GYC20000 Equivalent & Substitute Parts Reference

Part Overview

The GYC20000 is a 3–20pF trimmer capacitor rated for 100V operation with top and bottom adjustment capability, designed for through-hole mounting in general-purpose applications. The component utilizes polypropylene dielectric material and operates across the temperature range of –40°C to 70°C. This part is classified as obsolete, making identification of functionally equivalent alternatives essential for circuit redesign, repair, and production continuity in legacy systems.

Key Parameters

Parameter	Value
Manufacturer Part Number	GYC20000
Manufacturer	Sprague-Goodman
Series	FILMTRIM®
Capacitance Range	3–20pF
Voltage – Rated	100V
Adjustment Type	Top and Bottom
Dielectric Material	Polypropylene (PP)
Q @ Frequency	1000 @ 1MHz
Mounting Type	Through Hole
Operating Temperature Range	–40°C to 70°C
RoHS Status	RoHS Compliant
Product Status	Obsolete

Substitute Part Grouping Explanation

Substitution of the GYC20000 is determined by strict equivalence across the following critical parameters:

Capacitance Range: 3–20pF (exact match required)

Voltage Rating: 100V (minimum requirement; higher ratings are acceptable)

Adjustment Type: Top and Bottom (mechanical adjustment interface must match)

Dielectric Material: Polypropylene (PP) (electrical performance and frequency response characteristics)

Mounting Type: Through Hole (PCB interface compatibility)

Operating Temperature Range: –40°C to 70°C (minimum coverage required)

Q Factor @ 1MHz: 1000 (performance specification for signal integrity)

The GYC20004 satisfies all substitution criteria. Both components belong to the FILMTRIM® series, share identical electrical specifications, and maintain RoHS compliance. Dimensional variations exist in the length and width footprint; however, both components maintain the same height and through-hole mounting interface.

Parameter Comparison

Parameter	GYC20000	GYC20004	Match Status
Capacitance Range	3–20pF	3–20pF	Equivalent
Voltage – Rated	100V	100V	Equivalent
Adjustment Type	Top and Bottom	Top and Bottom	Equivalent
Dielectric Material	Polypropylene (PP)	Polypropylene (PP)	Equivalent
Q @ Frequency	1000 @ 1MHz	1000 @ 1MHz	Equivalent
Operating Temperature Range	–40°C to 70°C	–40°C to 70°C	Equivalent
Mounting Type	Through Hole	Through Hole	Equivalent
Size / Dimension	0.433" Dia (11.00mm)	0.433" L × 0.374" W (11.00mm × 9.50mm)	Footprint Variation
Height – Seated (Max)	0.402" (10.20mm)	0.402" (10.20mm)	Equivalent
RoHS Status	RoHS Compliant	RoHS Compliant	Equivalent
Series	FILMTRIM®	FILMTRIM®	Equivalent

Engineering Selection Recommendations

The GYC20004 is a direct parametric equivalent to the GYC20000 for all electrical and thermal operating specifications. Both components are RoHS compliant and classified as obsolete products within the FILMTRIM® series.

Primary Consideration: The GYC20004 exhibits a rectangular footprint (0.433" L × 0.374" W) compared to the circular footprint of the GYC20000 (0.433" Dia). PCB layout compatibility must be verified prior to substitution. Both components maintain identical height and through-hole mounting interface specifications.

Compliance Status: Both parts carry identical regulatory classifications (ECCN: EAR99; HTSUS: 8532.30.0090) and RoHS compliance certification, ensuring regulatory continuity in applications subject to environmental and trade compliance requirements.

Inventory Availability: The GYC20004 is available in higher stock quantity (1293 Pcs) compared to the GYC20000 (868 Pcs), supporting production and repair operations.

Frequently Asked Questions (FAQ)

Q: Can the GYC20004 replace the GYC20000 in existing circuit designs?

A: The GYC20004 is electrically equivalent across all specified parameters: capacitance range, voltage rating, adjustment type, dielectric material, Q factor, and operating temperature range. Substitution is valid provided the rectangular footprint (0.433" L × 0.374" W) accommodates the existing PCB layout. The mounting height (0.402" maximum) is identical.

Q: What is the significance of the footprint difference between these two parts?

A: The GYC20000 features a circular footprint with 0.433" diameter, while the GYC20004 has a rectangular footprint measuring 0.433" length by 0.374" width. Both maintain the same seated height of 0.402". PCB hole pattern and component placement must be verified for compatibility before substitution.

Q: Are both parts RoHS compliant?

A: Yes. Both the GYC20000 and GYC20004 are RoHS compliant and carry identical regulatory classifications (ECCN: EAR99; HTSUS: 8532.30.0090).

Q: Why are both parts classified as obsolete?

A: Both components are listed as obsolete products within the FILMTRIM® series. This classification indicates discontinued manufacturing by Sprague-Goodman. Substitution between these two parts supports continuity in legacy system repair and redesign applications where alternative modern trimmer capacitor solutions may not be suitable.

Q: What packaging differences exist between these parts?

A: The GYC20000 is supplied in standard packaging, while the GYC20004 is supplied in bulk packaging. Both are new original stock components.

Q: Is the Q factor specification identical for both parts?

A: Yes. Both the GYC20000 and GYC20004 specify a Q factor of 1000 at 1MHz, ensuring equivalent high-frequency performance characteristics.

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