datasheet
EEWORLDEEWORLDEEWORLD
Datasheet
Part Number

Keyword

Search
Keyword

Part Number

Search
Datasheet> All Categories > Power/power management> The power supply circuit> ZW1R52412
PDF
Preview

ZW1R52412

Description
DC-DC Regulated Power Supply Module, 2 Output, 1.44W, Hybrid, PLASTIC PACKAGE-7
CategoryPower/power management    The power supply circuit   
File Size63KB，1 Pages
ManufacturerCosel
Download Datasheet Parametric Compare View All

ZW1R52412 Overview

DC-DC Regulated Power Supply Module, 2 Output, 1.44W, Hybrid, PLASTIC PACKAGE-7

ZW1R52412 Parametric

Parameter NameAttribute value
MakerCosel
Parts packaging codeMODULE
package instructionPLASTIC PACKAGE-7
Contacts7
Reach Compliance Codeunknown
ECCN codeEAR99
Other features-12V ADDITIONAL OUTPUT AVAILABLE
Analog Integrated Circuits - Other TypesDC-DC REGULATED POWER SUPPLY MODULE
Maximum input voltage30 V
Minimum input voltage20 V
Nominal input voltage24 V
JESD-30 codeR-PXMA-P7
length33 mm
Number of functions1
Output times2
Number of terminals7
Maximum operating temperature50 °C
Minimum operating temperature
Maximum output voltage12.6 V
Minimum output voltage11.4 V
Nominal output voltage12 V
Package body materialPLASTIC/EPOXY
Package shapeRECTANGULAR
Package formMICROELECTRONIC ASSEMBLY
Certification statusNot Qualified
Maximum seat height10.5 mm
surface mountNO
technologyHYBRID
Temperature levelCOMMERCIAL
Terminal formPIN/PEG
Terminal locationUNSPECIFIED
Maximum total power output1.44 W
Fine-tuning/adjustable outputNO
width20.72 mm

