ECU-S2A182JCB Equivalent & Substitute Parts

Part Overview

The ECU-S2A182JCB is a 1800 pF ceramic capacitor rated at 100V with C0G/NP0 temperature coefficient, manufactured by Panasonic Electronic Components in radial through-hole configuration. This part is classified as obsolete, necessitating identification of equivalent alternatives for ongoing production and maintenance applications. Substitute parts must maintain identical electrical specifications while meeting current manufacturing and compliance standards.

Key Parameters

Parameter	Value
Capacitance	1800 pF
Tolerance	±5%
Voltage Rating	100V
Temperature Coefficient	C0G, NP0
Operating Temperature Range	-55°C ~ 125°C
Mounting Type	Through Hole
Package Type	Radial
Lead Spacing	0.197" (5.00mm)

Substitute Part Grouping Explanation

Substitute parts for the ECU-S2A182JCB are classified based on electrical parameter compatibility. The primary substitution criteria are:

Capacitance value: 1800 pF (exact match required)
Tolerance: ±5% (exact match required)
Temperature coefficient: C0G/NP0 (exact match required)
Operating temperature range: -55°C ~ 125°C (exact match required)
Mounting type: Through Hole (exact match required)
Package type: Radial (exact match required)
Lead spacing: 0.197" (5.00mm) (exact match required)

Voltage rating may exceed the original 100V specification, as higher-rated components are electrically compatible in lower-voltage applications. Physical dimensions may vary within the radial package category while maintaining the specified lead spacing and mounting compatibility.

Parameter Comparison

Part Number	Manufacturer	Capacitance	Tolerance	Voltage Rating	Temperature Coefficient	Operating Temperature	Mounting Type	Package	Lead Spacing	Product Status	RoHS Status
ECU-S2A182JCB	Panasonic	1800 pF	±5%	100V	C0G, NP0	-55°C ~ 125°C	Through Hole	Radial	0.197" (5.00mm)	Obsolete	RoHS non-compliant
FK24C0G2A182JN000	TDK Corporation	1800 pF	±5%	100V	C0G, NP0	-55°C ~ 125°C	Through Hole	Radial	0.197" (5.00mm)	Not For New Designs	ROHS3 Compliant
FG24C0G2W182JNT00	TDK Corporation	1800 pF	±5%	450V	C0G, NP0	-55°C ~ 125°C	Through Hole	Radial	0.197" (5.00mm)	Active	ROHS3 Compliant
K182J20C0GH53H5	Vishay Beyschlag/Draloric/BC Components	1800 pF	±5%	100V	C0G, NP0	-55°C ~ 125°C	Through Hole	Radial	0.197" (5.00mm)	Active	ROHS3 Compliant
K182J20C0GK53H5	Vishay Beyschlag/Draloric/BC Components	1800 pF	±5%	200V	C0G, NP0	-55°C ~ 125°C	Through Hole	Radial	0.197" (5.00mm)	Active	ROHS3 Compliant
K182J20C0GL53H5	Vishay Beyschlag/Draloric/BC Components	1800 pF	±5%	500V	C0G, NP0	-55°C ~ 125°C	Through Hole	Radial	0.197" (5.00mm)	Active	ROHS3 Compliant

Engineering Selection Recommendations

For applications requiring direct replacement of the ECU-S2A182JCB, the following selection criteria apply:

Exact Electrical Match (100V Rating): FK24C0G2A182JN000 (TDK) and K182J20C0GH53H5 (Vishay) provide identical electrical specifications. Both are ROHS3 compliant. FK24C0G2A182JN000 carries "Not For New Designs" status, while K182J20C0GH53H5 is active production.

Higher Voltage Ratings: FG24C0G2W182JNT00 (450V), K182J20C0GK53H5 (200V), and K182J20C0GL53H5 (500V) are electrically compatible for 100V applications. All three are active production and ROHS3 compliant. Higher voltage ratings provide design margin in applications where voltage stress is a consideration.

Compliance Consideration: All substitute parts listed are ROHS3 compliant, addressing the RoHS non-compliance status of the original ECU-S2A182JCB.

Frequently Asked Questions (FAQ)

Q: Can I use a substitute part with a higher voltage rating than the original 100V specification?

A: Yes. A ceramic capacitor rated for higher voltage is electrically compatible in applications requiring lower voltage. The 450V, 200V, and 500V rated alternatives function correctly in 100V circuits.

Q: Are there physical dimension differences between substitute parts?

A: Yes. While all parts maintain the required 0.197" (5.00mm) lead spacing for through-hole mounting, physical body dimensions vary. FK24C0G2A182JN000 measures 0.217" L x 0.177" W, FG24C0G2W182JNT00 measures 0.177" L x 0.118" W, and Vishay K-series parts measure 0.197" L x 0.126" W. Verify PCB layout clearance before substitution.

Q: What is the difference between "Not For New Designs" and "Active" product status?

A: "Not For New Designs" indicates the manufacturer is phasing out the part but may continue limited production. "Active" indicates current production with full manufacturer support. For new designs, select parts with Active status.

Q: Are all substitute parts RoHS compliant?

A: Yes. All listed substitute parts are ROHS3 compliant, addressing the RoHS non-compliance of the original ECU-S2A182JCB.

Q: Which substitute provides the closest physical match to the original part?

A: K182J20C0GH53H5 (Vishay) matches the original lead spacing and maintains similar physical proportions while being active production and ROHS3 compliant.

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