Molex 39281123 Mini-fit Jr. Sil Socket 12 Pins 4.2mm Spacing

Molex
Order Code:

05-3523

Brand: Molex MPN: 39281123 EAN-13: 2050007107248
Qty Unit Price (Ex VAT)
10+ £0.722
100+ £0.707
375+ £0.701
1500+ £0.696
3000+ £0.691
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575 in stock, despatched in 4 working days

Manufactured by Molex, this Built-in SIL socket features a standard design with 12 pins and a contact spacing of 4.2 mm. The part is typically used in electronic and electrical connections where secure and reliable socket interfaces are needed. Common applications include consumer electronics and industrial equipment where compact and efficient connection solutions are required.
Type Built-in SIL socket (standard)
Number of Positions 12
Pitch 4.2mm
Number of Rows 2
Application Power, Wire-to-Board
Base unit of measure PC
Base unit of measure desc piece
Board contact surface Tin
Breakaway No
Case Material Nylon (NL)
China ro h s status Compliant per SJ/T 11365-2006
Circuits loaded 12
Circuits maximum 12
Coating thickness (PCB side) 0.889µm
Color resin Natural
Colour Ecru
Comments The 5566 header should be used with standard Mini-Fit female terminals. If increased amperage of up to 13A per circuit is needed, please consider using the Mini-Fit Plus HCS family 45750 terminals with 46015 headers; See Molex Product specification PS-5666-001 for current de-rating information.
Component type PCB Header
Connection Soldering
Connector coating thickness 0.889µm
Contact Plating Tin
Cross Section 4.2mm
Csa LR19980
Current maximum per contact 9.0A
Design registration eligibility false
Durability mating cycles max 30
Duration at max process temperature seconds 5
Elv status Not Relevant
Engineering number 5566-12A
Engineering Part No 5566-12A
Engineering Series Name MINIFIT JR HDR VERT
Engineering Series No 05566
First mate last break No
First published date 2007-06-08
Flammability 94V-2
G a d s l/ i m d s Compliant with Exemption 44
Glow wire capable No
Guide to mating part No
H f l h status Low-Halogen per IEC 61249-2-21
Keying to mating part No
Lead free process capability WAVE
Lock to mating part Yes
Material metal Brass
Material plating mating Tin
Material plating termination Tin
Material resin Nylon
Material type Finished Goods
Max cycles at max process temperature 1
Max. temperature +105°C
Min. temperature -40°C
Net weight 3.224/g
Nominal Current 9A
Nominal Voltage 600V
Orientation Perpendicular (to the PCB)
Packaging Type Bag
Pc tail length 3.50mm
Pcb locator Yes
Pcb retention No
Pcb thickness recommended 1.60mm
Pitch mating interface 4.20mm
Pitch termination interface 4.20mm
Plating min mating 0.889µm
Plating min termination 0.889µm
Polarized to mating part Yes
Polarized to pcb Yes
Primary pack qty 225
Process temperature max c 240
Product name Mini-Fit Jr.
Product number display 39281123
Product number hyphen 39-28-1123
Product number sap 0039281123
Reach status Not Contained per D(2025)7771-DC (04 Feb 2026)
Reference series 5566
Ro h s status Compliant per EU 2015/863
Sampleable True
Shrouded Fully
Stackable No
Taxonomy PCB Headers and Receptacles
Temperature range operating -40° to +105°C
Termination interface style Through Hole
Ul E29179
Upc 800753581616
Voltage maximum 600V

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