Tantalum Through-Hole Capacitors – Hermetically Sealed
T255 Axial High Temperature Solder (CSR33 Style)
Overview
The KEMET T255 High Temperature Solder Series of solid
tantalum capacitors offers high capacitance-to-volume
ratios and is available in standard MIL style A, B, C, and D
cases. These devices meet or exceed the environmental
and mechanical requirements of MIL–PRF–39003.
Designed to operate from −55°C to +125°C, the internal
design of these capacitors, as well as the hermetic seal,
includes high temperature solder (minimum melting point
of 221°C). The content of tin in the solder does not exceed
97%. This assembly is especially suited for temperature
conditions where solder may fail due to undesirable solder
reflow.
The T255 Series exhibits exceptionally low DC leakage,
dissipation factor and impedance characteristics. These
parts are available in Style CSR33 per MIL–PRF–39003/06.
Benefits
• Internal construction solder to resist up to 221°C
• Failure rate options: Graded – B, C, D, and G, and
Exponential – M, P, R, and S
• Surge current options D, E, and F
•
Taped and reeled per EIA Specification RS-296
• Marking per MIL–STD–1285
•
Qualified to MIL–PRF–39003 (CSR33 Style)
•
Operating temperature range of −55°C to +125˚C
•
Capacitance values of 1.2 μF to 1,000 μF
• Tolerances of ±10%, and ±20%
• Voltage rating of 6 VDC – 50 VDC
• Marking per MIL–STD–1285
• Case sizes: A, B, C, D
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Applications
These capacitors are ideal for coupling, bypass, filtering and timing circuits, and are excellent substitutes for wet tantalums
in low voltage applications.
One world. One KEMET
© KEMET Electronics Corporation • KEMET Tower • One East Broward Boulevard
Fort Lauderdale, FL 33301 USA • 954-766-2800 • www.kemet.com
T2066_T255 • 12/16/2019
1
Tantalum Through-Hole Capacitors – Hermetically Sealed
T255 Axial High Temperature Solder (CSR33 Style)
Ordering Information
T
Capacitor
Class
T=
Tantalum
255
Series
Hermetically
sealed
axial high
temperature
solder
A
125
K
050
M
S
C
Specification
Blank = Sleeved/Bulk
4251 = 10 cycles, −55 and
85°C after Weibull
4252 = 10 cycles, −55 and
85°C before Weibull
7200 = Tape & Reel
7293 & 7443 = Ammo
Case Capacitance Code Capacitance Rated Voltage
Failure Rate/Military
Termination
Size
(pF)
Tolerance
(VDC)
Product Only
Finish
A
B
C
D
First two digits
represent
significant
figures. Third digit
specifies number
of zeros to follow.
K = ±10%
M = ±20%
006 = 6
010 = 10
015 = 15
020 = 20
035 = 35
050 = 50
Graded:
B = 0.1%/k hours
C = 0.01%/k hours
D = 0.001%/k hours
G = 1.0%/k hours
Exponential:
M = 1%/k hours
P = 0.1%/k hours
R = 0.01%/k hours
S = 0.001%/k hours
S=
Standard
Ordering Information – T255 (CSR33 Style)
M39003
Capacitor Class
Military
specification
number
/06
Slash
Specification
sheet number
4073
Dash Number
Failure rate
level
H
Surge Option
E = C-4251
F = C-4252
H = Hi-temp
solder only
Orders should be entered by the military specification number, including the dash number and surge option letter (E, F or H).
