ASE-26.000MHZ-C-T3 Equivalent & Substitute Parts

Part Overview

The ASE-26.000MHZ-C-T3 is a 26 MHz XO (Standard) CMOS oscillator manufactured by Abracon LLC, designed for applications requiring a stable 3.3V crystal oscillator with enable/disable functionality. This part is currently in active production status with 673 units available in stock. Substitute parts are identified when equivalent electrical and mechanical specifications are required due to supply constraints, design flexibility, or inventory optimization.

Key Parameters

Parameter	Value
Frequency	26 MHz
Output Type	CMOS
Supply Voltage	3.3V
Function	Enable/Disable
Frequency Stability	±50ppm
Operating Temperature Range	-10°C ~ 70°C
Package Type	4-SMD, No Lead
Mounting Type	Surface Mount
Physical Dimensions	3.20mm L x 2.50mm W
Moisture Sensitivity Level	MSL 1 (Unlimited)
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution eligibility for the ASE-26.000MHZ-C-T3 is determined by strict equivalence across the following critical parameters:

Frequency: 26 MHz (exact match required)
Output Configuration: CMOS
Supply Voltage: 3.3V
Enable/Disable Function: Required
Package: 4-SMD, No Lead
Physical Footprint: 3.20mm x 2.50mm
Frequency Stability: ±50ppm
Operating Temperature: -10°C ~ 70°C
Moisture Sensitivity: MSL 1 or better

The substitute part 7X-26.000MBB-T (TXC CORPORATION) meets all critical electrical and mechanical parameters, enabling direct substitution in circuit designs without PCB layout modifications or functional compromise.

Parameter Comparison

Parameter	ASE-26.000MHZ-C-T3 (Abracon)	7X-26.000MBB-T (TXC)	Match Status
Frequency	26 MHz	26 MHz	Equivalent
Output Type	CMOS	CMOS	Equivalent
Supply Voltage	3.3V	3.3V	Equivalent
Function	Enable/Disable	Enable/Disable	Equivalent
Frequency Stability	±50ppm	±50ppm	Equivalent
Operating Temperature	-10°C ~ 70°C	-10°C ~ 70°C	Equivalent
Package / Case	4-SMD, No Lead	4-SMD, No Lead	Equivalent
Physical Dimensions	3.20mm x 2.50mm	3.20mm x 2.50mm	Equivalent
Height - Seated (Max)	1.20mm	1.10mm	Compatible (TXC lower profile)
Current - Supply (Max)	13mA	20mA	Compatible (TXC higher consumption)
Moisture Sensitivity Level	MSL 1	MSL 1	Equivalent
RoHS Status	ROHS3 Compliant	RoHS Compliant	Compatible

Engineering Selection Recommendations

Both the ASE-26.000MHZ-C-T3 and 7X-26.000MBB-T are active production parts with full regulatory compliance. Selection between these parts should be based on:

ASE-26.000MHZ-C-T3 (Abracon LLC): Lower maximum supply current (13mA) makes this part suitable for power-constrained applications. ROHS3 compliance provides enhanced environmental standards. Current inventory of 673 units supports immediate procurement.

7X-26.000MBB-T (TXC CORPORATION): Lower seated height (1.10mm vs 1.20mm) accommodates space-constrained PCB designs. Higher maximum supply current (20mA) is acceptable in applications with adequate power budgets. Significantly higher inventory (5374 units) ensures extended supply availability. RoHS compliance meets standard environmental requirements.

Both parts carry identical frequency stability, operating temperature range, and package footprint specifications, confirming functional interchangeability in circuit applications.

Frequently Asked Questions (FAQ)

Q: Can the 7X-26.000MBB-T replace the ASE-26.000MHZ-C-T3 without PCB modifications?

A: Yes. Both parts share identical package dimensions (3.20mm x 2.50mm), pin configuration (4-SMD, No Lead), and electrical specifications (26 MHz, CMOS output, 3.3V supply, ±50ppm stability). No PCB layout changes are required.

Q: What is the difference in supply current between these parts?

A: The ASE-26.000MHZ-C-T3 specifies a maximum supply current of 13mA, while the 7X-26.000MBB-T specifies 20mA. Both values are within typical oscillator operating ranges. Selection depends on circuit power budget requirements.

Q: Are both parts RoHS compliant?

A: Yes. The ASE-26.000MHZ-C-T3 is ROHS3 compliant, and the 7X-26.000MBB-T is RoHS compliant. Both meet environmental and hazardous substance restrictions.

Q: What is the significance of the height difference (1.20mm vs 1.10mm)?

A: The 7X-26.000MBB-T has a lower seated height by 0.10mm. This difference is relevant only in applications with strict vertical clearance constraints or multi-layer PCB designs with minimal component-to-component spacing.

Q: Do both parts have the same moisture sensitivity rating?

A: Yes. Both the ASE-26.000MHZ-C-T3 and 7X-26.000MBB-T are rated MSL 1 (Unlimited), indicating no moisture sensitivity restrictions during storage or handling.

Q: Which part should be selected for new designs?

A: Selection should be based on specific application requirements: choose the ASE-26.000MHZ-C-T3 for lower power consumption priority, or the 7X-26.000MBB-T for superior supply availability and compact height profile. Both are functionally equivalent for the specified 26 MHz CMOS oscillator application.

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