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DTC143ZKAT146

Name: DTC143ZKAT146
Rating: 4.7 (12 reviews)

TRANS PREBIAS NPN 200MW SMT3

製造商
製造商。部分 #DTC143ZKAT146
包 TO-236-3, SC-59, SOT-23-3
資料表 DTC143ZKAT146 DataSheet
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規格

Supplier	Rohm Semiconductor
Package	Tape & Reel (TR),Cut Tape (CT)
ProductStatus	Active
TransistorType	NPN - Pre-Biased
Current-Collector(Ic)(Max)	100 mA
Voltage-CollectorEmitterBreakdown(Max)	50 V
Resistor-Base(R1)	4.7 kOhms
Resistor-EmitterBase(R2)	47 kOhms
DCCurrentGain(hFE)(Min)@IcVce	80 @ 10mA, 5V
VceSaturation(Max)@IbIc	300mV @ 250µA, 5mA
Current-CollectorCutoff(Max)	500nA
Frequency-Transition	250 MHz
Power-Max	200 mW
MountingType	Surface Mount
Package/Case	TO-236-3, SC-59, SOT-23-3

概述

Description

Introduction to DTC143ZKAT146: It’s a digital transistor (DTC) in the NPN family. Digital transistors integrate a bipolar transistor with a built‑in base resistor (and sometimes protection features), allowing direct drive from a microcontroller without external base resistors. The DTC143 series switches low‑power loads by pulling the load to ground when the input is driven high. The suffix “ZKAT146” denotes a specific packaging/variant and lot code; exact pinout, voltage rating, and current capability depend on the package revision, so consult the datasheet for your device. Typical uses include LED indicators, relay coils, and other small loads that need a simple, robust switch. Benefits: reduced external components, easier MCU interfacing, and consistent base drive. Considerations: internal base resistor fixes the drive current; ensure the load current/voltage stay within the device’s ratings and that switching speed fits your application. If you want, I can look up the exact datasheet for this variant.

Features

DTC143ZKAT146 features (concise):
- NPN digital transistor with built‑in base bias resistor (no external base resistor needed)
- TTL/CMOS input compatible
- Directly drives loads (LEDs, small relays, optocouplers) with limited base current
- Low input current and fast switching
- Low saturation voltage for efficient switching
- RoHS compliant; suitable for compact board designs
- Available in ZK package with tape-and-reel options (AT146 variant)
Note: For exact electrical specs (Vce, Ic, base resistance values, switching speeds, and temperature range), please consult the latest datasheet.

Package

SOT-23-3 (3-pin) surface-mount package (SC-59 footprint).

Pinout

- Pin count: 3 (SOT-23 package)
- Function: NPN digital transistor with built-in base resistor (switch).
- Pin 1: Base (input)
- Pin 2: Emitter (ground)
- Pin 3: Collector (output to load)

Manufacturer

Manufacturer: Toshiba Corporation (Toshiba Electronic Devices & Storage Corporation).
What kind of company: A Japanese multinational electronics and electrical equipment company that designs and manufactures semiconductors and other electronic components.

Application

DTC143ZKAT146 is a digital transistor (built‑in base resistor). Applications: low‑voltage switching and MCU interfacing—LED driving, small‑relay drivers, optocoupler interfaces, and general load switching. Useful for reducing external resistors and protecting microcontroller outputs in consumer electronics, automotive, and industrial equipment.