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
MMBT2484LT3G Datasheet	Onsemi	TRANS NPN 60V 0.1A SOT23-3	Availability:49103	1+ $0.0266 25+ $0.0261 100+ $0.0250 500+ $0.0239 1000+ $0.0227	min:1
FCX458TA Datasheet	Diodes Incorporated	TRANS NPN 400V 0.225A SOT89-3	Availability:6897	10+ $0.1925 1000+ $0.1283 2000+ $0.1093 3000+ $0.1083 5000+ $0.0980	min:1
2SA1740E-TD-E Datasheet	Rochester Electronics	PNP SILICON TRANSISTOR	Availability:14400	100+ $0.2497 500+ $0.2247 1000+ $0.2072 10000+ $0.1848 100000+ $0.1548	min:1
MMBT2907AT-7-F Datasheet	Diodes Incorporated	TRANS PNP 60V 0.6A SOT523	Availability:35457	10+ $0.0544 3000+ $0.0302 6000+ $0.0274 9000+ $0.0271 15000+ $0.0269	min:1
BC817-40Q-7-F Datasheet	Diodes Incorporated	TRANS NPN 45V 0.5A SOT23-3	Availability:29777	10+ $0.0223 8403+ $0.0124	min:1
FCX491TA Datasheet	Diodes Incorporated	TRANS NPN 60V 1A SOT89-3	Availability:6387	1+ $0.5580 10+ $0.3825 100+ $0.2655 500+ $0.2025 1000+ $0.1701	min:1
2SD2261-TD-E Datasheet	Rochester Electronics	NPN 2.5A 60V DARLINGTON	Availability:11512	100+ $0.2497 500+ $0.2247 1000+ $0.2072 10000+ $0.1848 100000+ $0.1548	min:1
MMBTA06-HF Datasheet	Comchip Technology	TRANS NPN 80V 0.5A SOT23-3	Availability:15680	10+ $0.0967 3000+ $0.0537 6000+ $0.0483 9000+ $0.0455 15000+ $0.0424	min:1
BC807-40Q-7-F Datasheet	Diodes Incorporated	TRANS PNP 45V 0.5A SOT23-3	Availability:14920	10+ $0.0619 3000+ $0.0344 6000+ $0.0307 9000+ $0.0288 15000+ $0.0267	min:1
FCX491ATA Datasheet	Diodes Incorporated	TRANS NPN 40V 1A SOT89-3	Availability:16376	10+ $0.1428 756+ $0.1190 1000+ $0.1127 2000+ $0.1120 3000+ $0.1106	min:1

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

FAQ