CTS-Frequency Controls 416F38413IAT 38.4 MHz Crystal Equivalent & Substitute Parts

Part Overview

The CTS-Frequency Controls 416F38413IAT is a 38.4 MHz fundamental mode crystal oscillator in a 4-SMD, No Lead surface mount package. This part operates at ±10ppm frequency tolerance with 10pF load capacitance and 60 Ohms equivalent series resistance across an operating temperature range of -40°C to 85°C. The 416F38413IAT is discontinued at DiGi Electronics, making equivalent and substitute parts necessary for ongoing design support and production requirements.

Key Parameters

Parameter	Value
Frequency	38.4 MHz
Frequency Tolerance	±10ppm
Load Capacitance	10pF
ESR (Equivalent Series Resistance)	60 Ohms
Operating Mode	Fundamental
Operating Temperature Range	-40°C to 85°C
Mounting Type	Surface Mount
Package / Case	4-SMD, No Lead
Size / Dimension	0.063" L x 0.047" W (1.60mm x 1.20mm)
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution for the 416F38413IAT is determined by the following critical parameters: frequency (38.4 MHz), frequency tolerance (±10ppm), operating temperature range (-40°C to 85°C), mounting type (surface mount), and package type (4-SMD, No Lead). Load capacitance and ESR are secondary parameters that define substitution categories.

Substitute parts are grouped into three categories:

Category 1: Direct Parametric Equivalents (Identical Load Capacitance) Parts with 10pF load capacitance and 60 Ohms ESR maintain full electrical equivalence to the main part. These include 416F38413IAR and 416F38412IAR from CTS-Frequency Controls.

Category 2: Load Capacitance Variants (Same Manufacturer, Different Load Capacitance) Parts with alternative load capacitance values (8pF or 12pF) from CTS-Frequency Controls maintain frequency, tolerance, ESR, and package compatibility but require circuit design verification for load capacitance matching. These include 416F38413IKR (8pF) and 416F38413ILR (12pF).

Category 3: Cross-Manufacturer Alternatives (Different Package Dimensions and ESR) Abracon LLC ABM13W series crystals provide 38.4 MHz frequency with ±10ppm tolerance and compatible operating temperature range but feature different physical dimensions (0.047" L x 0.039" W vs. 0.063" L x 0.047" W), lower ESR (50 Ohms vs. 60 Ohms), and alternative load capacitance options (7pF or 8pF).

Parameter Comparison

Part Number	Manufacturer	Frequency	Frequency Tolerance	Frequency Stability	Load Capacitance	ESR	Package	Size (mm)	Product Status	Inventory
416F38413IAT	CTS-Frequency Controls	38.4 MHz	±10ppm	±30ppm	10pF	60 Ω	4-SMD, No Lead	1.60 x 1.20	Discontinued	1092 Pcs
416F38413IAR	CTS-Frequency Controls	38.4 MHz	±10ppm	±30ppm	10pF	60 Ω	4-SMD, No Lead	1.60 x 1.20	Active	917 Pcs
416F38412IAR	CTS-Frequency Controls	38.4 MHz	±10ppm	±20ppm	10pF	60 Ω	4-SMD, No Lead	1.60 x 1.20	Active	773 Pcs
416F38413IKR	CTS-Frequency Controls	38.4 MHz	±10ppm	±30ppm	8pF	60 Ω	4-SMD, No Lead	1.60 x 1.20	Active	1115 Pcs
416F38413ILR	CTS-Frequency Controls	38.4 MHz	±10ppm	±30ppm	12pF	60 Ω	4-SMD, No Lead	1.60 x 1.20	Active	971 Pcs
ABM13W-38.4000MHZ-7-D1Y-T5	Abracon LLC	38.4 MHz	±10ppm	±30ppm	7pF	50 Ω	4-SMD, No Lead	1.20 x 1.00	Active	896 Pcs
ABM13W-38.4000MHZ-8-D1Y-T5	Abracon LLC	38.4 MHz	±10ppm	±30ppm	8pF	50 Ω	4-SMD, No Lead	1.20 x 1.00	Active	978 Pcs

