416F27012ITT Equivalent & Substitute Parts Reference

Part Overview

The 416F27012ITT is a 27 MHz fundamental mode crystal oscillator manufactured by CTS-Frequency Controls, designed for surface mount applications in 4-SMD, No Lead packaging. This part operates across the industrial temperature range of -40°C to 85°C with ±10ppm frequency tolerance and 6pF load capacitance. The 416F27012ITT has been discontinued at DiGi Electronics, making equivalent substitute parts necessary for ongoing design support and procurement.

Key Parameters

Parameter	Value
Frequency	27 MHz
Frequency Tolerance	±10ppm
Frequency Stability	±20ppm
Load Capacitance	6pF
ESR (Equivalent Series Resistance)	120 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 416F27012ITT is determined by the following critical parameters:

Frequency: 27 MHz (exact match required)
Frequency Tolerance: ±10ppm (exact match required)
Load Capacitance: 6pF (primary specification)
Operating Temperature Range: -40°C to 85°C (exact match required)
Package / Case: 4-SMD, No Lead (exact match required)
Physical Dimensions: 0.063" L x 0.047" W (1.60mm x 1.20mm) (exact match required)
Mounting Type: Surface Mount (exact match required)

The 416F27012ITR is a parametric equivalent with identical electrical and mechanical specifications, differing only in packaging format (Tape & Reel vs. bulk). The ABM12W series parts from Abracon LLC provide functional equivalence with minor variations in ESR and load capacitance specifications that remain within acceptable operating parameters for most applications.

Parameter Comparison

Parameter	416F27012ITT	416F27012ITR	ABM12W-27.0000MHZ-6-D1X-T3	ABM12W-27.0000MHZ-7-D1X-T3
Manufacturer	CTS-Frequency Controls	CTS-Frequency Controls	Abracon LLC	Abracon LLC
Frequency	27 MHz	27 MHz	27 MHz	27 MHz
Frequency Tolerance	±10ppm	±10ppm	±10ppm	±10ppm
Frequency Stability	±20ppm	±20ppm	±20ppm	±20ppm
Load Capacitance	6pF	6pF	6pF	7pF
ESR	120 Ohms	120 Ohms	100 Ohms	100 Ohms
Operating Temperature	-40°C to 85°C	-40°C to 85°C	-40°C to 85°C	-40°C to 85°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)	0.016" (0.40mm)	0.016" (0.40mm)
Product Status	Discontinued at DiGi Electronics	Active	Active	Active
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant

Engineering Selection Recommendations

416F27012ITR is the direct parametric equivalent and primary substitute. It maintains identical electrical specifications (27 MHz, ±10ppm tolerance, 6pF load capacitance, 120 Ohms ESR) and mechanical dimensions. The only difference is packaging format (Tape & Reel vs. bulk). This part is currently active in production and ROHS3 compliant, making it the preferred choice for direct replacement.

ABM12W-27.0000MHZ-6-D1X-T3 provides functional equivalence with a 6pF load capacitance matching the original specification. The ESR is reduced to 100 Ohms (versus 120 Ohms), which represents improved performance characteristics. Physical dimensions remain identical. This part is active and ROHS3 compliant.

ABM12W-27.0000MHZ-7-D1X-T3 operates at 7pF load capacitance instead of 6pF. This variant is suitable only when circuit design accommodates the higher load capacitance specification. ESR is 100 Ohms. This part is active and ROHS3 compliant.

All substitute parts maintain the same operating temperature range (-40°C to 85°C), fundamental operating mode, and surface mount 4-SMD, No Lead package configuration.

Frequently Asked Questions (FAQ)

Q: Can I use 416F27012ITR as a direct replacement for 416F27012ITT?

A: Yes. The 416F27012ITR is a parametric equivalent with identical electrical and mechanical specifications. The difference is packaging format only (Tape & Reel vs. bulk). Both parts are 27 MHz, ±10ppm tolerance, 6pF load capacitance, 120 Ohms ESR, and 4-SMD, No Lead package.

Q: What is the difference between the CTS 416 series and Abracon ABM12W series?

A: Both manufacturers produce 27 MHz crystals with identical frequency, tolerance, and operating temperature specifications. The ABM12W series has lower ESR (100 Ohms vs. 120 Ohms), which can improve circuit performance. Physical dimensions and package types are identical.

Q: Can I substitute the ABM12W-27.0000MHZ-7-D1X-T3 (7pF) for the original 416F27012ITT (6pF)?

A: Only if your circuit design is verified to operate with 7pF load capacitance. The higher load capacitance may affect frequency accuracy and circuit stability. Verify with your circuit designer before substitution.

Q: Are all substitute parts RoHS compliant?

A: Yes. All listed substitute parts are ROHS3 compliant, matching the compliance status of the original 416F27012ITT.

Q: What is the significance of the ESR difference between 120 Ohms and 100 Ohms?

A: Lower ESR (100 Ohms) generally provides better frequency stability and lower power consumption. The 20 Ohm difference is within typical circuit tolerance margins for 27 MHz applications.

Q: Do the Abracon parts have the same moisture sensitivity as the CTS parts?

A: No. The CTS 416F27012ITT and 416F27012ITR have MSL 1 (Unlimited). The Abracon ABM12W parts list MSL as Not Applicable, indicating different moisture handling specifications. Verify storage and handling requirements for your specific application.

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