516D
Vishay Sprague
Aluminum Capacitors
+ 85 °C, Miniature, Axial Lead
FEATURES
•
High CV per case size
Pb-free
•
Low cost
•
Solvent resistant construction (through 100 WVDC)
Fig.1 Component outline.
Available
QUICK REFERENCE DATA
DESCRIPTION
Nominal case size
ØD x L in mm
VALUE
0.197” x 0.472” [5.0 x 12.0]
to 0.709” x 1.614” [18.0 x 41.0]
- 40 °C to + 85 °C
(- 25 °C to + 85 °C for
315 WVDC - 450 WVDC units)
0.47 µF to 10 000 µF
± 20 %
6.3 WVDC to 450 WVDC
2 axial leads
2000 hours:
Δ
CAP
≤
20 % from
initial measurement.
Δ
DF x 2 initial specified limit.
Δ
DCL
≤
initial specified limit.
1000 hours:
Δ
CAP ± 20 % from
initial measurement.
Δ
DF 2 x initial specified limit.
Δ
DCL
≤
the initial specified limit.
rated voltage for 1 minute for
6.3 WVDC to 100 WVDC units
I < 0.03 CV or 4 µA
(whichever is greater)
rated voltage for 2 minute for
6.3 WVDC to 100 WVDC units
I < 0.01 CV or 3 µA
(whichever is greater)
rated voltage for 1 minute for 160
WVDC to 450 WVDC units
I < 0.1 CV + 40 µA and CV
≤
1000
I < 0.04 CV + 100 µA and CV > 1000
RIPPLE CURRENT MULTIPLIERS
TEMPERATURE
Ambient Temperature
≤
+ 70 °C
+ 85 °C
Multipliers
1.27
1.0
Operating temperature
FREQUENCY (Hz)/CAPACITANCE (µF)
Rated Capacitance range, C
R
Tolerance on C
R
Rated voltage range, U
R
Termination
Life validation test at 85 °C
WVDC
Cap. (µF)
0 - 47
6.3 - 100
100 - 470
1000 - 10000
160 - 450
1 - 100
50 - 60 100 - 120 300 - 400
0.75
0.80
0.85
0.80
1
1
1
1
1.35
1.23
1.10
1.25
1kHZ
1.57
1.34
1.13
1.40
≤
10 kHZ
2.00
1.50
1.15
1.60
Shelf life at 85 °C
LOW TEMPERATURE PERFORMANCE
MAXIMUM IMPEDANCE RATIO Z
(T)
/Z
(+ 20 °C)
MAXIMUM AT 120 Hz
Rated Voltage
(WVDC)
6.3
10.0
16.0
25.0
35.0 - 100.0
160.0 - 250.0
315.0 - 350.0
400.0 - 450.0
Z - 25 °C/Z + 20 °C
4.0
3.0
2.0
2.0
2.0
4.0
6.0
15.0
Z - 40 °C/Z + 20 °C
10.0
8.0
6.0
4.0
3.0
12.0
-
-
DC leakage current
DIMENSIONS
in inches [millimeters]
CASE
CODE
JL
LL
LM
MM
MN
NP
NOMINAL CASE SIZE
DxL
0.197 x .472 [5.0 x 12.0]
0.248 x .472 [6.3 x 12.0]
0.248 x .472 [6.3 x 12.0]
0.315 x .630 [8.0 x 16.0]
0.315 x .787 [8.0 x 20.0]
0.394 x .827 [10.0 x 21.0]
LEAD
DIAMETER
0.024 [0.6]
0.024 [0.6]
0.024 [0.6]
0.024 [0.6]
0.024 [0.6]
0.024 [0.6]
TYPICAL WEIGHT
(Grams)
0.56
0.74
0.91
1.00
1.70
2.32
CASE
CODE
NR
PR
PS
QS
QT
RT
NOMINAL CASE SIZE
DxL
0.394 x 0.984 [10.0 x 25.0]
0.512 x 1.023 [13.0 x 26.0]
0.512 x 1.240 [13.0 x 31.5]
0.630 x 1.240 [16.0 x 31.5]
0.630 x 1.633 [16.0 x 41.5]
0.709 x 1.614 [18.0 x 41.0]
LEAD
TYPICAL WEIGHT
DIAMETER
(Grams)
0.024 [0.6]
0.024 [0.6]
0.024 [0.6]
0.031 [0.8]
0.031 [0.8]
0.031 [0.8]
3.10
4.63
5.47
8.26
10.42
12.42
www.vishay.com
237
Document Number: 42046
Revision: 24-May-05
For technical questions contact: aluminumcaps4@vishay.com
516D
Vishay Sprague
Aluminum Capacitors
+ 85 °C, Miniature, Axial Lead
DIMENSIONS
in inches [millimeters]
0.78 [2.0]
Max.
