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BSS138-G The BSS138-G is an N-Channel logic level enhancement mode MOSFET from ON Semiconductor. It is rated for 50V drain-source voltage and 220mA continuous drain current with a maximum on-resistance of 3.5 Ohm at Vgs=10V.
Mfr Part #:

BSS138-G

Available from 2 distributors
Mfr Name: On Semiconductor
On Semiconductor
The BSS138-G is an N-Channel logic level enhancement mode MOSFET from ON Semiconductor. It is rated for 50V drain-source voltage and 220mA continuous drain current with a maximum on-resistance of 3.5 Ohm at Vgs=10V.
✓ Total Stock: 6,018 pcs
$ Price Range: $0.15 - $0.57

BSS138-G Available from 2 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Flip Electronics ✓
Non-Authorised Inventory information
5,836 pcs
On Request
5836 pcs On Request 1 On Request On Request On Request On Request On Request
Bristol Electronics ✓
Non-Authorised Inventory information
182 pcs
On Request
182 pcs On Request 1 On Request On Request On Request On Request On Request
DistyParts aggregates offers from multiple distributors. Final prices, lead times and terms are subject to the distributors' discretion and may change without prior notice. DistyParts is not liable for any discrepancies.

BSS138-G 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
Input Capacitance (Ciss) (Max) @ Vds
Mounting Type
Operating Temperature
Power Dissipation (Max)
Rds On (Max) @ Id, Vgs
Supplier Device Package
Tape & Reel
Technology
Vgs (Max)
Vgs(th) (Max) @ Id
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BSS138-G Description

Short technical summary and product information.

The BSS138-G is an N-Channel logic level enhancement mode field effect transistor manufactured by ON Semiconductor using their proprietary high cell density DMOS technology. This device is designed for low voltage, low current applications requiring efficient switching and minimal on-state resistance.

 

Key electrical specifications include a drain-source voltage rating of 50V, continuous drain current of 220mA, and pulsed drain current capability of 0.88A. The device features a maximum on-resistance of 3.5 Ohm at Vgs=10V and 6.0 Ohm at Vgs=4.5V, making it suitable for logic level gate drive applications. Gate threshold voltage ranges from 0.8V minimum to 1.5V maximum at Id=1mA.

 

The BSS138-G is housed in a compact industry standard SOT-23-3 surface mount package, also known as TO-236-3 or SC-59. It has an operating junction temperature range of -55°C to +150°C and a maximum power dissipation of 360mW at ambient temperature. The device is supplied in tape and reel packaging with 3000 units per reel.

BSS138-G Quick Information

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

BSS138-G Compliance

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

BSS138-G Estimated Pricing

Qty Low High
1+ $0.57 $0.57
10+ $0.35 $0.35
100+ $0.22 $0.22
500+ $0.17 $0.17
1,000+ $0.15 $0.15
3,000+ $0.15 $0.15

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

BSS138-G Features

  • N-Channel logic level enhancement mode MOSFET.
  • Rated for 50V drain-source voltage operation.
  • 220mA continuous drain current capability.
  • Low on-resistance of 3.5 Ohm at 10V gate drive.
  • Compact SOT-23-3 surface mount package.

BSS138-G Applications

  • Ideal for low voltage DC-DC converter circuits.
  • Suitable for small servo motor control applications.
  • Used in power MOSFET gate driver circuits.
  • Designed for general purpose switching applications.

BSS138-G FAQs

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

The maximum drain-source voltage (Vdss) is 50V.

What is the continuous drain current rating of the BSS138-G?

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

What is the on-resistance of the BSS138-G at Vgs=10V?

The maximum on-resistance is 3.5 Ohm at Vgs=10V and Id=220mA.

What package is the BSS138-G available in?

The BSS138-G is available in a SOT-23-3 surface mount package (also known as TO-236-3 or SC-59).

What is the operating temperature range for the BSS138-G?

The operating junction temperature range is -55°C to +150°C.

What is the gate threshold voltage of the BSS138-G?

The gate threshold voltage ranges from 0.8V minimum to 1.5V maximum at Id=1mA, with a typical value of 1.3V.

What is the maximum power dissipation of the BSS138-G?

The maximum power dissipation is 360mW at ambient temperature Ta=25°C.

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