电子工程世界电子工程世界电子工程世界

关键词

搜索

型号

搜索

TBWC685K025LELC0845

产品描述Tantalum Capacitor, Polarized, Tantalum, 25V, 10% +Tol, 10% -Tol, 6.8uF, 2412,
产品类别无源元件    电容器   
文件大小70KB,共4页
制造商AVX
下载文档 详细参数 全文预览

TBWC685K025LELC0845概述

Tantalum Capacitor, Polarized, Tantalum, 25V, 10% +Tol, 10% -Tol, 6.8uF, 2412,

TBWC685K025LELC0845规格参数

参数名称属性值
是否Rohs认证不符合
Objectid716280939
包装说明, 2412
Reach Compliance Codenot_compliant
ECCN代码EAR99
电容6.8 µF
电容器类型TANTALUM CAPACITOR
介电材料TANTALUM (DRY/SOLID)
ESR2000 mΩ
高度2.6 mm
JESD-609代码e0
长度6 mm
负容差10%
端子数量2
最高工作温度125 °C
最低工作温度-55 °C
封装形式SMT
包装方法Bulk
极性POLARIZED
正容差10%
额定(直流)电压(URdc)25 V
参考标准MIL-PRF-55365
系列TBW
尺寸代码2412
端子面层Tin/Lead (Sn/Pb) - hot dipped
宽度3.2 mm

