TZ1006AE 32.768 kHz Crystal Equivalent & Substitute Parts

Part Overview

The TZ1006AE is a 32.768 kHz tuning fork crystal manufactured by TST, designed for real-time clock (RTC) and timing applications requiring precise frequency stability. This surface-mount component operates across the industrial temperature range of -40°C to 85°C and is ROHS3 compliant with unlimited moisture sensitivity rating (MSL 1). The part is currently in active production status with 9,629 units in stock. Substitute parts are identified when equivalent electrical and mechanical parameters match the original specification, enabling seamless integration into existing designs or providing alternative sourcing options.

Substiute Parts

TZ1006AE

TSTIn Stock: 9685TZ1006AE Datasheet

Current PartRFQ

CM315DL32768DZFT

Citizen Finedevice Co LtdIn Stock: 4945CM315DL32768DZFT Datasheet

Parametric EquivalentRFQ

ECS-.327-12.5-34R-TR

ECS Inc.In Stock: 196089ECS-.327-12.5-34R-TR Datasheet

Parametric EquivalentRFQ

FC-135R 32.7680KA-A0

EPSONIn Stock: 4060FC-135R 32.7680KA-A0 Datasheet

Parametric EquivalentRFQ

FC-135R 32.7680KA-A3

EPSONIn Stock: 67553FC-135R 32.7680KA-A3 Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the TZ1006AE is determined by strict parametric matching across the following critical specifications:

Mandatory Matching Parameters:

• Frequency: 32.768 kHz (exact match required)
• Frequency Tolerance: ±20 ppm (exact match required)
• Load Capacitance: 12.5 pF (exact match required)
• ESR: 50 kOhms (exact match required)
• Operating Temperature Range: -40°C to 85°C (exact match required)
• Package Type: 2-SMD, No Lead (exact match required)
• Physical Dimensions: 3.20 mm × 1.50 mm × 0.90 mm maximum height (exact match required)
• Operating Mode: Fundamental (exact match required)
• RoHS Status: ROHS3 Compliant (exact match required)

All four identified substitute parts meet these mandatory criteria without exception. Substitution is valid only when all parameters align precisely with the original specification.

Parameter Comparison

Engineering Selection Recommendations

All four substitute parts are parametrically equivalent to the TZ1006AE and are suitable for direct replacement in applications requiring 32.768 kHz timing crystals with 12.5 pF load capacitance and 50 kOhms ESR across the -40°C to 85°C operating range.

Selection Considerations Based on Provided Data:

CM315DL32768DZFT (Citizen Finedevice Co Ltd): Active production status with ROHS3 compliance and REACH unaffected designation. Inventory of 4,920 units supports moderate-volume applications. Suitable for designs with no REACH-specific constraints.

ECS-.327-12.5-34R-TR (ECS Inc.): Highest inventory availability at 196,059 units, supporting high-volume production requirements. Active status with ROHS3 compliance and REACH unaffected designation. Tape & Reel packaging standard. Recommended for applications requiring maximum supply chain security.

FC-135R 32.7680KA-A0 (EPSON): Active production with ROHS3 compliance. REACH affected status requires compliance verification for regulated markets. Inventory of 3,986 units. Tape & Reel packaging. Suitable for applications where EPSON qualification is required.

FC-135R 32.7680KA-A3 (EPSON): Active production with ROHS3 compliance and REACH affected status. Highest EPSON inventory at 67,470 units. Packaged in Cut Tape (CT) & Digi-Reel® format, differing from standard Tape & Reel. Suitable for applications requiring EPSON components with alternative packaging formats.

Frequently Asked Questions (FAQ)

Q: Can I substitute the TZ1006AE with any of these parts without circuit redesign?

A: Yes. All four substitute parts match the TZ1006AE across all critical electrical and mechanical parameters: 32.768 kHz frequency, ±20 ppm tolerance, 12.5 pF load capacitance, 50 kOhms ESR, -40°C to 85°C operating range, and identical 2-SMD package dimensions. No circuit modifications are required.

Q: What is the difference between the two EPSON FC-135R variants?

A: The FC-135R 32.7680KA-A0 and FC-135R 32.7680KA-A3 are electrically and mechanically identical. The primary difference is packaging format: the -A0 variant uses standard Tape & Reel (TR), while the -A3 variant uses Cut Tape (CT) & Digi-Reel® format. Select based on your assembly equipment compatibility.

Q: Which substitute offers the best supply chain availability?

A: The ECS-.327-12.5-34R-TR provides the highest inventory at 196,059 units, followed by the EPSON FC-135R 32.7680KA-A3 at 67,470 units. Both are suitable for high-volume production with minimal supply risk.

Q: Are there any compliance differences between the substitutes?

A: All parts are ROHS3 compliant with MSL 1 (unlimited moisture sensitivity). The EPSON variants (FC-135R 32.7680KA-A0 and FC-135R 32.7680KA-A3) have REACH affected status, while the Citizen and ECS parts have REACH unaffected status. Verify REACH compliance requirements for your target market before selection.

Q: Can I mix different substitute parts in the same production batch?

A: Yes. All substitutes are parametrically equivalent and will function identically in the circuit. However, for traceability and quality control purposes, maintaining consistent part sourcing within a single production lot is recommended.

Q: What is the significance of the 2-SMD, No Lead package type?

A: This package designation indicates a surface-mount crystal with two solder pads and no through-hole leads. All substitutes use this identical package, ensuring compatibility with standard SMD assembly processes and PCB footprints designed for the TZ1006AE.