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
TIP3055 Datasheet	STMicroelectronics	TRANS NPN 60V 15A TO247-3	Availability:20981	10+ $0.4410 600+ $0.3675 1200+ $0.3380 3000+ $0.2995 5400+ $0.2850	min:1
FZT491TA Datasheet	Diodes Incorporated	TRANS NPN 60V 1A SOT223-3	Availability:35243	10+ $0.2565 1000+ $0.1710 2000+ $0.1692 3000+ $0.1674 4000+ $0.1656	min:1
BC556BTA Datasheet	Onsemi	TRANS PNP 65V 0.1A TO92-3	Availability:26467	100+ $0.0374 500+ $0.0337 1000+ $0.0311 10000+ $0.0277 100000+ $0.0232	min:1
BD237G Datasheet	Onsemi	TRANS NPN 80V 2A TO126	Availability:11433	1+ $0.3705 10+ $0.3258 100+ $0.2806 500+ $0.2518 1000+ $0.2362	min:1
FZT549TA Datasheet	Diodes Incorporated	TRANS PNP 30V 1A SOT223-3	Availability:30902	10+ $0.1340 1000+ $0.0893	min:1
SBC807-40WT1G Datasheet	Onsemi	TRANS PNP 45V 0.5A SC70-3	Availability:35146	50+ $0.0283 200+ $0.0266 500+ $0.0252	min:1
BD237 Datasheet	STMicroelectronics	TRANS NPN 80V 2A SOT32-3	Availability:10275	1+ $0.1530 10+ $0.1530 50+ $0.1530 100+ $0.1404 500+ $0.1404	min:1
FZT491ATA Datasheet	Diodes Incorporated	TRANS NPN 40V 1A SOT223-3	Availability:40780	10+ $0.2972 363+ $0.2477 500+ $0.2187 1000+ $0.2025 2000+ $0.1967	min:1
BC556BTF Datasheet	Onsemi	TRANS PNP 65V 0.1A TO92-3	Availability:19327	10+ $0.0495 2000+ $0.0330 6000+ $0.0303 26000+ $0.0292 50000+ $0.0280	min:1
ZTX951 Datasheet	Diodes Incorporated	TRANS PNP 60V 4A E-LINE	Availability:15960	1+ $0.3330 75+ $0.3240 250+ $0.3150 750+ $0.3105 2500+ $0.2970	min:1

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

FAQ