BSS138K-7 BSS138K-7 is a 50V N-Channel Enhancement Mode MOSFET from Diodes Incorporated. It features low on-resistance (3.5Ω max at VGS=10V) and is housed in a SOT23 surface-mount package.
Mfr Part #:

BSS138K-7

Available from 1 distributors
Mfr Name: Diodes Incorporated
Diodes Incorporated
BSS138K-7 is a 50V N-Channel Enhancement Mode MOSFET from Diodes Incorporated. It features low on-resistance (3.5Ω max at VGS=10V) and is housed in a SOT23 surface-mount package.
✓ Total Stock: 28,020 pcs
$ Price Range: $0.06 - $0.32

BSS138K-7 Available from 1 distributor

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
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28,020 pcs
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BSS138K-7 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
AEC Qualified
Automotive Grade
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
Storage Temperature
Supplier Device Package
Tape & Reel
Technology
Vgs (Max)
Vgs(th) (Max) @ Id
Weight

BSS138K-7 Description

Short technical summary and product information.

The BSS138K-7 is a 50V N-Channel Enhancement Mode MOSFET designed for high-efficiency power management applications. It offers a maximum continuous drain current of 310mA at 25°C and a low on-state resistance of 3.5Ω at VGS=10V, enabling efficient switching with minimal conduction losses.

 

The device features a low input capacitance of 23.2pF and fast switching speed, making it suitable for load switch and power management circuits. The gate is ESD protected for enhanced robustness. The MOSFET is housed in a compact SOT23 surface-mount package, which is ideal for space-constrained designs.

 

The BSS138K-7 is totally lead-free and fully RoHS compliant, and it is also halogen and antimony free, meeting green environmental standards. The package material is molded plastic with UL 94V-0 flammability rating, and the terminals are matte tin annealed over a copper leadframe for excellent solderability.

BSS138K-7 Quick Information

Product Type: MOSFET
Series: BSS
Canonical Name: BSS138K-7 50V N-Channel Enhancement Mode MOSFET
Subcategory: Single MOSFET

BSS138K-7 Compliance

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

BSS138K-7 Estimated Pricing

Qty Low High
1+ $0.32 $0.32
10+ $0.18 $0.18
100+ $0.12 $0.12
500+ $0.09 $0.09
1,000+ $0.08 $0.08
3,000+ $0.06 $0.06

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

BSS138K-7 Features

  • 50V drain-to-source voltage rating.
  • 310mA continuous drain current at 25°C.
  • 3.5Ω maximum on-resistance at VGS=10V.
  • Low input capacitance of 23.2pF.
  • ESD protected gate for enhanced robustness.

BSS138K-7 Applications

  • Ideal for load switch applications.
  • Used in power management circuits.
  • Suitable for DC-DC converter designs.
  • Applicable in signal switching circuits.

BSS138K-7 FAQs

7 frequently asked questions generated from this part’s specifications.
What is the maximum drain-to-source voltage of the BSS138K-7?

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

What is the maximum continuous drain current at 25°C?

The maximum continuous drain current is 310mA at TA=25°C with VGS=10V.

What is the on-resistance of the BSS138K-7?

The maximum on-resistance (Rds(on)) is 3.5Ω at VGS=10V and ID=220mA.

What package does the BSS138K-7 come in?

The BSS138K-7 is housed in a SOT23 surface-mount package.

Is the BSS138K-7 RoHS compliant?

Yes, the BSS138K-7 is totally lead-free and fully RoHS compliant (RoHS3).

What is the operating temperature range?

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

What is the maximum power dissipation?

The maximum power dissipation is 380mW.

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