CTS-Frequency Controls 416F36025CDT 36 MHz Crystal Equivalent & Substitute Parts

Part Overview

The CTS-Frequency Controls 416F36025CDT is a 36 MHz fundamental mode crystal oscillator in a 4-SMD, No Lead surface mount package. This part is discontinued at DiGi Electronics, making equivalent substitute parts necessary for ongoing production and maintenance applications. The 36 MHz frequency with 18pF load capacitance and 80 Ohms ESR serves timing and clock generation functions in electronic systems requiring precise frequency stability.

Key Parameters

Parameter	Value
Frequency	36 MHz
Frequency Tolerance	±20ppm
Load Capacitance	18pF
ESR (Equivalent Series Resistance)	80 Ohms
Operating Mode	Fundamental
Operating Temperature Range	-20°C to 70°C
Package / Case	4-SMD, No Lead
Size / Dimension	0.063" L x 0.047" W (1.60mm x 1.20mm)
Height - Seated (Max)	0.018" (0.45mm)
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution for the 416F36025CDT is determined by the following critical parameters that must remain constant across all equivalent parts:

Frequency: 36 MHz (exact match required)
Frequency Tolerance: ±20ppm (exact match required)
Load Capacitance: 18pF (exact match required)
ESR: 80 Ohms (exact match required)
Operating Mode: Fundamental (exact match required)
Package / Case: 4-SMD, No Lead (exact match required)
Physical Dimensions: 0.063" L x 0.047" W, 0.018" max height (exact match required)
Operating Temperature Range: -20°C to 70°C (exact match required)

Frequency Stability (temperature coefficient) may vary within the allowed range while maintaining functional equivalence. Packaging format (bulk vs. Tape & Reel) does not affect electrical performance and represents a logistical variation only. All substitute parts must maintain ROHS3 compliance and MSL 1 rating.

Parameter Comparison

Parameter	416F36025CDT (Main)	416F36022CDR	416F36023CDR	416F36025CDR
Manufacturer	CTS-Frequency Controls	CTS-Frequency Controls	CTS-Frequency Controls	CTS-Frequency Controls
Frequency	36 MHz	36 MHz	36 MHz	36 MHz
Frequency Tolerance	±20ppm	±20ppm	±20ppm	±20ppm
Frequency Stability	±50ppm	±20ppm	±30ppm	±50ppm
Load Capacitance	18pF	18pF	18pF	18pF
ESR	80 Ohms	80 Ohms	80 Ohms	80 Ohms
Operating Mode	Fundamental	Fundamental	Fundamental	Fundamental
Operating Temperature	-20°C to 70°C	-20°C to 70°C	-20°C to 70°C	-20°C to 70°C
Package / Case	4-SMD, No Lead	4-SMD, No Lead	4-SMD, No Lead	4-SMD, No Lead
Size / Dimension	0.063" L x 0.047" W (1.60mm x 1.20mm)	0.063" L x 0.047" W (1.60mm x 1.20mm)	0.063" L x 0.047" W (1.60mm x 1.20mm)	0.063" L x 0.047" W (1.60mm x 1.20mm)
Height - Seated (Max)	0.018" (0.45mm)	0.018" (0.45mm)	0.018" (0.45mm)	0.018" (0.45mm)
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
Product Status	Discontinued at DiGi Electronics	Active	Active	Active
Packaging Format	Bulk	Tape & Reel (TR)	Tape & Reel (TR)	Tape & Reel (TR)

Engineering Selection Recommendations

All three substitute parts (416F36022CDR, 416F36023CDR, 416F36025CDR) are electrically and mechanically equivalent to the 416F36025CDT and meet the substitution criteria. Selection should be based on the following factors:

Product Status: The 416F36022CDR, 416F36023CDR, and 416F36025CDR are all Active products, ensuring long-term availability and supply chain continuity compared to the discontinued 416F36025CDT.

Compliance: All substitute parts maintain ROHS3 compliance and MSL 1 rating, matching the environmental and regulatory requirements of the original part.

Frequency Stability: The 416F36022CDR offers the tightest frequency stability specification at ±20ppm, while 416F36023CDR provides ±30ppm and 416F36025CDR matches the original at ±50ppm. Selection depends on the application's frequency stability requirements.

Packaging Format: The substitute parts are supplied in Tape & Reel format, which is standard for automated assembly processes. If bulk packaging is required, consult with the manufacturer or authorized distributors.

Frequently Asked Questions (FAQ)

Q: Can I directly replace the 416F36025CDT with any of these substitute parts?

A: Yes. All three substitute parts (416F36022CDR, 416F36023CDR, 416F36025CDR) are direct electrical and mechanical equivalents. They share identical frequency, load capacitance, ESR, package dimensions, and operating temperature range. The primary difference is product status (active vs. discontinued) and packaging format (Tape & Reel vs. bulk).

Q: What is the difference between the three substitute parts?

A: The primary difference is frequency stability specification. The 416F36022CDR has ±20ppm stability, 416F36023CDR has ±30ppm, and 416F36025CDR has ±50ppm. All three meet the ±20ppm frequency tolerance requirement. Choose based on your application's temperature coefficient and long-term frequency accuracy needs.

Q: Does the Tape & Reel packaging affect electrical performance?

A: No. Tape & Reel is a packaging and delivery format used for automated assembly. It does not affect the electrical characteristics or performance of the crystal oscillator.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All substitute parts are ROHS3 compliant with MSL 1 rating, matching the environmental compliance of the original 416F36025CDT.

Q: Why is the original part discontinued?

A: The 416F36025CDT is discontinued at DiGi Electronics. The active substitute parts provide equivalent functionality with improved supply chain availability.

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