BSS138 N-Channel logic level enhancement mode MOSFET, 50V drain-source voltage, 220mA continuous drain current, 3 Ohm Rds(on) at 10V. Surface mount SOT-23-3 package.
Mfr Part #:

BSS138

Available from 11 distributors
Mfr Name: On Semiconductor
On Semiconductor
N-Channel logic level enhancement mode MOSFET, 50V drain-source voltage, 220mA continuous drain current, 3 Ohm Rds(on) at 10V. Surface mount SOT-23-3 package.
Total Stock: 1,924,075 pcs
$ Price Range: $0.09 - $0.38

BSS138 Available from 11 distributors

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BSS138 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Current
Drain to Source Voltage (Vdss)
Drain-Source Breakdown Voltage
Drive Voltage (Max Rds On, Min Rds On)
FET Type
Gate Threshold Voltage (Minimum/Typical/Maximum @ Vds = Vgs, Id = -1 mA)
Gate-Source Leakage
Halogen Free
Input Capacitance (Ciss) (Max) @ Vds
Mounting Type
Operating Temperature
Power Dissipation (Max)
Rds On (Max) @ Id, Vgs
Standard Package Quantity
Supplier Device Package
Tape & Reel
Technology
Termination Style
Vgs (Max)
Vgs(th) (Max) @ Id
Zero Gate Voltage Drain Current

BSS138 Description

Short technical summary and product information.

The BSS138 is an N-Channel logic level enhancement mode field effect transistor produced by On Semiconductor (onsemi) using their proprietary, high cell density DMOS technology.

 

This MOSFET is rated for a drain-source voltage of 50V and a continuous drain current of 220mA at 25°C. Key on-resistance specifications include a maximum Rds(on) of 3 ohms at 10V gate drive and 6 ohms at 4.5V gate drive. The device has a maximum gate threshold voltage of 1.6V at 250 µA drain current.

 

The BSS138 features a maximum input capacitance of 27 pF at 25V drain-source voltage. It is designed for low voltage, low current applications and offers rugged, reliable, and fast switching performance.

 

The device is offered in the industry standard SOT-23-3 surface mount package (TO-236-3, SC-59 alternatives) and is supplied in tape and reel packaging with 3000 pieces per reel. The maximum power dissipation is 350 mW at 25°C ambient. The operating junction temperature range is up to 150°C.

BSS138 Quick Information

Product Type: Single MOSFET
Series: BSS138
Canonical Name: BSS138 N-Channel Logic Level Enhancement Mode Field Effect Transistor
Subcategory: N-Channel MOSFET

BSS138 Compliance

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

BSS138 Estimated Pricing

Qty Low High
1+ $0.38 $0.38
10+ $0.27 $0.27
100+ $0.17 $0.17
500+ $0.11 $0.11
1,000+ $0.09 $0.09
3,000+ $0.09 $0.09

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

BSS138 Features

  • N-Channel enhancement mode MOSFET design.
  • Rated for 50V drain-source voltage.
  • 220mA continuous drain current capability.
  • Low 3 Ohm on-resistance at 10V drive.
  • Surface mount SOT-23-3 package.

BSS138 Applications

  • Used in small servo motor control circuits.
  • Ideal for power MOSFET gate driver stages.
  • Suitable for low voltage switching applications.

BSS138 FAQs

7 frequently asked questions generated from this part’s specifications.
What is the drain-source voltage rating of the BSS138?

The BSS138 has a drain-source voltage (Vdss) rating of 50V.

What is the continuous drain current of the BSS138?

The continuous drain current is 220mA at Ta = 25°C.

What is the Rds(on) of the BSS138?

The maximum Rds(on) is 3 ohms at Id = 500mA, Vgs = 10V.

What is the operating temperature range?

The operating junction temperature range is up to 150°C.

What package is the BSS138 available in?

The BSS138 is available in the SOT-23-3 surface mount package (also TO-236-3 and SC-59).

Is the BSS138 RoHS compliant?

The datasheet states the device is Pb-Free and Halogen Free. RoHS compliance information from existing_db is unverified.

What is the gate threshold voltage of the BSS138?

The maximum gate threshold voltage is 1.6V at Id = 250 µA. Typical threshold is 1.3V.

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