Performance Characteristics
Item
Operating Temperature
Rated Capacitance Range
Capacitance Tolerance
Rated Voltage Range
DF (120 Hz at 25°C)
ESR and Impedance (100 kHz at 25°C)
Leakage Current
Failure Rate (MIL–PRF–39003, CSR33
capacitors only)
−55°C to 125°C
1.2 –1,000 μF at 120 Hz/25°C
K Tolerance (10%), M Tolerance (20%)
6 – 50 V
Refer to Part Number Electrical Specification Table
Refer to Part Number Electrical Specification Table (for reference only)
Refer to Part Number Electrical Specification Table (at rated voltage up to +85°C and 2/3 of
rated voltage applied at 125°C)
Approved failure rate: Graded G (1.0%/k hours), B (0.1%/k hours), C (0.01%/k hours), D
(0.001%/k hours) and Exponential M (1.0%/k hours), P (0.1%/k hours), R (0.01%/k hours), S
(0.001%/k hours)
Performance Characteristics
© KEMET Electronics Corporation • KEMET Tower • One East Broward Boulevard
Fort Lauderdale, FL 33301 USA • 954-766-2800 • www.kemet.com
T2066_T255 • 12/16/2019
2
Tantalum Through-Hole Capacitors – Hermetically Sealed
T255 Axial High Temperature Solder (CSR33 Style)
Dimensions – Inches (Millimeters)
SIDE VIEW
1.50±0.250
(38.10±6.35)
END VIEW
1.50±0.250
(38.10±6.35)
C
D
+
B
L
Case
Size
A
B
C
D
Uninsulated
Insulated
D ±0.005 L ±0.031 D ±0.010 L ±0.031 B ±0.002
C
±(0.13) ±(0.79) ±(0.25) ±(0.79) ±(0.05)
Maximum
0.125
(3.18)
0.175
(4.45)
0.279
(7.09)
0.341
(8.66)
0.250
(6.35)
0.438
(11.13)
0.650
(16.51)
0.750
(19.05)
0.135
(3.43)
0.185
(4.70)
0.289
(7.34)
0.351
(8.92)
0.286
(7.26)
0.474
(12.04)
0.686
(17.42)
0.786
(19.96)
0.020
(0.51)
0.020
(0.51)
0.025
(0.64)
0.025
(0.64)
0.422
(10.72)
0.610
(15.49)
0.822
(20.88)
0.922
(23.42)
© KEMET Electronics Corporation • KEMET Tower • One East Broward Boulevard
Fort Lauderdale, FL 33301 USA • 954-766-2800 • www.kemet.com
T2066_T255 • 12/16/2019
3
Tantalum Through-Hole Capacitors – Hermetically Sealed
T255 Axial High Temperature Solder (CSR33 Style)
Table 1 – Ratings & Part Number Reference
MIL–PRF–39003 (CSR33) Capacitors
Rated
Voltage
Rated
Capacitance
Case
Size
Code
KEMET Part
Number
DC
Leakage
DF
% at
25°C
120 Hz
Maximum
6
6
6
8
8
8
8
10
10
10
10
10
10
10
10
6
6
6
6
6
6
6
6
6
8
8
8
10
10
10
10
4
4
4
6
6
6
8
8
8
8
8
8
8
8
4
4
4
4
6
120 Hz
Maximum
Dash Number Reference
Failure Rate Level (%/1,000 hours)
MIL–PRF–39003/6F
Exponential
M
(1.0)
0001-
0002-
0003-
0004-
0005-
0006-
0007-
0008-
0009-
0010-
0011-
0012-
0013-
0014-
0015-
0016-
0017-
0018-
0019-
0020-
0021-
0022-
0023-
0024-
0025-
0026-
0027-
0028-
0029-
0030-
0031-
0032-
0033-
0034-
0035-
0036-
0037-
0038-
0039-
0040-
0041-
0042-
0043-
0044-
0045-
0046-
0047-
0048-
0049-
0050-
M
(1.0)
P
(0.1)
0101-
0102-
0103-
0104-
0105-
0106-
0107-
0108-
0109-
0110-
0111-
0112-
0113-
0114-
0115-
0116-
0117-
0118-
0119-
0120-
0121-
0122-
0123-
0124-
0125-
0126-
0127-
0128-
0129-
0130-
0131-
0132-
0133-
