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BAS116LT3G Equivalent & Substitute Parts
Part Overview
The BAS116LT3G is a general-purpose rectifier diode manufactured by onsemi, rated for 75 V DC reverse voltage and 200 mA average rectified current in a surface mount SOT-23-3 package. This component is classified as obsolete, which necessitates identification of active equivalent and substitute parts for ongoing design requirements and production continuity. The part is RoHS3 compliant with unlimited moisture sensitivity level (MSL 1) and operates across a junction temperature range of -55°C to 150°C.
Substiute Parts
Key Parameters
| Parameter | Value | Unit |
|---|---|---|
| Voltage - DC Reverse (Vr) (Max) | 75 | V |
| Current - Average Rectified (Io) | 200 | mA |
| Voltage - Forward (Vf) (Max) @ If | 1.25 @ 150 | V @ mA |
| Reverse Recovery Time (trr) | 3 | µs |
| Current - Reverse Leakage @ Vr | 5 | nA @ 75 V |
| Capacitance @ Vr, F | 2 | pF @ 0V, 1MHz |
| Package / Case | TO-236-3, SC-59, SOT-23-3 | — |
| Operating Temperature - Junction | -55 to 150 | °C |
| Mounting Type | Surface Mount | — |
| RoHS Status | ROHS3 Compliant | — |
Substitute Part Grouping Explanation
Substitution of the BAS116LT3G is determined by the following critical parameters:
Primary Substitution Criteria:
- Voltage - DC Reverse (Vr) (Max): 75 V minimum
- Current - Average Rectified (Io): 200 mA minimum
- Package / Case: TO-236-3, SC-59, SOT-23-3
- Mounting Type: Surface Mount
- Operating Temperature - Junction: -55°C to 150°C minimum range
Parametric Equivalents maintain identical electrical specifications across all key parameters, including reverse recovery time, forward voltage, reverse leakage current, and capacitance. These parts are direct functional replacements with no circuit redesign required.
Similar Parts share the same voltage and package specifications but differ in one or more electrical characteristics such as current rating, reverse recovery time, or leakage current. These parts are suitable for applications where the specified parameter variance does not impact circuit performance.
Parts are further differentiated by product status (Active vs. Obsolete), manufacturer, packaging format (Cut Tape vs. Tape & Reel), and automotive qualification where applicable.
Parameter Comparison
| Part Number | Manufacturer | Product Status | Vr (Max) [V] | Io [mA] | Vf (Max) @ If [V @ mA] | trr [µs/ns] | Ir @ Vr [nA/µA] | Package | Automotive Grade |
|---|---|---|---|---|---|---|---|---|---|
| BAS116LT3G | onsemi | Obsolete | 75 | 200 | 1.25 @ 150 | 3 µs | 5 nA @ 75V | SOT-23-3 | — |
| BAS116LT1G | onsemi | Active | 75 | 200 | 1.25 @ 150 | 3 µs | 5 nA @ 75V | SOT-23-3 | — |
| NSVBAS116LT3G | onsemi | Active | 75 | 200 | 1.25 @ 150 | 3 µs | 5 nA @ 75V | SOT-23-3 | AEC-Q101 |
| SBAS116LT1G | onsemi | Active | 75 | 200 | 1.25 @ 150 | 3 µs | 5 nA @ 75V | SOT-23-3 | — |
| BAS116,215 | Nexperia USA Inc. | Active | 75 | 215 | 1.25 @ 150 | 3 µs | 5 nA @ 75V | SOT-23-3 | AEC-Q100 |
| BAS116,235 | Nexperia USA Inc. | Active | 75 | 215 | 1.25 @ 150 | 3 µs | 5 nA @ 75V | SOT-23-3 | AEC-Q100 |
| BAS16-7-F | Diodes Incorporated | Active | 75 | 300 | 1.25 @ 150 | 4 ns | 1 µA @ 75V | SOT-23-3 | — |
| BAS19-E3-08 | Vishay General Semiconductor | Active | 100 | 200 | 1.25 @ 200 | 50 ns | 100 nA @ 100V | SOT-23-3 | — |
| MMBD4148-7-F | Diodes Incorporated | Active | 75 | 300 | 1.25 @ 150 | 4 ns | 1 µA @ 75V | SOT-23-3 | — |
| MMBD914-7-F | Diodes Incorporated | Active | 75 | 300 | 1.25 @ 150 | 4 ns | 1 µA @ 75V | SOT-23-3 | — |
| BAS116-AU_R1_000A1 | Panjit International Inc. | Active | 75 | 200 | 1.25 @ 150 | 3 µs | 5 nA @ 75V | SOT-23-3 | AEC-Q101 |
Engineering Selection Recommendations
Parametric Equivalents (Direct Replacements):
BAS116LT1G, NSVBAS116LT3G, SBAS116LT1G, and BAS116-AU_R1_000A1 are parametric equivalents with identical electrical specifications to the BAS116LT3G. All four parts are active products with RoHS3 compliance and unlimited MSL rating. Selection among these equivalents depends on packaging format (Cut Tape vs. Tape & Reel), automotive qualification requirements, and manufacturer availability.