White tape for
Positive Polarity
W
±
0.047
[± 1.2]
0.236
±
1°
[6
±
1°]
P
±
0.020
[± 0.5]
D
W
±
0.059
[± 1.5]
0.047 [± 1.2]
Max.
Blue or Yellow Tape
for Negative Polarity
DIMENSIONS
in inches [millimeters]
AND PACKAGING QUANTITIES
CASE
CODE
JL
LL
LM
MM
MN
NP
NP
NR
NR
PR
PR
PS
TAPING
CODE
B
B
B
B
B
B
C
B
C
B
C
B
SPECIFICATIONS
TAPE WIDTH W ± 0.059 [1.5]
2.063 [52.4]
2.063 [52.4]
2.063 [52.4]
2.063 [52.4]
2.500 [63.5]
2.500 [63.5]
2.874 [73.0]
2.500 [63.5]
2.874 [73.0]
2.500 [63.5]
2.874 [73.0]
2.874 [73.0]
COMPONENT PITCH P ± 0.020 [0.5]
0.394 [10.0]
0.394 [10.0]
0.394 [10.0]
0.394 [10.0]
0.394 [10.0]
0.591 [15.0]
0.591 [15.0]
0.591 [15.0]
0.591 [15.0]
0.591 [15.0]
0.591 [15.0]
0.591 [15.0]
QUANTITY PER REEL
1600
1300
1300
1000
1000
500
500
500
500
350
350
350
ELECTRICAL DATA
SYMBOL
µF
±%
DC
JL
6
A
rated capacitance
M = ± 20 %
voltage rating at 85 °C
see dimensions in millimeters table
packaging code
termination
DESCRIPTION
ORDERING EXAMPLE*
Electrolytic capacitor 500D series
516D 107M 6R3 JL 6A
6A = Bulk, Uncut leads.
7B = tape and Reel. For case Codes JL, LL, LM, MM, MN,
NP, NR, PR and PS only.
7C = tape and Reel with 2.874” [73.0 mm] tape width (not
stocked) For case Codes NP, NR and PR only.
All items stating (Not stocked) are items that are not
generally stocked unless a Purchase Order is placed. Lead
time is 14 - 16 weeks for these items unless there is excess
inventory.
*Note: For lead (Pb)-free, add suffix E3 to part number.
Example: 516D107M6R3JL6AE3
ELECTRICAL DATA AND ORDERING INFORMATION
CAPACITANCE
(µF
PART NUMBER
NOMINAL CASE SIZE
DxL
6.3 WVDC at + 85 °C, SURGE = 8 V
100
220
330
www.vishay.com
238
516D107M6R3JL6A
516D227M6R3LM6A
516D337M6R3LM6A
0.197 x 0.472 [5.0 x 12.0]
0.248 x 0.630 [6.3 x 16.0]
0.248 x 0.630 [6.3 x 16.0]
0.024 [0.6]
0.024 [0.6]
0.024 [0.6]
0.24
0.24
0.24
110
200
250
Document Number: 42046
Revision: 24-May-05
LEAD
DIAMETER
Max. DF
at + 20 °C
Max. RIPPLE
at + 85 °C
For technical questions contact: aluminumcaps4@vishay.com
516D
Aluminum Capacitors
+ 85 °C, Miniature, Axial Lead
Vishay Sprague
ELECTRICAL DATA AND ORDERING INFORMATION
CAPACITANCE
(µF
PART NUMBER
NOMINAL CASE SIZE
DxL
6.3 WVDC at + 85 °C, SURGE = 8 V
470
1000
2200
3300
4700
6800
10000
33
47
100
220
330
470
1000
2200
3300
4700
6800
10000
22
33
47
100.0*
220.0*
330
470.0*
1000
2200
3300
4700
