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SI2324-TP Equivalent & Substitute Parts
Part Overview
The SI2324-TP is an N-Channel enhancement-mode MOSFET manufactured by Micro Commercial Co, rated for 100V drain-to-source voltage with 2A continuous drain current and 1.2W power dissipation in a surface mount SOT-23 package. This device is classified as obsolete, necessitating identification of active equivalent parts for ongoing design support and procurement continuity. The SI2324A-TP serves as the direct manufacturer-recommended substitute, offering identical electrical ratings with improved availability and active product status.
Substiute Parts
Key Parameters
| Parameter | Value | Unit |
|---|---|---|
| FET Type | N-Channel | — |
| Technology | MOSFET (Metal Oxide) | — |
| Drain to Source Voltage (Vdss) | 100 | V |
| Current - Continuous Drain (Id) @ 25°C | 2 | A |
| Power Dissipation (Max) | 1.2 | W |
| Mounting Type | Surface Mount | — |
| Package / Case | TO-236-3, SC-59, SOT-23-3 | — |
| Operating Temperature Range | -55 to 150 | °C (TJ) |
| Vgs (Max) | ±20 | V |
Substitute Part Grouping Explanation
Substitution of the SI2324-TP with the SI2324A-TP is based on equivalence across all critical electrical and mechanical parameters. Both devices share identical drain-to-source voltage ratings (100V), continuous drain current specifications (2A), maximum power dissipation (1.2W), gate voltage limits (±20V), operating temperature range (-55°C to 150°C), and surface mount SOT-23 packaging. The substitution is valid because the SI2324A-TP maintains the same base product number (SI2324) and is manufactured by the same supplier, confirming design compatibility. The primary distinction is product status: SI2324-TP is obsolete while SI2324A-TP is active, with SI2324A-TP offering superior availability and compliance certifications (RoHS3 Compliant, REACH Unaffected, MSL 1).
Parameter Comparison
| Parameter | SI2324-TP (Main) | SI2324A-TP (Substitute) | Unit |
|---|---|---|---|
| Manufacturer | Micro Commercial Co | Micro Commercial Co | — |
| FET Type | N-Channel | N-Channel | — |
| Technology | MOSFET (Metal Oxide) | MOSFET (Metal Oxide) | — |
| Drain to Source Voltage (Vdss) | 100 | 100 | V |
| Current - Continuous Drain (Id) @ 25°C | 2 | 2 | A |
| Drive Voltage (Max Rds On, Min Rds On) | 4.5V, 10V | 4.5V, 10V | — |
| Vgs(th) (Max) @ Id | 2.8V @ 250µA | 2V @ 250µA | — |
| Vgs (Max) | ±20 | ±20 | V |
| Power Dissipation (Max) | 1.2 | 1.2 | W |
| Operating Temperature Range | -55 to 150 | -55 to 150 | °C (TJ) |
| Mounting Type | Surface Mount | Surface Mount | — |
| Package / Case | TO-236-3, SC-59, SOT-23-3 | TO-236-3, SC-59, SOT-23-3 | — |
| Product Status | Obsolete | Active | — |
| RoHS Status | Not specified | ROHS3 Compliant | — |
| Moisture Sensitivity Level (MSL) | Not specified | 1 (Unlimited) | — |
Engineering Selection Recommendations
The SI2324A-TP is the appropriate selection for new designs and procurement activities. This part maintains full electrical and mechanical compatibility with the obsolete SI2324-TP while offering active product status, ensuring long-term supply chain reliability. The SI2324A-TP carries RoHS3 compliance and REACH unaffected status, meeting current regulatory requirements for electronic component manufacturing and distribution. Moisture sensitivity level 1 (unlimited) indicates no special storage or handling requirements beyond standard component practices. The active status of SI2324A-TP, combined with documented inventory availability (206,070 pieces), provides assurance of continued component accessibility for production and field replacement applications.
Frequently Asked Questions (FAQ)
Q: Can SI2324A-TP directly replace SI2324-TP in existing designs?
A: Yes. Both devices share identical electrical specifications (100V Vdss, 2A continuous drain current, 1.2W power dissipation), gate voltage limits (±20V), operating temperature range (-55°C to 150°C), and surface mount SOT-23 packaging. No circuit modifications are required.
Q: What is the primary reason for substitution?
A: The SI2324-TP is classified as obsolete. The SI2324A-TP is the manufacturer-recommended active equivalent, ensuring continued availability and compliance with current regulatory standards.
Q: Are there packaging differences between these parts?
A: Both parts use identical surface mount SOT-23 packaging (TO-236-3, SC-59, SOT-23-3). The SI2324A-TP is supplied in Tape & Reel (TR) format, which is standard for high-volume production environments.
Q: What compliance certifications does SI2324A-TP carry?
A: SI2324A-TP is RoHS3 compliant and REACH unaffected. It carries moisture sensitivity level 1, indicating unlimited shelf life under standard storage conditions.
Q: Are there any electrical parameter differences that affect circuit performance?
A: Minor variations exist in gate threshold voltage (Vgs(th): 2.8V vs. 2V @ 250µA) and on-resistance specifications (Rds On: 234mOhm vs. 280mOhm @ specified conditions). These differences remain within acceptable tolerances for typical switching applications and do not require circuit redesign.
Q: What inventory status should be considered for procurement?
A: SI2324-TP has 1,087 pieces in stock but is obsolete. SI2324A-TP has 206,070 pieces in stock and active status, providing superior long-term procurement reliability.
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