ECH-S1822JZ Film Capacitor Equivalent & Substitute Parts

Part Overview

The ECH-S1822JZ is an 8200 pF film capacitor manufactured by Panasonic Electronic Components, rated for 100V DC operation with ±5% tolerance. This component features a Polyphenylene Sulfide (PPS) dielectric material in a radial through-hole configuration, designed for high-frequency and switching applications. The product is classified as obsolete, making identification of suitable substitute components essential for ongoing system maintenance and new design implementations where legacy specifications must be maintained.

Substiute Parts

ECH-S1822JZ

Panasonic Electronic ComponentsIn Stock: 1162ECH-S1822JZ Datasheet

Current PartRFQ

185822J100RAA-F

Cornell Dubilier Electronics (CDE)In Stock: 966185822J100RAA-F Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the ECH-S1822JZ is determined by the following critical parameters:

• Capacitance Value: 8200 pF (exact match required)
• Tolerance: ±5% (maintains circuit performance specifications)
• Voltage Rating: 100V DC minimum (ensures safe operation margin)
• Mounting Configuration: Through-hole radial (mechanical compatibility with PCB layout)
• Lead Spacing: 7.50 mm nominal (physical fit on existing PCB designs)
• Termination Type: PC Pins (soldering compatibility)

The substitute part 185822J100RAA-F meets these core substitution criteria. While the dielectric material differs (Polyester, Metallized versus PPS), both materials satisfy the electrical performance requirements for the specified application parameters. The substitute maintains equivalent capacitance, tolerance, voltage rating, and through-hole radial configuration necessary for direct replacement.

Parameter Comparison

Engineering Selection Recommendations

The 185822J100RAA-F from Cornell Dubilier Electronics qualifies as a functional substitute for the obsolete ECH-S1822JZ based on matching capacitance, tolerance, and DC voltage rating specifications. The substitute maintains through-hole radial configuration with PC pin termination, ensuring compatibility with existing PCB designs.

The substitute part carries active product status and ROHS3 compliance certification, providing advantages for new production and long-term supply chain stability compared to the obsolete original component. The extended lower operating temperature limit (-55°C versus -40°C) provides additional thermal margin in applications requiring cold-temperature operation.

Physical dimension differences exist: the substitute is more compact (7.20 mm × 2.50 mm versus 12.00 mm × 4.50 mm) with reduced lead spacing (5.00 mm versus 7.50 mm). PCB layout verification is required to confirm mechanical fit within existing hole patterns and trace routing. The smaller footprint may provide layout advantages in space-constrained applications.

Frequently Asked Questions (FAQ)

Q: Can the 185822J100RAA-F directly replace the ECH-S1822JZ without circuit modification?

A: Electrical substitution is valid based on matching capacitance (8200 pF), tolerance (±5%), and DC voltage rating (100V). Physical fit requires verification due to different lead spacing (5.00 mm substitute versus 7.50 mm original) and package dimensions. PCB hole pattern compatibility must be confirmed before installation.

Q: What is the significance of the different dielectric materials (PPS versus Polyester, Metallized)?

A: Both dielectric materials meet the specified electrical performance requirements for this application. Polyester, Metallized construction in the substitute provides equivalent capacitance stability and voltage handling within the stated operating temperature range (-55°C to 125°C).

Q: Does the smaller physical size of the substitute affect performance?

A: Physical size reduction does not impact electrical performance when capacitance, tolerance, and voltage rating specifications are maintained. The compact footprint of the 185822J100RAA-F may provide layout advantages but requires PCB design verification for hole spacing compatibility.

Q: Is the ROHS3 compliance of the substitute part significant?

A: ROHS3 compliance indicates the substitute meets current environmental and material restriction standards applicable to electronic components. This certification supports regulatory compliance for new production and long-term supply chain continuity compared to the obsolete original component.

Q: What packaging format is the substitute available in?

A: The 185822J100RAA-F is supplied in Tape & Reel (TR) format, standard for automated assembly processes. This packaging format differs from the original component but is compatible with modern manufacturing workflows.