NPN Digital transistor (with built-in resistors) - DTD143EK

These are the standard products of "digital transistors" which ROHM invented and marketed first in the world.

* This product is a STANDARD grade product and not recommend for on-vehicle devices.
Part Number
Unit Quantity
Minimum Package Quantity
Packing Type
Constitution Materials List
DTD143EKT146 Active SMT3 3000 3000 Taping inquiry Yes
Grade Standard
Package Code SOT-346
JEITA Package SC-59
Package Size[mm] 2.9x2.8(t=1.1)
Number of terminal 3
Polarity NPN
Supply voltage VCC 1[V] 50.0
Collector current IC 1[A] 0.5
Input resistance R1 1 [kΩ] 4.7
Emitter base Resistance R2 1 [kΩ] 4.7
Power Dissipation (PD)[W] 0.2
Mounting Style Surface mount
GI hFE 47 to
Output Current [A] 0.5
Storage Temperature (Min.)[°C] -55
Storage Temperature (Max.)[°C] 150
  • · Standard digital transistor
    · Built-In Biasing Resistors
    · Small Surface Mount Package
    · Pb Free/RoHS Compliant
Technical Data
NE Handbook Series

For Power Device

Taping Specifications

For Transistors

Condition Of Soldering

For Surface Mount Type

Storage Conditions

For Transistors

Operation Notes

About TR Die Temperature

Operation Notes

Before using ROHM Transistor

Part Explanation

For Transistors