Equivalent & Substitute Parts Reference for 2SA1909

Part Overview

The Sanken Electric USA Inc. 2SA1909 is a PNP bipolar junction transistor (BJT) in the Transistors, Bipolar (BJT) category, suitable for through-hole mounting in the TO-3P-3 Full Pack package. This device supports a collector current of up to 10 A, a collector-emitter breakdown voltage of 140 V, and offers a 20MHz transition frequency. The 2SA1909 is currently listed as active with 715 pieces in stock, RoHS compliant, and holds a Moisture Sensitivity Level (MSL) of 1 (Unlimited). Finding alternatives may be necessary to support long-term design requirements, ensure supply chain security, or facilitate replacement in existing applications.

Substiute Parts

2SA1909

Sanken Electric USA Inc.In Stock: 8152SA1909 Datasheet

Current PartRFQ

2SA1695

Sanken Electric USA Inc.In Stock: 23842SA1695 Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution for 2SA1909 is determined strictly by matching the following allowed parameters: transistor type (PNP), collector current (10 A), collector-emitter breakdown voltage (140 V), Vce saturation (max), current cutoff (max), DC current gain (min), maximum power dissipation, transition frequency, operating temperature, mounting type, package/case format, RoHS compliance, and Moisture Sensitivity Level. All listed substitutes (such as 2SA1695) adhere to these parameters, ensuring compatibility within permitted specifications.

Parameter Comparison

Engineering Selection Recommendations

Both 2SA1909 and 2SA1695 are active status transistors, RoHS compliant, and have a Moisture Sensitivity Level of 1 (Unlimited). They share equivalent ECCN and HTSUS classifications, assuring similar regulatory handling. The 2SA1695 offers a compatible package and matching electrical performance, with a maximum power rating exceeding that of 2SA1909. Device selection may be based on part availability, inventory levels, or compliance factors.

Frequently Asked Questions (FAQ)

Q1: What electrical parameters must match for substituting the 2SA1909?
A1: Substitution requires matching transistor type (PNP), collector current (10 A), collector-emitter breakdown voltage (140 V), Vce saturation (max), collector cutoff current (max), DC current gain (min), power dissipation, transition frequency, and operating temperature.

Q2: Are package and mounting types important for direct replacement?
A2: Yes, the mounting type (Through Hole) and package/case (TO-3P-3 Full Pack) must be identical for direct substitution in existing PCB footprints.

Q3: What compliance factors should be considered when selecting a substitute?
A3: RoHS compliance and Moisture Sensitivity Level (MSL) assure environmental safety and manufacturability requirements. ECCN and HTSUS classifications are relevant for export and regulatory considerations.

Q4: Can the substitute part, 2SA1695, be used in place of 2SA1909?
A4: Yes, 2SA1695 matches all permitted substitution criteria and offers a higher maximum power rating while retaining identical core electrical and mechanical parameters.

Q5: Is product status relevant in substitute selection?
A5: Active product status ensures ongoing availability and supply chain support for component replacement or design continuity.