TBWC685K025LELC0845文档预览

TBW Series
Tantalum Fused DSCC Dwg 04053 COTS-Plus Weibull Grade & Space Level
TBW Fused Tantalum Capacitors offer protection from
possible damaging short circuit failure modes. This is
accomplished with an internal fuse in series with the
capacitor. See the photograph on the right. The AVX
fused tantalum offers lower ESR limits than competi-
tive fused tantalum capacitors, and is available with
Weibull and surge testing per MIL PRF 55365.
Anode, fuse and leadframe assembly
CASE DIMENSIONS:
millimeters (inches)
Code
C
D
E
EIA
Code
6032-28
7343-31
7343-43
L±0.20 (0.008)
6.00 (0.236)
7.30 (0.287)
7.30 (0.287)
W+0.20 (0.008)
–0.10 (0.004)
3.20 (0.126)
4.30 (0.169)
4.30 (0.169)
H+0.20 (0.008)
–0.10 (0.004)
2.60 (0.102)
2.90 (0.114)
4.10 (0.162)
W1 ±0.20
(0.008)
2.20 (0.087)
2.40 (0.094)
2.40 (0.094)
A+0.30 (0.012)
–0.20 (0.008)
1.30 (0.051)
1.30 (0.051)
1.30 (0.051)
S Min.
2.90 (0.114)
4.40 (0.173)
4.40 (0.173)
CAPACITANCE AND RATED VOLTAGE, V
R
(VOLTAGE CODE) RANGE (LETTER DENOTES CASE SIZE)
Capacitance
μF
0.47
0.68
1
1.5
2.2
3.3
4.7
6.8
10
15
22
33
47
68
100
150
220
330
470
4
6
10
Rated Voltage DC (V
R
) to 85°C
16
20
25
35
50
C
C
C
C
D
D
D
E(20%)
C
C
D
D
E
E
C
C
C
C/D
C/D
D/E
D
D/E
E
C
C
C
C/D
C/D
D
D/E
D/E
E
C
C
C
C/D
D
D/E
E
C
C
C
D
D
E
E
C
C
C
C
C/D
D
D/E
C
C
C
D
D
E
D/E
E
39
TBW Series
Tantalum Fused DSCC Dwg 04053 COTS-Plus Weibull Grade & Space Level
HOW TO ORDER
COTS-PLUS & DSCC DWG (04053):
TBW D
Type
686
*
006
C
#
@
Reliability Grade
Weibull:
B = 0.1%/1000 hrs.
90% conf.
C = 0.01%/1000 hrs.
90% conf.
Z = Non-ER
0
^
++
Surge Test
Option
00 = None
23 = 10 Cycles, +25ºC
24 = 10 Cycles,
-55ºC & +85ºC
45 = 10 cycles,
-55ºC & +85ºC
before Weibull
Case Capacitance Capacitance
Voltage
Standard or Packaging Inspection Level
Size
Code
Tolerance
Code
Low ESR
S = Std.
B = Bulk
pF code:
M = ±20% 004 = 4Vdc
Range
Conformance
R = 7" T&R
1st two digits
K = ±10% 006 = 6Vdc C = Std ESR S = 13" T&R L = Group A
represent
J = ±5%
010 = 10Vdc L = Low ESR W = Waffle
D = DSCC DWG
significant
015 = 15Vdc
figures 3rd
020 = 20Vdc
See page 5
digit represents
025 = 25Vdc
for additional
multiplier
035 = 35Vdc
(number of
packaging
zeros to follow)
050 = 50Vdc
options.
Qualification Termination Finish
Level
H = Solder Plated
0 = N/A
0 = Fused Solder
Plated
9 = SRC9000
8 = Hot Solder
Dipped
9 = Gold Plated
7 = Matte Sn
(COTS-Plus only)
DSCC DWG P/N CROSS REFERENCE:
04053
DSCC DWG
04053
-01
Dash
Number
See Rating
Tables
NOTE: DSCC DWG 04053 specifies 20% capacitance
tolerance and solder plated termination options only. For
10% capacitance tolerance, solder fused finish, Weibull
grading and MIL surge options, order using AVX part
number above.
SPACE LEVEL OPTIONS TO SRC9000*:
TBW D
Type
686
*
006
C
L
@
9
^
++
Surge Test
Option
00 = 10 Cycles,
-55ºC & +85ºC
