Question 1

How to choose the correct component model？

Accepted Answer

We provide the brands and related parameters of components for you to choose from on the Transistors - Bipolar (BJT) - Single, Pre-Biased category page. You can select the model you want based on the above.

Question 2

What are the main brands Transistors - Bipolar (BJT) - Single, Pre-Biased?

Accepted Answer

Typical parameters include American Microsemiconductor, Bourns, Central Semiconductor, Comchip Technology, D Components, Diodes Incorporated, Diotec Semiconductor, Flip Electronics...

Question 3

How to choose between different Transistors - Bipolar (BJT) - Single, Pre-Biased brands?

Accepted Answer

1. Pre-Screen with Industry Certifications (ISO, UL, CE)
Verify compliance with safety certifications like Industry Standards to filter 68% of subpar vendors.
2. Analyze Authentic Customer Reviews
Check platforms like Trustpilot/B2B forums for verified purchase reviews focusing on durability (avg. 4.2★+ recommended).
3. Calculate Long-Term Cost Efficiency
Use formula: Total Cost = (Price × Quantity) + (Failure Rate × Repair Cost) to compare 3-year ROI.
4. Request Sample Testing Reports
Require brands to provide third-party lab reports (e.g., SGS/BV) covering [Such as Brand:American Microsemiconductor, Bourns, Central Semiconductor]. 5. Finalize with On-Site Audit (Optional)
For bulk orders, inspect production facilities using QC checklist templates (Download Free PDF).

Part Number	Manufacturer	Description	Quantity	Unit Price	Operations
BC846BW-AQ Datasheet	Diotec Semiconductor	TRANS NPN 65V 0.1A SOT323	Availability:10800	25+ $0.0271 100+ $0.0161 500+ $0.0134 3000+ $0.0121 12000+ $0.0113	min:1
BC818-25 Datasheet	Diotec Semiconductor	TRANS NPN 25V 0.8A SOT23-3	Availability:13837	1+ $0.1170 10+ $0.0594 100+ $0.0369 500+ $0.0324 1000+ $0.0252	min:1
BCW66F Datasheet	Diotec Semiconductor	TRANS NPN 45V 0.6A SOT23-3	Availability:11331	25+ $0.0291 100+ $0.0157 500+ $0.0139 3000+ $0.0126 12000+ $0.0116	min:1
BC807-40 Datasheet	Diotec Semiconductor	TRANS PNP 45V 0.8A SOT23-3	Availability:20188	10+ $0.0333 3000+ $0.0185 6000+ $0.0163 9000+ $0.0152 15000+ $0.0140	min:1
BC817-25-AQ Datasheet	Diotec Semiconductor	TRANS NPN 45V 0.8A SOT23-3	Availability:8850	10+ $0.0452 3000+ $0.0251 6000+ $0.0223 9000+ $0.0209 15000+ $0.0193	min:1
BC817-40-AQ Datasheet	Diotec Semiconductor	TRANS NPN 45V 0.8A SOT23-3	Availability:12825	25+ $0.0273 100+ $0.0175 500+ $0.0154 3000+ $0.0140 12000+ $0.0130	min:1
BC807-40-AQ Datasheet	Diotec Semiconductor	TRANS PNP 45V 0.8A SOT23-3	Availability:9000	25+ $0.0258 100+ $0.0175 500+ $0.0154 3000+ $0.0140 12000+ $0.0130	min:1
BCW33LT3G Datasheet	Onsemi	TRANS NPN 32V 0.1A SOT23-3	Availability:38958	10+ $0.0498 10000+ $0.0249 20000+ $0.0224 30000+ $0.0212 50000+ $0.0197	min:1
KST4403MTF Datasheet	Rochester Electronics	TRANS PNP 40V 0.6A SOT23-3	Availability:6839	100+ $0.0357 500+ $0.0321 1000+ $0.0297 10000+ $0.0265 100000+ $0.0221	min:1
KSC388CYTA Datasheet	Rochester Electronics	TRANS NPN 25V 0.05A TO92-3	Availability:38197	100+ $0.0357 500+ $0.0321 1000+ $0.0297 10000+ $0.0265 100000+ $0.0221	min:1

Transistors - Bipolar (BJT) - Single, Pre-Biased Components

FAQ