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
2N4398 Datasheet	NTE Electronics Inc.	TRANS PNP 40V 30A TO3	Availability:1567	1+ $6.9210 100+ $5.1930 1000+ $4.5000	min:1
BCX70HE6327 Datasheet	Rochester Electronics	TRANS NPN 45V 0.1A SOT23	Availability:6360	25+ $0.0529 100+ $0.0476 250+ $0.0421 1000+ $0.0365 3000+ $0.0341	min:1
BC328-25 Datasheet	Diotec Semiconductor	TRANS PNP 25V 0.8A TO92	Availability:13722	1+ $0.1260 10+ $0.1026 4000+ $0.0405 8000+ $0.0342 24000+ $0.0225	min:1
SBCW72LT1 Datasheet	Rochester Electronics	TRANS NPN 45V 0.1A SOT23-3	Availability:23244	100+ $0.0275 500+ $0.0248 1000+ $0.0228 10000+ $0.0203 100000+ $0.0170	min:1
FN4A4P-T1B-A Datasheet	Rochester Electronics	0.1A, PNP	Availability:46510	1+ $0.0320 25+ $0.0314 100+ $0.0302 500+ $0.0288 1000+ $0.0273	min:1
BC817-40R13 Datasheet	Diotec Semiconductor	TRANS NPN 45V 0.8A SOT23-3	Availability:11880	1+ $0.1440 10+ $0.0873 100+ $0.0536 500+ $0.0389 1000+ $0.0341	min:1
SMBT3904E6767 Datasheet	Rochester Electronics	TRANS NPN 40V 0.2A SOT23	Availability:41494	1+ $0.0197 25+ $0.0194 100+ $0.0185 500+ $0.0177 1000+ $0.0167	min:1
BC817-40QA147 Datasheet	Rochester Electronics	SMALL SIGNAL BIPOLAR TRANSISTOR	Availability:1565	1+ $0.0287 25+ $0.0282 100+ $0.0270 500+ $0.0258 1000+ $0.0244	min:1
BC338-40 Datasheet	Diotec Semiconductor	TRANS NPN 25V 0.8A TO92	Availability:12007	1+ $0.1170 10+ $0.0666 50+ $0.0522 100+ $0.0470 250+ $0.0410	min:1
SPS9499QRLRP Datasheet	Rochester Electronics	SS T092 GP XSTR PNP SPCL	Availability:39293	10+ $0.0478 14085+ $0.0239	min:1

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

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