BSS138K is out of stock and can be placed on backorder.
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N-Channel 50 V 220mA (Ta) 350mW (Ta) Surface Mount SOT-23-3
Image shown is a representation only. Exact specifications should be obtained from the product data sheet.

BSS138K

DigiKey Part Number
BSS138KTR-ND - Tape & Reel (TR)
BSS138KCT-ND - Cut Tape (CT)
BSS138KDKR-ND - Digi-Reel®
Manufacturer
Manufacturer Part Number
BSS138K
Description
MOSFET N-CH 50V 220MA SOT23-3
Manufacturer Standard Lead Time
23 Weeks
Customer Reference
Detailed Description
N-Channel 50 V 220mA (Ta) 350mW (Ta) Surface Mount SOT-23-3
Datasheet
 Datasheet
EDA/CAD Models
BSS138K Models
Product Attributes
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Category
Vgs(th) (Max) @ Id
1.2V @ 250µA
Mfr
Gate Charge (Qg) (Max) @ Vgs
2.4 nC @ 10 V
Packaging
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Vgs (Max)
±12V
Part Status
Active
Input Capacitance (Ciss) (Max) @ Vds
58 pF @ 25 V
FET Type
Power Dissipation (Max)
350mW (Ta)
Technology
Operating Temperature
-55°C ~ 150°C (TJ)
Drain to Source Voltage (Vdss)
50 V
Mounting Type
Surface Mount
Current - Continuous Drain (Id) @ 25°C
Supplier Device Package
SOT-23-3
Drive Voltage (Max Rds On, Min Rds On)
1.8V, 2.5V
Package / Case
Rds On (Max) @ Id, Vgs
1.6Ohm @ 50mA, 5V
Base Product Number
Environmental & Export Classifications
Product Questions and Answers
Additional Resources
Substitutes (5)
Part NumberManufacturerQuantity AvailableDigiKey Part NumberUnit PriceSubstitute Type
BSN20Q-7Diodes Incorporated0BSN20Q-7DITR-ND$0.41000Similar
DMN53D0L-13Diodes Incorporated031-DMN53D0L-13TR-ND$0.28000Similar
DMN53D0L-7Diodes Incorporated0DMN53D0L-7DITR-ND$0.36000Similar
RUC002N05T116Rohm Semiconductor0RUC002N05T116TR-ND$0.25000Similar
PJA138K_R1_00001Panjit International Inc.03757-PJA138K_R1_00001TR-ND$0.20000Similar
In-Stock: 0
3,000 past due; estimated in-stock on 02-Nov-2026
Request Stock Notification
All prices are in USD
Cut Tape (CT) & Digi-Reel®
QuantityUnit PriceExt Price
1$0.30000$0.30
10$0.18500$1.85
100$0.11570$11.57
500$0.08548$42.74
1,000$0.07570$75.70
* All Digi-Reel orders will add a $7.00 reeling fee.
Tape & Reel (TR)
QuantityUnit PriceExt Price
3,000$0.06322$189.66
6,000$0.05692$341.52
9,000$0.05370$483.30
15,000$0.05009$751.35
21,000$0.04795$1,006.95
30,000$0.04587$1,376.10
75,000$0.04130$3,097.50
150,000$0.03913$5,869.50
Tariff Status: Tariff may apply if shipping to the United States. Estimated tariff costs will be calculated and displayed in the shopping cart to help you assess potential expenses.