51103-0300

2.50mm Pitch Wire-to-Wire and Wire-to-Board Housing, Positive Lock, 3 Circuits, Natural

Part Aliases: Molex 0511030300  
51103-0300. This Mini-Lock connector features a compact design with a pitch of 2.5mm, ideal for signal circuit applications. Constructed with durable polyester housing material, it offers reliable performance in a wide operating temperature range from -40 to 105°C. With 3 contacts in a single row, this receptacle is RoHS compliant, making it a sustainable choice for your connectivity needs. Whether for wire-to-wire or wire-to-board connections, this Mini-Lock connector ensures secure and efficient contact, with its natural color and stackable design, A glow-wire capable. Its part aliases are 511030300, and it falls under the hi_rel category.
AVAILABILITY
Immediate Shipment:NA
Stock Location:In Stock
Factory Stock:Call for Stock
Factory Lead:
Unit Of Measure:
Minimum/Multiple:1/1
Pricing
CALL: 800.422.3911
Invalid quantity value
Product Category:
Manufacturer:Molex
Manufacturer Part Number:Molex 51103-0300
Color:Natural
Series:51103 - Mini-Lock
Connector Type:Mini-Lock
Gender:Receptacle
Housing Material:Polyester
Number of Contacts:3
Number of Rows:1
Pitch:2.5 mm
Material:Polyester
Keying:No
Operating Temperature Range:-40 - 105 °C
Circuit Application:Signal
Connector System:Wire to Board, Wire to Wire
Glow Wire Capable:No
Stackable:No
Material Flammability Standard:94V-0
Part Aliases:0511030300
SKU:MOL51103-0300

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
Download
10/30/2025515990 - Obsolete some with direct replacement & some with differences.
LTB 6/25/25
LTS 9/25/25
Download