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Equivalent & Substitute Parts for 2N2219AL
Part Overview
The 2N2219AL (Microchip Technology) is a Bipolar (BJT) NPN transistor rated for 50 V collector-emitter breakdown voltage and 800 mA collector current, with TO-39 (TO-205AD) metal can packaging for through-hole mounting. Its product status is discontinued at Digi-Key, making it necessary to identify suitable substitute parts. Substituting is essential for production continuity, repair, and maintenance when legacy inventory is unavailable.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Transistor Type | NPN |
| Current - Collector (Ic) (Max) | 800 mA |
| Voltage - Collector Emitter Breakdown (Max) | 50 V |
| Vce Saturation (Max) @ Ib, Ic | 1V @ 50mA, 500mA |
| Current - Collector Cutoff (Max) | 10nA |
| DC Current Gain (hFE) (Min) @ Ic, Vce | 100 @ 150mA, 10V |
| Power - Max | 800 mW |
| Mounting Type | Through Hole |
| Package / Case | TO-205AD, TO-39-3 Metal Can |
Substitute Part Grouping Explanation
Substitution is based strictly on matching core parameters: transistor type (NPN), maximum collector current (Ic), voltage rating, collector cutoff current, DC current gain, saturation voltage, maximum power dissipation, mounting type, and package or case format. Only components that adhere to these mechanical and electrical characteristics are included as substitutes.
Parameter Comparison
| Parameter | 2N2219AL (Microchip Technology) | 2N2219A (Solid State Inc.) |
|---|---|---|
| Transistor Type | NPN | NPN |
| Current - Collector (Ic) (Max) | 800 mA | 800 mA |
| Voltage - Collector Emitter Breakdown (Max) | 50 V | 40 V |
| Vce Saturation (Max) @ Ib, Ic | 1V @ 50mA, 500mA | 1V @ 50mA, 500mA |
| Current - Collector Cutoff (Max) | 10nA | 10nA |
| DC Current Gain (hFE) (Min) @ Ic, Vce | 100 @ 150mA, 10V | 75 @ 10mA, 10V |
| Power - Max | 800 mW | 800 mW |
| Mounting Type | Through Hole | Through Hole |
| Package / Case | TO-205AD, TO-39-3 Metal Can | TO-205AD, TO-39-3 Metal Can |
Engineering Selection Recommendations
The 2N2219AL is discontinued at Digi-Key. Substitute 2N2219A from Solid State Inc. maintains active status and is ROHS3 compliant. The main product is RoHS non-compliant. When RoHS compliance is required for regulatory or environmental standards, substitution with 2N2219A should be selected strictly on compliance status and active inventory.
Frequently Asked Questions (FAQ)
Q: What criteria are required for a suitable substitute for 2N2219AL?
A: Substitutes must match transistor type (NPN), current and voltage ratings, saturation voltage, collector cutoff current, DC current gain, power rating, through-hole mounting, and TO-39 (TO-205AD) package.
Q: Is package compatibility essential for substitution?
A: Yes. Both main and substitute parts use TO-39 (TO-205AD) metal can package, ensuring layout and mechanical compatibility.
Q: Is RoHS compliance relevant for part selection?
A: Yes. When RoHS compliance is mandatory, select substitute parts with the appropriate certification status.
Q: Are substitute parts supported for the same collector current?
A: Both the 2N2219AL and 2N2219A are rated for a maximum collector current of 800 mA.
Q: What are the electrical differences between the main and substitute parts?
A: The substitute 2N2219A has a lower voltage rating (40 V vs. 50 V) and DC current gain at a different test point.
Q: Can the substitute parts be installed in the same board layouts?
A: Yes, as both use the TO-39-3 metal can with through-hole mounting.
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