45 = 10 cycles,
-55ºC & +85ºC
before Weibull
Case Capacitance Capacitance
Voltage
Standard or Packaging Inspection Level
Reliability Grade
Size
Code
Tolerance
Code
Low ESR
L = Group A
Weibull:
B = Bulk
pF code:
M = ±20% 004 = 4Vdc
Range
B = 0.1%/1000 hrs.
R = 7" T&R
1st two digits
K = ±10% 006 = 6Vdc C = Std ESR S = 13" T&R
90% conf.
represent
J = ±5%
010 = 10Vdc L = Low ESR W = Waffle
C = 0.01%/1000 hrs.
significant
015 = 15Vdc
90% conf.
figures 3rd
020 = 20Vdc
See page 5
digit represents
025 = 25Vdc
for additional
multiplier
035 = 35Vdc
(number of
packaging
zeros to follow)
050 = 50Vdc
options.
Qualification Termination Finish
Level
H = Solder Plated
9 = SRC9000 0 = Fused Solder
Plated
8 = Hot Solder
Dipped
9 = Gold Plated
*Qualifications Pending
TECHNICAL SPECIFICATIONS
Technical Data:
Capacitance Range:
Capacitance Tolerance:
Rated Voltage (V
R
)
Category Voltage (V
C
)
Surge Voltage (V
S
)
Surge Voltage (V
S
)
Temperature Range:
Unless otherwise specified, all technical data relate to an ambient temperature of 25°C
0.47 μF to 470 μF
±10%; ±20%
4
6
10
15
20
25
35
50
2.7
4
7
10
13
17
23
33
5.2
8
13
20
26
32
46
65
3.4
5
8
13
16
20
28
40
-55°C to +125°C
+85°C:
+125°C:
+85°C:
+125°C:
40
TBW Series
Tantalum Fused DSCC Dwg 04053 COTS-Plus Weibull Grade & Space Level
RATING & PART NUMBER
REFERENCE
AVX P/N
TBWC686*004C
TBWC107*004C
TBWD157*004C
TBWD227*004C
TBWD337*004C
TBWE337*004C
TBWE477*004C
TBWC156*006C
TBWC226*006C
TBWC336*006C
TBWD476*006C
TBWC476*006C
TBWD686*006C
TBWC686*006C
TBWX107*006C
TBWD107*006C
TBWD157*006C
TBWD227*006C
TBWE227*006C
TBWE337*006C
TBWC106*010C
TBWC156*010C
TBWC226*010C
TBWD336*010C
TBWC336*010C
TBWD476*010C
TBWC476*010C
TBWE686*010C
TBWD686*010C
TBWD107*010C
TBWE157*010C
TBWD157*010C
TBWE227*010C
TBWC685*016C
TBWC106*016C
TBWC156*016C
TBWD226*016C
TBWC226*016C
TBWD336*016C
TBWE476*016C
TBWD476*016C
TBWE107*016C
TBWC475*020C
TBWC685*020C
TBWC106*020C
TBWD156*020C
TBWD226*020C
TBWE336*020C
#@0^++
#@0^++
#@0^++
#@0^++
#@0^++
#@0^++
#@0^++
#@0^++
#@0^++
#@0^++
#@0^++
#@0^++
#@0^++
#@0^++
#@0^++
#@0^++
#@0^++
#@0^++
#@0^++
#@0^++
#@0^++
#@0^++
#@0^++
#@0^++
#@0^++
#@0^++
#@0^++
#@0^++
#@0^++
#@0^++
#@0^++
#@0^++
#@0^++
#@0^++
#@0^++
#@0^++
#@0^++
#@0^++
#@0^++
#@0^++
#@0^++
#@0^++
#@0^++
#@0^++
#@0^++
#@0^++
#@0^++
#@0^++
04053
04053
04053
04053
04053
04053
04053
04053
04053
04053
04053
04053
04053
04053
04053
04053
04053
04053
04053
04053
04053
04053
04053
04053
04053
04053
04053
04053
04053
04053
04053
04053
04053
04053
04053
04053
04053
04053
04053
04053
04053
04053
04053
04053
04053
04053
04053
04053
001
002
003
004
005
006
007
011
013
014
015
016
017
018
019
020
021
022
023
024
028
030
031
032
033
034
035
036
037
038
039
040
041
045
047
048
049
050
051
052
053
054
058
059
060
061
062
063
C
C
D
D
D
E
E
C
C
C
D
C
D
C
E
D
D
D
E
E
C
C
