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
SMUN2112T1 Datasheet	Rochester Electronics	SMALL SIGNAL BIPOLAR TRANSISTOR	Availability:12040	1+ $0.0225 25+ $0.0221 100+ $0.0212 500+ $0.0203 1000+ $0.0192	min:1
PDTB143XQA147 Datasheet	Rochester Electronics	SMALL SIGNAL BIPOLAR TRANSISTOR	Availability:1540	1+ $0.0332 25+ $0.0326 100+ $0.0312 500+ $0.0299 1000+ $0.0283	min:1
PMBTA64,215 Datasheet	Nexperia USA Inc.	TRANS PNP DARL 30V 0.5A TO236AB	Availability:31270	100+ $0.0313 500+ $0.0282 1000+ $0.0260 10000+ $0.0232 100000+ $0.0194	min:1
BC856B_R1_00001 Datasheet	Panjit International Inc.	TRANS PNP 65V 0.1A SOT23	Availability:7200	10+ $0.0520 3000+ $0.0289 6000+ $0.0257	min:1
DTA143T Datasheet	Rochester Electronics	TRANS DIGITAL BJT PNP 50V 100MA	Availability:47827	1+ $0.0225 25+ $0.0221 100+ $0.0212 500+ $0.0203 1000+ $0.0192	min:1
PDTD114EQA147 Datasheet	Rochester Electronics	SMALL SIGNAL BIPOLAR TRANSISTOR	Availability:1540	1+ $0.0332 25+ $0.0326 100+ $0.0312 500+ $0.0299 1000+ $0.0283	min:1
MSD1819A-RT1G Datasheet	Onsemi	TRANS NPN 50V 0.1A SC70-3	Availability:9105	10+ $0.0214 291+ $0.0178	min:1
BC817-25_R1_00001 Datasheet	Panjit International Inc.	TRANS NPN 45V 0.5A SOT323	Availability:9000	1+ $0.1440 10+ $0.0900 100+ $0.0558 500+ $0.0405 1000+ $0.0360	min:1
DTC114T Datasheet	Rochester Electronics	TRANS DIGITAL BJT NPN 50V 100MA	Availability:19426	1+ $0.0225 25+ $0.0221 100+ $0.0212 500+ $0.0203 1000+ $0.0192	min:1
PDTB123EU135 Datasheet	Rochester Electronics	SMALL SIGNAL BIPOLAR TRANSISTOR	Availability:1539	1+ $0.0339 25+ $0.0332 100+ $0.0319 500+ $0.0305 1000+ $0.0288	min:1

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

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