2N4401 / MMBT4401Physical Dimensions (Continued) 2.92±0.20 0.95 3 — NPN General-Purpose Amplifier 1.40 +0.20 1.30 2.20 -0.15 1 2 0.60 (0.29) 0.37 0.95 0.20 A B 1.00 1.90 1.90 LAND PATTERN RECOMMENDATION 1.20 MAX SEE DETAIL A (0.93) 0.10 0.00 0.10 C C 2.40±0.30 NOTES: UNLESS OTHERWISE SPECIFIED GAGE PLANE A) REFERENCE JEDEC REGISTRATION TO-236, VARIATION AB, ISSUE H. B) ALL DIMENSIONS ARE IN MILLIMETERS. 0.23 0.08 C) DIMENSIONS ARE INCLUSIVE OF BURRS, 0.25 MOLD FLASH AND TIE BAR EXTRUSIONS. D) DIMENSIONING AND TOLERANCING PER ASME Y14.5M - 1994. 0.20 MIN SEATING E) DRAWING FILE NAME: MA03DREV10 (0.55) PLANE SCALE: 2X Figure 17. 3-LEAD, SOT23, JEDEC TO-236, LOW PROFILE www.onsemi.com 8