SOLID TANTALUM CHIP CAPACITORS
T492 SERIES – Style CWR11 Per Mil-PRF-55365/8
• 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
• Qualified to MIL-PRF-55365/8, Style CWR11:
– Termination Options B, C, H, K
– Weibull failure rate codes B, C and D
– Capacitance values and voltages as shown
in following part number table. (Contact
KEMET for latest qualification status)
T492 OUTLINE DRAWINGS
CATHODE (-) END
VIEW
SIDE VIEW
ANODE (+) END
BOTTOM VIEW
VIEW
B
W
B
H
E
F
K
T
P
P
A
L
Termination
cutout at
KEMETs
Option,
S
R
S
X
G
either end
DIMENSIONS – Millimeters (Inches)
Case Size
Component
X
(Ref)
P
R
T
A
G
E
F* ± 0.1 S* ± 0.3
B ± 0.15
(Ref) ± .006
KEMET
EIA
L*
3.2 ± 0.2
W*
H*
± (.004)
± (.012)
(Ref) (Ref) (Ref) (Min) (Ref) (Ref)
1.6 ± 0.2
1.6 ± 0.2
1.2
0.8
0.4
(.016)
0.10 ± 0.10
0.4 0.4 0.13 1.4 1.1 1.3
A
B
C
D
3216-18
3528-21
6032-28
7343-31
(.126 ± .008) (.063 ± .008) (.063 ± .008) (.047)
3.5 ± 0.2 2.8 ± 0.2 1.9 ± 0.2 2.2
(.138 ± .008) (.110 ± .008) (.075 ± .008) (.087)
(.031)
(.004 ± .004) (.016) (.016) (.005) (.055) (.043) (.051)
0.10 ± 0.10 0.5 1.0 0.13 1.1 1.8 2.2
(.004 ± .004) (.020) (.039) (.005) (.043) (.071) (.087)
0.10 ± 0.10 0.9 1.0 0.13 3.1 2.8 2.4
(.004 ± .004) (.035) (.039) (.005) (.122) (.110) (.094)
0.10 ± 0.10 0.9 1.0 0.13 3.8 3.5 3.5
(.004 ± .004) (.035) (.039) (.005) (.150) (.138) (.138)
0.8
(.031)
0.4
(.016)
6.0 ± 0.3
.236 ± .012
3.2 ± 0.3
2.5 ± 0.3
2.2
1.3
0.5
(.020)
(.126 ± .012) (.098 ± .012) (.087)
(.051)
7.3 ± 0.3
4.3 ± 0.3 2.8 ± 0.3 2.4
1.3
0.5
(.020)
(.287 ± .012) (.169 ± .012) (.110 ± .012) (.094)
(.051)
Notes: 1. Metric dimensions govern
2. (Ref) Dimensions provided for reference only
* Mil-PRF-55365/8 Specified Dimensions
ORDERING INFORMATION — MIL-PRF-55365 Part Number
CWR11
M
H
105
K
B
A
Style
Surge Current Option
A = +25°C after Weibull
Capacitors, Chip, Fixed Tantalum
Established Reliability, (encapsulated)
B = -55°C +85°C after Weibull
C = -55°, & +85°C before Weibull
Z = None
Voltage
C = 4V H = 15V M - 35V
D = 6V J = 20V N = 50V
F = 10V K = 25V
Failure Rate Symbol
Weibull:
B (0.1%/1000 hrs.)
C (0.01%/1000 hrs.)
D (0.001%/1000 hrs.)
Termination Finish Code
B = Gold Plated
C = Hot Solder Dipped
#Exponential: M (1.0%/1000 hrs.)
P (0.1%/1000 hrs.)
H = Solder Plated K = Solder Fused
# Inactive for
New Design
Capacitance Picofarad Code
First two digits represent significant figures.
Third digit specifies number of zeros to follow.
R (0.01%/1000 hrs.)
S (0.001%/1000 hrs.)
Capacitance Tolerances
M = ±10%; K = ±10%; J = ±5%
T492 SERIES ORDERING INFORMATION — KEMET Part Number
T
492
B
105
K
035
B
S
4250
Tantalum
Series
Surge Current Option
4250 = +25°C after Weibull
4251 = -55° +85°C after Weibull
4252 = -55, & +85°C before Weibull
Lead Material
T492 - Precision Molded, Style CWR11
Case Size
A, B, C, D
B = Gold
C = Hot Solder Dip
H or S = Solder Plated
K = Solder Fused
Capacitance Picofarad Code
First two digits represent significant figures.
Third digit specifies number of zeros to follow.
Capacitance Tolerances
Failure Rate Symbol
M = 20%; K = 10%; ꢀ = 5%
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.);
Voltage
As shown
S (0.001%/1000 hrs.)
# Exponential not recommended for new design
* Part Number Example: T492B105K035BS (14 digits - no spaces)
* See www.kemet.com for Pb Free transition.
# 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.
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