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參數(shù)資料
| 型號： | T491Axxx |
| 廠商： | KEMET Corporation |
| 英文描述： | TANTALUM CHIP CAPACITORS |
| 中文描述： | 鉭芯片電容器 |
| 文件頁數(shù)： | 4/4頁 |
| 文件大?。?/td> | 116K |
| 代理商： | T491AXXX |
TANTALUM CHIP CAPACITORS
T491 SERIES—Precision Molded Chip
CONSTRUCTION
a
a
CAPACITOR MARKINGS
T491 Series — All Case Sizes
Print Week Code:
1st Digit = Year
2nd & 3rd Digits = Week
"942" =
The 42nd week of 1999
Polarity
Picofarad
KEMET
VRated
20
K
942
a
a
a
Mn0
2
Coat
(Second Layer)
Positive
Termination*
a
a
a
a
a
Negative
Termination*
Silver Paint
(Third Layer)
Tantalum
Wire
Tantalum
(Ta
2
O
5
)
Molded
Case
Silver Adhesive
Washer
Weld
Polarity
Stripe (+)
Polarity
Bevel (+)
*Termination Solder Coating 90 Sn/10Pb
(1)
To complete KEMET Part Number, insert M for ±20% tolerance or K for ±10% tolerance.
Higher voltage ratings and tighter capacitance tolerance product may be
substituted within the same size at KEMET’s option. Voltage substitutions
will be marked with the higher voltage rating.
DC
DF
ESR
Capaci-
tance
m
F
Leakage
m
A @ 25
7
C
Max
% @ +25
7
C
V
@ +25
7
C
120 Hz
Max
Case
Size
KEMET
Part Number
100 kHz
Max
20 Volt Rating at +85
7
C (13 Volt Rating at +125
7
C) cont’d
1.5
A
T491A155(1)020AS
#1.5
*S
T491S155(1)020AS
2.2
B
T491B225(1)020AS
2.2
A
T491A225(1)020AS
3.3
B
T491B335(1)020AS
#3.3
*A
T491A335(1)020AS
#3.3
*T
T491T335(1)020AS
4.7
C
T491C475(1)020AS
4.7
B
T491B475(1)020AS
6.8
C
T491C685(1)020AS
#6.8
*B
T491B685(1)020AS
#6.8
*U
T491U685(1)020AS
10.0
C
T491C106(1)020AS
#10.0
*B
T491B106(1)020AS
#10.0
*U
T491U106(1)020AS
15.0
D
T491D156(1)020AS
15.0
*C
T491C156(1)020AS
22.0
D
T491D226(1)020AS
#22.0
*C
T491C226(1)020AS
#22.0
*V
T491V226(1)020AS
33.0
D
T491D336(1)020AS
47.0
*D
T491D476(1)020AS
68.0
*X
T491X686(1)020AS
#100.0
*X
T491X107(1)020AS
25 Volt Rating at +85
7
C (17 Volt Rating at +125
7
C)
0.33
A
T491A334(1)025AS
0.47
A
T491A474(1)025AS
0.68
A
T491A684(1)025AS
1.0
B
T491B105(1)025AS
1.0
*A
T491A105(1)025AS
1.5
B
T491B155(1)025AS
1.5
*A
T491A155(1)025AS
2.2
C
T491C225(1)025AS
2.2
*B
T491B225(1)025AS
3.3
C
T491C335(1)025AS
3.3
*B
T491B335(1)025AS
4.7
C
T491C475(1)025AS
6.8
C
T491C685(1)025AS
10.0
D
T491D106(1)025AS
10.0
*C
T491C106(1)025AS
15.0
D
T491D156(1)025AS
22.0
*D
T491D226(1)025AS
33.0
*X
T491X336(1)025AS
#33.0
*D
T491D336(1)025AS
0.5
0.5
0.5
0.5
0.7
0.7
0.7
1.0
1.0
1.4
1.4
1.4
2.0
2.0
2.0
3.0
3.0
4.4
4.4
4.4
6.6
9.4
13.6
20.0
6.0
6.0
6.0
6.0
6.0
6.0
6.0
6.0
6.0
6.0
