DTC143XKAT146 NPN pre-biased transistor with built-in 10 kΩ base resistor. Rated for 100 mA collector current and 50 V collector-emitter breakdown voltage.
Mfr Part #:

DTC143XKAT146

Available from 1 distributors
Mfr Name: ROHM Semiconductor
ROHM Semiconductor
NPN pre-biased transistor with built-in 10 kΩ base resistor. Rated for 100 mA collector current and 50 V collector-emitter breakdown voltage.
✓ Total Stock: 26,715 pcs
$ Price Range: $0.03 - $0.24

DTC143XKAT146 Available from 1 distributor

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Non-Authorised Inventory information
26,715 pcs
26715 pcs On Request 1 On Request On Request 1351+ On Request On Request

DTC143XKAT146 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Current
DC Current Gain (hFE) (Min) @ Ic, Vce
Frequency
Mounting Type
Power
Resistor
Supplier Device Package
Supplier Package
Tape & Reel
Transistor Type
Vce Saturation (Max) @ Ib, Ic
Voltage

DTC143XKAT146 Description

Short technical summary and product information.

The DTC143XKAT146 is an NPN pre-biased bipolar junction transistor from ROHM Semiconductor, designed for surface-mount applications. It features a built-in 10 kΩ base resistor, simplifying circuit design by reducing component count. Key electrical characteristics include a collector current rating of 100 mA, collector-emitter breakdown voltage of 50 V, and a transition frequency of 250 MHz. The device offers a DC current gain (hFE) of 30 minimum at 10 mA, 5 V, and a saturation voltage of 300 mV maximum at 10 mA collector current with 500 µA base current. Power dissipation is rated at 200 mW. The transistor is housed in a compact SOT-23 package (also known as TO-236-3, SC-59, SMT3) suitable for automated assembly. This pre-biased transistor is ideal for switching and amplification circuits in consumer electronics, industrial controls, and other low-power applications where space and simplicity are priorities.

DTC143XKAT146 Quick Information

Product Type: Pre-Biased Bipolar Transistor
Series: DTC143X
Canonical Name: DTC143XKAT146 NPN Pre-Biased Transistor with Built-in Resistor
Subcategory: Pre-Biased Bipolar (BJT) Single

DTC143XKAT146 Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

DTC143XKAT146 Estimated Pricing

Qty Low High
1+ $0.24 $0.24
10+ $0.15 $0.15
100+ $0.09 $0.09
500+ $0.07 $0.07
1,000+ $0.06 $0.06
3,000+ $0.04 $0.04
6,000+ $0.04 $0.04
9,000+ $0.03 $0.03

Estimated market price range - modelled values for guidance only, not live distributor offers.

DTC143XKAT146 Features

  • Built-in 10 kΩ base resistor for simplified design.
  • Rated for 100 mA continuous collector current.
  • Maximum collector-emitter voltage of 50 V.
  • Transition frequency of 250 MHz.
  • Compact SOT-23 surface-mount package.

DTC143XKAT146 Applications

  • Ideal for switching circuits in portable electronics.
  • Used in signal amplification with reduced component count.
  • Suitable for low-power driver stages.
  • Common in relay and solenoid drivers.

DTC143XKAT146 FAQs

7 frequently asked questions generated from this part’s specifications.
What is the maximum collector-emitter voltage rating?

The collector-emitter breakdown voltage (Vceo) is 50 V.

What is the package type?

The device is available in TO-236-3, SC-59, SOT-23-3, and SMT3 package.

Is the DTC143XKAT146 RoHS compliant?

The RoHS status is marked as RoHS3 Compliant in the database, but this is unverified. Verify from official ROHM documentation.

What is the built-in base resistor value?

The base resistor is 10 kΩ.

What is the collector current rating?

The continuous collector current is 100 mA.

What is the transition frequency?

The transition frequency (ft) is 250 MHz.

What is the mounting type?

The mounting type is Surface Mount.

Home
Account

Categories