BC817-40W-7 is out of stock and can be placed on backorder.
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Bipolar (BJT) Transistor NPN 45 V 500 mA 100MHz 200 mW Surface Mount SOT-323
Image shown is a representation only. Exact specifications should be obtained from the product data sheet.

BC817-40W-7

DigiKey Part Number
BC817-40WDITR-ND - Tape & Reel (TR)
BC817-40WDICT-ND - Cut Tape (CT)
BC817-40WDIDKR-ND - Digi-Reel®
Manufacturer
Manufacturer Product Number
BC817-40W-7
Description
TRANS NPN 45V 0.5A SOT-323
Manufacturer Standard Lead Time
40 Weeks
Customer Reference
Detailed Description
Bipolar (BJT) Transistor NPN 45 V 500 mA 100MHz 200 mW Surface Mount SOT-323
Datasheet
 Datasheet
Product Attributes
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Category
DC Current Gain (hFE) (Min) @ Ic, Vce
250 @ 100mA, 1V
Mfr
Power - Max
200 mW
Packaging
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Frequency - Transition
100MHz
Part Status
Active
Operating Temperature
-65°C ~ 150°C (TJ)
Transistor Type
Mounting Type
Surface Mount
Current - Collector (Ic) (Max)
500 mA
Package / Case
SC-70, SOT-323
Voltage - Collector Emitter Breakdown (Max)
45 V
Supplier Device Package
SOT-323
Vce Saturation (Max) @ Ib, Ic
700mV @ 50mA, 500mA
Base Product Number
Current - Collector Cutoff (Max)
100nA
Environmental & Export Classifications
Product Questions and Answers
Additional Resources
Substitutes (33)
Part NumberManufacturerQuantity AvailableDigiKey Part NumberUnit PriceSubstitute Type
BC817-40W-TPMCC (Micro Commercial Components)0353-BC817-40W-TP-ND$0.03132Similar
MMST3904-TPMCC (Micro Commercial Components)0MMST3904TPMSTR-ND$0.13000Similar
MMBT3904WT1Gonsemi150,000MMBT3904WT1GOSTR-ND$0.14000Similar
MMBT2222AWT1Gonsemi54,260MMBT2222AWT1GOSTR-ND$0.14000Similar
BC847AWT1Gonsemi0BC847AWT1GOSTR-ND$0.17000Similar
In-Stock: 0
3,000 expected in stock on 28-Sep-2026
Request Stock Notification
All prices are in USD
Cut Tape (CT) & Digi-Reel®
QuantityUnit PriceExt Price
1$0.20000$0.20
10$0.12300$1.23
100$0.07630$7.63
500$0.05568$27.84
1,000$0.04899$48.99
* All Digi-Reel orders will add a $7.00 reeling fee.
Tape & Reel (TR)
QuantityUnit PriceExt Price
3,000$0.04044$121.32
6,000$0.03612$216.72
9,000$0.03391$305.19
15,000$0.03143$471.45
21,000$0.02996$629.16
30,000$0.02853$855.90
75,000$0.02539$1,904.25
150,000$0.02345$3,517.50
300,000$0.02182$6,546.00
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.