US2500007 - 25 MHz ±10ppm Crystal Equivalent & Substitute Parts

Part Overview

The US2500007 is a 25 MHz fundamental mode crystal manufactured by Diodes Incorporated in the SaRonix-eCera™ US series. This surface mount device features a 7pF load capacitance, 80 Ohms ESR, and is packaged in a 4-SMD, No Lead configuration with 1.60mm x 1.20mm dimensions. The part is active and in stock with 869 units available. Equivalent and substitute parts are identified based on matching frequency, stability, operating temperature range, package type, and mechanical dimensions while allowing variation in load capacitance and ESR within acceptable operating parameters.

Key Parameters

Parameter	Value
Frequency	25 MHz
Frequency Stability	±10ppm
Frequency Tolerance	±10ppm
Load Capacitance	7pF
ESR (Equivalent Series Resistance)	80 Ohms
Operating Mode	Fundamental
Operating Temperature Range	-20°C ~ 70°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)
Height - Seated (Max)	0.016" (0.40mm)
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitute parts for the US2500007 are qualified based on the following criteria:

Frequency: 25 MHz (exact match required)
Frequency Stability: ±10ppm (exact match required)
Frequency Tolerance: ±10ppm (exact match required)
Operating Mode: Fundamental (exact match required)
Operating Temperature Range: -20°C ~ 70°C (exact match required)
Mounting Type: Surface Mount (exact match required)
Package / Case: 4-SMD, No Lead (exact match required)
Size / Dimension: 1.60mm x 1.20mm (exact match required)
Height - Seated (Max): 0.40mm (exact match required)

Load capacitance and ESR are allowed to vary within the substitute parts while maintaining electrical compatibility. All substitute parts meet the same environmental compliance standards and are active products with current manufacturing status.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Frequency	Frequency Stability	Load Capacitance	ESR (Ohms)	Operating Temperature	Package	Size (mm)	Height (mm)	RoHS Status	Inventory
US2500007	Diodes Incorporated	25 MHz	±10ppm	7pF	80	-20°C ~ 70°C	4-SMD, No Lead	1.60 x 1.20	0.40	ROHS3 Compliant	869 Pcs
8Q-25.000MEEV-T	FTS	25 MHz	±10ppm	8pF	100	-20°C ~ 70°C	4-SMD, No Lead	1.60 x 1.20	0.40	RoHS Compliant	3296 Pcs
ABM12W-25.0000MHZ-6-B1U-T3	Abracon LLC	25 MHz	±10ppm	6pF	100	-20°C ~ 70°C	4-SMD, No Lead	1.60 x 1.20	0.40	ROHS3 Compliant	4999 Pcs
ABM12W-25.0000MHZ-7-B1U-T3	Abracon LLC	25 MHz	±10ppm	7pF	100	-20°C ~ 70°C	4-SMD, No Lead	1.60 x 1.20	0.40	ROHS3 Compliant	1765 Pcs
ABM12W-25.0000MHZ-8-B1U-T3	Abracon LLC	25 MHz	±10ppm	8pF	100	-20°C ~ 70°C	4-SMD, No Lead	1.60 x 1.20	0.40	ROHS3 Compliant	15604 Pcs
Q 25,0-JXS11-8-10/10-FU-LF	Jauch Quartz	25 MHz	±10ppm	8pF	90	-20°C ~ 70°C	4-SMD, No Lead	1.60 x 1.20	0.40	ROHS3 Compliant	1863 Pcs

Engineering Selection Recommendations

All substitute parts listed are active products with current manufacturing status and meet applicable environmental compliance requirements. The ABM12W series from Abracon LLC offers the highest inventory availability across multiple load capacitance options (6pF, 7pF, 8pF), with the 8pF variant (ABM12W-25.0000MHZ-8-B1U-T3) providing 15,604 units in stock. The ABM12W-25.0000MHZ-7-B1U-T3 provides an exact load capacitance match to the primary part with 1,765 units available. The 8Q-25.000MEEV-T from FTS offers 3,296 units with 8pF load capacitance. The Q 25,0-JXS11-8-10/10-FU-LF from Jauch Quartz provides 1,863 units with the lowest ESR at 90 Ohms among 8pF options. All parts maintain ROHS3 compliance or equivalent environmental standards.

Frequently Asked Questions (FAQ)

Q: Can I substitute the US2500007 with a part having different load capacitance?

A: Yes. Load capacitance variation is permitted among qualified substitutes. The US2500007 specifies 7pF, but substitutes with 6pF or 8pF load capacitance are electrically compatible within the same frequency and stability parameters. Load capacitance selection depends on the oscillator circuit design and matching network requirements.

Q: What is the significance of ESR differences between substitute parts?

A: ESR (Equivalent Series Resistance) affects oscillator startup characteristics and power consumption. The US2500007 has 80 Ohms ESR, while most substitutes have 100 Ohms. The Q 25,0-JXS11-8-10/10-FU-LF offers 90 Ohms. These variations remain within acceptable operating parameters for standard 25 MHz oscillator applications.

Q: Are all substitute parts pin-compatible with the US2500007?

A: Yes. All substitute parts use the same 4-SMD, No Lead package with identical 1.60mm x 1.20mm dimensions and 0.40mm maximum seated height, ensuring mechanical and electrical pin compatibility.

Q: Do substitute parts have the same environmental compliance as the US2500007?

A: All substitute parts are ROHS3 compliant or equivalent. The US2500007 and all Abracon ABM12W variants are ROHS3 compliant. The 8Q-25.000MEEV-T is RoHS compliant. The Q 25,0-JXS11-8-10/10-FU-LF is ROHS3 compliant. All parts have MSL 1 (Unlimited) moisture sensitivity ratings.

Q: Which substitute offers the best inventory availability?

A: The ABM12W-25.0000MHZ-8-B1U-T3 from Abracon LLC provides the highest inventory with 15,604 units in stock, followed by the 8Q-25.000MEEV-T from FTS with 3,296 units.

Q: Can I use a substitute with different packaging format?

A: The ABM12W-25.0000MHZ-8-B1U-T3 is available in Cut Tape (CT) & Digi-Reel® packaging, while other substitutes use Tape & Reel (TR) packaging. Both formats are suitable for automated assembly; packaging selection depends on production volume and handling requirements.

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