This document describes the features and characteristics of the MMDT2227 complementary NPN / PNP small signal surface mount transistors, including complementary pairs, epitaxial planar die construction, ultra-small surface mount package, etc. The product is ideal for low power amplification and switching applications.
The MMDT2227 is a complementary pair of NPN and PNP small‑signal transistors built with epitaxial planar die construction and housed in an ultra‑small SOT‑363 surface‑mount package. It is lead‑free, RoHS‑compliant, and intended for low‑power amplification and switching applications.
The datasheet provides detailed electrical characteristics, maximum ratings, and switching parameters for both the 2222A (NPN) and 2907A (PNP) types, along with ordering, packaging, and marking information. Mechanical dimensions, thermal resistance, and recommended test conditions are also listed.
| Package | SOT‑363 |
|---|---|
| Collector‑Emitter Voltage (NPN) | 40 V |
| Collector‑Emitter Voltage (PNP) | -60 V |
| Continuous Collector Current (NPN) | 600 mA |
| Continuous Collector Current (PNP) | -600 mA |
| RoHS Compliance | Lead‑free / RoHS compliant |
| Marking Code | K27 |
| Packaging | 3000 per tape & reel (SOT‑363) |
The marking code is K27.
It is shipped in SOT‑363 tape and reel format, 3000 units per reel.
Yes, the device is lead‑free and RoHS compliant.