NSVBAS116LT3G and BAS116-AU_R1_000A1 carry automotive-grade qualification (AEC-Q101), suitable for applications requiring automotive-level reliability and traceability. BAS116LT1G and SBAS116LT1G are standard industrial-grade equivalents without automotive qualification.
Similar Parts (Functional Alternatives):
BAS116,215 and BAS116,235 (Nexperia) provide 215 mA current rating versus the 200 mA specification of the BAS116LT3G, with identical voltage and forward characteristics. Both carry AEC-Q100 automotive qualification. These parts are suitable for applications where the increased current margin does not create thermal or circuit design conflicts.
BAS16-7-F, MMBD4148-7-F, and MMBD914-7-F (Diodes Incorporated) offer 300 mA current rating with fast recovery characteristics (4 ns trr) and higher reverse leakage (1 µA). These parts are suitable for applications requiring higher current capacity or faster switching performance.
BAS19-E3-08 (Vishay) provides 100 V reverse voltage rating with 200 mA current, suitable for applications requiring higher voltage margin while maintaining identical current specifications.
Compliance and Availability:
All substitute parts listed are RoHS3 compliant with MSL 1 (unlimited) rating. Inventory availability varies significantly, with BAS116,235 (Nexperia) showing the highest stock level at 116,588 units. Selection should account for supply chain requirements and lead time considerations.
Frequently Asked Questions (FAQ)
Q: Can BAS116LT1G be used as a direct replacement for the obsolete BAS116LT3G?
A: Yes. BAS116LT1G is a parametric equivalent with identical electrical specifications (75 V, 200 mA, 3 µs recovery time, 1.25 V forward voltage). The primary difference is packaging format: BAS116LT3G is supplied in Cut Tape format, while BAS116LT1G is supplied in Tape & Reel format. Both are RoHS3 compliant with unlimited MSL rating.
Q: What is the difference between parametric equivalents and similar parts?
A: Parametric equivalents maintain all electrical specifications identical to the BAS116LT3G, including current rating, recovery time, and leakage current. Similar parts share the same voltage and package but differ in one or more electrical characteristics. For example, BAS116,235 provides higher current (215 mA) while maintaining other specifications, whereas BAS16-7-F provides higher current (300 mA) with faster recovery time (4 ns).
Q: Are automotive-qualified versions available?
A: Yes. NSVBAS116LT3G and BAS116-AU_R1_000A1 are automotive-grade equivalents with AEC-Q101 qualification. Additionally, BAS116,215 and BAS116,235 (Nexperia) carry AEC-Q100 automotive qualification with slightly higher current ratings (215 mA).
Q: Can I use a higher current-rated part as a substitute?
A: Yes, provided the application circuit does not require the lower current specification for current-limiting or protection functions. BAS16-7-F, MMBD4148-7-F, and MMBD914-7-F all provide 300 mA rating in the same SOT-23-3 package and are suitable for applications where increased current capacity is acceptable or beneficial.
Q: What is the significance of reverse recovery time differences?
A: The BAS116LT3G specifies 3 µs reverse recovery time (small signal diode). Faster recovery alternatives such as BAS16-7-F (4 ns) are suitable for high-frequency switching applications. Standard recovery parts such as BAS116,215 maintain the 3 µs specification and are appropriate for general-purpose rectification without frequency constraints.
Q: Are all substitute parts available in the same SOT-23-3 package?
A: Yes. All substitute parts listed are supplied in TO-236-3 / SC-59 / SOT-23-3 surface mount packages, ensuring mechanical and electrical compatibility with existing PCB layouts and assembly processes.
Q: What packaging formats are available?
A: BAS116LT3G is supplied in Cut Tape (CT) & Digi-Reel format. Parametric equivalents BAS116LT1G, NSVBAS116LT3G, SBAS116LT1G, and BAS116-AU_R1_000A1 are supplied in Tape & Reel (TR) format. Similar parts from Diodes Incorporated (BAS16-7-F, MMBD4148-7-F, MMBD914-7-F) are supplied in Cut Tape format. Nexperia parts (BAS116,215, BAS116,235) and Vishay part (BAS19-E3-08) are supplied in Tape & Reel format.
Q: Which substitute offers the best inventory availability?
A: BAS116,235 (Nexperia) offers the highest inventory level at 116,588 units. BAS116LT1G (onsemi) provides 17,300 units. For immediate availability with parametric equivalence, BAS116LT1G is the recommended choice among onsemi products.
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