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DTC343TKT146 ROHM DTC343TKT146 is an NPN pre-biased transistor designed for surface mount applications. Key specs include 15V Vceo, 600mA Ic, 200mW power dissipation, and 200MHz transition frequency.
Mfr Part #:

DTC343TKT146

Available from 1 distributors
Mfr Name: ROHM Semiconductor
ROHM Semiconductor
ROHM DTC343TKT146 is an NPN pre-biased transistor designed for surface mount applications. Key specs include 15V Vceo, 600mA Ic, 200mW power dissipation, and 200MHz transition frequency.
✓ Total Stock: 216,000 pcs
$ Price Range: $0.14 - $0.66

DTC343TKT146 Available from 1 distributor

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Smaxon Electronics ✓
Non-Authorised Inventory information
216,000 pcs
On Request
216000 pcs On Request 1 On Request On Request 17+ On Request On Request
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DTC343TKT146 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
Transistor Type
Vce Saturation (Max) @ Ib, Ic
Voltage
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DTC343TKT146 Description

Short technical summary and product information.

The ROHM Semiconductor DTC343TKT146 is an NPN pre-biased transistor that integrates a 2.2kΩ base resistor, simplifying circuit design by eliminating external biasing components. It is rated for a collector-emitter voltage (Vceo) of 15V and a continuous collector current (Ic) of 600mA, making it suitable for low-power switching and amplification tasks.

 

Power dissipation is limited to 200mW, and the device offers a DC current gain (hFE) of minimum 100 at 50mA, 5V with a low collector-emitter saturation voltage of 80mV maximum at 50mA. A transition frequency (ft) of 200MHz supports high-speed switching applications.

 

The transistor is housed in a surface-mount SMT3 package (compatible with TO-236, SC-59, SOT-23-3), enabling compact PCB designs. It is declared RoHS3 compliant, REACH unaffected, and has an MSL of 1 (unlimited), though these compliance details are unverified.

DTC343TKT146 Quick Information

Product Type: NPN Pre-Biased Transistor
Canonical Name: ROHM Semiconductor DTC343TKT146 NPN Pre-Biased Transistor

DTC343TKT146 Compliance

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

DTC343TKT146 Estimated Pricing

Qty Low High
1+ $0.66 $0.66
10+ $0.41 $0.41
100+ $0.26 $0.26
3,000+ $0.15 $0.15
6,000+ $0.14 $0.14
9,000+ $0.14 $0.14

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

DTC343TKT146 Features

  • NPN pre-biased with internal 2.2kΩ base resistor.
  • Rated for 15V collector-emitter voltage.
  • 600mA maximum collector current rating.
  • 200mW power dissipation capability.
  • 200MHz transition frequency for fast switching.

DTC343TKT146 Applications

  • Suitable for low-power switching circuits.
  • Used in digital logic level shifting.
  • Ideal for relay driver applications.
  • Common in sensor output drive circuits.

DTC343TKT146 FAQs

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

15V

What package does this transistor come in?

SMT3 (compatible with TO-236, SC-59, SOT-23-3)

Is it RoHS compliant?

RoHS3 Compliant (unverified)

What is the collector current rating?

600mA

What is the transition frequency?

200MHz

What is the base resistor value?

2.2kΩ

What is the DC current gain?

hFE min 100 at Ic=50mA, Vce=5V

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