C
D
C
D
C
E
D
D
E
D
E
C
C
C
D
C
D
E
D
E
C
C
C
D
D
E
Parametric Specifications by Rating DSCC 04053
Cap
DC Rated ESR @
DCL max
DF max
@ 120Hz Voltage 100kHz
+25°C
+85°C
+125°C
+25°C +(85/125)°C -55°C
μF @
V@
Ohms @
DSCC P/N Case
(μA)
(μA)
(μA)
(%)
(%)
(%)
25ºC
+85ºC
+25ºC
68
100
150
220
330
330
470
15
22
33
47
47
68
68
100
100
150
220
220
330
10
15
22
33
33
47
47
68
68
100
150
150
220
6.8
10
15
22
22
33
47
47
100
4.7
6.8
10
15
22
33
4
4
4
4
4
4
4
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
16
16
16
16
16
16
16
16
16
20
20
20
20
20
20
1.6
1.2
0.8
0.7
0.7
0.7
0.5
2
2
2
1
1.6
1
1.2
0.9
0.8
0.7
0.7
0.7
0.5
2
2
2
1
1.6
1
1.2
0.9
0.8
0.7
0.7
0.7
0.5
2
2
2
1
1.6
1
0.9
0.8
0.7
2
2
2
1
1
0.9
2.7
4
6
8.8
13.2
13.2
18.8
0.7
1.4
2
2.9
2.9
4.1
4.1
6
6
9
13.2
13.2
19.8
1
1.5
2.2
3.3
3.3
4.7
4.7
6.8
6.8
10
15
15
22
1.1
1.6
2.4
3.6
3.6
5.3
7.5
7.5
16
1
1.4
2
3
4.4
6.6
27
40
60
88
132
132
188
7
14
20
29
29
41
41
60
60
90
132
132
198
10
15
22
33
33
47
47
68
68
100
150
150
220
11
16
24
36
36
53
75
75
160
10
14
20
30
44
66
32.4
48
72
105.6
158.4
158.4
225.6
8.4
16.8
24
34.8
34.8
49.2
49.2
72
72
108
158.4
158.4
237.6
12
18
26.4
39.6
39.6
56.4
56.4
81.6
81.6
120
180
180
264
13.2
19.2
28.8
43.2
43.2
63.6
90
90
192
12
16.8
24
36
52.8
79.2
6
8
8
8
8
8
8
6
6
6
6
6
6
6
8
8
8
8
8
8
6
6
6
6
6
6
6
6
6
8
8
8
8
6
6
6
6
6
6
6
6
8
6
6
6
6
6
6
9
12
12
12
12
12
12
9
9
9
9
9
9
9
12
12
12
12
12
12
9
9
9
9
9
9
9
9
9
12
12
12
12
9
9
9
9
9
9
9
9
12
9
9
9
9
9
9
9
12
12
12
12
12
12
9
9
9
9
9
9
9
12
12
12
12
12
12
9
9
9
9
9
9
9
9
9
12
12
12
12
9
9
9
9
9
9
9
9
12
9
9
9
9
9
9
Power
Dissipation
W
0.110
0.110
0.150
0.150
0.150
0.165
0.165
0.110
0.110
0.110
0.150
0.110
0.150
0.110
0.165
0.150
0.150
0.150
0.165
0.165
0.110
0.110
0.110
0.150
0.110
0.150
0.110
0.165
0.150
0.150
0.165
0.150
0.165
0.110
0.110
0.110
0.150
0.110
0.150
0.165
0.150
0.165
0.110
0.110
0.110
0.150
0.150
0.165
Typical Ripple Data by Rating
25ºC
85ºC
125ºC
25ºC
85ºC
125ºC
Ripple
Ripple
Ripple
Ripple
Ripple
Ripple
A
A
A
V
V
V
(100kHz) (100kHz) (100kHz) (100kHz) (100kHz) (100kHz)
0.26
0.30
0.43
0.46
0.46
0.49
0.57
0.23
0.23
0.23
0.39
0.26
0.39
0.30
0.43
0.43
0.46
0.46
0.49
0.57
0.23
0.23
0.23
0.39
0.26
0.39
0.30
0.43
0.43
0.46
0.49
0.46
0.57
0.23
0.23
0.23
0.39
0.26
0.39
0.43
0.43
0.49
0.23
0.23
0.23
0.39
0.39
0.43
0.24
0.27
0.39
0.42
0.42
0.44
0.52
0.21
0.21
0.21
0.35
0.24
0.35
0.27
0.39
0.39
0.42
0.42
0.44
0.52
0.21
0.21
0.21
0.35
0.24
0.35
0.27
0.39
0.39
0.42
0.44
0.42
0.52
0.21
0.21
0.21
0.35
0.24
0.35
0.39
0.39
0.44
0.21
0.21
0.21
0.35
0.35
0.39
0.10
0.12
0.17
0.19
0.19
0.19
0.23
0.09
0.09
0.09
0.15
0.10
0.15
0.12
0.17
0.17
0.19
0.19
0.19
0.23
0.09
0.09
0.09
0.15
0.10
0.15
0.12
0.17
0.17
0.19
0.19
0.19
0.23
0.09
0.09
0.09
0.15
0.10
0.15
0.17
0.17
0.19
0.09
0.09
0.09
0.15
0.15
0.17
0.42
0.36
0.35
0.32
0.32
0.34
0.29
0.47