0134-
0135-
0136-
0137-
0138-
0139-
0140-
0141-
0142-
0143-
0144-
0145-
0146-
0147-
0148-
0149-
0150-
P
(0.1)
R
(0.01)
0201-
0202-
0203-
0204-
0205-
0206-
0207-
0208-
0209-
0210-
0211-
0212-
0213-
0214-
0215-
0216-
0217-
0218-
0219-
0220-
0221-
0222-
0223-
0224-
0225-
0226-
0227-
0228-
0229-
0230-
0231-
0232-
0233-
0234-
0235-
0236-
0237-
0238-
0239-
0240-
0241-
0242-
0243-
0244-
0245-
0246-
0247-
0248-
0249-
0250-
R
(0.01)
S
(0.001)
0301-
0302-
0303-
0304-
0305-
0306-
0307-
0308-
0309-
0310-
0311-
0312-
0313-
0314-
0315-
0316-
0317-
0318-
0319-
0320-
0321-
0322-
0323-
0324-
0325-
0326-
0327-
0328-
0329-
0330-
0331-
0332-
0333-
0334-
0335-
0336-
0337-
0338-
0339-
0340-
0341-
0342-
0343-
0344-
0345-
0346-
0347-
0348-
0349-
0350-
S
(0.001)
MIL–PRF–39003/6F
Graded
G
(1)
5001-
5002-
5003-
5004-
5005-
5006-
5007-
5008-
5009-
5010-
5011-
5012-
5013-
5014-
5015-
5016-
5017-
5018-
5019-
5020-
5021-
5022-
5023-
5024-
5025-
5026-
5027-
5028-
5029-
5030-
5031-
5032-
5033-
5034-
5035-
5036-
5037-
5038-
5039-
5040-
5041-
5042-
5043-
5044-
5045-
5046-
5047-
5048-
5049-
5050-
G
(1)
B
(0.1)
2001-
2002-
2003-
2004-
2005-
2006-
2007-
2008-
2009-
2010-
2011-
2012-
2013-
2014-
2015-
2016-
2017-
2018-
2019-
2020-
2021-
2022-
2023-
2024-
2025-
2026-
2027-
2028-
2029-
2030-
2031-
2032-
2033-
2034-
2035-
2036-
2037-
2038-
2039-
2040-
2041-
2042-
2043-
2044-
2045-
2046-
2047-
2048-
2049-
2050-
B
(0.1)
C
(0.01)
3001-
3002-
3003-
3004-
3005-
3006-
3007-
3008-
3009-
3010-
3011-
3012-
3013-
3014-
3015-
3016-
3017-
3018-
3019-
3020-
3021-
3022-
3023-
3024-
3025-
3026-
3027-
3028-
3029-
3030-
3031-
3032-
3033-
3034-
3035-
3036-
3037-
3038-
3039-
3040-
3041-
3042-
3043-
3044-
3045-
3046-
3047-
3048-
3049-
3050-
C
(0.01)
D
(0.001)
4001-
4002-
4003-
4004-
4005-
4006-
4007-
4008-
4009-
4010-
4011-
4012-
4013-
4014-
4015-
4016-
4017-
4018-
4019-
4020-
4021-
4022-
4023-
4024-
4025-
4026-
4027-
4028-
4029-
4030-
4031-
4032-
4033-
4034-
4035-
4036-
4037-
4038-
4039-
4040-
4041-
4042-
4043-
4044-
4045-
4046-
4047-
4048-
4049-
4050-
D
(0.001)
(V) 85°C
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
15
15
15
15
15
15
15
15
15
15
15
15
15
15
20
20
20
20
20
(V) 85°C
µF
10.0
10.0
12.0
100.0
100.0
330.0
330.0
390.0
470.0
470.0
680.0
680.0
820.0
1000.0
1000.0
6.8
6.8
8.2
47.0
47.0
56.0
68.0
68.0
82.0
220.0
220.0
270.0
390.0
470.0
470.0
560.0
4.7
4.7
5.6
33.0
33.0
39.0
150.0
150.0
180.0
220.0
220.0
270.0
330.0
330.0
2.7
3.3
3.3
3.9
18.0
µF
A
A
A
B
B
C
C
C
C
C
D
D
D
D
D
A
A
A
B
B
B
B
B
B
C
C
C
D
D
D
D
A
A
A
B
B
B
C
C
C
D
D
D
D
D
A
A
A
A
B
(See below for
part options)
T255A106K006(1)S
T255A106M006(1)S
T255A126K006(1)S
T255B107K006(1)S
T255B107M006(1)S
T255C337K006(1)S
T255C337M006(1)S
T255C397K006(1)S
T255C477K006(1)S
T255C477M006(1)S
T255D687K006(1)S
T255D687M006(1)S
T255D827K006(1)S
T255D108K006(1)S
T255D108M006(1)S
