# DTA144EKA Digital Transistor

## Features

️· Built-in bias resistors simplify inverter circuit design (no external resistors needed).
️· Thin-film resistors provide isolation and minimize parasitic effects.
️· Easy operation requiring only on/off condition setting.

## Structure

PNP digital transistor with built-in resistors

## Absolute Maximum Ratings

️· Supply Voltage (Vcc): –50V
️· Input Voltage (Vin): –40V to +10V
️· Output Current (Io): –30mA
️· Output Current (Ic(Max)): -100mA
️· Power Dissipation (Pd): 200mW
️· Junction Temperature (Tj): 150°C
️· Storage Temperature (Tstg): –55°C to +150°C

## Electrical Characteristics (Ta = 25°C)

️· Input Voltage (V I(off)): –0.5V (Vcc = –5V, Io = –100µA)
️· Input Voltage (V I(on)): –3.0V (Vo= –0.3V, Io= –2mA)
️· Output Voltage (Vo(on)): –0.1 to –0.3V (Io/Ii = -10mA / -0.5mA)
️· Input Current (Ii): –0.18mA (Vi = –5V)
️· Output Current (Io(off)): –0.5µA (Vcc = –50V, Vi = 0V)
️· DC Current Gain (Gi): 68 (Vo = –5V, Io = –5mA)
️· Input Resistance (R1): 32.9 to 61.1 KΩ
️· Resistance Ratio (R2/R1): 0.8 to 1.2
️· Transition Frequency (fT): 250 MHz (Vce = -10V, Ie = 5mA, f=100MHz)

## Electrical Characteristic Curves

️· Figure 1: Input voltage vs. output current (ON characteristics)
️· Figure 2: Output current vs. input voltage (OFF characteristics)
️· Figure 3: DC current gain vs. output current
️· Figure 4: Output voltage vs. output current