6800
10.0*
22.0*
33
47.0*
100.0*
220
330
470
1000
516D477M6R3MM6A
516D108M6R3NP6A
516D228M6R3PR6A
516D338M6R3PR6A
516D478M6R3QS6A
516D688M6R3QS6A
516D109M6R3QT6A
516D336M010JL6A
516D476M010JL6A
516D107M010LL6A
516D227M010LM6A
516D337M010MM6A
516D477M010MM6A
516D108M010NP6A
516D228M010PR6A
516D338M010PS6A
516D478M010QS6A
516D688M010QT6A
516D109M010RT6A
516D226M016JL6A
516D336M016JL6A
516D476M016JL6A
516D107M016LM6A
516D227M016MM6A
516D337M016MM6A
516D477M016MN6A
516D108M016NR6A
516D228M016PS6A
516D338M016QS6A
516D478M016QT6A
516D688M016RT6A
516D106M025JL6A
516D226M025JL6A
516D336M025JL6A
516D476M025LL6A
516D107M025LM6A
516D227M025MM6A
516D337M025MN6A
516D477M025NR6A
516D108M025PR6A
0.315 x 0.630 [8.0 x 16.0]
0.394 x 0.827 [10.0 x 21.0]
0.512 x 1.024 [13.0 x 26.0]
0.512 x 1.024 [13.0 x 26.0]
0.630 x 1.240 [16.0 x 31.5]
0.630 x 1.240 [16.0 x 31.5]
0.630 x 1.633 [16.0 x 41.5]
10 WVDC at + 85 °C, SURGE = 13 V
0.197 x 0.472 [5.0 x 12.0]
0.197 x 0.472 [5.0 x 12.0]
0.248 x 0.472 [6.3 x 12.0]
0.248 x 0.630 [6.3 x 16.0]
0.315 x 0.630 [8.0 x 16.0]
0.315 x 0.630 [8.0 x 16.0]
0.394 x 0.827 [10.0 x 21.0]
0.512 x 1.024 [13.0 x 26.0]
0.512 x 1.240 [13.0 x 31.5]
0.630 x 1.240 [16.0 x 31.5]
0.630 x 1.633 [16.0 x 41.5]
0.709 x 1.614 [18.0 x 41.0]
16 WVDC at + 85 °C, SURGE = 20 V
0.197 x 0.472 [5.0 x 12.0]
0.197 x 0.472 [5.0 x 12.0]
0.197 x 0.472 [5.0 x 12.0]
0.248 x 0.630 [6.3 x 16.0]
0.315 x 0.630 [8.0 x 16.0]
0.315 x 0.630 [8.0 x 16.0]
0.315 x 0.787 [8.0 x 20.0]
0.394 x 1.024 [10.0 x 26.0]
0.512 x 1.240 [13.0 x 31.5]
0.630 x 1.240 [16.0 x 31.5]
0.630 x 1.633 [16.0 x 41.5]
0.709 x 1.614 [18.0 x 41.0]
25 WVDC at + 85 °C, SURGE = 32 V
0.197 x 0.472 [5.0 x 12.0]
0.197 x 0.472 [5.0 x 12.0]
0.197 x 0.472 [5.0 x 12.0]
0.248 x 0.472 [6.3 x 12.0]
0.248 x 0.630 [6.3 x 16.0]
0.315 x 0.630 [8.0 x 16.0]
0.315 x 0.787 [8.0 x 20.0]
0.394 x 1.024 [10.0 x 26.0]
0.512 x 1.024 [13.0 x 26.0]
0.024 [0.6]
0.024 [0.6]
0.024 [0.6]
0.024 [0.6]
0.024 [0.6]
0.024 [0.6]
0.024 [0.6]
0.024 [0.6]
0.024 [0.6]
0.14
0.14
0.14
0.14
0.14
0.14
0.14
0.14
0.14
40
65
80
100
170
280
380
510
900
0.024 [0.6]
0.024 [0.6]
0.024 [0.6]
0.024 [0.6]
0.024 [0.6]
0.024 [0.6]
0.024 [0.6]
0.024 [0.6]
0.024 [0.6]
0.031 [0.8]
0.031 [0.8]
0.031 [0.8]
0.16
0.16
0.16
0.16
0.16
0.16
0.16
0.16
0.16
0.16
0.16
0.16
60
70
85
160
260
320
430
770
1180
1620
