lead Material
1.4
1.1
3.1
3.8
A
(.043)
(.071)
(.138)
(.110)
(Ref)
1.1
1.8
2.8
3.5
G
(.051)
(.087)
(.094)
(.138)
(Ref)
1.3
2.2
2.4
3.5
E