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BAT42WS-G3-08 Equivalent & Substitute Parts
Part Overview
The BAT42WS-G3-08 is a Schottky diode rated for 30 V DC reverse voltage and 200 mA average rectified current in a surface mount SOD-323 package. Manufactured by Vishay General Semiconductor - Diodes Division, this component is classified as Active product status and is RoHS3 compliant. The BAT42WS-G3-08 is used in applications requiring small signal rectification, switching, and signal detection where low forward voltage drop and fast switching characteristics are essential. Equivalent and substitute parts are identified to support design flexibility, supply chain continuity, and application-specific requirements such as automotive qualification or alternative packaging formats.
Substiute Parts
Key Parameters
| Parameter | Value | Unit |
|---|---|---|
| Voltage - DC Reverse (Vr) (Max) | 30 | V |
| Current - Average Rectified (Io) | 200 | mA |
| Voltage - Forward (Vf) (Max) @ If | 650 mV @ 50 mA | mV @ mA |
| Reverse Recovery Time (trr) | 5 | ns |
| Current - Reverse Leakage @ Vr | 500 nA @ 25 V | nA @ V |
| Capacitance @ Vr, F | 7 | pF @ 1V, 1MHz |
| Operating Temperature - Junction (Max) | 125 | °C |
| Package / Case | SC-76, SOD-323 | — |
| Mounting Type | Surface Mount | — |
| Technology | Schottky | — |
| RoHS Status | ROHS3 Compliant | — |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) | — |
Substitute Part Grouping Explanation
Substitute parts for the BAT42WS-G3-08 are grouped based on strict electrical and mechanical parameter matching. The primary substitution criteria are:
Critical Parameters for Substitution:
- Voltage - DC Reverse (Vr) (Max): 30 V
- Current - Average Rectified (Io): 200 mA
- Package / Case: SC-76, SOD-323
- Mounting Type: Surface Mount
- Technology: Schottky
- RoHS Status: ROHS3 Compliant
Parametric Equivalent Group: Parts BAT42WS-E3-08 and BAT42WS-HE3-08 are direct parametric equivalents manufactured by Vishay General Semiconductor - Diodes Division. These parts share identical electrical specifications with the main part, including forward voltage, reverse recovery time, and reverse leakage characteristics. BAT42WS-HE3-08 includes automotive qualification (AEC-Q101) and higher maximum junction temperature (125°C).
Manufacturer Recommended Substitutes: Parts from Nexperia USA Inc. (1PS76SB10,115 and 1PS76SB10,135), Infineon Technologies (BAT5403WE6327HTSA1), onsemi (BAT54HT1G and NSVBAT54HT1G), and Diodes Incorporated (BAT54WS-7-F) meet the core voltage and current ratings. These parts exhibit variations in forward voltage characteristics, reverse leakage current, and capacitance specifications. The BAT54WS-7-F is rated for 100 mA average rectified current, which is below the 200 mA specification of the main part. All substitute parts maintain SOD-323 package compatibility and surface mount configuration.
Parameter Comparison
| Manufacturer Part Number | Manufacturer | Vr (Max) [V] | Io [mA] | Vf (Max) @ If [mV @ mA] | trr [ns] | Ir @ Vr [nA/µA @ V] | C @ Vr [pF @ 1V, 1MHz] | Tj (Max) [°C] | Package | AEC-Q101 |
|---|---|---|---|---|---|---|---|---|---|---|
| BAT42WS-G3-08 | Vishay | 30 | 200 | 650 @ 50 | 5 | 500 nA @ 25 | 7 | 125 | SOD-323 | — |
| BAT42WS-E3-08 | Vishay | 30 | 200 | 650 @ 50 | 5 | 500 nA @ 25 | 7 | 125 | SOD-323 | — |
| BAT42WS-HE3-08 | Vishay | 30 | 200 | 650 @ 50 | 5 | 500 nA @ 25 | 7 | 125 | SOD-323 | Yes |
| 1PS76SB10,115 | Nexperia | 30 | 200 | 800 @ 100 | — | 2 µA @ 25 | 10 | 125 | SOD-323 | Yes |
| 1PS76SB10,135 | Nexperia | 30 | 200 | 800 @ 100 | — | 2 µA @ 25 | 10 | 125 | SOD-323 | Yes |
| BAT5403WE6327HTSA1 | Infineon | 30 | 200 | 800 @ 100 | 5 | 2 µA @ 25 | 10 | 150 | SOD-323 | — |
| BAT54HT1G | onsemi | 30 | 200 | 800 @ 100 | 5 | 2 µA @ 25 | 10 | 150 | SOD-323 | — |
| NSVBAT54HT1G | onsemi | 30 | 200 | 800 @ 100 | 5 | 2 µA @ 25 | 10 | 150 | SOD-323 | Yes |
| BAT54WS-7-F | Diodes Inc. | 30 | 100 | 1000 @ 100 | 5 | 2 µA @ 25 | 10 | 150 | SOD-323 | — |
Engineering Selection Recommendations
Direct Parametric Equivalents: BAT42WS-E3-08 and BAT42WS-HE3-08 are direct parametric equivalents to the BAT42WS-G3-08. Both parts are manufactured by Vishay General Semiconductor - Diodes Division and maintain identical electrical characteristics. BAT42WS-HE3-08 includes AEC-Q101 automotive qualification, making it suitable for automotive applications requiring formal qualification documentation.
