购买 BK/MDQ-3 | BK/MDQ-3数据表 | Heisener.com
联系我们
SalesDept@heisener.com +86-755-83210559 ext. 807

BK/MDQ-3

BK/MDQ-3

BK/MDQ-3

仅供参考

零件编号 BK/MDQ-3
制造商 Eaton
描述 FUSE GLASS 3A 250VAC 3AB 3AG
数据表
封装 3AB, 3AG, 1/4" x 1-1/4"
ECAD
库存 6,372 piece(s)
单价 Request a Quote
交货时间 待确认
预计送达时间 十一月 26 - 十二月 1 (选择速递服务)
请求报价
支付方式
送货服务
  • 我们提供的 BK/MDQ-3 具有全球市场竞争力的价格,如有需要请发送询价单给我们。谢谢!
  • 添加 BK/MDQ-3 及其数量至BOM以便提交您的报价请求。 Heisener.com 无需注册便可以提交 BK/MDQ-3 的报价请求。

BK/MDQ-3参数

制造商Eaton
类别电路保护 - 保险丝
封装3AB, 3AG, 1/4" x 1-1/4"
ECAD
系列MDQ
保险丝类型Cartridge, Glass
目前评级3A
额定电压 - AC250V
额定电压 - DC-
响应时间Slow
包/箱3AB, 3AG, 1/4" x 1-1/4"
安装类型Holder
断开容量@额定电压100A
Melting I2t-
认证CSA, UL
工作温度-
颜色-
尺寸/尺寸0.250" Dia x 1.250" L (6.35mm x 31.75mm)

BK/MDQ-3 Packaging

Customized Labels
Sealing
Packing
Insepction

BK/MDQ-3 FAQ

  • 1. How to order BK/MDQ-3 on Heisener?
    Currently, Heisener only provide peer-to-peer order processing. While you submit the RFQ, our professional agent will contact you with the competitive prices in the global market, and our agent will prompt you to finish the order if you accept our offers.
  • 2. How does Heisener guarantee that BK/MDQ-3 is from the original manufacturer or authorized agents?
    We have a professional and experienced quality control team to strictly verify and test the BK/MDQ-3. All suppliers must pass our qualification reviews before they can publish their products including BK/MDQ-3 on Heisener; we pay more attention to the channels and quality of BK/MDQ-3 products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
  • 3. Are the BK/MDQ-3 price and inventory displayed accurate?
    The price and inventory of BK/MDQ-3 fluctuates frequently and cannot be updated in time, it will be updated periodically within 24 hours. And, our quotation usually expires after 5 days.
  • 4. What forms of payment are accepted?
    Wire Transfer, PayPal, Alipay, Wechat, Credit Card, Western Union, MoneyGram, and Escrow are all acceptable.
    Warm Tips: Some orders in certain payment forms may require handling fee.
  • 5. How is the shipping arranged?
    Customers can choose industry-leading freight companies, including DHL, UPS, FedEx, TNT, and Registered Mail. Shipping insurance is also available.
    Once your order has been processed for shipment, our salesperson will send you an email advising you of the shipping status and tracking number.
    Warm Tips: It may take up to 24 hours for the carriers to display tracking information. Usually, express delivery takes 3-5 days, and registered mail takes 25-60 days.
  • 6. What is the process for return or replacement of BK/MDQ-3?
    All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment. If there is something wrong with the BK/MDQ-3 we delivered, we will accept the replacement or return of the BK/MDQ-3 only when all of the below conditions are fulfilled:
    (1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.
    (2)We are informed of the defect described above within 90 days after the delivery of BK/MDQ-3.
    (3)The PartNo is unused and only in the original unpacked packaging.
    Two processes to return the products:
    (1)Inform us within 90 days
    (2)Obtain Requesting Return Authorizations
  • 7.How to contact us to get technical supports, such as BK/MDQ-3 pin diagram, BK/MDQ-3 datasheet?
    If you need any after-sales service, please do not hesitate to contact us.