6.0
6.0
6.0
6.0
6.0
6.0
6.0
6.0
6.0
6.0
6.0
6.0
6.0
8.0
8.0
15.0
3.5
7.0
3.5
7.0
5.0
2.4
3.5
1.9
3.5
1.9
1.8
3.0
1.8
1.0
1.7
0.8
1.2
0.7
0.8
0.7
0.7
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.6
0.6
0.9
0.9
1.2
1.7
2.5
2.5
3.8
5.5
8.3
8.3
4.0
4.0
4.0
4.0
4.0
6.0
6.0
6.0
6.0
6.0
6.0
6.0
6.0
6.0
6.0
6.0
6.0
6.0
6.0
15.0
14.0
10.0
5.0
8.0
5.0
10.0
3.5
4.5
2.5
3.5
2.4
1.9
1.0
1.5
1.0
0.8
0.7
0.7
DC
DF
ESR
Capaci-
tance
m
F
Leakage
m
A @ 25
7
C
Max
% @ +25
7
C
V
@ +25
7
C
120 Hz
Max
Case
Size
35 Volt Rating at +85
7
C (23 Volt Rating at +125
7
C)
A
T491A104(1)035AS
A
T491A154(1)035AS
A
T491A224(1)035AS
A
T491A334(1)035AS
B
T491B474(1)035AS
*A
T491A474(1)035AS
B
T491B684(1)035AS
T491A684(1)035AS
B
T491B105(1)035AS
*A
T491A105(1)035AS
C
T491C155(1)035AS
*B
T491B155(1)035AS
C
T491C225(1)035AS
*B
T491B225(1)035AS
C
T491C335(1)035AS
D
T491D475(1)035AS
*C
T491C475(1)035AS
D
T491D685(1)035AS
*C
T491C685(1)035AS
*D
T491D106(1)035AS
*X
T491X156(1)035AS
*D
T491D156(1)035AS
*X
T491X226(1)035AS
*D
T491D226M035AS
50 Volt Rating at +85
7
C (33 Volt Rating at +125
7
C)
A
T491A104(1)050AS
B
T491B154(1)050AS
*A
T491A154(1)050AS
B
T491B224(1)050AS
B
T491B334(1)050AS
C
T491C474(1)050AS
*B
T491B474(1)050AS
C
T491C684(1)050AS
*B
T491B684(1)050AS
C
T491C105(1)050AS
D
T491D155(1)050AS
*C
T491C155(1)050AS
D
T491D225(1)050AS
*C
T491C225(1)050AS
D
T491D335(1)050AS
*D
T491D475(1)050AS
*X
T491X685(1)050AS
KEMET
Part Number
100 kHz
Max
0.10
0.15
0.22
0.33
0.47
0.47
0.68
0.68
1.0
1.0
1.5
1.5
2.2
2.2
3.3
4.7
4.7
6.8
6.8
10.0
15.0
15.0
22.0
#22.0
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.8
0.8
1.2
1.7
1.7
2.4
2.4
3.5
5.3
5.3
7.7
7.7
4.0
4.0
4.0
4.0
4.0
4.0
4.0
4.0
4.0
4.0
6.0
6.0
6.0
6.0
6.0
6.0
6.0
6.0
6.0
6.0
6.0
6.0
6.0
6.0
20.0
19.0
18.0
15.0
8.0
14.0
6.5
10.0
5.0
10.0
4.5
5.0
3.5
4.0
2.5
1.5
2.5
1.3
2.0
1.0
0.9
0.8
0.7
0.7
0.10
0.15
0.15
0.22
0.33
0.47
0.47
0.68
0.68
1.0
1.5
1.5
2.2
2.2
3.3
4.7
6.8
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.8
0.8
1.1
1.1
1.7
2.4
3.5
4.0
4.0
4.0
4.0
4.0
4.0
4.0
4.0
4.0
4.0
6.0
6.0
6.0
6.0
6.0
6.0
6.0
20.0
16.0
19.0
14.0
10.0
8.0
9.0
7.0
8.0
5.5
3.5
4.5
2.5
3.5
2.0
1.5
1.0
KEMET Electronics Corporation, P.O. Box 5928, Greenville, S.C. 29606, (864) 963-6300
18
KEMET
T491 RATINGS & PART NUMBER REFERENCE
*Extended Values
**6 Volt product equivalent to 6.3 volt product.
#Maximum Capacitance Change @ 125
8
C=+15%. (All others = +12%)
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