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DTC123EUAT106 NPN pre-biased digital transistor from ROHM Semiconductor, rated at 50V collector-emitter voltage and 100mA collector current with 200mW power dissipation. Comes in a UMT3 (SC-70/SOT-323) surface mount package with integrated 2.2kΩ bias resistors.
Mfr Part #:

DTC123EUAT106

Available from 1 distributors
Mfr Name: ROHM Semiconductor
ROHM Semiconductor
NPN pre-biased digital transistor from ROHM Semiconductor, rated at 50V collector-emitter voltage and 100mA collector current with 200mW power dissipation. Comes in a UMT3 (SC-70/SOT-323) surface mount package with integrated 2.2kΩ bias resistors.
✓ Total Stock: 965 pcs
$ Price Range: $0.03 - $0.04

DTC123EUAT106 Available from 1 distributor

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Bristol Electronics ✓
Non-Authorised Inventory information
965 pcs
On Request
965 pcs On Request 1 On Request On Request On Request On Request On Request
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DTC123EUAT106 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
Tape & Reel
Tape Width
Transistor Type
Vce Saturation (Max) @ Ib, Ic
Voltage
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DTC123EUAT106 Description

Short technical summary and product information.

The ROHM Semiconductor DTC123EUAT106 is an NPN pre-biased digital transistor designed for switching and interface applications. It integrates bias resistors (R1=R2=2.2kΩ) which simplify circuit design by eliminating external components for inverter, driver, and interface circuits. The transistor features a 50V collector-emitter voltage rating and 100mA continuous collector current capability. With a power dissipation of 200mW (UMT3 package) and a DC current gain of 20 minimum at 20mA, it provides reliable performance in low-power switching applications. The device comes in a compact UMT3 surface-mount package (equivalent to SC-70 / SOT-323) and is packaged in tape and reel (T106 code) with 3000 pieces per reel. The DTC123E series is part of ROHM's standard digital transistor portfolio and offers a complementary PNP type (DTA123E series). Typical applications include inverter circuits, logic interface, and driver stages where a minimal component count is desired.

DTC123EUAT106 Quick Information

Product Type: Digital Transistor (Pre-Biased NPN)
Canonical Name: ROHM Semiconductor DTC123EUA Digital Transistor (NPN Pre-Biased, 50V, 100mA, UMT3)
Subcategory: Pre-Biased NPN

DTC123EUAT106 Compliance

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

DTC123EUAT106 Estimated Pricing

Qty Low High
3,000+ $0.04 $0.04
6,000+ $0.04 $0.04
9,000+ $0.04 $0.04
15,000+ $0.03 $0.03
21,000+ $0.03 $0.03
30,000+ $0.03 $0.03

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

DTC123EUAT106 Features

  • Integrated bias resistors (R1=R2=2.2kΩ).
  • Rated 50V Vceo and 100mA Ic.
  • 200mW power dissipation in UMT3 package.
  • DC current gain (hFE) minimum 20.
  • Surface mount package (SC-70/SOT-323).

DTC123EUAT106 Applications

  • Inverter circuit in logic interfaces.
  • Driver for small signal loads.
  • Interface between low/high voltage domains.
  • Compact switching in portable devices.

DTC123EUAT106 FAQs

7 frequently asked questions generated from this part’s specifications.
What is the collector-emitter voltage rating of the DTC123EUAT106?

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

What is the maximum collector current?

The maximum collector current (Ic) is 100mA.

What is the power dissipation?

The power dissipation (Pd) is 200mW for the UMT3 package.

What package does the DTC123EUAT106 come in?

It comes in a UMT3 surface mount package, which is also known as SC-70 or SOT-323.

What is the built-in resistor value?

The input resistance (R1) is nominally 2.2kΩ, with a tolerance of ±30% (1.54kΩ min, 2.86kΩ max). The resistance ratio R2/R1 is 1.0 (R2 also 2.2kΩ).

What is the DC current gain (hFE)?

The minimum DC current gain (hFE) is 20 at Ic=20mA and Vce=5V.

Is the DTC123EUAT106 RoHS compliant?

The device is listed as RoHS3 Compliant, though this information is low confidence as it is unverified from an official document.

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