BK/MDQ-3相关产品

GRM0336S1E6R6DD01D GRM0336S1E6R6DD01D Murata, CAP CER 6.6PF 25V S2H 0201, 0201 (0603 Metric), MDQ 查看
XC5VLX110-1FFG1153CES XC5VLX110-1FFG1153CES Xilinx Inc., IC FPGA 800 I/O 1153FCBGA, 1153-BBGA, FCBGA, MDQ 查看
CRCW120630K1FKEA CRCW120630K1FKEA Vishay Dale, RES SMD 30.1K OHM 1% 1/4W 1206, 1206 (3216 Metric), MDQ 查看
LQW15AN5N4C8ZD LQW15AN5N4C8ZD Murata, FIXED IND 5.4NH 1.77A 40 MOHM, Nonstandard, MDQ 查看
801-43-035-62-001000 801-43-035-62-001000 Mill-Max Manufacturing Corp., CONN SOCKET 35PIN .100 L.143, -, MDQ 查看
98424-G52-40A 98424-G52-40A Amphenol FCI, MINITEK SHROUDED HDR VERT, -, MDQ 查看
TSW-118-08-S-D TSW-118-08-S-D Samtec Inc., CONN HEADER 36POS .100" DL GOLD, -, MDQ 查看
9-146280-0-34 9-146280-0-34 TE Connectivity AMP Connectors, CONN HEADR BRKWAY .100 34POS STR, -, MDQ 查看
SNLM-P-S25-25S-BK SNLM-P-S25-25S-BK ITT Cannon, LLC, CONN STR PLUG SET SCRW PIN BLK, -, MDQ 查看
TVS07RF-13-8JC TVS07RF-13-8JC Amphenol Aerospace Operations, CONN RCPT FMALE 8POS GOLD CRIMP, -, MDQ 查看
MB85RS128TYPNF-GS-BCERE1 MB85RS128TYPNF-GS-BCERE1 Fujitsu Electronics America, Inc., IC FRAM 128K SPI 33MHZ 8SOP, 8-SOIC (0.154", 3.90mm Width), MDQ 查看
hotEPM7128EQC160-7 EPM7128EQC160-7 Intel, IC CPLD 128MC 7.5NS 160QFP, 160-BQFP, MDQ 查看

BK/MDQ-3 保证

Service Guarantee

服务保证

我们保证100%的客户满意度。

我们经验丰富的销售团队和技术支持团队支持我们的服务以满足所有客户。

Quality Guarantee

质量保证

我们提供90天保修。

如果您收到的物品质量不合格,我们将负责您的退款或更换,但物品必须以原始状态退回。

全球供应链-可靠的授权分销商资源

零件编号 制造商 描述 库存

BK/MDQ-3/10

D# V36:1790_14216668

Eaton Corporation

Fuse Miniature Slow Blow Acting 0.3A 250V Holder Cartridge 6.3 X 32mm Glass Carton CE/CSA/UL

RoHS: Not Compliant
0

BK/MDQ-3/8

D# V36:1790_14216677

Eaton Corporation

Fuse Miniature Slow Blow Acting 0.375A 250V Holder Cartridge 6.3 X 32mm Glass Carton CE/CSA/UL

RoHS: Not Compliant
0

BK-MDQ-3

D# V36:1790_15898034

Eaton Corporation

Fuse Miniature Slow Blow Acting 3A 250V Holder Cartridge 6.3 X 32mm Glass Carton CE/CSA/UL

RoHS: Not Compliant
0

BK/MDQ-3

D# V36:1790_14216663

Eaton Corporation

Fuse Miniature Slow Blow Acting 3A 250V Holder Cartridge 6.3 X 32mm Glass Carton CE/CSA/UL

RoHS: Not Compliant
0
零件编号 制造商 描述 库存

BK/MDQ-3/4

D# BK-MDQ-3-4

Eaton Corporation

Fuse Miniature 0.75A 250V Slow Blow 2-Pin Cartridge Holder Cardboard Carton - Bulk (Alt: BK-MDQ-3-4)

RoHS: Not Compliant
0

BK/MDQ-3/10

D# BK-MDQ-3-10

Eaton Corporation

Fuse Miniature 0.3A 250V Slow Blow 2-Pin Cartridge Holder Cardboard Carton - Bulk (Alt: BK-MDQ-3-10)

RoHS: Not Compliant
0

BK/MDQ-3/16

D# BK-MDQ-3-16

Eaton Corporation

Fuse Miniature 0.188A 250V Slow Blow 2-Pin Cartridge Holder Cardboard Carton - Bulk (Alt: BK-MDQ-3-16)