0.47
0.47
0.39
0.42
0.39
0.36
0.39
0.35
0.32
0.32
0.34
0.29
0.47
0.47
0.47
0.39
0.42
0.39
0.36
0.39
0.35
0.32
0.34
0.32
0.29
0.47
0.47
0.47
0.39
0.42
0.39
0.39
0.35
0.34
0.47
0.47
0.47
0.39
0.39
0.39
0.38
0.33
0.31
0.29
0.29
0.31
0.26
0.42
0.42
0.42
0.35
0.38
0.35
0.33
0.35
0.31
0.29
0.29
0.31
0.26
0.42
0.42
0.42
0.35
0.38
0.35
0.33
0.35
0.31
0.29
0.31
0.29
0.26
0.42
0.42
0.42
0.35
0.38
0.35
0.35
0.31
0.31
0.42
0.42
0.42
0.35
0.35
0.35
0.17
0.15
0.14
0.13
0.13
0.14
0.11
0.19
0.19
0.19
0.15
0.17
0.15
0.15
0.15
0.14
0.13
0.13
0.14
0.11
0.19
0.19
0.19
0.15
0.17
0.15
0.15
0.15
0.14
0.13
0.14
0.13
0.11
0.19
0.19
0.19
0.15
0.17
0.15
0.15
0.14
0.14
0.19
0.19
0.19
0.15
0.15
0.15
All technical data relates to an ambient temperature of +25°C. Capacitance and DF are measured at 120Hz, 0.5V RMS with a maximum DC bias of 2.2 volts. DCL is measured at rated voltage after 5 minutes.
NOTE: AVX reserves the right to supply a higher voltage rating or tighter tolerance part in the same case size, to the same reliability standards.
41
TBW Series
Tantalum Fused DSCC Dwg 04053 COTS-Plus Weibull Grade & Space Level
RATING & PART NUMBER
REFERENCE
AVX P/N
TBWE476*004C
TBWC225*025C
TBWC335*025C
TBWC475*025C
TBWC685*025C
TBWC106*025C
TBWD106*025C
TBWD156*025C
TBWE226*025C
TBWD226*025C
TBWC155*035C
TBWC225*035C
TBWC335*035C
TBWD475*035C
TBWD685*035C
TBWE106*035C
TBWD156*035C
TBWE156*035C
TBWE226*035C
TBWC474*050C
TBWC684*050C
TBWC105*050C
TBWC155*050C
TBWD225*050C
TBWD335*050C
TBWD475*050C
TBWE106M050C
#@0^++
#@0^++
#@0^++
#@0^++
#@0^++
#@0^++
#@0^++
#@0^++
#@0^++
#@0^++
#@0^++
#@0^++
#@0^++
#@0^++
#@0^++
#@0^++
#@0^++
#@0^++
#@0^++
#@0^++
#@0^++
#@0^++
#@0^++
#@0^++
#@0^++
#@0^++
#@0^++
04053
04053
04053
04053
04053
04053
04053
04053
04053
04053
04053
04053
04053
04053
04053
04053
04053
04053
04053
04053
04053
04053
04053
04053
064
068
069
070
071
072
073
074
075
076
080
081
082
083
084
085
086
087
091
092
093
094
095
096
E
C
C
C
C
C
D
D
E
D
C
C
C
D
D
E
D
E
E
C
C
C
C
D
D
D
E
Parametric Specifications by Rating DSCC 04053
Cap
DC Rated ESR @
DCL max
DF max
@ 120Hz Voltage 100kHz
+25°C
+85°C
+125°C
+25°C +(85/125)°C -55°C
μF @
V@
Ohms @
DSCC P/N Case
(μA)
(μA)
(μA)
(%)
(%)
(%)
25ºC
+85ºC
+25ºC
47
2.2
3.3
4.7
6.8
10
10
15
22
22
1.5
2.2
3.3
4.7
6.8
10
15
15
22
0.47
0.68
1
1.5
2.2
3.3
4.7
10
20
25
25
25
25
25
25
25
25
25
35
35
35
35
35
35
35
35
35
50
50
50
50
50
50
50
50
0.3
3.5
2.5
2.5
2
0.6
1.2
1
0.9
0.8
4.5
3.5
2.5
1.5
1.3
1
0.75
0.9
0.3
8
7
5.5
5
2.5
2
0.75
1.5
9.4
0.6
0.9
1.2
1.7
2.5
2.5
3.8
5.5
5.5
0.5
0.8
1.2
1.7
2.4
3.5
5.3
5.3
7.7
0.5
0.5
0.5
0.8
1.1
1.7
2.4
5
94
6
9
12
17
25
25
38
55
55
5
8
12
17
24
35
53
53
77
5
5
5
8
11
17
24
50
112.8
7.2
10.8
14.4
20.4
30
30
45.6
66
66
6
9.6
14.4
20.4
28.8
42
63.6
63.6
92.4
6
6
6
9.6
13.2
20.4
28.8
60
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
