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BAV23CLT3G Equivalent & Substitute Parts
Part Overview
The BAV23CLT3G is a general-purpose diode array manufactured by onsemi, configured as a 1 Pair Common Cathode design rated for 250 V DC reverse voltage and 400 mA average rectified current per diode. The device is housed in a SOT-23-3 (TO-236-3, SC-59) surface mount package and features fast recovery characteristics with a reverse recovery time of 150 ns.
The BAV23CLT3G is classified as obsolete. Equivalent and substitute parts are necessary to maintain design continuity and ensure component availability for new production runs and field replacements.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Diode Configuration | 1 Pair Common Cathode |
| Voltage - DC Reverse (Vr) (Max) | 250 V |
| Current - Average Rectified (Io) (per Diode) | 400 mA (DC) |
| Voltage - Forward (Vf) (Max) @ If | 1.25 V @ 200 mA |
| Speed | Fast Recovery ≤ 500 ns, > 200 mA (Io) |
| Reverse Recovery Time (trr) | 150 ns |
| Current - Reverse Leakage @ Vr | 100 nA @ 250 V |
| Operating Temperature - Junction | -55°C ~ 150°C |
| Mounting Type | Surface Mount |
| Package / Case | TO-236-3, SC-59, SOT-23-3 |
| RoHS Status | ROHS3 Compliant |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
Substitute Part Grouping Explanation
Substitution of the BAV23CLT3G is determined by the following critical parameters:
Mandatory Matching Parameters:
- Diode Configuration: 1 Pair Common Cathode
- Mounting Type: Surface Mount
- Package / Case: TO-236-3, SC-59, SOT-23-3
- Voltage - DC Reverse (Vr) (Max): 250 V minimum
- Current - Average Rectified (Io) (per Diode): 400 mA minimum
- Voltage - Forward (Vf) (Max) @ If: 1.25 V @ 200 mA maximum
- Speed: Fast Recovery ≤ 500 ns, > 200 mA (Io)
- RoHS Status: ROHS3 Compliant
Substitute parts are grouped into two categories:
Parametric Equivalent: Parts that match all critical electrical and mechanical parameters of the BAV23CLT3G, including voltage rating, current rating, and recovery time specifications. These parts provide direct functional replacement.
Similar Parts: Parts that share the same package, configuration, and base electrical characteristics but may have reduced voltage or current ratings, or different recovery time specifications. These parts are suitable for applications with less stringent electrical requirements than the original design specification.
Parameter Comparison
| Parameter | BAV23CLT3G (Main) | NSVBAV23CLT1G (Parametric Equivalent) | BAV23C-7-F (Similar) | BAV23C-E3-08 (Similar) | BAV23CQ-13-F (Similar) | BAV23CQ-7-F (Similar) |
|---|---|---|---|---|---|---|
| Manufacturer | onsemi | onsemi | Diodes Incorporated | Vishay General Semiconductor - Diodes Division | Diodes Incorporated | Diodes Incorporated |
| Product Status | Obsolete | Active | Active | Active | Active | Active |
| Diode Configuration | 1 Pair Common Cathode | 1 Pair Common Cathode | 1 Pair Common Cathode | 1 Pair Common Cathode | 1 Pair Common Cathode | 1 Pair Common Cathode |
| Voltage - DC Reverse (Vr) (Max) | 250 V | 250 V | 200 V | 200 V | 200 V | 250 V |
| Current - Average Rectified (Io) (per Diode) | 400 mA (DC) | 400 mA (DC) | 400 mA (DC) | 200 mA | 400 mA (DC) | 400 mA (DC) |
| Voltage - Forward (Vf) (Max) @ If | 1.25 V @ 200 mA | 1.25 V @ 200 mA | 1.25 V @ 200 mA | 1.25 V @ 200 mA | 1.25 V @ 200 mA | 1.25 V @ 200 mA |
| Speed | Fast Recovery ≤ 500 ns, > 200 mA (Io) | Fast Recovery ≤ 500 ns, > 200 mA (Io) | Fast Recovery ≤ 500 ns, > 200 mA (Io) | Fast Recovery ≤ 500 ns, > 200 mA (Io) | Fast Recovery ≤ 500 ns, > 200 mA (Io) | Fast Recovery ≤ 500 ns, > 200 mA (Io) |
| Reverse Recovery Time (trr) | 150 ns | 150 ns | 50 ns | 50 ns | 50 ns | 50 ns |
| Current - Reverse Leakage @ Vr | 100 nA @ 250 V | 100 nA @ 200 V | 100 nA @ 200 V | 100 nA @ 200 V | 100 nA @ 200 V | 100 nA @ 200 V |
| Operating Temperature - Junction | -55°C ~ 150°C | -55°C ~ 150°C | -65°C ~ 150°C | 150°C (Max) | -65°C ~ 150°C | -65°C ~ 150°C |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Package / Case | TO-236-3, SC-59, SOT-23-3 | TO-236-3, SC-59, SOT-23-3 | TO-236-3, SC-59, SOT-23-3 | TO-236-3, SC-59, SOT-23-3 | TO-236-3, SC-59, SOT-23-3 | TO-236-3, SC-59, SOT-23-3 |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) |
| Grade | Standard | Standard | Standard | Standard | Automotive | Automotive |
| Qualification | None Listed | None Listed | None Listed | None Listed | AEC-Q101 | AEC-Q101 |
Engineering Selection Recommendations
NSVBAV23CLT1G (Parametric Equivalent - Recommended Primary Substitute)
The NSVBAV23CLT1G is manufactured by onsemi and provides parametric equivalence to the BAV23CLT3G. This part maintains identical electrical specifications including 250 V DC reverse voltage rating, 400 mA average rectified current, and 150 ns reverse recovery time. The NSVBAV23CLT1G is classified as Active product status, ensuring long-term availability. Both parts are ROHS3 Compliant and carry MSL 1 (Unlimited) moisture sensitivity rating. The primary difference is packaging format: NSVBAV23CLT1G is supplied in Tape & Reel (TR) format, whereas BAV23CLT3G was supplied in standard packaging. This part is suitable for direct replacement in applications requiring the full 250 V voltage specification.
