How do the ROHM Semiconductor ROHM Semiconductor BSS1 Series variants differ?

ROHM Semiconductor BSS1 Series part numbers differ by case, current - continuous drain (Id) @ 25°C, input capacitance (Ciss) (Max) @ vds and operating temperature. Use the selection guide above to pick by case.

How many ROHM Semiconductor ROHM Semiconductor BSS1 Series part numbers are listed?

3 ROHM Semiconductor ROHM Semiconductor BSS1 Series part numbers are listed, each with specifications and a datasheet where available.

ROHM Semiconductor BSS1 Series

3 variants · ROHM Semiconductor

About the ROHM Semiconductor ROHM Semiconductor BSS1 Series series

The ROHM Semiconductor ROHM Semiconductor BSS1 Series series groups 3 related part numbers, each listed with full specifications, a datasheet where available, and an RFQ option. Every variant in the range shares a common drain to source voltage of 60 V, drive voltage (Max rds on, min rds on) of 2.5V, 10V and FET feature of -. Variants differ by case, current - continuous drain (Id) @ 25°C and input capacitance (Ciss) (Max) @ vds, so you can match the exact case your application requires using the selection guide below. All listed ROHM Semiconductor BSS1 Series part numbers are active and orderable.

Select a variant by

Case: SC-70, SOT-323 · TO-236-3, SC-59, SOT-23-3
Current - continuous drain (Id) @ 25°C: 310mA (Ta) · 380mA (Ta) · 400mA (Ta)
Input capacitance (Ciss) (Max) @ vds: 15 pF @ 30 V · 47 pF @ 30 V
Operating temperature: 150°C (TJ) · 150°C(TJ)
Package: Tape & Reel (TR) Cut Tape (CT) · Tape & Reel (TR); Cut Tape (CT)
Power dissipation: 200mW · 200mW (Ta)
Rds on (Max) @ id, vgs: 2.4Ohm @ 310mA, 10V · 680mOhm @ 380mA, 10V · 680mOhm @ 400mA, 10V

Variant comparison

Parameter	BSS138BKT116	BSS138BWAHZGT106	BSS138WT106
Case	TO-236-3, SC-59, SOT-23-3	SC-70, SOT-323	SC-70, SOT-323
Current - continuous drain (Id) @ 25°C	400mA (Ta)	380mA (Ta)	310mA (Ta)
Input capacitance (Ciss) (Max) @ vds	47 pF @ 30 V	47 pF @ 30 V	15 pF @ 30 V
Operating temperature	150°C (TJ)	150°C(TJ)	150°C (TJ)
Package	Tape & Reel (TR) Cut Tape (CT)	Tape & Reel (TR); Cut Tape (CT)	Tape & Reel (TR) Cut Tape (CT)
Power dissipation	200mW (Ta)	200mW	200mW (Ta)
Rds on (Max) @ id, vgs	680mOhm @ 400mA, 10V	680mOhm @ 380mA, 10V	2.4Ohm @ 310mA, 10V

Shared specifications

Drain to source voltage: 60 V
Drive voltage (Max rds on, min rds on): 2.5V, 10V
FET feature: -
FET type: N-Channel
Mounting type: Surface Mount
Technology: MOSFET (Metal Oxide)
Vgs: ±20V

Request a quote on any ROHM Semiconductor BSS1 Series part number and we confirm price, availability and lead time per line — including end-of-life and allocation-constrained variants.

Frequently asked questions

How do the ROHM Semiconductor ROHM Semiconductor BSS1 Series variants differ?: ROHM Semiconductor BSS1 Series part numbers differ by case, current - continuous drain (Id) @ 25°C, input capacitance (Ciss) (Max) @ vds and operating temperature. Use the selection guide above to pick by case.
How many ROHM Semiconductor ROHM Semiconductor BSS1 Series part numbers are listed?: 3 ROHM Semiconductor ROHM Semiconductor BSS1 Series part numbers are listed, each with specifications and a datasheet where available.
How do I get pricing and lead time for ROHM Semiconductor ROHM Semiconductor BSS1 Series?: Request a quote (RFQ) for any ROHM Semiconductor BSS1 Series part number and we confirm price, availability and lead time per line — including end-of-life and hard-to-find variants.