Preview

Download Datasheet
Cosel U.S.A.
DC/DC Converters
DAS Series Single Output Ñ
50-100 Watts Modular, Board Mount
Designed for High Reliability, High Wattage, Low Profile Applications
c
High Quality Ñ Field Failure Rate
Less than 0.012%
c
Ideal for Distributive Power Systems
c
Thin and Small SMT Construction
c
Wide Voltage Input Series:
88-370 VDC
c
Fully Regulated and Isolated Between
Input/Output
Stock
No.
800-9782
800-9783
800-9784
800-9785
800-9786
Mfr.Õs
Type
DAS50F12
DAS50F24
DAS100F05
DAS100F12
DAS100F24
Watts
Approx.
50
50
100
100
100
Input
Voltage
DC 88 ~ 370 V
DC 88 ~ 370 V
DC 88 ~ 370 V
DC 88 ~ 370 V
DC 88 ~ 370 V
DBS Series DC/DC Power Modules
High Density 200-400 Watt Modules
c
Small Size, Multifunction
c
Wide Range Input DC Voltage:
200-400 VDC, 200~400 VDC
c
Standard Outputs: 3.3, 5, 7.5, 12 VDC
c
High Quality Ñ Documented Field
Failure Rate Less than 0.012%
c
Fully Regulated and Isolated Between
Input/Output
Stock
No.
Mfr.Õs
Type
DBS200B03
DBS200B05
DBS200B07
DBS200B12
DBS400B03
DBD400B05
DBS400B07
DBS400B12
Watts
Approx.
200
200
200
200
400
400
400
400
Input
Voltage
200 ~ 400 V
200 ~ 400 V
200 ~ 400 V
200 ~ 400 V
200 ~ 400 V
200 ~ 400 V
200 ~ 400 V
200 ~ 400 V
c
Over-Voltage and Over-Current
Protection Circuitry
c
Built-In Remote On/Off, Isolated from
Output
c
UL, CSA, TUV Safety Approvals
c
Three Year Warranty
c
Heatsink Available Upon Request
Output
Volts/Amps
12 V/4.2 A
24 V/2.1 A
5 V/20.0 A
12 V/8.5 A
24 V/4.2 A
Dimensions
W
´
H
´
D (In.)
2.28
´
0.5
´
4.53
2.28
´
0.5
´
4.53
2.28
´
0.5
´
5.12
2.28
´
0.5
´
5.12
2.28
´
0.5
´
5.12
EACH
1-4
112.18
112.18
166.62
166.62
166.62
5-24
103.55
103.55
153.96
153.96
153.96
c
Over-Voltage and Over-Current
Protection Circuitry
c
Thermal Protection
c
N + 1 Redundancy Operation
c
True Parallel Operation
c
UL, cUL, T†V Safety Approvals
Output
Volts/Amps
3.3/50
5.0/40
7.5/28
12.0/20
3.3/80
5.0/80
7.5/54
12.0/34
Dimensions
W
´
H
´
D (In.)
2.00
´
0.5
´
4.20
2.00
´
0.5
´
4.20
2.00
´
0.5
´
4.20
2.00
´
0.5
´
4.20
2.00
´
0.5
´
4.20
2.00
´
0.5
´
4.20
2.00
´
0.5
´
4.20
2.00
´
0.5
´
4.20
EACH
1-4
197.42
197.42
197.42
197.42
250.14
250.14
250.14
279.68
5-24
182.69
182.69
182.69
182.69
230.90
230.90
230.90
258.81
800-9787
800-9788
800-9789
800-9790
800-9791
800-9792
800-9793
800-9794
CBS Series
50, 100, and 200 Watt
DC-DC Power Modules
Designed for Datacom and Telecom Applications
c
c
c
c
c
c
c
c
c
c
Ñ NEW Ñ
Stock
No.
800-9960
800-9961
800-9962
800-9963
800-9964
800-9965
800-9966
800-9967
800-9968
800-9969
800-9970
800-9971
800-9972
800-9973
800-9974
800-9975
800-9976
800-9977
Mfr.Õs
Type
CBS504803
CBS504805
CBS504812
CBS504815
CBS504824
CBS504828
CBS1004803
CBS1004805
CBS1004812
CBS1004815
CBS1004824
CBS1004828
CBS2004803
CBS2004805
CBS2004812
CBS2004815
CBS2004824
CBS2004828
Watts
Approx.
50
50
50
50
50
50
100
100
100
100
100
100
200
200
200
200
200
200
Input
Voltage
48
48