BAV23CQ-7-F (Similar - Automotive Grade Alternative)
The BAV23CQ-7-F is manufactured by Diodes Incorporated and maintains the 250 V DC reverse voltage and 400 mA current rating of the BAV23CLT3G. This part is qualified to AEC-Q101 automotive standards and carries Automotive grade designation. The BAV23CQ-7-F features a reduced reverse recovery time of 50 ns compared to the BAV23CLT3G specification of 150 ns, which represents improved switching performance. Operating temperature range extends to -65°C minimum, providing enhanced low-temperature performance. This part is suitable for applications requiring automotive qualification or improved switching characteristics within the same voltage and current envelope.
BAV23C-7-F (Similar - Standard Grade Alternative)
The BAV23C-7-F is manufactured by Diodes Incorporated with a reduced voltage rating of 200 V DC reverse voltage. This part maintains the 400 mA average rectified current and 1.25 V forward voltage specification. The reverse recovery time is 50 ns, providing faster switching than the BAV23CLT3G. Operating temperature range extends to -65°C minimum. This part is suitable for applications where the 250 V voltage specification is not required and where reduced reverse recovery time is beneficial.
BAV23C-E3-08 (Similar - Reduced Current Rating)
The BAV23C-E3-08 is manufactured by Vishay General Semiconductor - Diodes Division with a reduced current rating of 200 mA average rectified current per diode. The voltage rating is 200 V DC reverse. This part is suitable only for applications with current requirements not exceeding 200 mA and voltage requirements not exceeding 200 V.
BAV23CQ-13-F (Similar - Automotive Grade, Reduced Voltage)
The BAV23CQ-13-F is manufactured by Diodes Incorporated with a reduced voltage rating of 200 V DC reverse voltage. This part maintains the 400 mA average rectified current and is qualified to AEC-Q101 automotive standards. The reverse recovery time is 50 ns. This part is suitable for automotive applications with voltage requirements not exceeding 200 V.
Frequently Asked Questions (FAQ)
Q: Can NSVBAV23CLT1G be used as a direct replacement for BAV23CLT3G?
A: Yes. The NSVBAV23CLT1G is a parametric equivalent with identical electrical specifications: 250 V DC reverse voltage, 400 mA average rectified current per diode, 1.25 V forward voltage at 200 mA, and 150 ns reverse recovery time. Both parts use the SOT-23-3 package and are ROHS3 Compliant. The primary difference is packaging format (Tape & Reel versus standard packaging). Electrical performance and functional characteristics are equivalent.
Q: What is the difference between parametric equivalent and similar parts?
A: Parametric equivalent parts match all critical electrical and mechanical specifications of the original part, including voltage rating, current rating, and recovery time. Similar parts share the same package and configuration but may have reduced voltage or current ratings, or different recovery time specifications. Similar parts are suitable for applications with less stringent electrical requirements than the original design specification.
Q: Can BAV23C-7-F replace BAV23CLT3G in all applications?
A: No. The BAV23C-7-F has a reduced voltage rating of 200 V DC reverse voltage compared to the BAV23CLT3G specification of 250 V. This part is suitable only for applications where the circuit voltage does not exceed 200 V. The BAV23C-7-F maintains the 400 mA current rating and provides improved reverse recovery time of 50 ns.
Q: Are automotive-grade parts (BAV23CQ-7-F, BAV23CQ-13-F) suitable for non-automotive applications?
A: Yes. Automotive-grade parts with AEC-Q101 qualification meet or exceed the electrical and reliability requirements of standard-grade parts. These parts are suitable for any application where the electrical specifications match the design requirements, regardless of automotive qualification status.
Q: What is the significance of reverse recovery time differences between parts?
A: Reverse recovery time (trr) affects switching speed and switching losses. The BAV23CLT3G specifies 150 ns reverse recovery time. Similar parts such as BAV23C-7-F and BAV23CQ-7-F specify 50 ns, representing faster switching performance. Faster recovery time reduces switching losses and may improve circuit efficiency. However, the BAV23CLT3G specification of 150 ns is within the Fast Recovery category (≤ 500 ns), and all substitute parts meet this classification.
Q: Does packaging format affect electrical performance?
A: No. Packaging format (Tape & Reel, Cut Tape, standard packaging) does not affect electrical performance or functional characteristics. Packaging format affects handling, storage, and assembly processes. The NSVBAV23CLT1G and BAV23CLT3G are electrically equivalent despite different packaging formats.
Q: Can BAV23C-E3-08 be used in applications designed for BAV23CLT3G?
A: No. The BAV23C-E3-08 has a reduced current rating of 200 mA average rectified current per diode, compared to the BAV23CLT3G specification of 400 mA. This part is suitable only for applications with current requirements not exceeding 200 mA. Using this part in a 400 mA application would result in device overstress and potential failure.
Q: What does ROHS3 Compliant status indicate?
A: ROHS3 Compliant indicates the part meets Restriction of Hazardous Substances Directive 3 requirements, restricting the use of specific hazardous materials in electrical and electronic equipment. All substitute parts listed are ROHS3 Compliant, ensuring environmental and regulatory compliance.
Q: What is Moisture Sensitivity Level (MSL) 1?
A: MSL 1 (Unlimited) indicates the part has unlimited shelf life and does not require special moisture control during storage or handling. All parts listed carry MSL 1 rating, indicating no special moisture management procedures are required.
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