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BS170PSTOB Equivalent & Substitute Parts Reference
Part Overview
The BS170PSTOB from Diodes Incorporated is an N-Channel MOSFET with a drain-to-source voltage of 60 V and a continuous drain current of 270 mA (Ta). It offers a through-hole mounting style in an E-Line (TO-92 compatible) package, supporting a maximum power dissipation of 625 mW. This product is currently marked as obsolete, necessitating the identification and use of equivalent and substitute models to maintain supply continuity and ensure ongoing support in existing designs.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Manufacturer Part Number | BS170PSTOB |
| Category | Transistors, FETs, MOSFETs |
| FET Type | N-Channel |
| Technology | MOSFET (Metal Oxide) |
| Drain to Source Voltage (Vdss) | 60 V |
| Current - Continuous Drain (Id) @ 25°C | 270mA (Ta) |
| Power Dissipation (Max) | 625mW (Ta) |
| Drive Voltage (Max Rds On, Min Rds On) | 10V |
| Rds On (Max) @ Id, Vgs | 5Ohm @ 200mA, 10V |
| Vgs(th) (Max) @ Id | 3V @ 1mA |
| Vgs (Max) | ±20V |
| Input Capacitance (Ciss) (Max) @ Vds | 60 pF @ 10 V |
| Operating Temperature | -55°C ~ 150°C (TJ) |
| Mounting Type | Through Hole |
| Supplier Device Package | E-Line (TO-92 compatible) |
| RoHS Status | ROHS3 Compliant |
| REACH Status | REACH Unaffected |
Substitute Part Grouping Explanation
Equivalence and substitution for the BS170PSTOB use strict adherence to the following parameters: FET type, technology, drain-to-source voltage (Vdss), continuous drain current (Id), power dissipation (max), drive voltage, Rds(on), Vgs(th), Vgs (max), input capacitance, operating temperature, mounting type, package compatibility, RoHS status, and REACH status. Only models sharing these essential parameters are considered permissible substitutes.
Parameter Comparison
| Parameter | BS170PSTOB (Diodes Incorporated) |
VN2106N3-G (Microchip Technology) |
|---|---|---|
| FET Type | N-Channel | N-Channel |
| Technology | MOSFET (Metal Oxide) | MOSFET (Metal Oxide) |
| Drain to Source Voltage (Vdss) | 60 V | 60 V |
| Current - Continuous Drain (Id) @ 25°C | 270mA (Ta) | 300mA (Tj) |
| Drive Voltage (Max Rds On, Min Rds On) | 10V | 5V, 10V |
| Rds On (Max) @ Id, Vgs | 5Ohm @ 200mA, 10V | 4Ohm @ 500mA, 10V |
| Vgs(th) (Max) @ Id | 3V @ 1mA | 2.4V @ 1mA |
| Vgs (Max) | ±20V | ±20V |
| Input Capacitance (Ciss) (Max) @ Vds | 60 pF @ 10 V | 50 pF @ 25 V |
| Power Dissipation (Max) | 625mW (Ta) | 1W (Tc) |
| Operating Temperature | -55°C ~ 150°C (TJ) | -55°C ~ 150°C (TJ) |
| Mounting Type | Through Hole | Through Hole |
| Supplier Device Package | E-Line (TO-92 compatible) | TO-92-3 |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant |
| REACH Status | REACH Unaffected | REACH Unaffected |
Engineering Selection Recommendations
The BS170PSTOB is designated as obsolete. The substitute VN2106N3-G is active and is ROHS3 compliant and REACH unaffected, matching all necessary regulatory and environmental certifications as provided. Both devices meet unrestricted MSL classification for handling and storage.
Frequently Asked Questions (FAQ)
Q1: What are the key parameters when substituting BS170PSTOB MOSFETs?
A1: The key substitution parameters are FET type, technology, Vdss, Id, power dissipation, drive voltage, Rds(on), Vgs(th), Vgs(max), input capacitance, operating temperature, mounting type, device package, RoHS, and REACH status.
Q2: Is the VN2106N3-G directly compatible in through-hole/TO-92 applications?
A2: VN2106N3-G is specified with a TO-92-3 package, which is a common through-hole layout compatible with the E-Line (TO-92 compatible) format of BS170PSTOB.
Q3: Are the electrical limits identical between BS170PSTOB and VN2106N3-G?
A3: Both share a 60 V drain-to-source voltage, N-Channel configuration, similar gate voltage and current ratings, and compatible thermal and mechanical parameters as provided.
Q4: Is there a RoHS or REACH compliance difference between the parts?
A4: Both BS170PSTOB and VN2106N3-G are ROHS3 compliant and REACH unaffected, according to the provided data.
Q5: Can the substitute be used without board layout changes?
A5: Both devices use a through-hole TO-92 compatible package, allowing for direct substitution in existing layouts that accommodate this footprint.
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