Equivalent & Substitute Parts for Würth Elektronik 830065253

Part Overview

The Würth Elektronik 830065253 is a 32.768 kHz tuning fork crystal designed for real-time clock and low-frequency timing applications. This kHz crystal operates at a fundamental frequency of 32.768 kHz with a frequency tolerance of ±20ppm and a load capacitance of 12.5pF. The component is housed in a 2-SMD, No Lead surface mount package with dimensions of 0.063" L x 0.039" W (1.60mm x 1.00mm) and a maximum seated height of 0.020" (0.50mm). The part is ROHS3 compliant and currently active in production. Equivalent substitute parts are necessary when the primary part is unavailable, when supply chain optimization is required, or when design flexibility across multiple qualified suppliers is needed.

Key Parameters

Parameter	Value
Frequency	32.768 kHz
Frequency Tolerance	±20ppm
Load Capacitance	12.5pF
ESR (Equivalent Series Resistance)	90 kOhms
Operating Mode	Fundamental
Operating Temperature Range	-40°C ~ 85°C
Mounting Type	Surface Mount
Package / Case	2-SMD, No Lead
Size / Dimension	0.063" L x 0.039" W (1.60mm x 1.00mm)
Height - Seated (Max)	0.020" (0.50mm)
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution of the Würth Elektronik 830065253 is determined by strict equivalence across the following critical parameters:

Mandatory Matching Parameters:

Frequency: 32.768 kHz
Frequency Tolerance: ±20ppm
Load Capacitance: 12.5pF
ESR: 90 kOhms
Operating Mode: Fundamental
Operating Temperature Range: -40°C ~ 85°C
Mounting Type: Surface Mount
Package / Case: 2-SMD, No Lead
Physical Dimensions: 0.063" L x 0.039" W (1.60mm x 1.00mm)
Maximum Seated Height: 0.020" (0.50mm)

All substitute parts listed below meet these exact specifications and are therefore electrically and mechanically interchangeable with the primary part. Substitution is valid across all listed manufacturers without design modification or circuit re-qualification.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Series	Frequency	Frequency Tolerance	Load Capacitance	ESR	Operating Temperature	Package	Dimensions (L x W)	Height (Max)	RoHS Status	Packaging Type
830065253	Würth Elektronik	IQXC-90	32.768 kHz	±20ppm	12.5pF	90 kOhms	-40°C ~ 85°C	2-SMD, No Lead	0.063" x 0.039" (1.60mm x 1.00mm)	0.020" (0.50mm)	ROHS3	Tape & Reel (TR)
12.87170	Geyer Electronic America, Inc.	KX-327FT	32.768 kHz	±20ppm	12.5pF	90 kOhms	-40°C ~ 85°C	2-SMD, No Lead	0.063" x 0.039" (1.60mm x 1.00mm)	0.020" (0.50mm)	ROHS3	Tape & Reel (TR)
9HT12-32.768KDZF-T	TXC CORPORATION	9HT12	32.768 kHz	±20ppm	12.5pF	90 kOhms	-40°C ~ 85°C	2-SMD, No Lead	0.063" x 0.039" (1.60mm x 1.00mm)	0.020" (0.50mm)	RoHS Compliant	Tape & Reel (TR)
ABS05-32.768KHZ-T	Abracon LLC	ABS05	32.768 kHz	±20ppm	12.5pF	90 kOhms	-40°C ~ 85°C	2-SMD, No Lead	0.063" x 0.039" (1.60mm x 1.00mm)	0.020" (0.50mm)	ROHS3	Cut Tape (CT) & Digi-Reel®
CM1610H32768DZFT	Citizen Finedevice Co Ltd	CM1610H	32.768 kHz	±20ppm	12.5pF	90 kOhms	-40°C ~ 85°C	2-SMD, No Lead	0.063" x 0.039" (1.60mm x 1.00mm)	0.020" (0.50mm)	ROHS3	Tape & Reel (TR)
CS1610-A-32.768K	Transko Electronics, Inc.	CS1610	32.768 kHz	±20ppm	12.5pF	90 kOhms	-40°C ~ 85°C	2-SMD, No Lead	0.063" x 0.039" (1.60mm x 1.00mm)	0.020" (0.50mm)	ROHS3	Tape & Reel (TR)
ECS-.327-12.5-16-TR	ECS Inc.	ECX-16	32.768 kHz	±20ppm	12.5pF	90 kOhms	-40°C ~ 85°C	2-SMD, No Lead	0.063" x 0.039" (1.60mm x 1.00mm)	0.020" (0.50mm)	ROHS3	Tape & Reel (TR)
ECS-.327-12.5-16-TR3	ECS Inc.	ECX-16	32.768 kHz	±20ppm	12.5pF	90 kOhms	-40°C ~ 85°C	2-SMD, No Lead	0.063" x 0.039" (1.60mm x 1.00mm)	0.020" (0.50mm)	ROHS3	Tape & Reel (TR)
LFXTAL065253	IQD Frequency Products	IQXC-90	32.768 kHz	±20ppm	12.5pF	90 kOhms	-40°C ~ 85°C	2-SMD, No Lead	0.063" x 0.039" (1.60mm x 1.00mm)	0.020" (0.50mm)	ROHS3	Tape & Reel (TR)
MXT1BFI32K768	Meritek	MXT1	32.768 kHz	±20ppm	12.5pF	90 kOhms	-40°C ~ 85°C	2-SMD, No Lead	0.063" x 0.039" (1.60mm x 1.00mm)	0.020" (0.50mm)	ROHS3	Tape & Reel (TR)
Q 0,032768-JTX110-12,5-20-T1-90K-LF	Jauch Quartz	JTX110	32.768 kHz	±20ppm	12.5pF	90 kOhms	-40°C ~ 85°C	2-SMD, No Lead	0.063" x 0.039" (1.60mm x 1.00mm)	0.020" (0.50mm)	ROHS3	Tape & Reel (TR)

