3M Round Ribbon Cable, 40-Way, 1.27mm Pitch, 30m Length

RS stock no.:: 120-9141
Distrelec Article No.:: 155-63-678
Mfr. Part No.:: 3659-40
Manufacturer:: 3M

3M Round Ribbon Cable, 40-Way, 1.27mm Pitch, 30m Length

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View all Ribbon Cable

Bulk discount available

Subtotal (1 reel of 30 metres)*

R 9 979,16

(exc. VAT)

R 11 476,03

(inc. VAT)

FREE delivery for orders over R 1,500.00

Temporarily out of stock

3 unit(s) shipping from 16 February 2026

Need more? Click ‘Check delivery dates’ to find extra stock and lead times.

Reel(s)	Per Reel	Per Metre*
1 - 4	R 9,979.16	R 332.639
5 - 9	R 9,729.68	R 324.323
10 - 49	R 9,437.79	R 314.593
50 - 99	R 9,060.28	R 302.009
100 +	R 8,697.87	R 289.929

*price indicative

RS stock no.:: 120-9141
Distrelec Article No.:: 155-63-678
Mfr. Part No.:: 3659-40
Manufacturer:: 3M

Specification

Technical data sheets

Legislation and Compliance

Product Details

Find similar products by selecting one or more attributes.

Select all	Attribute	Value
	Brand	3M
	Ribbon Cable Type	Round
	Pitch	1.27mm
	Terminated/Unterminated	Unterminated
	Number of Ways	40
	Screened/Unscreened	Screened
	American Wire Gauge	28 AWG
	Length	30m
	Width	49.5 mm
	Voltage Rating	300 V
	Sheath Colour	Black
	Number of Strands	7
	Conductor Strand Type	Stranded
	Maximum Operating Temperature	+80°C
	Minimum Operating Temperature	-20°C
	Operating Temperature Range	-20 → +80 °C
	Characteristic Impedance	106 Ω
	Size of Strands	36 AWG
	Core Strands	7/36
	Capacitance	90.88pF/m

	Select all
	Brand 3M
	Ribbon Cable Type Round
	Pitch 1.27mm
	Terminated/Unterminated Unterminated
	Number of Ways 40
	Screened/Unscreened Screened
	American Wire Gauge 28 AWG
	Length 30m
	Width 49.5 mm
	Voltage Rating 300 V
	Sheath Colour Black
	Number of Strands 7
	Conductor Strand Type Stranded
	Maximum Operating Temperature +80°C
	Minimum Operating Temperature -20°C
	Operating Temperature Range -20 → +80 °C
	Characteristic Impedance 106 Ω
	Size of Strands 36 AWG
	Core Strands 7/36
	Capacitance 90.88pF/m

COO (Country of Origin):: US

3M Ribbon Cable, 28 AWG, 90.88 pF/m - 3659-40

This round ribbon cable is designed for efficient electrical connections. With a 30m length and 49.5mm width, it features a 1.27mm pitch and stranded conductors for enhanced flexibility and signal integrity.

Features & Benefits

• Screened design reduces electromagnetic interference
• 28AWG specification supports versatile current handling
• Voltage rating of 300V for safety
• 7 stranded conductors improve flexibility
• Low capacitance of 90.88pF/m ensures efficient signal transmission

Applications

• Automation control systems
• Electronic devices requiring reliable connections
• Mechanical applications needing flexible wiring
• Robotics for secure connectivity
• Telecommunications for signal integrity

Can it handle high temperatures?

Yes, it operates efficiently within -20°C to +80°C.

Approvals

UL E 42769/20267CL2