48
48
48
48
48
48
48
48
48
48
48
48
48
48
48
48
Output
Volts/Amps
3.3/11.7
5.0/10.0
12.0/4.2
15.0/3.4
24.0/2.1
28.0/1.8
3.3/23.4
5.0/20.0
12.0/8.4
15.0/6.7
24.0/4.2
28.0/3.6
3.3/35.0
5.0/30.0
12.0/16.7
15.0/13.4
24.0/8.4
28.0/7.2
Dimensions
W
´
H
´
D (In.)
2.28
´
.5
´
2.4
2.28
´
.5
´
2.4
2.28
´
.5
´
2.4
2.28
´
.5
´
2.4
2.28
´
.5
´
2.4
2.28
´
.5
´
2.4
2.28
´
.5
´
2.4
2.28
´
.5
´
2.4
2.28
´
.5
´
2.4
2.28
´
.5
´
2.4
2.28
´
.5
´
2.4
2.28
´
.5
´
2.4
2.28
´
.5
´
2.4
2.28
´
.5
´
2.4
2.28
´
.5
´
2.4
2.28
´
.5
´
2.4
2.28
´
.5
´
2.4
2.28
´
.5
´
2.4
EACH
1-4
85.00
85.00
85.00
85.00
85.00
85.00
119.00
119.00
85.00
119.00
119.00
119.00
136.00
136.00
136.00
136.00
136.00
136.00
5-24
80.95
80.95
80.95
80.95
80.95
80.95
113.33
113.33
80.95
113.33
113.33
113.33
129.52
129.52
129.52
129.52
129.52
129.52
High Quality: Documented Field Failure Rate Less than 0.012%
Half Brick Industry Standard Ñ Pin for Pin Compatible with Lucent JW Series
Fully Isolated Input-Output
DC Input: 36 ~ 76 VDC
Built-In Overcurrent, Overvoltage Protection
Thermal Protection
Remote Sensing
Remote ON/OFF
Ð40 ~ 100¡C Operation
Five-Year Warranty
Z Series Single and Dual Outputs Ñ
1.5-10 Watts, Board Mount
Designed for High Reliability and Small Compact Footprint.
Single Output (Continued)
Stock
No.
800-1725
800-1730
800-1735
800-1740
800-1995
800-2031
800-2032
800-2033
800-2035
800-2036
800-2037
800-2038
800-2040
800-2050
800-1750
800-1760
800-1765
800-1775
800-1780
800-1785
800-2090
800-2095
800-2100
800-2105
800-2110
800-2125
Mfr.Õs
Type
ZS1R51215
ZS1R52405
ZS1R52412
ZS1R52415
ZS30505
ZS30512
ZS30515
ZS31205
ZS31212
ZS31215
ZS32405
ZS32412
ZS34805
ZS34812
ZS60512
ZS61205
ZS61212
ZS62405
ZS62412
ZS62415
ZS101205
ZS101212
ZS101215
ZS102405
ZS102412
ZS104812
Watts
Approx.
1.5
1.5
1.5
1.5
3.0
3.0
3.0
3.0
3.0
3.0
3.0
3.0
3.0
3.0
6.0
6.0
6.0
6.0
6.0
6.0
10.0
10.0
10.0
10.0
10.0
10.0
Input
Voltage
12 (10-15)
24 (20-30)
24 (20-30)
24 (20-30)
5 (4.5-6.0)
5 (4.5-6.0)
5 (4.5-6.0)
12 (10-15)
12 (10-15)
12 (10-15)
24 (20-30)
24 (20-30)
48 (35-63)
48 (35-63)
5 (4.5-6.0)
12 (10-15)
12 (10-15)
24 (20-30)
24 (20-30)
24 (20-30)
12 (10-15)
12 (10-15)
12 (10-15)
24 (20-30)
24 (20-30)
48 (35-63)
Output
Volts/Amps
15/0.10
5/0.25
12/0.12
15/0.10
5/0.50
12/0.25
15/0.20
5/0.50
12/0.25
15/0.20
5/0.50
12/0.25
5/0.50
12/0.25
12/0.50
5/1.00
12/0.50
5/1.00
12/0.50
15/0.40
5/2.00
12/0.90
15/0.70
5/2.00
12/0.90
12/0.90
Dimensions
W
´
H
´
D (In.)
1.30
´
0.82
´
0.39
1.30
´
0.82
´
0.39
1.30
´
0.82
´
0.39
1.30
´
0.82
´
0.39
1.83
´
1.18
´
0.39
1.83
´
1.18
´
0.39
1.83
´
1.18
´
0.39
1.83
´
1.18
´
0.39
1.83
´
1.18
´
0.39
1.83
´
1.18
´
0.39
1.83
´
1.18
´
0.39
1.83
´
1.18
´
0.39
1.83
´
1.18
´
0.39
1.83
´
1.18
´
0.39
1.65
´
1.85
´
0.55
1.65
´
1.85
´
0.55
1.65
´
1.85
´
0.55
1.65
´
1.85
´
0.55
1.65
´
1.85
´
0.55
1.65
´
1.85
´
0.55
1.65
´
1.85
´
0.55
1.65
´
1.85
´
0.55
1.65
´
1.85
´
0.55
1.65
´
1.85
´
0.55