T255A685K010(1)S
T255A685M010(1)S
T255A825K010(1)S
T255B476K010(1)S
T255B476M010(1)S
T255B566K010(1)S
T255B686K010(1)S
T255B686M010(1)S
T255B826K010(1)S
T255C227K010(1)S
T255C227M010(1)S
T255C277K010(1)S
T255D397K010(1)S
T255D477K010(1)S
T255D477M010(1)S
T255D567K010(1)S
T255A475K015(1)S
T255A475M015(1)S
T255A565K015(1)S
T255B336K015(1)S
T255B336M015(1)S
T255B396K015(1)S
T255C157K015(1)S
T255C157M015(1)S
T255C187K015(1)S
T255D227K015(1)S
T255D227M015(1)S
T255D277K015(1)S
T255D337K015(1)S
T255D337M015(1)S
T255A275K020(1)S
T255A335K020(1)S
T255A335M020(1)S
T255A395K020(1)S
T255B186K020(1)S
(See below for
part options)
µA at 25°C
Max/5 Minutes
0.5
0.5
0.5
1.0
1.0
2.0
2.0
2.0
2.0
2.0
5.0
5.0
5.0
5.0
5.0
0.5
0.5
0.5
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
2.0
2.0
4.0
4.0
4.0
0.5
0.5
0.5
1.0
1.0
1.0
1.0
1.0
2.0
2.0
2.0
2.0
2.0
2.0
0.5
0.5
0.5
0.5
1.0
µA at 25°C
Max/5 Minutes
Rated
Voltage
Rated
Capacitance
Case
Size
Code
KEMET Part
Number
DC
Leakage
DF % at
25°C
MIL–PRF–39003 (CSR33) Capacitors
(1) To complete KEMET Part Number (T255), insert Graded failure rate: G for 1%/k hours, B for 0.1%/k hours, C for 0.01%/k hours, D for 0.001%/k hours or
the exponential rate letter. Designates Reliability Level.
© KEMET Electronics Corporation • KEMET Tower • One East Broward Boulevard
Fort Lauderdale, FL 33301 USA • 954-766-2800 • www.kemet.com
T2066_T255 • 12/16/2019
4
Tantalum Through-Hole Capacitors – Hermetically Sealed
T255 Axial High Temperature Solder (CSR33 Style)
Table 1 – Ratings & Part Number Reference cont.
MIL–PRF–39003 (CSR33) Capacitors
Rated
Voltage
Rated
Capacitance
Case
Size
Code
KEMET Part
Number
DC
Leakage
DF
% at
25°C
120 Hz
Maximum
6
6
6
6
6
6
6
6
6
6
8
8
8
4
6
6
6
6
6
6
6
6
6
6
6
4
4
4
4
6
6
6
6
6
6
6
6
120 Hz
Maximum
Dash Number Reference
Failure Rate Level (%/1,000 hours)
MIL–PRF–39003/6F
Exponential
M
(1.0)
0051-
0052-
0053-
0054-
0055-
0056-
0057-
0058-
0059-
0060-
0061-
0062-
0063-
0064-
0065-
0066-
0067-
0068-
0069-
0070-
0071-
0072-
0073-
0074-
0075-
0076-
0077-
0078-
0079-
0080-
0081-
0082-
0083-
0084-
0085-
0086-
0087-
M
(1.0)
P
(0.1)
0151-
0152-
0153-
0154-
0155-
0156-
0157-
0158-
0159-
0160-
0161-
0162-
0163-
0164-
0165-
0166-
0167-
0168-
0169-
0170-
0171-
0172-
0173-
0174-
0175-
0176-
0177-
0178-
0179-
0180-
0181-
0182-
0183-
0184-
0185-
0186-
0187-
P
(0.1)
R
(0.01)
0251-
0252-
0253-
0254-
0255-
0256-
0257-
0258-
0259-
0260-
0261-
0262-
0263-
0264-
0265-
0266-
0267-
0268-
0269-
0270-
0271-
0272-
0273-
0274-
0275-
0276-
0277-
0278-
0279-
0280-
0281-
0282-
0283-
0284-
0285-
0286-
0287-
R
(0.01)
S
(0.001)
0351-
0352-
0353-
0354-
0355-
0356-
0357-
0358-
0359-
0360-
0361-
0362-
0363-
0364-
0365-
0366-
0367-
0368-
0369-
0370-
0371-
0372-
0373-
0374-
0375-
0376-
0377-
0378-
0379-
0380-
0381-
0382-
0383-
0384-
0385-
0386-
0387-
S
(0.001)
MIL–PRF–39003/6F
