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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

Fort Lauderdale, FL 33301 USA • 954-766-2800 • www.kemet.com

T2066_T255 • 12/16/2019

Tantalum Through-Hole Capacitors – Hermetically Sealed

T255 Axial High Temperature Solder (CSR33 Style)

Ordering Information

Capacitor

Class

Tantalum

255

Series

Hermetically

sealed

axial high

temperature

solder

125

050

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

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

Standard

Ordering Information – T255 (CSR33 Style)

M39003

Capacitor Class

Military

specification

number

/06

Slash

Specification

sheet number

4073

Dash Number

Failure rate

level

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

Fort Lauderdale, FL 33301 USA • 954-766-2800 • www.kemet.com

T2066_T255 • 12/16/2019

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)

Case

Size

Uninsulated

Insulated

D ±0.005 L ±0.031 D ±0.010 L ±0.031 B ±0.002

±(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)

Fort Lauderdale, FL 33301 USA • 954-766-2800 • www.kemet.com

T2066_T255 • 12/16/2019

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

Leakage

% at

25°C

120 Hz

Maximum

120 Hz

Maximum

Dash Number Reference

Failure Rate Level (%/1,000 hours)

MIL–PRF–39003/6F

Exponential

(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-

(1.0)

(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-

(0.1)

(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-

(0.01)

(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-

(0.001)

MIL–PRF–39003/6F

Graded

(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-

(1)

(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-

(0.1)

(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-

(0.01)

(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-

(0.001)

(V) 85°C

µF

10.0

12.0

100.0

330.0

390.0

470.0

680.0

820.0

1000.0

6.8

8.2

47.0

56.0

68.0

82.0

220.0

270.0

390.0

470.0

560.0

4.7

5.6

33.0

39.0

150.0

180.0

220.0

270.0

330.0

2.7

3.3

3.9

18.0

µF

(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

1.0

2.0

5.0

0.5

1.0

2.0

4.0

0.5

1.0

2.0

0.5

1.0

µA at 25°C

Max/5 Minutes

Rated

Voltage

Rated

Capacitance

Case

Size

Code

KEMET Part

Number

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.

Fort Lauderdale, FL 33301 USA • 954-766-2800 • www.kemet.com

T2066_T255 • 12/16/2019

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

Leakage

% at

25°C

120 Hz

Maximum

120 Hz

Maximum

Dash Number Reference

Failure Rate Level (%/1,000 hours)

MIL–PRF–39003/6F

Exponential

(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-

(1.0)

(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-

(0.1)

(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-

(0.01)

(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-

(0.001)

MIL–PRF–39003/6F

Graded

(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-

(1)

(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-

(0.1)

(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-

(0.01)

(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-

(0.001)

(V) 85°C

µF

22.0

27.0

56.0

68.0

82.0

100.0

120.0

150.0

180.0

1.8

8.2

10.0

33.0

39.0

47.0

56.0

68.0

1.2

1.5

5.6

6.8

22.0

27.0

33.0

39.0

µF

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

2.0

0.5

1.0

2.0

0.5

1.0

µA at 25°C

Max/5 Minutes

KEMET Part

Number

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.

Fort Lauderdale, FL 33301 USA • 954-766-2800 • www.kemet.com

T2066_T255 • 12/16/2019