Engineering Selection Recommendations

All listed substitute parts are electrically and mechanically equivalent to the Würth Elektronik 830065253 and are suitable for direct replacement in applications requiring a 32.768 kHz tuning fork crystal with ±20ppm frequency tolerance and 12.5pF load capacitance.

Compliance and Certification Status:

All substitute parts are ROHS3 compliant or RoHS compliant, meeting environmental and regulatory requirements for electronic component manufacturing. The primary part (830065253) and the majority of substitutes carry ROHS3 certification. The TXC CORPORATION part (9HT12-32.768KDZF-T) carries RoHS compliance designation. All parts are designated as REACH Unaffected or carry REACH Unaffected status where specified.

Supply Availability:

The ECS-.327-12.5-16-TR part maintains the highest inventory level at 509,030 pieces. The Abracon LLC ABS05-32.768KHZ-T part maintains 147,411 pieces in stock. The Jauch Quartz Q 0,032768-JTX110-12,5-20-T1-90K-LF part maintains 84,729 pieces. These three options provide the strongest supply chain continuity for high-volume production requirements.

Packaging Considerations:

The majority of substitute parts are supplied in Tape & Reel (TR) packaging, consistent with the primary part. The Abracon LLC ABS05-32.768KHZ-T part is supplied in Cut Tape (CT) & Digi-Reel® packaging, which is suitable for lower-volume or mixed-component assembly operations.

Product Status:

All listed substitute parts are designated as Active in production status, confirming ongoing manufacturer support and availability.

Frequently Asked Questions (FAQ)

Q: Can the Würth Elektronik 830065253 be directly replaced with any of the listed substitute parts without circuit modification?

A: Yes. All listed substitute parts meet identical electrical and mechanical specifications, including frequency (32.768 kHz), frequency tolerance (±20ppm), load capacitance (12.5pF), ESR (90 kOhms), operating temperature range (-40°C ~ 85°C), and physical package dimensions (0.063" L x 0.039" W, 0.020" max height). Direct substitution is valid without design changes or re-qualification.

Q: Are there differences in moisture sensitivity levels among the substitute parts?

A: The primary part (830065253) and the Abracon LLC ABS05-32.768KHZ-T part are listed as Not Applicable for Moisture Sensitivity Level (MSL). The remaining substitute parts are designated as MSL 1 (Unlimited), which indicates the lowest moisture sensitivity classification. This difference does not affect substitution compatibility but may influence storage and handling procedures according to individual manufacturer guidelines.

Q: Which substitute part offers the best supply chain availability?

A: The ECS-.327-12.5-16-TR part from ECS Inc. maintains the highest inventory level at 509,030 pieces. The Abracon LLC ABS05-32.768KHZ-T part maintains 147,411 pieces, and the Jauch Quartz Q 0,032768-JTX110-12,5-20-T1-90K-LF part maintains 84,729 pieces. These three options provide the strongest availability for production planning.

Q: What is the difference between the two ECS Inc. part numbers (ECS-.327-12.5-16-TR and ECS-.327-12.5-16-TR3)?

A: Both ECS Inc. parts belong to the ECX-16 series and meet identical electrical and mechanical specifications. The difference in part number designation (TR versus TR3) reflects manufacturing or packaging revision levels. Both parts are electrically equivalent and suitable for substitution.

Q: Are all substitute parts ROHS3 compliant?

A: The majority of substitute parts carry ROHS3 compliance certification. The TXC CORPORATION part (9HT12-32.768KDZF-T) carries RoHS compliance designation. Both certifications meet current environmental and regulatory requirements for electronic component manufacturing. The Meritek part (MXT1BFI32K768) does not specify ROHS3 or RoHS status in the provided data.

Q: What packaging options are available for these substitute parts?

A: Most substitute parts are supplied in Tape & Reel (TR) packaging, consistent with the primary Würth Elektronik part. The Abracon LLC ABS05-32.768KHZ-T part is supplied in Cut Tape (CT) & Digi-Reel® packaging, which is suitable for lower-volume assembly operations or mixed-component pick-and-place processes.

Q: Can substitute parts be mixed within a single production run?

A: Yes. All substitute parts meet identical electrical and mechanical specifications and are therefore interchangeable. However, packaging format differences (Tape & Reel versus Cut Tape) may require separate handling procedures during assembly. Consult manufacturing and assembly documentation for specific requirements.

Q: What is the operating temperature range for all substitute parts?

A: All substitute parts operate across the identical temperature range of -40°C to 85°C, matching the primary Würth Elektronik 830065253 part. This range is suitable for industrial and consumer applications requiring extended temperature performance.

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