51103-1200

2.50mm Pitch Wire-to-Wire and Wire-to-Board Housing, Positive Lock, 12 Circuits, Natural

Part Aliases: Molex 0511031200  
Enhance your connectivity with our Mini-Lock connector, featuring a natural color and 12 contacts for seamless signal transmission. Crafted with durable polyester housing, this receptacle ensures reliable performance in various applications. With a 2.5mm pitch and operating temperature range of -40 to 105°C, it guarantees versatility and stability. Certified for both CSA and UL standards, this connector offers peace of mind in terms of quality and safety. Whether for wire-to-wire or wire-to-board connections, its compact design and RoHS compliance make it a practical choice for your electronic projects. Upgrade your setup with this essential component for efficient and secure data transfer.
AVAILABILITY
Immediate Shipment:NA
Stock Location:In Stock
Factory Stock:Call for Stock
Factory Lead:
Unit Of Measure:
Minimum/Multiple:1/1
Pricing
CALL:800.400.7041
Product Category:
Manufacturer:Molex
Manufacturer Part Number:Molex 51103-1200
Color:Natural
Series:51103 - Mini-Lock
Connector Type:Mini-Lock
Gender:Receptacle
Housing Material:Polyester
Number of Contacts:12
Number of Rows:1
Pitch:2.5 mm
Material:Polyester
Keying:No
Packaging:Bag
Operating Temperature Range:-40 - 105 °C
Circuit Application:Signal
Connector System:Wire to Board, Wire to Wire
CSA Agency Certification:LR19980
UL Agency Certification:E29179
Glow Wire Capable:No
Stackable:No
Material Flammability Standard:94V-0
Part Aliases:0511031200
SKU:MOL51103-1200

Environmental Initiative Details

Environmental Initiative:RoHS
Compliant:Unknown
Date of this Information:Unknown
Notes:

Product Change Notice

Effective DateDescription of ChangeDownload
10/31/2025515981 - Obsolete no replacement.
LTB 6/25/25
LTS 9/25/25
Product Change Notice Download
10/30/2025515990 - Obsolete some with direct replacement & some with differences.
LTB 6/25/25
LTS 9/25/25
Product Change Notice Download
08/31/2021510250 - Equipment Transfer, Production Transfer or Rearrangement. transfer from Molex Gwangju plate in Korea to Ansan plant in Korea due to Gwangju plant closure . molex has decided to consolidate its Ansan and Gwangju plants into a single integrated site in Ansan Plant.Product Change Notice Download
10/15/2019507130 - Equipment Transfer, Production Transfer or Rearrangement. This letter is to inform you that production of the part(s) identified in this notice is being moved to a different production location. No changes will be made to the product as a result of this move.Product Change Notice Download
02/01/2016GCM 10728471 - Tooling / Equipment Transfer. The purpose of this letter is to inform you that 511030600, 511030800, 511030900, 511031000, 511031200, 50375023, 351550300 and 355070400 will be transferred from Molex Korea Ansan plant to Molex Korea Gwangju plant to build a more efficient production and solve capability flexibility of Ansan plant. These products are not affected by transferring of manufacturing site due to no risk as the same tool and material spec. will be used in Gwangju plant. The mass production start date at Gwangju plant is scheduled on February 1 of 2016. Implementation Date may be changed due to customer demand and production situation.Product Change Notice Download
04/12/2015GCM 10680930 - Tooling / Equipment Transfer.Product Change Notice Download