CTS-Frequency Controls 416F25013CAT 25 MHz Crystal Equivalent & Substitute Parts

Part Overview

The CTS-Frequency Controls 416F25013CAT is a 25 MHz fundamental mode crystal oscillator in 4-SMD, No Lead surface mount package. This part operates at 25.0000 MHz with ±10 ppm frequency tolerance and 10 pF load capacitance. The 416F25013CAT is discontinued at DiGi Electronics, making equivalent and substitute parts necessary for ongoing production and maintenance applications. Active alternatives within the CTS 416 series provide direct functional replacement with identical or compatible electrical and mechanical specifications.

Key Parameters

Parameter	Value
Frequency	25 MHz
Frequency Tolerance	±10 ppm
Load Capacitance	10 pF
ESR (Equivalent Series Resistance)	120 Ohms
Operating Mode	Fundamental
Operating Temperature Range	-20°C to 70°C
Mounting Type	Surface Mount
Package / Case	4-SMD, No Lead
Size / Dimension	0.063" L x 0.047" W (1.60 mm x 1.20 mm)
Height - Seated (Max)	0.018" (0.45 mm)
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of the 416F25013CAT is determined by the following critical parameters: frequency (25 MHz), frequency tolerance (±10 ppm), ESR (120 Ohms), operating mode (Fundamental), package type (4-SMD, No Lead), physical dimensions (0.063" L x 0.047" W), and operating temperature range (-20°C to 70°C).

Substitute parts are grouped into two categories:

Load Capacitance Variants (416F25013CKR, 416F25013CLR): These parts maintain identical frequency, tolerance, ESR, package, and temperature specifications but differ in load capacitance (8 pF and 12 pF respectively). These are direct substitutes when circuit design accommodates the alternative load capacitance value.

Frequency Stability Variants (416F25011CAR, 416F25012CAR, 416F25013CAR, 416F2501XCAR): These parts maintain identical frequency, tolerance, load capacitance (10 pF), ESR, package, and temperature specifications but differ in frequency stability (±10 ppm, ±20 ppm, ±30 ppm, or ±15 ppm). These are direct substitutes when the application does not require the specific frequency stability of the original part.

All substitute parts are manufactured by CTS-Frequency Controls, use identical 4-SMD, No Lead packaging, and maintain the same physical footprint and height specifications.

Parameter Comparison

Part Number	Frequency	Frequency Tolerance	Frequency Stability	Load Capacitance	ESR	Package	Product Status	Inventory
416F25013CAT	25 MHz	±10 ppm	±30 ppm	10 pF	120 Ω	4-SMD, No Lead	Discontinued	739 Pcs
416F25013CKR	25 MHz	±10 ppm	±30 ppm	8 pF	120 Ω	4-SMD, No Lead	Active	669 Pcs
416F25013CLR	25 MHz	±10 ppm	±30 ppm	12 pF	120 Ω	4-SMD, No Lead	Active	849 Pcs
416F25011CAR	25 MHz	±10 ppm	±10 ppm	10 pF	120 Ω	4-SMD, No Lead	Active	793 Pcs
416F25012CAR	25 MHz	±10 ppm	±20 ppm	10 pF	120 Ω	4-SMD, No Lead	Active	1057 Pcs
416F25013CAR	25 MHz	±10 ppm	±30 ppm	10 pF	120 Ω	4-SMD, No Lead	Active	901 Pcs
416F2501XCAR	25 MHz	±10 ppm	±15 ppm	10 pF	120 Ω	4-SMD, No Lead	Active	751 Pcs

Engineering Selection Recommendations

For direct replacement of the discontinued 416F25013CAT, select 416F25013CAR. This part is active, maintains identical electrical specifications (25 MHz, ±10 ppm tolerance, ±30 ppm stability, 10 pF load capacitance, 120 Ω ESR), and uses the same 4-SMD, No Lead package. Both parts are ROHS3 compliant with MSL 1 rating.

When circuit design permits load capacitance variation, 416F25013CKR (8 pF) and 416F25013CLR (12 pF) are active alternatives with identical frequency, tolerance, stability, and ESR specifications.

When improved frequency stability is required, 416F25011CAR (±10 ppm stability) and 416F2501XCAR (±15 ppm stability) provide tighter specifications while maintaining 10 pF load capacitance. The 416F25012CAR offers intermediate stability (±20 ppm) with higher inventory availability.

All substitute parts maintain compliance with ROHS3, REACH Unaffected status, and MSL 1 moisture sensitivity rating. Physical dimensions and height specifications remain constant across all alternatives, ensuring PCB footprint compatibility.

Frequently Asked Questions (FAQ)

Q: Can 416F25013CKR or 416F25013CLR replace 416F25013CAT directly?

A: These parts are electrical and mechanical substitutes if your circuit design accommodates 8 pF or 12 pF load capacitance respectively. The load capacitance value affects the crystal's operating frequency in the circuit. Verify that your oscillator circuit is designed for the alternative load capacitance before substitution.

Q: What is the difference between frequency tolerance and frequency stability?

A: Frequency tolerance (±10 ppm) specifies the initial accuracy of the crystal frequency at room temperature. Frequency stability (±30 ppm, ±20 ppm, ±15 ppm, or ±10 ppm) specifies the maximum frequency variation over the operating temperature range (-20°C to 70°C). Lower stability values indicate tighter frequency control across temperature extremes.

Q: Is 416F25013CAR a direct replacement for 416F25013CAT?

A: Yes. Both parts have identical frequency (25 MHz), tolerance (±10 ppm), stability (±30 ppm), load capacitance (10 pF), ESR (120 Ω), and package specifications (4-SMD, No Lead). The primary difference is product status: 416F25013CAT is discontinued while 416F25013CAR is active.

Q: Do all substitute parts use the same PCB footprint?

A: Yes. All substitute parts maintain identical physical dimensions (0.063" L x 0.047" W / 1.60 mm x 1.20 mm) and maximum seated height (0.018" / 0.45 mm). PCB footprint compatibility is guaranteed across all alternatives.

Q: Which substitute part should I select if I need the tightest frequency stability?

A: Select 416F25011CAR, which provides ±10 ppm frequency stability. This part maintains all other specifications identical to the original 416F25013CAT (25 MHz, ±10 ppm tolerance, 10 pF load capacitance, 120 Ω ESR).

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All substitute parts listed are ROHS3 compliant with MSL 1 (Unlimited) moisture sensitivity rating and REACH Unaffected status, matching the compliance profile of the original 416F25013CAT.

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