1.65
´
1.85
´
0.55
1.65
´
1.85
´
0.55
EACH
1-4
24.57
26.00
24.57
24.57
30.11
30.11
30.11
30.11
30.11
30.11
30.11
30.11
30.11
30.11
43.05
43.05
43.05
43.05
43.05
43.05
63.12
63.12
63.12
63.12
63.12
63.12
5-24
22.70
24.00
22.70
22.70
27.82
27.82
27.82
27.82
27.82
27.82
27.82
27.82
27.82
27.82
39.78
39.78
39.78
39.78
39.78
39.78
58.32
58.32
58.32
58.32
58.32
58.32
12
c
c
c
c
c
c
c
Small Compact Footprint
High Quality Ñ Field Failure Rate Less than 0.012%
Wide Range Input Series: 4.5 to 63 VDC
Over-Current Protection Circuitry
Fully Regulated and Fully Isolated Between Input/Output
Series and Parallel Redundancy Operation
Five Year Warranty
Stock
No.
Mfr.Õs
Type
ZS1R50505
ZS1R50512
ZS1R50515
ZS1R51205
ZS1R51212
Watts
Approx.
1.5
1.5
1.5
1.5
1.5
Input
Voltage
5 (4.5-6.0)
5 (4.5-6.0)
5 (4.5-6.0)
12 (10-15)
12 (10-15)
Output
Volts/Amps
5/0.25
12/0.12
15/0.10
5/0.25
12/0.12
Dimensions
W
´
H
´
D (In.)
1.30
´
0.82
´
0.39
1.30
´
0.82
´
0.39
1.30
´
0.82
´
0.39
1.30
´
0.82
´
0.39
1.30
´
0.82
´
0.39
EACH
1-4
24.57
24.57
24.57
24.57
24.57
5-24
22.70
22.70
22.70
22.70
22.70
Multiple Output
800-1500
800-1505
800-1510
800-1515
800-1520
800-1525
800-1530
800-1535
800-1540
800-1545
800-1550
800-1555
800-1565
800-1566
800-1570
800-1575
800-2160
800-1595
800-1600
800-1610
ZW1R50512
ZW1R50515
ZW1R51212
ZW1R51215
ZW1R52412
ZW1R52415
ZW30512
ZW30515
ZW31212
ZW31215
ZW32412
ZW32415
ZW60515
ZW61212
ZW61215
ZW62412
ZW64815
ZW101212
ZW101215
ZW102415
1.5
1.5
1.5
1.5
1.5
1.5
3.0
3.0
3.0
3.0
3.0
3.0
6.0
6.0
6.0
6.0
6.0
10.0
10.0
10.0
5 (4.5-6.0)
5 (4.5-6.0)
12 (10-15)
12 (10-15)
24 (20-30)
24 (20-30)
5 (4.5-6.0)
5 (4.5-6.0)
12 (10-15)
12 (10-15)
24 (20-30)
24 (20-30)
5 (4.5-6.0)
12 (10-15)
12 (10-15)
24 (20-30)
48 (35-63)
12 (10-15)
12 (10-15)
24 (20-30)
±12*/0.06
±15/0.05
±12*/0.06
±15/0.05
±12*/0.06
±15/0.05
±12*/0.12
±15/0.10
±12*/0.12
±15/0.10
±12*/0.12
±15/0.10
±15/0.20
±12*/0.25
±15/0.20
±12*/0.25
±15/0.20
±12*/0.45
±15/0.35
±15/0.35
1.30
´
0.82
´
0.39
1.30
´
0.82
´
0.39
1.30
´
0.82
´
0.39
1.30
´
0.82
´
0.39
1.30
´
0.82
´
0.39
1.30
´
0.82
´
0.39
1.83
´
1.18
´
0.39
1.83
´
1.18
´
0.39
1.83
´
1.18
´
0.39
1.83
´
1.18
´
0.39
1.83
´
1.18
´
0.39
1.83
´
1.18
´
0.39
1.65
´
1.85
´
0.55
1.65
´
1.85
´
0.55
1.65
´
1.85
´
0.55
1.65
´
1.85
´
0.55
1.65
´
1.85
´
0.55
1.65
´
1.85
´
0.55
1.65
´
1.85
´
0.55
1.65
´
1.85
´
0.55
27.21
27.21
27.21
27.21
27.21
27.21
31.69
31.69
31.69
31.69
31.69
31.69
47.53
47.53
47.53
47.53
47.53
64.70
64.70
64.70
25.14
25.14
25.14
25.14
25.14
25.14
29.28
29.28
29.28
29.28
29.28
29.28
43.92
43.93
43.92
43.92
43.92
59.78
59.78
59.78
Single Output
800-1700
800-1705
800-1710
800-1715
800-1720
*Output pins can be connected in series to make a 24 V output or 30 V output.
*Output pins can be connected in series to make a 24 V output or 30 V output.
712
b
ALLIED
Products Not Cataloged Are Available Ñ Call 1-800-433-5700 For Price And Delivery

