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AS9013-L-HF Equivalent & Substitute Parts
Part Overview
The AS9013-L-HF is an NPN bipolar junction transistor manufactured by Comchip Technology, designed for surface mount applications in the SOT-23-3 package. This device operates at a maximum collector current of 500 mA, collector-emitter breakdown voltage of 25 V, and maximum power dissipation of 300 mW. The part is classified as Last Time Buy, indicating discontinued production status. Equivalent and substitute parts are necessary to maintain design continuity and ensure component availability for ongoing production and repair applications.
Substiute Parts
Key Parameters
| Parameter | Value | Unit |
|---|---|---|
| Transistor Type | NPN | — |
| Current - Collector (Ic) Max | 500 | mA |
| Voltage - Collector Emitter Breakdown (Max) | 25 | V |
| Vce Saturation (Max) @ Ib, Ic | 600 mV @ 50 mA, 500 mA | — |
| Current - Collector Cutoff (Max) | 100 | nA |
| DC Current Gain (hFE) Min @ Ic, Vce | 120 @ 50 mA, 1 V | — |
| Power - Max | 300 | mW |
| Frequency - Transition | 150 | MHz |
| Operating Temperature (TJ) | 150 | °C |
| Package / Case | TO-236-3, SC-59, SOT-23-3 | — |
| Mounting Type | Surface Mount | — |
| RoHS Status | ROHS3 Compliant | — |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) | — |
Substitute Part Grouping Explanation
Substitution of the AS9013-L-HF is determined by electrical and mechanical parameter compatibility within the NPN bipolar junction transistor category. The critical parameters governing substitution are:
Electrical Parameters:
- Collector current rating (Ic Max): 500 mA minimum
- Collector-emitter breakdown voltage (Vceo Max): 25 V minimum
- DC current gain (hFE): 120 minimum at specified conditions
- Transition frequency: 150 MHz minimum
- Power dissipation: 300 mW minimum
- Saturation voltage characteristics: 600 mV maximum at 50 mA, 500 mA
Mechanical Parameters:
- Package type: SOT-23-3 (TO-236-3, SC-59)
- Mounting type: Surface Mount
- Supplier device package: SOT-23-3 or equivalent
Compliance Parameters:
- RoHS3 compliance required
- MSL rating: 1 (Unlimited)
Substitute parts must meet or exceed all electrical specifications and maintain identical mechanical compatibility. Parts with higher ratings in collector current, voltage, or power dissipation are acceptable substitutes. Parts with lower ratings are not suitable.
Parameter Comparison
| Manufacturer Part Number | Manufacturer | Ic Max (mA) | Vceo Max (V) | Power Max (mW) | hFE Min @ Ic, Vce | Vce Sat Max @ Ib, Ic | fT (MHz) | Package | Product Status |
|---|---|---|---|---|---|---|---|---|---|
| AS9013-L-HF | Comchip Technology | 500 | 25 | 300 | 120 @ 50 mA, 1 V | 600 mV @ 50 mA, 500 mA | 150 | SOT-23-3 | Last Time Buy |
| 2SD1781KFRAT146R | Rohm Semiconductor | 800 | 32 | 200 | 120 @ 100 mA, 3 V | 400 mV @ 50 mA, 500 mA | 150 | SOT-23-3 | Not For New Designs |
| MMS8050HE3-L-TP | Micro Commercial Co | 500 | 25 | 300 | 120 @ 50 mA, 1 V | 600 mV @ 50 mA, 500 mA | 150 | SOT-23-3 | Active |
| MMS9013HE3-L-TP | Micro Commercial Co | 500 | 25 | 300 | 120 @ 50 mA, 1 V | 600 mV @ 50 mA, 500 mA | 150 | SOT-23-3 | Active |
| S8050 | EVVO Semi | 500 | 25 | 300 | 120 @ 50 mA, 1 V | 600 mV @ 50 mA, 500 mA | 150 | SOT-23-3 | Active |
| S9013 | EVVO Semi | 500 | 25 | 300 | 120 @ 50 mA, 1 V | 600 mV @ 50 mA, 500 mA | 150 | SOT-23-3 | Active |
Engineering Selection Recommendations
Parametric Equivalents (Identical Electrical and Mechanical Specifications):
The parts MMS8050HE3-L-TP, MMS9013HE3-L-TP, S8050, and S9013 are parametric equivalents to the AS9013-L-HF. These devices match all critical electrical parameters and package specifications. MMS8050HE3-L-TP and MMS9013HE3-L-TP carry Active product status and AEC-Q101 automotive qualification, making them suitable for new designs and production applications. S8050 and S9013 from EVVO Semi maintain Active status with identical electrical characteristics and are available in high inventory quantities.
Functional Substitute (Higher Ratings):
The 2SD1781KFRAT146R from Rohm Semiconductor provides higher collector current (800 mA) and collector-emitter breakdown voltage (32 V) ratings, making it functionally compatible for applications requiring additional design margin. However, this part carries Not For New Designs status and is classified as automotive with AEC-Q101 qualification. The lower power dissipation rating (200 mW versus 300 mW) requires thermal evaluation in high-power applications.
Product Status Considerations:
The AS9013-L-HF is Last Time Buy. For ongoing production, MMS8050HE3-L-TP, MMS9013HE3-L-TP, S8050, and S9013 are recommended as they maintain Active status. All substitute parts are RoHS3 compliant with MSL rating of 1 (Unlimited).
Frequently Asked Questions (FAQ)
Q: Can MMS8050HE3-L-TP directly replace AS9013-L-HF in existing designs?
A: Yes. MMS8050HE3-L-TP is a parametric equivalent with identical electrical specifications (500 mA Ic, 25 V Vceo, 300 mW power, 150 MHz fT) and SOT-23-3 package. No circuit modifications are required.
Q: What is the difference between S8050 and S9013?
A: Both parts from EVVO Semi are parametric equivalents with identical electrical and mechanical specifications. The designation difference reflects manufacturer part numbering conventions. Both are suitable for direct substitution.
Q: Why does 2SD1781KFRAT146R have lower power dissipation (200 mW) than the original part (300 mW)?
A: The 2SD1781KFRAT146R is rated for higher collector current (800 mA) and voltage (32 V), but the maximum power dissipation specification is 200 mW. Applications requiring the full 300 mW dissipation capability must use parametric equivalents (MMS8050HE3-L-TP, MMS9013HE3-L-TP, S8050, or S9013).
Q: Are all substitute parts RoHS3 compliant?
A: Yes. All listed substitute parts carry RoHS3 compliance status and MSL rating of 1 (Unlimited), matching the original AS9013-L-HF specifications.
Q: Which substitute part is recommended for new automotive designs?
A: MMS8050HE3-L-TP or MMS9013HE3-L-TP are recommended for new automotive designs. Both carry AEC-Q101 qualification, Active product status, and identical electrical specifications to the AS9013-L-HF.
Q: Can I use a substitute part with higher voltage rating (32 V) in a 25 V application?
A: Yes. The 2SD1781KFRAT146R with 32 V Vceo rating is functionally compatible in 25 V applications. Higher voltage ratings provide additional design margin. However, verify that the lower power dissipation rating (200 mW) is acceptable for your thermal requirements.
Q: What is the difference between Cut Tape and Tape & Reel packaging?
A: Both are surface mount packaging formats suitable for automated assembly. Tape & Reel (TR) is standard for high-volume production. Cut Tape (CT) is used for lower-volume or manual assembly applications. Electrical and mechanical specifications remain identical.
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