MPN

Panasonic 120μF Surface Mount Polymer Capacitor, 6.3V dc

RS Stock No.:: 923-0156
Mfr. Part No.:: EEFSX0J121E7
Brand:: Panasonic

Panasonic 120μF Surface Mount Polymer Capacitor, 6.3V dc

Subtotal (1 reel of 3500 units)*

£2,079.00

(exc. VAT)

£2,495.50

(inc. VAT)

FREE delivery for orders over £50.00

Temporarily out of stock

Shipping from 09 July 2026

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

Units	Per unit	Per Reel*
3500 +	£0.594	£2,079.00

*price indicative

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RS Stock No.:: 923-0156
Mfr. Part No.:: EEFSX0J121E7
Brand:: Panasonic

Find similar products by selecting one or more attributes.

Select all	Attribute	Value
	Brand	Panasonic
	Technology	Polymer
	Capacitance	120µF
	Voltage	6.3V dc
	Mounting Type	Surface Mount
	Equivalent Series Resistance	7mΩ
	Lead Pitch	1.3mm
	Tolerance	±20%
	Length	7.3mm
	Depth	4.3mm
	Height	1.9mm
	Maximum Operating Temperature	+105°C
	Dimensions	7.3 x 4.3 x 1.9mm
	Series	SP-CAP SX
	Ripple Current	7A
	Lifetime	1000h
	Polarised	Polar
	Minimum Operating Temperature	-55°C
	Leakage Current	75.6 μA

	Select all
	Brand Panasonic
	Technology Polymer
	Capacitance 120µF
	Voltage 6.3V dc
	Mounting Type Surface Mount
	Equivalent Series Resistance 7mΩ
	Lead Pitch 1.3mm
	Tolerance ±20%
	Length 7.3mm
	Depth 4.3mm
	Height 1.9mm
	Maximum Operating Temperature +105°C
	Dimensions 7.3 x 4.3 x 1.9mm
	Series SP-CAP SX
	Ripple Current 7A
	Lifetime 1000h
	Polarised Polar
	Minimum Operating Temperature -55°C
	Leakage Current 75.6 μA

Panasonic SP-CAP SX Series Polymer Capacitor, 120μF Capacitance, 6.3V DC Voltage - EEFSX0J121E7

This polymer capacitor is an efficient electronic component designed for surface mount applications. With a capacitance of 120 μF and a rated voltage of 6.3V DC, it is ideal for various electronics projects. The dimensions of this component are compact, measuring 7.3 x 4.3 x 1.9mm, making it suitable for space-constrained designs.

Features & Benefits

• Low equivalent series resistance of 7 mΩ enhances performance
• Polarised design allows for precise integration in circuits
• Operating temperature range from -40 °C to +105 °C for durability
• Tolerance of ±20% ensures reliable performance across applications
• Low leakage current of 75.6 μA boosts energy efficiency
• Designed for a lifetime of 1000 hours, ensuring longevity in use

Applications

• Used in automation control systems requiring stable performance
• Integrated into consumer electronics for enhanced reliability
• Suitable for power supply circuits needing efficient energy storage
• Utilised in automotive electronics for resilient operation
• Employed in compact devices where space is a concern

What factors contribute to this component's high temperature performance?

The capacitor can operate at temperatures as high as +105 °C, which makes it suitable for environments experiencing heat fluctuations. Its polymer technology enhances its thermal characteristics, allowing it to withstand elevated temperatures without compromising reliability.

How does the low ESR affect circuit design?

A low equivalent series resistance facilitates better efficiency in energy transfer and reduces heat generation during operation, which is crucial for maintaining performance in high-frequency circuits.

What are the implications of the polarised design?

The polarised nature of this capacitor necessitates correct orientation during installation, which maximises its functional efficiency and ensures dependable operation in electronic circuits.

What maintenance considerations should be taken into account when using this capacitor?

Regular visual inspections to ensure there are no signs of leakage or physical damage are advisable. Keeping the capacitor within its specified temperature range will also help maintain optimal performance over its lifespan.

How does this component compare to traditional capacitors?

Compared to traditional capacitors, this polymer variant offers lower ESR, enhanced energy efficiency, and operates effectively across a wider temperature range, making it a preferred choice for modern electronic designs.

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