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2SA1725 Equivalent & Substitute Parts
Part Overview
The 2SA1725 from Sanken Electric USA Inc. is a PNP bipolar junction transistor (BJT) designed for 80V, 6A operation, packaged in a TO-220F full pack through-hole case. This component features a collector-emitter breakdown voltage of 80V, a maximum collector current of 6A, a maximum power dissipation of 30W, a DC current gain (hFE) minimum of 50 at 2A, 4V, and a transition frequency of 20MHz. The part is currently active, with ROHS3 compliance and unlimited moisture sensitivity level (MSL 1).
Finding alternative models such as the MJF2955G is necessary to assure continuous production and inventory resilience in the event of supply chain disruptions, stock shortages, or long-term product lifecycle planning.
Substiute Parts
Key Parameters
| Manufacturer Part Number | Transistor Type | Current - Collector (Ic) (Max) | Voltage - Collector Emitter Breakdown (Max) | Vce Saturation (Max) | Current - Collector Cutoff (Max) | DC Current Gain (hFE) (Min) | Power - Max | Frequency - Transition | Operating Temperature | Mounting Type | Package / Case | RoHS Status | Moisture Sensitivity Level (MSL) | Product Status |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2SA1725 | PNP | 6 A | 80 V | 500mV @ 200mA, 2A | 10µA | 50 @ 2A, 4V | 30 W | 20MHz | 150°C (TJ) | Through Hole | TO-220-3 Full Pack (TO-220F) | ROHS3 Compliant | 1 (Unlimited) | Active |
| MJF2955G | PNP | 10 A | 90 V | 2.5V @ 3.3A, 10A | 1µA | 20 @ 4A, 4V | 2 W | 2MHz | -55°C ~ 150°C (TJ) | Through Hole | TO-220-3 Full Pack (TO-220FP) | ROHS3 Compliant | Not Applicable | Active |
Substitute Part Grouping Explanation
Substitution is determined strictly based on matching key electrical and mechanical parameters within the bipolar BJT transistor category. The parameters used for establishing equivalence include transistor type (PNP), maximum collector current (Ic), voltage rating (Vce breakdown), Vce saturation voltage, collector cutoff current, minimum DC current gain (hFE), maximum power dissipation, transition frequency, operating temperature range, package/case style, mounting type, RoHS compliance, moisture sensitivity level (MSL), and product status. Parts are grouped as substitutes only when these parameters are clearly defined and provided.
Parameter Comparison
| Manufacturer Part Number | Transistor Type | Current - Collector (Ic) (Max) | Voltage - Collector Emitter Breakdown (Max) | Vce Saturation (Max) | Current - Collector Cutoff (Max) | DC Current Gain (hFE) (Min) | Power - Max | Frequency - Transition | Operating Temperature | Mounting Type | Package / Case | RoHS Status | Product Status |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2SA1725 | PNP | 6 A | 80 V | 500mV @ 200mA, 2A | 10µA | 50 @ 2A, 4V | 30 W | 20MHz | 150°C (TJ) | Through Hole | TO-220-3 Full Pack (TO-220F) | ROHS3 Compliant | Active |
| MJF2955G | PNP | 10 A | 90 V | 2.5V @ 3.3A, 10A | 1µA | 20 @ 4A, 4V | 2 W | 2MHz | -55°C ~ 150°C (TJ) | Through Hole | TO-220-3 Full Pack (TO-220FP) | ROHS3 Compliant | Active |
Engineering Selection Recommendations
Both 2SA1725 and MJF2955G are active status, RoHS3 compliant, through-hole mounting type, and supplied in TO-220-3 Full Pack style packages. Moisture sensitivity is at MSL 1 (Unlimited) for the 2SA1725 and is not applicable for the MJF2955G. Both conform to global environmental compliance requirements for new designs and supply chain continuity.
Frequently Asked Questions (FAQ)
Q1: What criteria are used to evaluate if MJF2955G is a substitute for 2SA1725?
A1: Substitution is based on PNP polarity, maximum collector current, voltage rating, saturation voltage, DC current gain, power dissipation, transition frequency, operating temperature, mounting type, package/case, RoHS compliance, and product status.
Q2: Are the package types for both parts equivalent?
A2: Both parts are supplied in TO-220-3 Full Pack (also noted as TO-220F or TO-220FP), supporting through-hole mounting, indicating equivalent mechanical fit.
Q3: Are all key compliance certifications covered by both devices?
A3: Both 2SA1725 and MJF2955G are RoHS3 compliant and listed as active, permitting usage in regulated electronic equipment.
Q4: Does moisture sensitivity level (MSL) affect direct substitution between these parts?
A4: 2SA1725 lists MSL 1 (Unlimited), while MJF2955G is designated as not applicable for MSL. This parameter does not restrict substitution for most through-hole device applications.
Q5: Are there any notable differences in key parameters?
A5: Differences include maximum collector current, voltage, Vce saturation, power dissipation, DC current gain, and transition frequency. These parameters should be reviewed in the design context.
Q6: Is the substitute MJF2955G considered fully equivalent in all datasheet parameters to 2SA1725?
A6: Only electrical, mechanical, and compliance parameters provided in this comparison are considered for substitution. This reference does not evaluate parameters not explicitly listed.
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