Engineering Selection Recommendations

Primary Recommendation: 416F38413IAR The 416F38413IAR is the direct active equivalent to the discontinued 416F38413IAT. Both parts share identical electrical specifications (38.4 MHz, ±10ppm tolerance, 10pF load capacitance, 60 Ohms ESR), package dimensions, and operating temperature range. The 416F38413IAR is currently active with 917 units in stock and maintains full ROHS3 compliance and MSL 1 rating.

Secondary Recommendation: 416F38412IAR The 416F38412IAR provides parametric equivalence with improved frequency stability (±20ppm vs. ±30ppm). This part maintains identical load capacitance (10pF), ESR (60 Ohms), package type, and dimensions. Selection of this part is appropriate when tighter frequency stability is required by circuit design specifications. Currently active with 773 units in stock.

Load Capacitance Variants: 416F38413IKR (8pF) and 416F38413ILR (12pF) These CTS-Frequency Controls parts maintain the same frequency, tolerance, ESR, and package dimensions but feature alternative load capacitance values. Selection requires verification that the circuit design can accommodate the different load capacitance. Both parts are currently active with adequate inventory (1115 and 971 units respectively).

Cross-Manufacturer Alternative: Abracon LLC ABM13W Series The ABM13W-38.4000MHZ-7-D1Y-T5 and ABM13W-38.4000MHZ-8-D1Y-T5 provide 38.4 MHz frequency with ±10ppm tolerance and compatible operating temperature range. These parts feature smaller physical dimensions (1.20mm x 1.00mm vs. 1.60mm x 1.20mm) and lower ESR (50 Ohms vs. 60 Ohms). Selection requires PCB layout verification for the smaller footprint and circuit analysis for ESR impact. Both parts are currently active with good inventory availability (896 and 978 units respectively).

Frequently Asked Questions (FAQ)

Q: Can I directly replace 416F38413IAT with 416F38413IAR? A: Yes. The 416F38413IAR is the direct active equivalent with identical electrical and mechanical specifications. No circuit modifications are required.

Q: What is the difference between 416F38413IAT and 416F38412IAR? A: Both parts have 38.4 MHz frequency, ±10ppm tolerance, 10pF load capacitance, and identical package dimensions. The 416F38412IAR provides tighter frequency stability at ±20ppm compared to ±30ppm for the 416F38413IAT. Selection depends on circuit stability requirements.

Q: Can I use 416F38413IKR (8pF) or 416F38413ILR (12pF) instead of the 10pF version? A: Load capacitance variants require circuit design verification. The load capacitance value affects the crystal's resonant frequency in the circuit. Substitution is only valid if your circuit design accommodates the alternative load capacitance value. Consult your circuit schematic and crystal load specifications before substitution.

Q: What are the advantages of Abracon ABM13W crystals? A: Abracon ABM13W crystals offer smaller physical dimensions (1.20mm x 1.00mm) and lower ESR (50 Ohms). These characteristics may benefit space-constrained designs and reduce power consumption. However, the smaller footprint requires PCB layout verification, and the lower ESR may affect circuit tuning characteristics.

Q: Are all substitute parts ROHS3 compliant? A: Yes. All listed substitute parts maintain ROHS3 compliance and are suitable for applications requiring RoHS certification.

Q: What is the moisture sensitivity level (MSL) for substitute parts? A: CTS-Frequency Controls parts (416 series) maintain MSL 1 (Unlimited). Abracon ABM13W series parts are rated as Not Applicable for MSL, indicating no moisture sensitivity restrictions.

Q: Which substitute part has the best inventory availability? A: The 416F38413IKR (8pF variant) has the highest inventory with 1115 units in stock, followed by 416F38413ILR (12pF) with 971 units and 416F38413IAR (direct equivalent) with 917 units.

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