4
4
4
6
6
6
6
6
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
6
6
6
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
6
6
6
9
9
9
9
9
Power
Dissipation
W
0.165
0.110
0.110
0.110
0.110
0.110
0.150
0.150
0.165
0.150
0.110
0.110
0.110
0.150
0.150
0.165
0.150
0.165
0.165
0.110
0.110
0.110
0.110
0.150
0.150
0.150
0.165
Typical Ripple Data by Rating
25ºC
85ºC
125ºC
25ºC
85ºC
125ºC
Ripple
Ripple
Ripple
Ripple
Ripple
Ripple
A
A
A
V
V
V
(100kHz) (100kHz) (100kHz) (100kHz) (100kHz) (100kHz)
0.74
0.18
0.21
0.21
0.23
0.43
0.35
0.39
0.43
0.43
0.16
0.18
0.21
0.32
0.34
0.41
0.45
0.43
0.74
0.12
0.13
0.14
0.15
0.24
0.27
0.45
0.33
0.67
0.16
0.19
0.19
0.21
0.39
0.32
0.35
0.39
0.39
0.14
0.16
0.19
0.28
0.31
0.37
0.40
0.39
0.67
0.11
0.11
0.13
0.13
0.22
0.25
0.40
0.30
0.30
0.07
0.08
0.08
0.09
0.17
0.14
0.15
0.17
0.17
0.06
0.07
0.08
0.13
0.14
0.16
0.18
0.17
0.30
0.05
0.05
0.06
0.06
0.10
0.11
0.18
0.13
0.22
0.62
0.52
0.52
0.47
0.26
0.42
0.39
0.39
0.35
0.70
0.62
0.52
0.47
0.44
0.41
0.34
0.39
0.22
0.94
0.88
0.78
0.74
0.61
0.55
0.34
0.50
0.20
0.56
0.47
0.47
0.42
0.23
0.38
0.35
0.35
0.31
0.63
0.56
0.47
0.43
0.40
0.37
0.30
0.35
0.20
0.84
0.79
0.70
0.67
0.55
0.49
0.30
0.45
0.09
0.25
0.21
0.21
0.19
0.10
0.17
0.15
0.15
0.14
0.28
0.25
0.21
0.19
0.18
0.16
0.13
0.15
0.09
0.38
0.35
0.31
0.30
0.24
0.22
0.13
0.20
All technical data relates to an ambient temperature of +25°C. Capacitance and DF are measured at 120Hz, 0.5V RMS with a maximum DC bias of 2.2 volts. DCL is measured at rated voltage after 5 minutes.
NOTE: AVX reserves the right to supply a higher voltage rating or tighter tolerance part in the same case size, to the same reliability standards.
42
ARM 中的分支指令 B 的问题
B 为什么限制在当前指令的正负32MB范围内 还有 就是 ARM 指令为字对齐,最低2位地址固定为0 是什么意思? 我看了一下B 的指令编码格式 但是不懂 我总以为范围应是 16MB 本人菜鸟 ......
linwj ARM技术
为什么用稳压二极管做的3.3V电源供电给单片机时候引脚上的电压就变成2.2V了!有图
里面R1被我改成270欧了,470欧时候输出电压才3.1V,270欧刚好3.3V!但是一接到单片机的VCC上就变成2.2V,难道要我加个电压跟随器改变阻抗吗:) C:\Users\Administrator\Desktop...
278023330 微控制器 MCU
求keil破解限制在8k或无限制的!
好多keil破解的软件都有限制(2k)!在编写程序是往往受限,在使用时功能不能完整的显现!...
645715899 单片机
嵌入式工程师的经验之谈
本文将从技术和就业经验等角度为即将进入嵌入式开发的工程师们,详细讲述了嵌入式的概念,嵌入式开发之间的异同以及应该如何做出选择。以下都是前辈的一些经验之谈,希望对大家有所帮助。 第一 ......
jjkwz 嵌入式系统
Linux基金会庆祝Linux成立30周年
https://linuxfoundation.org/en/linux30th/ 531255 531256 531257 ...
dcexpert DIY/开源硬件专区
LPC1778的串口波特率自适应问题
有谁懂这块吗?是指自动检测波特率吗? ...
s1q23 NXP MCU

 
EEWorld订阅号

 
EEWorld服务号

 
汽车开发圈

 
机器人开发圈

About Us 关于我们 客户服务 联系方式 器件索引 网站地图 最新更新 手机版

站点相关: 大学堂 TI培训 Datasheet 电子工程 索引文件: 2061  787  2472  1843  1740  42  16  50  38  36 

器件索引   0 1 2 3 4 5 6 7 8 9 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

北京市海淀区中关村大街18号B座15层1530室 电话:(010)82350740 邮编:100190

电子工程世界版权所有 京B2-20211791 京ICP备10001474号-1 电信业务审批[2006]字第258号函 京公网安备 11010802033920号 Copyright © 2005-2026 EEWORLD.com.cn, Inc. All rights reserved