
A strong alternative with a higher current rating and likely lower on-resistance in the same package.
TPDMN26D0UFB4 is a 20V, 0.7A N-Channel MOSFET in a compact DFN1006-3L package. Several functional alternatives are available, offering similar or improved performance for space-constrained applications.
Candidates have varying RDS(on) values. Higher RDS(on) increases power loss. Pinout must be verified.
All strong candidates use the same DFN1006-3L package, ensuring physical compatibility.
Yes, several functional alternatives exist for TPDMN26D0UFB4 in the same DFN1006-3L package. However, pinout and the on-resistance (RDS(on)) must be verified for your specific application.
BRCS3134ZK and DMN26D0UFB4-7-HXY are the strongest candidates. BRCS3134ZK may offer lower on-resistance, while DMN26D0UFB4-7-HXY is a very close parametric match.
The primary risk is a mismatch in on-resistance (RDS(on)), which can affect circuit efficiency and thermal performance.

A strong alternative with a higher current rating and likely lower on-resistance in the same package.
| Feature / factor | TPDMN26D0UFB4 | BRCS3134ZK | DMN26D0UFB4-7-HXY | CJBA3134K | Compatibility / risk |
|---|---|---|---|---|---|
| Package | DFN1006-3L | DFN1006-3L | DFN1006-3L | DFN1006-3L | DFN1006-3L — Same package and pin count.; DMN26D0UFB4-7-HXY: Same package and pin count.; CJBA3134K: Same package and pin count. |
| Voltage | 20 V | 20 V | 20 V | 20 V | 20 V — Vdss matches target.; DMN26D0UFB4-7-HXY: Vdss matches target.; CJBA3134K: Vdss matches target. |
| Current | 0.7 A | 0.75 A | 0.7 A | 0.75 A | 0.75 A / 0.7 A — Slightly higher current rating.; DMN26D0UFB4-7-HXY: Id matches target.; CJBA3134K: Slightly higher current rating. |
| Resistance | 250 mΩ @ 4.5V | 273 mΩ @ 2.5V | 350 mΩ @ 4.5V | 500 mΩ @ 4.5V | 273 mΩ @ 2.5V / 350 mΩ @ 4.5V / 500 mΩ @ 4.5V — RDS(on) is competitive, likely better at 4.5V.; DMN26D0UFB4-7-HXY: RDS(on) is higher, may increase losses.; CJBA3134K: RDS(on) is 2x higher, a significant downgrade. |
| Vgs(Th) | 0.75 V | 0.68 V | - | - | 0.68 V — Gate threshold voltage is very similar. |
| Power | 0.1 W | - | 0.15 W | - | 0.15 W — Higher power dissipation rating. |
Verified drop-in options for TPDMN26D0UFB4 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.