EVM-ASGA00B12 Equivalent & Substitute Parts

Part Overview

The EVM-ASGA00B12 is a 100 Ohm, 0.3W surface mount trimmer potentiometer manufactured by Panasonic Electronic Components. This cermet-based, single-turn top adjustment component is designed for precision resistance tuning in compact surface mount applications. The product is currently obsolete, making identification of functionally equivalent alternatives essential for ongoing maintenance, repair, and redesign projects where this component is specified in legacy designs.

Substiute Parts

EVM-ASGA00B12

Panasonic Electronic ComponentsIn Stock: 787EVM-ASGA00B12 Datasheet

Current PartRFQ

3306P-1-101

Bourns Inc.In Stock: 15643306P-1-101 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the EVM-ASGA00B12 is determined by the following critical parameters:

• Resistance Value: Must be 100 Ohms
• Power Rating: Minimum 0.3W (equal or greater acceptable)
• Tolerance: ±25% or better
• Temperature Coefficient: ±200ppm/°C or better (lower absolute value preferred)
• Number of Turns: 1 turn
• Adjustment Type: Top Adjustment
• Resistive Material: Cermet
• Moisture Sensitivity: MSL 1 or better

The 3306P-1-101 from Bourns Inc. meets the core electrical specifications for substitution. However, this part differs in mounting technology (through-hole with PC pins versus surface mount), which represents a significant design consideration requiring circuit board layout modification.

Parameter Comparison

Engineering Selection Recommendations

3306P-1-101 Substitution Considerations:

The 3306P-1-101 provides electrical equivalence in resistance, tolerance, and adjustment characteristics. The Bourns Trimpot® 3306 series maintains active product status with ROHS3 compliance, ensuring long-term availability and regulatory alignment.

Two critical design factors require evaluation:

1. Mounting Technology Transition: The substitute requires conversion from surface mount to through-hole PC pin termination. This necessitates circuit board redesign and assembly process modification.

2. Power Rating Differential: The substitute is rated at 0.2W versus the original 0.3W specification. Applications operating near the original power limit require thermal analysis to confirm the lower rating remains adequate.

The temperature coefficient variance (±250ppm/°C versus ±200ppm/°C) represents a minor performance degradation acceptable for most tuning applications where the original specification was not critical.

Frequently Asked Questions (FAQ)

Q: Can the 3306P-1-101 be used as a direct drop-in replacement for the EVM-ASGA00B12?

A: No. While electrically equivalent in resistance and tolerance, the mounting technology differs fundamentally. The original part uses surface mount termination; the substitute uses through-hole PC pins. Direct substitution requires circuit board redesign.

Q: What is the significance of the power rating difference (0.3W vs. 0.2W)?

A: Power rating determines maximum continuous dissipation without exceeding temperature limits. If the original design operates below 0.2W, the substitute is acceptable. Applications requiring the full 0.3W rating must be re-evaluated or alternative parts sourced.

Q: Are there compliance differences between these parts?

A: The EVM-ASGA00B12 is obsolete with unspecified RoHS status. The 3306P-1-101 is active and ROHS3 compliant, providing regulatory assurance for new designs and long-term availability.

Q: Does the temperature coefficient difference affect performance?

A: The 3306P-1-101 exhibits ±250ppm/°C versus the original ±200ppm/°C. This represents approximately 25% higher temperature sensitivity. For precision tuning applications with strict temperature stability requirements, this variance may be significant.

Q: What alternatives exist if through-hole mounting is not feasible?

A: Direct surface mount equivalents with identical specifications were not provided in the available substitute data. Alternative sourcing or custom procurement may be required for surface mount-only designs.