Automotive-Qualified Alternatives: For applications requiring AEC-Q101 automotive qualification, the following parts are available: BAT42WS-HE3-08 (Vishay), 1PS76SB10,115 and 1PS76SB10,135 (Nexperia), and NSVBAT54HT1G (onsemi). These parts maintain the 30 V / 200 mA rating and SOD-323 package configuration while providing automotive-grade certification.
General-Purpose Substitutes: BAT54HT1G (onsemi) and BAT5403WE6327HTSA1 (Infineon) are functionally compatible substitutes with identical voltage and current ratings. These parts exhibit higher forward voltage (800 mV @ 100 mA versus 650 mV @ 50 mA) and higher reverse leakage current (2 µA @ 25 V versus 500 nA @ 25 V) compared to the main part. Both maintain 5 ns reverse recovery time and SOD-323 package compatibility.
Current-Limited Substitute: BAT54WS-7-F (Diodes Incorporated) is rated for 100 mA average rectified current, which is 50% of the BAT42WS-G3-08 specification. This part is suitable only for applications where the required current does not exceed 100 mA. Forward voltage is specified at 1 V @ 100 mA, representing a higher drop than the main part.
Compliance Status: All substitute parts are RoHS3 compliant, REACH unaffected, and classified as Active product status. Moisture sensitivity level is MSL 1 (Unlimited) for all parts, indicating no special moisture handling requirements.
Frequently Asked Questions (FAQ)
Q: Can BAT42WS-E3-08 be used as a direct replacement for BAT42WS-G3-08?
A: Yes. BAT42WS-E3-08 is a parametric equivalent manufactured by Vishay General Semiconductor - Diodes Division with identical electrical specifications, including 30 V reverse voltage, 200 mA current rating, 650 mV forward voltage @ 50 mA, and 5 ns reverse recovery time. Both parts use the SOD-323 package and are RoHS3 compliant.
Q: What is the difference between BAT42WS-HE3-08 and BAT42WS-G3-08?
A: BAT42WS-HE3-08 is electrically identical to BAT42WS-G3-08 but includes AEC-Q101 automotive qualification. Both parts share the same 30 V / 200 mA specifications, forward voltage characteristics, and SOD-323 package. BAT42WS-HE3-08 is suitable for automotive applications requiring formal qualification documentation.
Q: Why do some substitute parts have higher forward voltage specifications?
A: Forward voltage is measured at different current levels across different manufacturers. The BAT42WS-G3-08 specifies 650 mV @ 50 mA, while parts such as 1PS76SB10,115, BAT54HT1G, and NSVBAT54HT1G specify 800 mV @ 100 mA. These differences reflect measurement conditions rather than fundamental incompatibility. All parts maintain the 30 V / 200 mA core ratings and SOD-323 package.
Q: Is BAT54WS-7-F a suitable substitute for BAT42WS-G3-08?
A: BAT54WS-7-F is rated for 100 mA average rectified current, which is below the 200 mA specification of BAT42WS-G3-08. This part is suitable only for applications where the required current does not exceed 100 mA. The SOD-323 package and 30 V reverse voltage rating are compatible.
Q: What packaging formats are available for substitute parts?
A: All substitute parts use the SOD-323 surface mount package, maintaining mechanical compatibility with the BAT42WS-G3-08. Packaging formats vary between manufacturers: Vishay parts are supplied in Tape & Reel (TR), Nexperia parts in Cut Tape (CT) & Digi-Reel®, onsemi parts in Cut Tape (CT) & Digi-Reel®, Infineon in Tape & Reel (TR), and Diodes Incorporated in Cut Tape (CT) & Digi-Reel®.
Q: Are all substitute parts RoHS3 compliant?
A: Yes. All substitute parts listed are RoHS3 compliant and REACH unaffected. Moisture sensitivity level is MSL 1 (Unlimited) for all parts, indicating no special moisture handling or baking requirements.
Q: Which substitute parts have automotive qualification?
A: BAT42WS-HE3-08 (Vishay), 1PS76SB10,115 (Nexperia), 1PS76SB10,135 (Nexperia), and NSVBAT54HT1G (onsemi) are qualified to AEC-Q101 automotive standards. These parts are suitable for automotive applications requiring formal qualification documentation.
Q: What is the maximum junction temperature for each substitute part?
A: BAT42WS-G3-08, BAT42WS-E3-08, BAT42WS-HE3-08, 1PS76SB10,115, and 1PS76SB10,135 are rated to 125°C maximum junction temperature. BAT5403WE6327HTSA1, BAT54HT1G, NSVBAT54HT1G, and BAT54WS-7-F are rated to 150°C maximum junction temperature.
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