PRODUCTS
Tantalum Polymer
Through-Hole Capacitors
T551 Axial Polymer Hermetic Seal (PHS) 125°C Series
Programs Supported
•
•
•
•
Buck/boost converters
Filtering
Hold-up capacitors
Other high ripple current applications
Electronic Components
Why Choose KEMET
KEMET Corporation is a leading global supplier of
electronic components. We offer our customers
the broadest selection of capacitor technologies
in the industry across all dielectrics, along
with an expanding range of electromechanical
devices, electromagnetic compatibility solutions
and supercapacitors. Our vision is to be the
preferred supplier of electronic component
solutions for customers demanding the highest
standards of quality, delivery and service.
Dimensions
Features & Benefits
• Includes F-Tech anode which eliminates
hidden defects in the dielectric
• Maximum operating temperature of +125°C
• Capacitance of 20 μF to 820 μF
• Polymer cathode technology
• ≤ 0.0075 CV (μA) at rated voltage after
5 minutes
• Extremely low ESR
• High frequency capacitance retention
• Low temperature capacitance retention
• 100% accelerated steady state aging
• 100% surge current tested
• Volumetrically efficient
• Non-ignition failure mode
• Approximately 25% lighter than equivalent
wet tantalum
• Case dimensions equivalent to
MIL-PRF-39006/22/25/30/31
Case Code
Case Size
MIL-PRF-
39006/22/25/30/31
Uninsulated Case
Inches (mm)
L
+0.031 (0.79)
-0.016 (0.41)
0.641 (16.28)
D
±0.016 (0.41)
0.281 (7.14)
Insulated Case
Inches (mm)
D
Max.
0.312 (7.92)
E
±0.25 (6.35)
*1.50 (38.10)
B
* Lead length of 2.25” available upon request.
T2
Ordering Information
T
Capacitor Class
T = Tantalum
551
Series
551 = Polymer
Hermetic Seal
B
Case Size
B
107
Capacitance
Code (pF)
First two digits
represent
significant
figures.
Third digit
specifies
number of
zeros.
M
Capacitance
Tolerance
K = ±10%
M = ±20%
025
Voltage
006 = 6.3 V
008 = 8 V
015 = 15 V
025 = 25 V
040 = 40 V
050 = 50 V
060 = 60 V
A
Failure Rate/
Design
A = N/A
T
Lead Material
T = 100% tin
(Sn) plated
H = Tin/lead
(SnPb) solder
coated (5% Pb
minimum)
4251
Surge Option
4250 = Surge
current, 10 cycles
+25°C
4251 = Surge
current, 10 cycles,
-55°C and +85°C
Product Checklist
• What is the actual required capacitance?
• What is the operating temperature and
frequency?
• What is the operating voltage?
• Are there any voltage spikes or reverse
voltages expected?
• Are there any mechanical robustness concerns,
such as vibration or shock?
• What are the ESR requirements?
For more information, samples
and engineering kits,
please visit us at www.kemet.com
or call 1.877.myKEMET.
SA0814
Copyright © 2014 KEMET
PRODUCTS
Tantalum Polymer
Through-Hole Capacitors
T551 Axial Polymer Hermetic Seal (PHS) 125°C Series
Ratings & Part Number Reference
Rated Voltage
(V)
Rated Capacitance
(μF)
Case Sizes
KEMET Part Number
DC Leakage
μA @ 25°C
Max/5 Mins
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
T551B147(1)006A(2)
T551B827(1)006A(2)
T551B227(1)008A(2)
T551B687(1)008A(2)
T551B107(1)010A(2)
T551B187(1)010A(2)
T551B567(1)010A(2)
T551B706(1)015A(2)
T551B127(1)015A(2)
T551B397(1)015A(2)
T551B506(1)025A(2)
T551B107(1)025A(2)
T551B406(1)030A(2)
T551B686(1)030A(2)
T551B107(1)040A(2)
T551B127(1)040A(2)
T551B256(1)050A(2)
T551B476(1)050A(2)
T551B107(1)050A(2)
T551B127(1)050A(2)
T551B206(1)060A(2)
T551B396(1)060A(2)
T551B107(1)060A(2)
6.3
36.9
13.2
40.8
7.5
13.5
42.0
7.9
13.5
43.9
9.4
18.8
9.0
15.3
30.0
36.0
9.4
17.6
37.5
45.0
9.0
17.6
45.0
DF
% @ 25°C
120 Hz Max
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
Electronic Components
Maximum ESR
mΩ @ 25°C
100 kHz
120
90
120
90
140
110
90
140
110
90
170
190
170
140
150
120
170
150
130
90
200
160
100
Ripple Current
mArms @
85°C/40 kHz
1510
1750
1510
1750
1400
1580
1750
1400
1580
1750
1275
1200
1275
1400
1350
1510
1275
1350
1450
1750
1175
1310
1660
6
6
8
8
10
10
10
15
15
15
25
25
30
30
40
40
50
50
50
50
60
60
60
140
820
220
680
100
180
560
70
120
390
50
100
40
68
100
120
25
47
100
120
20
39
100
(1) To complete KEMET part number, insert M for ±20% or K for ±10% for capacitance tolerance.
(2) To complete KEMET part number, insert T = 100% matte tin (Sn) plated or H = standard solder coated (SnPb 5% Pb minimum) for termination finish.
Please refer to Ordering Information for additional detail.
SA0814
Copyright © 2014 KEMET
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