1840
2310
0.024 [0.6]
0.024 [0.6]
0.024 [0.6]
0.024 [0.6]
0.024 [0.6]
0.024 [0.6]
0.024 [0.6]
0.024 [0.6]
0.024 [0.6]
0.031 [0.8]
0.031 [0.8]
0.031 [0.8]
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
65
80
130
210
300
350
640
1090
1390
1730
1930
2350
0.024 [0.6]
0.024 [0.6]
0.024 [0.6]
0.024 [0.6]
0.024 [0.6]
0.031 [0.8]
0.031 [0.8]
0.24
0.24
0.24
0.24
0.24
0.24
0.24
330
600
1020
1200
1500
1840
2260
LEAD
DIAMETER
Max. DF
at + 20 °C
Max. RIPPLE
at + 85 °C
Document Number: 42046
Revision: 24-May-05
For technical questions contact: aluminumcaps4@vishay.com
www.vishay.com
239
516D
Vishay Sprague
Aluminum Capacitors
+ 85 °C, Miniature, Axial Lead
ELECTRICAL DATA AND ORDERING INFORMATION
CAPACITANCE
(µF
PART NUMBER
NOMINAL CASE SIZE
DxL
25 WVDC at + 85 °C, SURGE = 32 V
2200
3300
4700
10
22.0*
33
47
100
220
330
470
1000
2200
3300
0.47
1
2.2
3.3
4.7
10
22
33
47
100.0*
220
330
470
1000
2200
3.3
4.7
10.0*
22
33
47.0*
100
220
330
470
1000
516D228M025QS6A
516D338M025QT6A
516D478M025RT6A
516D106M035JL6A
516D226M035JL6A
516D336M035LL6A
516D476M035LM6A
516D107M035MM6A
516D227M035MN6A
516D337M035NP6A
516D477M035NR6A
516D108M035PS6A
516D228M035QS6A
516D338M035QT6A
516D474M050JL6A
516D105M050JL6A
516D225M050JL6A
516D335M050JL6A
516D475M050JL6A
516D106M050JL6A
516D226M050LL6A
516D336M050LM6A
516D476M050LM6A
516D107M050MM6A
516D227M050NP6A
516D337M050NR6A
516D477M050PR6A
516D108M050QS6A
516D228M050RT6A
516D335M063JL6A
516D475M063JL6A
516D106M063JL6A
516D226M063LL6A
516D336M063LM6A
516D476M063MM6A
516D107M063MN6A
516D227M063NR6A
516D337M063PR6A
516D477M063PS6A
516D108M063QS6A
0.630 x 1.240 [16.0 x 31.5]
0.630 x 1.633 [16.0 x 41.5]
0.709 x 1.614 [18.0 x 41.0]
35 WVDC at + 85 °C, SURGE = 44 V
0.197 x 0.472 [5.0 x 12.0]
0.197 x 0.472 [5.0 x 12.0]
0.248 x 0.472 [6.3 x 12.0]
0.248 x 0.630 [6.3 x 16.0]
0.315 x 0.630 [8.0 x 16.0]
0.315 x 0.787 [8.0 x 20.0]
0.394 x 0.827 [10.0 x 21.0]
0.394 x 1.024 [10.0 x 26.0]
0.512 x 1.240 [13.0 x 31.5]
0.630 x 1.240 [16.0 x 31.5]
0.630 x 1.633 [16.0 x 41.5]
50 WVDC at + 85 °C, SURGE = 63 V
0.197 x 0.472 [5.0 x 12.0]
0.197 x 0.472 [5.0 x 12.0]
0.197 x 0.472 [5.0 x 12.0]
0.197 x 0.472 [5.0 x 12.0]
0.197 x 0.472 [5.0 x 12.0]
0.197 x 0.472 [5.0 x 12.0]
0.248 x 0.472 [6.3 x 12.0]
0.248 x 0.630 [6.3 x 16.0]
0.248 x 0.630 [6.3 x 16.0]
0.315 x 0.630 [8.0 x 16.0]