RoHS: Not Compliant
0

BK/MDQ-3-2/10

D# BK-MDQ-3-2-10

Eaton Corporation

Fuse Miniature 3.2A 250V Slow Blow 2-Pin Cartridge Holder Cardboard Carton - Bulk (Alt: BK-MDQ-3-2-10)

RoHS: Not Compliant
0

BK/MDQ-3-1/2

D# BK-MDQ-3-1-2

Eaton Corporation

BUSS SMALL DIMENSION FUSE - Bulk (Alt: BK-MDQ-3-1-2)

RoHS: Not Compliant
0

BK/MDQ-3/8

D# BK-MDQ-3-8

Eaton Corporation

Fuse Miniature 0.375A 250V Slow Blow 2-Pin Cartridge Holder Cardboard Carton - Bulk (Alt: BK-MDQ-3-8)

RoHS: Not Compliant
0

BK-MDQ-3

D# BK-MDQ-3

Eaton Corporation

Fuse Miniature 3A 250V Slow Blow 2-Pin Cartridge Holder Cardboard Carton - Bulk (Alt: BK-MDQ-3)

RoHS: Not Compliant
0
零件编号 制造商 描述 库存

BK/MDQ-3-1/2

D# BK-MDQ-3-1-2

Eaton Corporation

BUSS SMALL DIMENSION FUSE (Alt: BK-MDQ-3-1-2)

0

BK/MDQ-3/4

D# BK-MDQ-3-4

Eaton Corporation

Fuse Miniature 0.75A 250V Slow Blow 2-Pin Cartridge Holder Cardboard Carton (Alt: BK-MDQ-3-4)

0

BK/MDQ-3/10

D# BK-MDQ-3-10

Eaton Corporation

Fuse Miniature 0.3A 250V Slow Blow 2-Pin Cartridge Holder Cardboard Carton (Alt: BK-MDQ-3-10)

0

BK-MDQ-3

D# BK-MDQ-3

Eaton Corporation

Fuse Miniature 3A 250V Slow Blow 2-Pin Cartridge Holder Cardboard Carton (Alt: BK-MDQ-3)

0

BK/MDQ-3-2/10

D# BK-MDQ-3-2-10

Eaton Corporation

Fuse Miniature 3.2A 250V Slow Blow 2-Pin Cartridge Holder Cardboard Carton (Alt: BK-MDQ-3-2-10)

0

BK/MDQ-3/16

D# BK-MDQ-3-16

Eaton Corporation

Fuse Miniature 0.188A 250V Slow Blow 2-Pin Cartridge Holder Cardboard Carton (Alt: BK-MDQ-3-16)

0

BK/MDQ-3/8

D# BK-MDQ-3-8

Eaton Corporation

Fuse Miniature 0.375A 250V Slow Blow 2-Pin Cartridge Holder Cardboard Carton (Alt: BK-MDQ-3-8)

