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-TP Datasheet	Micro Commercial Components, Corp.	TRANS NPN 65V 0.1A SOT323	Availability:2079	1+ $0.3600 10+ $0.2260 100+ $0.1394 500+ $0.1014 1000+ $0.0891	min:1
2N2925 PBFREE Datasheet	Central Semiconductor	TRANS NPN 25V TO-92	Availability:12855	1+ $0.5310 10+ $0.4572 100+ $0.3159 500+ $0.2646 1000+ $0.2475	min:1
KSC2223YMTF Datasheet	Onsemi	TRANS NPN 20V 0.02A SOT23-3	Availability:8872	100+ $0.0303 500+ $0.0273 1000+ $0.0252 10000+ $0.0224 100000+ $0.0188	min:1
2SC3209-T-AZ Datasheet	Rochester Electronics	SMALL SIGNAL BIPOLAR TRANSTR NPN	Availability:32051	1+ $0.3864 25+ $0.3786 100+ $0.3632 500+ $0.3478 1000+ $0.3284	min:1
BC847BW-TP Datasheet	Micro Commercial Components, Corp.	TRANS NPN 45V 0.1A SOT323	Availability:14400	1+ $0.0076 10+ $0.0046 25+ $0.0024	min:1
2SC3840(9)-AZ Datasheet	Rochester Electronics	POWER BIPOLAR TRANSISTOR NPN	Availability:3000	N/A	min:1
BC847AW-TP Datasheet	Micro Commercial Components, Corp.	TRANS NPN 45V 0.1A SOT323	Availability:8700	1+ $0.1890 10+ $0.1125 100+ $0.0486 1000+ $0.0423 3000+ $0.0324	min:1
2SD1843-T-AZ Datasheet	Rochester Electronics	NPN DARLINGTON TRANSISTOR	Availability:31200	100+ $0.4487 500+ $0.4038 1000+ $0.3724 10000+ $0.3320 100000+ $0.2782	min:1
BCW30,215 Datasheet	Nexperia USA Inc.	TRANS PNP 32V 0.1A TO236AB	Availability:18000	100+ $0.0242 500+ $0.0218 1000+ $0.0201 10000+ $0.0179 100000+ $0.0150	min:1
2SC3772-4-TB-E Datasheet	Rochester Electronics	BIP NPN 70MA 16V FT=3G	Availability:25422	100+ $1.0080 500+ $0.9090 1000+ $0.8386 10000+ $0.7477 100000+ $0.6265	min:1

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

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