0.394 x 0.827 [10.0 x 21.0]
0.394 x 1.024 [10.0 x 26.0]
0.512 x 1.024 [13.0 x 26.0]
0.630 x 1.240 [16.0 x 31.5]
0.709 x 1.614 [18.0 x 41.0]
63 WVDC at + 85 °C, SURGE = 79 V
0.197 x 0.472 [5.0 x 12.0]
0.197 x 0.472 [5.0 x 12.0]
0.197 x 0.472 [5.0 x 12.0]
0.248 x 0.472 [6.3 x 12.0]
0.248 x 0.630 [6.3 x 16.0]
0.315 x 0.630 [8.0 x 16.0]
0.315 x 0.787 [8.0 x 20.0]
0.394 x 1.024 [10.0 x 26.0]
0.512 x 1.024 [13.0 x 26.0]
0.512 x 1.240 [13.0 x 31.5]
0.630 x 1.240 [16.0 x 31.5]
0.024 [0.6]
0.024 [0.6]
0.024 [0.6]
0.024 [0.6]
0.024 [0.6]
0.024 [0.6]
0.024 [0.6]
0.024 [0.6]
0.024 [0.6]
0.024 [0.6]
0.031 [0.8]
0.08
0.08
0.08
0.08
0.08
0.08
0.08
0.08
0.08
0.08
0.08
31
37
55
90
120
160
260
480
650
840
1330
0.024 [0.6]
0.024 [0.6]
0.024 [0.6]
0.024 [0.6]
0.024 [0.6]
0.024 [0.6]
0.024 [0.6]
0.024 [0.6]
0.024 [0.6]
0.024 [0.6]
0.024 [0.6]
0.024 [0.6]
0.024 [0.8]
0.031 [0.8]
0.031 [0.8]
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
5
10
23
28
34
50
85
110
130
220
410
560
730
1260
1920
0.024 [0.6]
0.024 [0.6]
0.024 [0.6]
0.024 [0.6]
0.024 [0.6]
0.024 [0.6]
0.024 [0.6]
0.024 [0.6]
0.024 [0.6]
0.031 [0.8]
0.031 [0.8]
0.12
0.12
0.12
0.12
0.12
0.12
0.12
0.12
0.12
0.12
0.12
45
70
90
120
210
340
460
610
1060
1580
2050
0.031 [0.8]
0.031 [0.8]
0.031 [0.8]
0.14
0.14
0.14
1480
1710
2170
LEAD
DIAMETER
Max. DF
at + 20 °C
Max. RIPPLE
at + 85 °C
www.vishay.com
240
For technical questions contact: aluminumcaps4@vishay.com
Document Number: 42046
Revision: 24-May-05
516D
Aluminum Capacitors
+ 85 °C, Miniature, Axial Lead
Vishay Sprague
ELECTRICAL DATA AND ORDERING INFORMATION
CAPACITANCE
(µF
PART NUMBER
NOMINAL CASE SIZE
DxL
LEAD
DIAMETER
Max. DF
at + 20 °C
Max. RIPPLE
at + 85 °C
100 WVDC at + 85 °C, SURGE = 125 V
0.47
1
2.2
3.3
4.7
10
22
33
47
100
220
330
470
1
2.2
3.3
4.7
10
22
33
47
100
1
2.2
3.3
4.7
10
22
33
47
100
1
2.2
3.3
4.7
10
22
33
47
100
516D474M100JL6A
516D105M100JL6A
516D225M100JL6A
516D335M100JL6A
516D475M100JL6A
516D106M100LL6A
516D226M100MM6A
516D336M100MM6A
516D476M100MN6A
516D107M100NR6A
516D227M100PR6A
516D337M100PS6A
516D477M100QS6A
516D105M160LL6A
516D225M160LM6A
516D335M160MM6A
516D475M160MM6A
516D106M160MN6A
516D226M160NR6A
516D336M160PR6A
516D476M160PS6A
516D107M160QT6A
516D105M200LL6A
516D225M200LM6A
516D335M200MM6A
516D475M200MM6A
516D106M200NP6A
516D226M200PR6A
516D336M200PR6A
516D476M200PS6A