ZW1R52412 Related Products

ZW1R52412 ZS30512 ZW1R52415 ZW1R50515 ZW1R51212 ZW1R51215 ZW1R50512
Description DC-DC Regulated Power Supply Module, 2 Output, 1.44W, Hybrid, PLASTIC PACKAGE-7 Analog Circuit DC-DC Regulated Power Supply Module, 2 Output, 1.5W, Hybrid, PLASTIC PACKAGE-7 DC-DC Regulated Power Supply Module, 2 Output, 1.5W, Hybrid, PLASTIC PACKAGE-7 DC-DC Regulated Power Supply Module, 2 Output, 1.44W, Hybrid, PLASTIC PACKAGE-7 DC-DC Regulated Power Supply Module, 2 Output, 1.5W, Hybrid, PLASTIC PACKAGE-7 DC-DC Regulated Power Supply Module, 2 Output, 1.44W, Hybrid, PLASTIC PACKAGE-7
Maker Cosel Cosel Cosel Cosel Cosel Cosel Cosel
package instruction PLASTIC PACKAGE-7 , PLASTIC PACKAGE-7 PLASTIC PACKAGE-7 PLASTIC PACKAGE-7 PLASTIC PACKAGE-7 PLASTIC PACKAGE-7
Reach Compliance Code unknown unknown unknown unknown unknown unknown unknow
Parts packaging code MODULE - MODULE MODULE MODULE MODULE MODULE
Contacts 7 - 7 7 7 7 7
ECCN code EAR99 - EAR99 EAR99 EAR99 EAR99 EAR99
Other features -12V ADDITIONAL OUTPUT AVAILABLE - -15V ADDITIONAL OUTPUT AVAILABLE -15V ADDITIONAL OUTPUT AVAILABLE -12V ADDITIONAL OUTPUT AVAILABLE -15V ADDITIONAL OUTPUT AVAILABLE -12V ADDITIONAL OUTPUT AVAILABLE
Analog Integrated Circuits - Other Types DC-DC REGULATED POWER SUPPLY MODULE - DC-DC REGULATED POWER SUPPLY MODULE DC-DC REGULATED POWER SUPPLY MODULE DC-DC REGULATED POWER SUPPLY MODULE DC-DC REGULATED POWER SUPPLY MODULE DC-DC REGULATED POWER SUPPLY MODULE
Maximum input voltage 30 V - 30 V 6 V 15 V 15 V 6 V
Minimum input voltage 20 V - 20 V 4.5 V 10 V 10 V 4.5 V
Nominal input voltage 24 V - 24 V 5 V 12 V 12 V 5 V
JESD-30 code R-PXMA-P7 - R-PXMA-P7 R-PXMA-P7 R-PXMA-P7 R-PXMA-P7 R-PXMA-P7
length 33 mm - 33 mm 33 mm 33 mm 33 mm 33 mm
Number of functions 1 - 1 1 1 1 1
Output times 2 - 2 2 2 2 2
Number of terminals 7 - 7 7 7 7 7
Maximum operating temperature 50 °C - 50 °C 50 °C 50 °C 50 °C 50 °C
Maximum output voltage 12.6 V - 15.75 V 15.75 V 12.6 V 15.75 V 12.6 V
Minimum output voltage 11.4 V - 14.25 V 14.25 V 11.4 V 14.25 V 11.4 V
Nominal output voltage 12 V - 15 V 15 V 12 V 15 V 12 V
Package body material PLASTIC/EPOXY - PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY
Package shape RECTANGULAR - RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR
Package form MICROELECTRONIC ASSEMBLY - MICROELECTRONIC ASSEMBLY MICROELECTRONIC ASSEMBLY MICROELECTRONIC ASSEMBLY MICROELECTRONIC ASSEMBLY MICROELECTRONIC ASSEMBLY
Certification status Not Qualified - Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified
Maximum seat height 10.5 mm - 10.5 mm 10.5 mm 10.5 mm 10.5 mm 10.5 mm
surface mount NO - NO NO NO NO NO
technology HYBRID - HYBRID HYBRID HYBRID HYBRID HYBRID
Temperature level COMMERCIAL - COMMERCIAL COMMERCIAL COMMERCIAL COMMERCIAL COMMERCIAL
Terminal form PIN/PEG - PIN/PEG PIN/PEG PIN/PEG PIN/PEG PIN/PEG
Terminal location UNSPECIFIED - UNSPECIFIED UNSPECIFIED UNSPECIFIED UNSPECIFIED UNSPECIFIED
Maximum total power output 1.44 W - 1.5 W 1.5 W 1.44 W 1.5 W 1.44 W
Fine-tuning/adjustable output NO - NO NO NO NO NO
width 20.72 mm - 20.72 mm 20.72 mm 20.72 mm 20.72 mm 20.72 mm

