Mfr Part #:

DTC143ZET1G

NPN pre-biased digital transistor (BRT) with integrated bias resistors. Rated for 50V collector-emitter voltage and 100mA continuous collector current.

✓ Total Stock: 16,939 pcs

$ Price Range: $0.04 - $0.20

DTC143ZET1G Available from 6 distributors

✓ Authorised

✓ Non-Authorised

Distributor		Stock	Pricing	MOQ	PKG	Lead Time	Date Code	On Order Quantity	On Order Delivery
Optech Co.,Limited ✓ Non-Authorised Inventory information	7,020 pcs On Request	7020 pcs	On Request	1	On Request	On Request	On Request	On Request	On Request
Seba Components ✓ Non-Authorised Inventory information	3,000 pcs On Request	3000 pcs	On Request	1	On Request	On Request	On Request	On Request	On Request
Smaxon Electronics ✓ Non-Authorised Inventory information	2,669 pcs On Request	2669 pcs	On Request	1	On Request	On Request	21+	On Request	On Request
Xingangxin ✓ Non-Authorised Inventory information	2,500 pcs On Request	2500 pcs	On Request	1	On Request	On Request	On Request	On Request	On Request
Braun Electronic Components ✓ Non-Authorised Inventory information	1,000 pcs On Request	1000 pcs	On Request	1	On Request	On Request	On Request	On Request	On Request
Bristol Electronics ✓ Non-Authorised Inventory information	750 pcs On Request	750 pcs	On Request	1	On Request	On Request	On Request	On Request	On Request

DTC143ZET1G Description

Short technical summary and product information.

The DTC143ZET1G is an NPN pre-biased digital transistor (Bias Resistor Transistor) from On Semiconductor. It integrates a series base resistor (R1 = 4.7 kΩ) and a base-emitter resistor (R2 = 47 kΩ) into a single device, eliminating the need for external bias components. This simplifies circuit design, reduces board space, and lowers component count.

Key electrical specifications include a maximum collector-emitter voltage (VCEO) of 50 V, a continuous collector current (IC) of 100 mA, and a DC current gain (hFE) of 80 minimum at 5 mA collector current and 10 V collector-emitter voltage. The device has a maximum power dissipation of 200 mW and a saturation voltage of 250 mV at 1 mA base current and 10 mA collector current.

The transistor is housed in a compact SC-75 (SOT-416) surface-mount package, suitable for space-constrained applications. It is supplied in tape and reel packaging with a standard quantity of 3000 pieces per reel. The device is Pb-free, halogen-free, and RoHS compliant.

DTC143ZET1G Quick Information

Product Type: Pre-Biased NPN Transistor

Series: DTC143ZE

Canonical Name: NPN Pre-Biased Digital Transistor (BRT) with Monolithic Bias Resistor Network

Subcategory: Single Pre-Biased Transistors

DTC143ZET1G Compliance

RoHS Status: RoHS Compliant

Moisture Sensitivity Level (MSL): 1 Unlimited

REACH Status: REACH Unaffected

Lead Free: Yes

DTC143ZET1G Estimated Pricing

Qty	Low	High
1+	$0.20	$0.20
10+	$0.11	$0.11
100+	$0.07	$0.07
500+	$0.05	$0.05
1,000+	$0.04	$0.04
3,000+	$0.04	$0.04

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

DTC143ZET1G Features

Integrated bias resistors simplify circuit design.
Rated for 50V collector-emitter voltage.
100mA continuous collector current capability.
Compact SC-75 surface-mount package.
RoHS compliant and halogen-free.

DTC143ZET1G Applications

Ideal for low-power switching applications.
Used in interface and driver circuits.
Suitable for space-constrained PCB designs.
Replaces discrete resistor-transistor combinations.

DTC143ZET1G FAQs

7 frequently asked questions generated from this part’s specifications.

What is the maximum collector-emitter voltage (VCEO) of the DTC143ZET1G?

50 V.

What is the package type of the DTC143ZET1G?

SC-75 (SOT-416) surface-mount package.

Is the DTC143ZET1G RoHS compliant?

Yes, it is RoHS3 compliant, Pb-free, and halogen-free.

What is the DC current gain (hFE) of this transistor?

Minimum 80 at Ic=5mA, Vce=10V.

What are the integrated resistor values?

Series base resistor R1 = 4.7 kΩ, base-emitter resistor R2 = 47 kΩ.

What is the maximum collector current?

100 mA.

What is the mounting type?

Surface mount.

DTC143ZET1G Alternate Parts

Same form/fit/function or matching attribute configuration across different manufacturers.

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DTC124XET1G

On Semiconductor