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
2SA953-A Datasheet	Rochester Electronics	SMALL SIGNAL BIPOLAR TRANS PNP	Availability:13030	100+ $0.2732 500+ $0.2459 1000+ $0.2267 10000+ $0.2021 100000+ $0.1694	min:1
BD138 Datasheet	STMicroelectronics	TRANS PNP 60V 1.5A SOT32-3	Availability:31544	150+ $0.0972 750+ $0.0935 2000+ $0.0911 5000+ $0.0892 12500+ $0.0847	min:1
2SA1478E Datasheet	Rochester Electronics	PNP SILICON TRANSISTOR	Availability:17520	100+ $0.2735 500+ $0.2462 1000+ $0.2270 10000+ $0.2024 100000+ $0.1696	min:1
BD135 Datasheet	STMicroelectronics	TRANS NPN 45V 1.5A SOT32-3	Availability:29393	50+ $0.1026 500+ $0.0990 1500+ $0.0963 6250+ $0.0927 15000+ $0.0882	min:1
SJD1009T4 Datasheet	Rochester Electronics	BIP DPAK NPN SPECIAL TR	Availability:15000	10+ $0.3575 1417+ $0.2383	min:1
2N4124 PBFREE Datasheet	Central Semiconductor	TRANS NPN 25V TO-92	Availability:10231	1+ $0.4410 10+ $0.3771 100+ $0.2619 500+ $0.2556 1000+ $0.2430	min:1
2SC4735F-AY Datasheet	Rochester Electronics	BIP NPN 1A 45V	Availability:12000	100+ $0.2735 500+ $0.2462 1000+ $0.2270 10000+ $0.2024 100000+ $0.1696	min:1
MPSA92 PBFREE Datasheet	Central Semiconductor	TRANS PNP 300V 0.5A TO-92	Availability:34674	1+ $0.3532 10+ $0.2999 100+ $0.2083 2500+ $0.1181 5000+ $0.1121	min:1
2SC3956E Datasheet	Rochester Electronics	NPN SILICON TRANSISTOR	Availability:9600	1+ $0.2243 25+ $0.2198 100+ $0.2108 500+ $0.2019 1000+ $0.1906	min:1
SS8050DBU Datasheet	Onsemi	TRANS NPN 25V 1.5A TO92-3	Availability:20718	1+ $0.0211	min:1

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

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