Recommended Resources

Vacuum fluorescent display circuit diagram

Regulated power supply circuit diagram

Coin front and back circuit

Harmonic-free transmitter circuits for frequencies up to 200 MHZ

Remote control dimming and speed regulating receiver circuit schematic diagram

Computer motherboard circuit diagram 440GX_29

Shortcut:   00 01 02 03 04 05 06 07 08 09 0A 0C 0F 0J 0L 0M 0R 0S 0T 0Z 10 11 12 13 14 15 16 17 18 19 1A 1B 1C 1D 1E 1F 1H 1K 1M 1N 1P 1S 1T 1V 1X 1Z 20 21 22 23 24 25 26 27 28 29 2A 2B 2C 2D 2E 2F 2G 2K 2M 2N 2P 2Q 2R 2S 2T 2W 2Z 30 31 32 33 34 35 36 37 38 39 3A 3B 3C 3D 3E 3F 3G 3H 3J 3K 3L 3M 3N 3P 3R 3S 3T 3V 40 41 42 43 44 45 46 47 48 49 4A 4B 4C 4D 4M 4N 4P 4S 4T 50 51 52 53 54 55 56 57 58 59 5A 5B 5C 5E 5G 5H 5K 5M 5N 5P 5S 5T 5V 60 61 62 63 64 65 66 67 68 69 6A 6C 6E 6F 6M 6N 6P 6R 6S 6T 70 71 72 73 74 75 76 77 78 79 7A 7B 7C 7M 7N 7P 7Q 7V 7W 7X 80 81 82 83 84 85 86 87 88 89 8A 8D 8E 8L 8N 8P 8S 8T 8W 8Y 8Z 90 91 92 93 94 95 96 97 98 99 9A 9B 9C 9D 9F 9G 9H 9L 9S 9T 9W

Popular Components

  1. TX2SA-LT-5V
  2. 85106RZ1418PZ5044
  3. MS3470L14-5AYL
  4. XO-400-DFC-F-51.84MHZ
  5. OSTHB221280
  6. CC81-M8CH3B470KTP
  7. C0805Q331K2XAG7189
  8. RCA12062M940.5%100ET5E3
  9. 3.0SMCJ170C
  10. 3KP85CA_B0_10001
  11. A1502HA-4P-2058943-3
  12. A2543WVA-27P-WH-C66D45

Popular Articles

  1. Connective Peripherals series of connection products are available from element14
  2. Application of wiring harness tester in automobile wiring harness testing and layout
  3. Nikkei: Taiwan to issue new rules to restrict tech companies from selling their assets in mainland China
  4. Design of 51 single chip ultrasonic water level controller
  5. OnePlus 10 Pro is equipped with Pixelworks visual display technology
  6. How to use the inverter and adjust its parameters
  7. RISC-V is not willing to play only a supporting role
  8. Battery stack monitor solution extends electric vehicle lithium battery life
  9. New oxygen-ion battery with extremely long life is launched
  10. Alibaba Cloud CTO Zhou Jingren: Welcome everyone to use Alibaba Cloud to develop their own big models

Technical ResourceMore

  1. Switching Power Supply Loop Gain Phase Margin Measurement and Stability Analysis
  2. Analysis of various overvoltage protection components
  3. Calculation method of switching power supply power factor
  4. Active semi-AC/DC integrated circuit solutions Charger and LED lighting
  5. [Information]-JIS E4031:2012 (Amendment 1).pdf
  6. Current Continuous Three-Phase PFC
  7. The latest price list of the full range of UPS power products in 2011
  8. Comprehensive solution for switching power supply design.pdf
  9. Switching power supply transformer leakage inductance.doc
  10. Standby Power Supply Designed Using TOPSwitch-JX

EEWorld
subscription
account

EEWorld
service
account

Automotive
development
circle

About Us Customer Service Contact Information Datasheet Sitemap LatestNews
Datasheet   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
Room 1530, 15th Floor, Building B, No. 18 Zhongguancun Street, Haidian District, Beijing Telephone: (010) 82350740 Postal Code: 100190
Copyright © 2005-2024 EEWORLD.com.cn, Inc. All rights reserved 京ICP证060456号 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