0
零件编号 制造商 描述 库存

BK/MDQ-3/4

Eaton Bussmann

FUSE 0.75A 250V TIME DLY ACTING 2PIN - Bulk

0

BK/MDQ-3/10

Eaton Bussmann

33

BK/MDQ-3/8

Eaton Bussmann

FUSE 0.375A 250V TIME DLY ACTING 2PIN - Bulk

0

BK/MDQ-3

Eaton Bussmann

Lead time 21

3858

BK/MDQ-3-2/10

Eaton Bussmann

165

BK-MDQ-3-16

Eaton Bussmann

FUSE 0.188A 250V TIME DLY ACTING 2PIN - Bulk

0

BK-MDQ-3

Eaton Bussmann

783

BK-MDQ-3-8

Eaton Bussmann

FUSE 0.375A 250V TIME DLY ACTING 2PIN - Bulk

0

BK/MDQ-3/16

Eaton Bussmann

FUSE 0.188A 250V TIME DLY ACTING 2PIN - Bulk

0

BK-MDQ-3-1-2

Eaton Bussmann

783

BK-MDQ-3-2-10

Eaton Bussmann

165

BK-MDQ-3-4

Eaton Bussmann

FUSE 0.75A 250V TIME DLY ACTING 2PIN - Bulk

0

BK-MDQ-3-10

Eaton Bussmann

33
零件编号 制造商 描述 库存

BK/MDQ-3/8

D# 283-2211-ND

Eaton Bussmann

FUSE GLASS 375MA 250VAC 3AB 3AG

0

BK/MDQ-3/4

D# 283-2215-ND

Eaton Bussmann

FUSE GLASS 750MA 250VAC 3AB 3AG

0

BK/MDQ-3/10

D# 283-2210-ND

Eaton Bussmann

FUSE GLASS 300MA 250VAC 3AB 3AG

0

BK/MDQ-3/16

D# 283-2208-ND

Eaton Bussmann

FUSE GLASS 187MA 250VAC 3AB 3AG

0

BK/MDQ-3

D# 283-2227-ND

Eaton Bussmann

FUSE GLASS 3A 250VAC 3AB 3AG

659

BK/MDQ-3-2/10

D# 283-2228-ND

Eaton Bussmann

FUSE GLASS 3.2A 250VAC 3AB 3AG

994

BK/MDQ-3-1/2

D# BK/MDQ-3-1/2-ND

Eaton Bussmann

FUSE GLASS SMALL DIM 3AB 3AG

0
零件编号 制造商 描述 库存

BK/MDQ-3

D# 2799813

Eaton Bussmann

CARTRIDGE FUSE, TIME DELAY, 3A, 250V

RoHS: Not Compliant
Min Qty: 1
Container: Each
25
零件编号 制造商 描述 库存

BK/MDQ-3-2/10

Eaton Bussmann

Fuse Miniature Slow Blow Acting 3.2A 250V Holder Cartridge 6.3 X 32mm Glass

RoHS: Not Compliant
130

BK/MDQ-3-1/2

Eaton Bussmann

Fuse Miniature Slow Blow Acting 3.5A 250V Holder Cartridge 6.3 X 32mm Glass

RoHS: Not Compliant
144

BK/MDQ-3/8

Eaton Bussmann

Fuse Miniature Slow Blow Acting 0.375A 250V Holder Cartridge 6.3 X 32mm Glass Carton CSA/UL

RoHS: Not Compliant
677

BK-MDQ-3

Eaton Bussmann

RoHS: Not Compliant
198

BK/MDQ-3/4

Eaton Bussmann

Fuse Miniature Slow Blow Acting 0.75A 250V Holder Cartridge 6.3 X 32mm Glass

RoHS: Not Compliant
179

BK/MDQ-3/10

Eaton Bussmann

Fuse Miniature Slow Blow Acting 0.3A 250V Holder Cartridge 6.3 X 32mm Glass

RoHS: Not Compliant
32

BK/MDQ-3/16

Eaton Bussmann

Fuse Miniature Slow Blow Acting 0.188A 250V Holder Cartridge 6.3 X 32mm Glass

RoHS: Not Compliant
1

BK/MDQ-3

Eaton Bussmann

Fuse Miniature Slow Blow Acting 3A 250V Holder Cartridge 6.3 X 32mm Glass

RoHS: Not Compliant
3197
零件编号 制造商 描述 库存

BK/MDQ-3

D# 504-BK-MDQ-3

Eaton Corporation

Cartridge Fuses SMALL DIMENSION FUSE

RoHS: Not Compliant
430
零件编号 制造商 描述 库存

BK/MDQ-3-8

D# 91B1120

Eaton Bussmann

BUSS SMALL DIMENSION FUSE / Bulk RoHS Compliant: No

RoHS: Not Compliant
Min Qty: 100
Container: Bulk
0

BK/MDQ-3/4

D# 99M5043

Eaton Bussmann

BUSS SMALL DIMENSION FUSE / Bulk

RoHS: Not Compliant
Min Qty: 100
Container: Bulk
0

BK/MDQ-3

D# 99M5038

Eaton Bussmann

CARTRIDGE FUSE, TIME DELAY, 3A, 250V, Blow Characteristic:Time Delay, Fuse Current:3A, Voltage Rating VAC:250V, Fuse Size Metric:6.3mm x 32mm, Fuse Size Imperial:1/4" x 1-1/4", Product Range:MDQ Series, Cartridge Fuse Material:Glass RoHS Compliant: No