516D107M200QT6A
516D105M250LM6A
516D225M250MM6A
516D335M250MM6A
516D475M250MN6A
516D106M250NP6A
516D226M250PR6A
516D336M250PS6A
516D476M250QS6A
516D107M250QT6A
0.197 x 0.472 [5.0 x 12.0]
0.197 x 0.472 [5.0 x 12.0]
0.197 x 0.472 [5.0 x 12.0]
0.197 x 0.472 [5.0 x 12.0]
0.197 x 0.472 [5.0 x 12.0]
0.248 x 0.472 [6.3 x 12.0]
0.315 x 0.630 [8.0 x 16.0]
0.315 x 0.630 [8.0 x 16.0]
0.315 x 0.787 [8.0 x 20.0]
0.394 x 1.024 [10.0 x 26.0]
0.512 x 1.024 [13.0 x 26.0]
0.512 x 1.240 [13.0 x 31.5]
0.630 x 1.240 [16.0 x 31.5]
0.248 x 0.472 [6.3 x 12.0]
0.248 x 0.630 [6.3 x 16.0]
0.315 x 0.630 [8.0 x 16.0]
0.315 x 0.630 [8.0 x 16.0]
0.315 x 0.787 [8.0 x 20.0]
0.394 x 1.024 [10.0 x 26.0]
0.512 x 1.024 [13.0 x 26.0]
0.512 x 1.240 [13.0 x 31.5]
0.630 x 1.633 [16.0 x 41.5]
0.248 x 0.472 [6.3 x 12.0]
0.248 x 0.630 [6.3 x 16.0]
0.315 x 0.630 [8.0 x 16.0]
0.315 x 0.630 [8.0 x 16.0]
0.394 x 0.827 [10.0 x 21.0]
0.512 x 1.024 [13.0 x 26.0]
0.512 x 1.024 [13.0 x 26.0]
0.512 x 1.240 [13.0 x 31.5]
0.630 x 1.633 [16.0 x 41.5]
0.248 x 0.630 [6.3 x 16.0]
0.315 x 0.630 [8.0 x 16.0]
0.315 x 0.630 [8.0 x 16.0]
0.315 x 0.787 [8.0 x 20.0]
0.394 x 0.827 [10.0 x 21.0]
0.512 x 1.024 [13.0 x 26.0]
0.512 x 1.240 [13.0 x 31.5]
0.630 x 1.240 [16.0 x 31.5]
0.630 x 1.633 [16.0 x 41.5]
0.024 [0.6]
0.024 [0.6]
0.024 [0.6]
0.024 [0.6]
0.024 [0.6]
0.024 [0.6]
0.024 [0.6]
0.024 [0.6]
0.024 [0.6]
0.024 [0.6]
0.024 [0.6]
0.024 [0.6]
0.031 [0.8]
0.024 [0.6]
0.024 [0.6]
0.024 [0.6]
0.024 [0.6]
0.024 [0.6]
0.024 [0.6]
0.024 [0.6]
0.024 [0.6]
0.031 [0.8]
0.024 [0.6]
0.024 [0.6]
0.024 [0.6]
0.024 [0.6]
0.024 [0.6]
0.024 [0.6]
0.024 [0.6]
0.024 [0.6]
0.031 [0.8]
0.024 [0.6]
0.024 [0.6]
0.024 [0.6]
0.024 [0.6]
0.024 [0.6]
0.024 [0.6]
0.024 [0.6]
0.031 [0.8]
0.031 [0.8]
0.08
0.08
0.08
0.08
0.08
0.08
0.08
0.08
0.08
0.08
0.08
0.08
0.08
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
10
18
28
34
40
60
120
150
190
340
560
750
970
13
23
33
39
60
120
170
230
430
13
23
33
39
70
140
170
230
430
14
27
33
45
70
140
190
260
430
160 WVDC at + 85 °C, SURGE = 200 V
200 WVDC at + 85 °C, SURGE = 250 V
250 WVDC at + 85 °C, SURGE = 300 V
Document Number: 42046
Revision: 24-May-05
For technical questions contact: aluminumcaps4@vishay.com
www.vishay.com
241
国产芯片交流
京公网安备 11010802033920号
Copyright © 2005-2026 EEWORLD.com.cn, Inc. All rights reserved
电子工程世界
