2N4897 Dimensions in mm (inches). 8.51 (0.34) 9.4.
2N4897 - Bipolar NPN Device
2N4897 Dimensions in mm (inches). 8.51 (0.34) 9.40 (0.37) 7.75 (0.305) 8.51 (0.335) Bipolar NPN Device in a Hermetically sealed TO39 Metal Package..2N4897 - Small Signal Transistors
Small Signal Transistors TO-39 Case (Continued) TYPE NO. DESCRIPTION VCBO (V) VCEO (V) *VCER VEBO (V) ICBO @ (µA) *ICEO **ICES ***ICEV ****ICER MIN 5..