RoHS: Not Compliant
Min Qty: 100
Container: Bulk
25

BK/MDQ-3/10

D# 99M5041

Eaton Bussmann

BUSS SMALL DIMENSION FUSE / Bulk

RoHS: Not Compliant
Min Qty: 100
Container: Bulk
0

BK/MDQ-3/16

D# 99M5042

Eaton Bussmann

BUSS SMALL DIMENSION FUSE / Bulk

RoHS: Not Compliant
Min Qty: 100
Container: Bulk
0

BK/MDQ-3-2/10

D# 99M5040

Eaton Bussmann

BUSS SMALL DIMENSION FUSE / Bulk

RoHS: Not Compliant
Min Qty: 100
Container: Bulk
0

BK/MDQ-3-1/2

D# 99M5039

Eaton Bussmann

BUSS SMALL DIMENSION FUSE / Bulk

RoHS: Not Compliant
Min Qty: 100
Container: Bulk
0
零件编号 制造商 描述 库存

BK/MDQ-3/10

D# NS-BK/MDQ-3/10

Eaton Bussmann

OEM/CM ONLY

6665

BK/MDQ-3-2/10

D# NS-BK/MDQ-3-2/10

Eaton Bussmann

OEM/CM ONLY

7999

BK/MDQ-3/16

D# NS-BK/MDQ-3/16

Eaton Bussmann

OEM/CM ONLY

9154

BK/MDQ-3/8

D# NS-BK/MDQ-3/8

Eaton Bussmann

OEM/CM ONLY

5920

BK/MDQ-3

D# NS-BK/MDQ-3

Eaton Bussmann

OEM/CM ONLY

7074

BK/MDQ-3/4

D# NS-BK/MDQ-3/4

Eaton Bussmann

OEM/CM ONLY

7082
零件编号 制造商 描述 库存

BK-MDQ-3

Eaton Bussmann

RoHS: Not Compliant
198

BK/MDQ-3/4

Eaton Bussmann

Fuse Miniature Slow Blow Acting 0.75A 250V Holder Cartridge 6.3 X 32mm Glass

RoHS: Not Compliant
179

BK/MDQ-3/10

Eaton Bussmann

Fuse Miniature Slow Blow Acting 0.3A 250V Holder Cartridge 6.3 X 32mm Glass

RoHS: Not Compliant
32

BK/MDQ-3

Eaton Bussmann

Fuse Miniature Slow Blow Acting 3A 250V Holder Cartridge 6.3 X 32mm Glass

RoHS: Not Compliant
3197

BK/MDQ-3/16

Eaton Bussmann

Fuse Miniature Slow Blow Acting 0.188A 250V Holder Cartridge 6.3 X 32mm Glass

RoHS: Not Compliant
1

BK/MDQ-3-2/10

Eaton Bussmann

Fuse Miniature Slow Blow Acting 3.2A 250V Holder Cartridge 6.3 X 32mm Glass

RoHS: Not Compliant
130

BK/MDQ-3-1/2

Eaton Bussmann

Fuse Miniature Slow Blow Acting 3.5A 250V Holder Cartridge 6.3 X 32mm Glass

RoHS: Not Compliant
144

BK/MDQ-3/8

Eaton Bussmann

Fuse Miniature Slow Blow Acting 0.375A 250V Holder Cartridge 6.3 X 32mm Glass Carton CSA/UL