Graded
G
(1)
5051-
5052-
5053-
5054-
5055-
5056-
5057-
5058-
5059-
5060-
5061-
5062-
5063-
5064-
5065-
5066-
5067-
5068-
5069-
5070-
5071-
5072-
5073-
5074-
5075-
5076-
5077-
5078-
5079-
5080-
5081-
5082-
5083-
5084-
5085-
5086-
5087-
G
(1)
B
(0.1)
2051-
2052-
2053-
2054-
2055-
2056-
2057-
2058-
2059-
2060-
2061-
2062-
2063-
2064-
2065-
2066-
2067-
2068-
2069-
2070-
2071-
2072-
2073-
2074-
2075-
2076-
2077-
2078-
2079-
2080-
2081-
2082-
2083-
2084-
2085-
2086-
2087-
B
(0.1)
C
(0.01)
3051-
3052-
3053-
3054-
3055-
3056-
3057-
3058-
3059-
3060-
3061-
3062-
3063-
3064-
3065-
3066-
3067-
3068-
3069-
3070-
3071-
3072-
3073-
3074-
3075-
3076-
3077-
3078-
3079-
3080-
3081-
3082-
3083-
3084-
*
*
*
C
(0.01)
D
(0.001)
4051-
4052-
4053-
4054-
4055-
4056-
4057-
4058-
4059-
4060-
4061-
4062-
4063-
4064-
4065-
4066-
4067-
4068-
4069-
4070-
4071-
4072-
4073-
4074-
4075-
4076-
4077-
4078-
4079-
4080-
4081-
4082-
4083-
4084-
*
*
*
D
(0.001)
(V) 85°C
20
20
20
20
20
20
20
20
20
20
20
20
20
35
35
35
35
35
35
35
35
35
35
35
35
50
50
50
50
50
50
50
50
50
50
50
50
(V) 85°C
µF
22.0
22.0
27.0
56.0
68.0
68.0
82.0
100.0
100.0
120.0
150.0
150.0
180.0
1.8
8.2
10.0
10.0
33.0
33.0
39.0
47.0
47.0
56.0
68.0
68.0
1.2
1.5
1.5
5.6
6.8
6.8
22.0
22.0
27.0
33.0
33.0
39.0
µF
B
B
B
C
C
C
C
C
C
C
D
D
D
A
B
B
B
C
C
C
C
C
D
D
D
A
A
A
B
B
B
C
C
C
D
D
D
Rated
Voltage
Rated
Capacitance
Case
Size
Code
(See below for
part options)
T255B226K020(1)S
T255B226M020(1)S
T255B276K020(1)S
T255C556K020(1)S
T255C686K020(1)S
T255C686M020(1)S
T255C826K020(1)S
T255C107K020(1)S
T255C107M020(1)S
T255C127K020(1)S
T255D157K020(1)S
T255D157M020(1)S
T255D187K020(1)S
T255A185K035(1)S
T255B825K035(1)S
T255B106K035(1)S
T255B106M035(1)S
T255C336K035(1)S
T255C336M035(1)S
T255C396K035(1)S
T255C476K035(1)S
T255C476M035(1)S
T255D566K035(1)S
T255D686K035(1)S
T255D686M035(1)S
T255A125K050(1)S
T255A155K050(1)S
T255A155M050(1)S
T255B565K050(1)S
T255B685K050(1)S
T255B685M050(1)S
T255C226K050(1)S
T255C226M050(1)S
T255C276K050(1)S
T255D336K050(1)S
T255D336M050(1)S
T255D396K050(1)S
(See below for
part options)
µA at 25°C
Max/5 Minutes
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
2.0
2.0
2.0
0.5
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
2.0
2.0
2.0
0.5
0.5
0.5
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
µA at 25°C
Max/5 Minutes
KEMET Part
Number
DC
Leakage
DF % at
25°C
MIL–PRF–39003 (CSR33) Capacitors
(1) To complete KEMET Part Number (T255), insert Graded failure rate: G for 1%/k hours, B for 0.1%/k hours, C for 0.01%/k hours, D for 0.001%/k hours or
the exponential rate letter. Designates Reliability Level.
© KEMET Electronics Corporation • KEMET Tower • One East Broward Boulevard
Fort Lauderdale, FL 33301 USA • 954-766-2800 • www.kemet.com
T2066_T255 • 12/16/2019
5
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