BSS123 N-Channel enhancement mode MOSFET with 100V drain-source voltage and 170mA continuous drain current. Surface mount SOT-23-3 package.
Mfr Part #:

BSS123

Available from 5 distributors
Mfr Name: On Semiconductor
On Semiconductor
N-Channel enhancement mode MOSFET with 100V drain-source voltage and 170mA continuous drain current. Surface mount SOT-23-3 package.
✓ Total Stock: 426,254 pcs
$ Price Range: $0.12 - $0.48

BSS123 Available from 5 distributors

✓ Authorised
✓ Non-Authorised

BSS123 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Current
Drain to Source Voltage (Vdss)
Drive Voltage (Max Rds On, Min Rds On)
FET Type
Gate Charge (Qg) (Max) @ Vgs
Halogen Free
Input Capacitance (Ciss) (Max) @ Vds
Mounting Type
Operating Temperature
Power Dissipation (Max)
Rds On (Max) @ Id, Vgs
Supplier Device Package
Tape & Reel
Technology
Termination Style
Vgs (Max)
Vgs(th) (Max) @ Id

BSS123 Description

Short technical summary and product information.

The BSS123 is an N-Channel enhancement mode MOSFET manufactured by On Semiconductor (onsemi). It utilizes DMOS technology to achieve low on-state resistance and fast switching performance.

 

Key electrical specifications include a maximum drain-source voltage of 100 V and a continuous drain current rating of 0.17 A (pulsed up to 0.68 A). The device features a low gate threshold voltage of 2.5 V at 250 µA, making it suitable for logic-level drive. Maximum on-resistance is 6 Ω at Vgs = 10 V and 10 Ω at Vgs = 4.5 V. Gate charge is 1.8 nC and input capacitance is 14 pF.

 

The BSS123 is supplied in a compact SOT-23-3 surface mount package with a standard reel quantity of 3000 pcs. It operates over a junction temperature range of -55°C to +150°C and has a maximum power dissipation of 0.36 W at 25°C ambient. This device is Pb-Free and Halogen Free, and is RoHS3 compliant.

 

It is well suited for low voltage, low current applications such as small servo motor control, power MOSFET gate drivers, and other general purpose switching circuits.

BSS123 Quick Information

Product Type: N-Channel MOSFET
Canonical Name: On Semiconductor BSS123 N-Channel MOSFET
Subcategory: N-Channel MOSFET

BSS123 Compliance

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

BSS123 Estimated Pricing

Qty Low High
1+ $0.48 $0.48
10+ $0.34 $0.34
100+ $0.21 $0.21
500+ $0.13 $0.13
1,000+ $0.12 $0.12
3,000+ $0.12 $0.12

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

BSS123 Features

  • N-Channel enhancement mode MOSFET.
  • 100V drain-source voltage rating.
  • 170mA continuous drain current.
  • Low on-resistance of 6Ω at 10V.
  • SOT-23-3 surface mount package.

BSS123 Applications

  • Ideal for low voltage servo motor control.
  • Drives power MOSFET gate driver circuits.
  • Used in general purpose low power switching.

BSS123 FAQs

7 frequently asked questions generated from this part’s specifications.
What is the maximum drain-source voltage of the BSS123?

100 V.

What is the maximum continuous drain current?

0.17 A.

What package is the BSS123 available in?

SOT-23-3 surface mount package.

What is the operating temperature range?

-55°C to +150°C.

Is the BSS123 RoHS compliant?

Yes, it is RoHS3 compliant and Pb-Free.

What is the gate threshold voltage?

Maximum 2.5 V at 250 µA.

What is the typical on-resistance?

6 Ω at Vgs=10V and 10 Ω at Vgs=4.5V.

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