2N7002K-7
Diodes Incorporated
Needs validationmedium risk
2N7002K-7 is a strong SOT23 N-FET candidate, but pinout and gate threshold need review.
Best Alternatives to BSS138-7-F
BSS138-7-F alternatives should be treated cautiously. Same SOT23 package is not enough without pinout and gate-drive review.
AI replacement insight
Electrical riskmedium
Vth and Rds can change switching margin.
Package riskmedium
SOT23 matches, pin functions are unverified.
Firmware risklow
Discrete MOSFET, no firmware.
Sourcing risklow
Kept parts are catalog indexed.
Can it be replaced directly?
Direct replacement for BSS138-7-F should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.
Best replacement path
Start with 2N7002K-7, then verify pinout, Vth, Rds conditions, and power.
Main risk
Pinout and gate threshold are not fully verified.
Recommended alternatives
4Alternative comparison matrix
| Feature / factor | BSS138-7-F | 2N7002K-7 | 2N7002-7-F | DMN601K-7 | Compatibility / risk |
|---|---|---|---|---|---|
| Package | SOT23 | SOT23 | SOT23 | SOT23 | SOT23 — same package text; 2N7002-7-F: same package text; DMN601K-7: same package text; DMN24H3D5L-7: same package text |
| Pinout | 3 pins | 3 pins | 3 pins | 3 pins | 3 pins — pin functions missing; 2N7002-7-F: pin functions missing; DMN601K-7: pin functions missing; DMN24H3D5L-7: pin functions missing |
| Voltage | 50V | 60V | 60V | 60V | 60V / 240V — meets 1.1x rule; 2N7002-7-F: meets 1.1x rule; DMN601K-7: meets 1.1x rule; DMN24H3D5L-7: large change |
| Current | 200mA | 380mA | 210mA | 300mA | 380mA / 210mA / 300mA / 480mA — higher Id; 2N7002-7-F: small margin; DMN601K-7: higher Id; DMN24H3D5L-7: higher Id |
| Interface | Vth 0.5-1.5V | Vth 1.6V | - | missing | Vth 1.6V / missing / 1.95V — low-gate use risk; DMN601K-7: logic drive unknown; DMN24H3D5L-7: drive margin risk |
| Resistance | 3.5Ω | - | 5Ω | - | 5Ω — more loss |
Application & sourcing insights
Questions & answers
Verified drop-in options for BSS138-7-F are limited in the current batch. Review candidates marked Strong match or Datasheet verified, and validate package, pinout, and electrical limits before committing a BOM change.