RoHS: Not Compliant
677
零件编号 制造商 描述 库存

BK/MDQ-3

Eaton Bussmann

12
零件编号 制造商 描述 库存

BK/MDQ-3/16

D# BK_MDQ-3_16

Eaton Bussmann

0

BK/MDQ-3/4

D# BK_MDQ-3_4

Eaton Bussmann

0

BK/MDQ-3

D# BK_MDQ-3

Eaton Bussmann

0

BK/MDQ-3-2/10

D# BK_MDQ-3-2_10

Eaton Bussmann

0

BK/MDQ-3/8

D# BK_MDQ-3_8

Eaton Bussmann

0

BK/MDQ-3/10

D# BK_MDQ-3_10

Eaton Bussmann

0
零件编号 制造商 描述 库存

BK/MDQ-3/10

D# 000000000003490822

Eaton Bussmann

Cartridge Fuses SMALL DIMENSION FUSE

0

BK/MDQ-3-2/10

D# 000000000003490821

Eaton Bussmann

Cartridge Fuses SMALL DIMENSION FUSE

0

BK/MDQ-3-1/2

D# 000000000003490820

Eaton Bussmann

Cartridge Fuses SMALL DIMENSION FUSE

0

BK/MDQ-3/16

D# 000000000003490823

Eaton Bussmann

Cartridge Fuses SMALL DIMENSION FUSE

0

BK/MDQ-3

D# 000000000000014508

Eaton Bussmann

Cartridge Fuses SMALL DIMENSION FUSE

0

BK/MDQ-3/8

D# 000000000003490825

Eaton Bussmann

Cartridge Fuses SMALL DIMENSION FUSE

0

BK/MDQ-3/4

D# 000000000003490824

Eaton Bussmann

Cartridge Fuses SMALL DIMENSION FUSE

0
零件编号 制造商 描述 库存

BK/MDQ3/8

Eaton Bussmann

OEM/CM ONLY

769

BKMDQ3

Eaton Bussmann

OEM/CM ONLY

229

BK/MDQ31/2

Eaton Bussmann

OEM/CM ONLY

218

BKMDQ3210

Eaton Bussmann

OEM/CM ONLY

2085
零件编号 制造商 描述 库存

BK/MDQ-3

Eaton Corporation

Cartridge Fuses SMALL DIMENSION FUSE

0

BK-MDQ-3

Eaton Corporation

Cartridge Fuses SMALL DIMENSION FUSE

0
零件编号 制造商 描述 库存

BK/MDQ-3-1/2

D# 51561906

Eaton Bussmann

BK/MDQ-3-1/2

0

BK/MDQ-3/8

D# 51559471

Eaton Bussmann

Fuse Miniature Slow Blow Acting 0.375A 250V Holder Cartridge 6.3 X 32mm Glass Carton CE/CSA/UL

0

BK-MDQ-3

D# 31035020

Eaton Bussmann

Fuse Miniature Slow Blow Acting 3A 250V Holder Cartridge 6.3 X 32mm Glass Carton CE/CSA/UL

RoHS: Not Compliant
0
零件编号 制造商 描述 库存

BK/MDQ-3

D# 2799813

Eaton Bussmann

CARTRIDGE FUSE, TIME DELAY, 3A, 250V

RoHS: Not Compliant
Min Qty: 1
Container: Each
25

Quick Inquiry

BK/MDQ-3

质量认证

黑森尔对质量的承诺,塑造了我们的采购、测试、运输流程以及它们之间的每一步。这个基准是我们所销售的每一个元器件的基础。

广东省“守合同重信用”企业ISO9001:2015, ICAS, IAF, UKAS

查看证书

联系我们

您有关于 BK/MDQ-3 的问题吗?

BK-MDQ-3 QRCode

扫描以查看此页面

推荐产品

CDBHD1100L-G

DIODE SCHOTTKY 1A 100V TO-269AA

ATTINY841-SSU

IC MCU 8BIT 8KB FLASH 14SOIC

LTC2870IFE#PBF

IC TXRX RS232/485/422 MULTIPRTCL

PCA8574AD,518

IC I/O EXPANDER I2C 8B 16SOIC

HCTI-10-20.0

FIXED IND 10UH 20A 5 MOHM TH

67997-210HLF

CONN HEADER 10POS .100 STR 15AU

S25FL064LABMFI010

IC FLASH NOR 8SOIC

ATMEGA8515-16AU

IC MCU 8BIT 8KB FLASH 44TQFP

XC18V04PCG44C

IC PROM REPROGR 4MB 44-PLCC

IRLML9301TRPBF

MOSFET P-CH 30V 3.6A SOT-23-3

更多 »

BK/MDQ-3 Tags

  • BK/MDQ-3
  • BK/MDQ-3 PDF
  • BK/MDQ-3 数据表
  • BK/MDQ-3 规格
  • BK/MDQ-3 图片
  • Eaton
  • Eaton BK/MDQ-3
  • 买 BK/MDQ-3
  • BK/MDQ-3 价格
  • BK/MDQ-3 经销商
  • BK/MDQ-3 供应商
  • BK/MDQ-3 批发

BK/MDQ-3可用于