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BC848B_R1_00001
Panjit International Inc.
TRANS NPN 30V 0.1A SOT23
6148 Pcs New Original In Stock
Bipolar (BJT) Transistor NPN 30 V 100 mA 330 mW Surface Mount SOT-23
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5.0 / 5.0
- (205 Ratings)
BC848B_R1_00001
Product Overview
12964804
DiGi Electronics Part Number
BC848B_R1_00001-DGManufacturer
Panjit International Inc.
BC848B_R1_00001
Description
TRANS NPN 30V 0.1A SOT23Inventory
6148 Pcs New Original In Stock
Bipolar (BJT) Transistor NPN 30 V 100 mA 330 mW Surface Mount SOT-23
Quantity
Minimum 1
Minimum 1
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BC848B_R1_00001 Technical Specifications
Category
Transistors, Bipolar (BJT), Single Bipolar Transistors
Packaging
Tape & Reel (TR)
Series
BC848
Product Status
Active
Transistor Type
NPN
Current - Collector (Ic) (Max)
100 mA
Voltage - Collector Emitter Breakdown (Max)
30 V
Vce Saturation (Max) @ Ib, Ic
600mV @ 5mA, 100mA
Current - Collector Cutoff (Max)
15nA (ICBO)
DC Current Gain (hFE) (Min) @ Ic, Vce
200 @ 2mA, 5V
Power - Max
330 mW
Frequency - Transition
-
Operating Temperature
-55°C ~ 150°C (TJ)
Mounting Type
Surface Mount
Package / Case
TO-236-3, SC-59, SOT-23-3
Supplier Device Package
SOT-23
Base Product Number
BC848
Datasheet & Documents
HTML Datasheet
BC848B_R1_00001-DG
Environmental & Export Classification
RoHS Status
ROHS3 Compliant
Moisture Sensitivity Level (MSL)
1 (Unlimited)
REACH Status
REACH Unaffected
ECCN
EAR99
HTSUS
8541.21.0075
Additional Information
Other Names
3757-BC848B_R1_00001TR
3757-BC848B_R1_00001DKR
3757-BC848B_R1_00001CT
Standard Package
3,000
Reviews
5.0/5.0-(Show up to 5 Ratings)
грудня 02, 2025
購買流程簡單，價格便宜，而且每次都能準時收貨，服務一百分！
грудня 02, 2025
我在DiGi Electronics購物後，感受到他們的售後服務非常周到，每次遇到問題都能得到快速且貼心的解答，讓我非常安心購買。
грудня 02, 2025
Après-vente très réactif : ils ont pris en charge mes questions de manière professionnelle et amicale.
грудня 02, 2025
Shipments always arrive fast, and their customer service is top-notch.
грудня 02, 2025
The support I received after my purchase was energy, courteous, and very helpful.
грудня 02, 2025
Their post-sale support team was highly attentive and responded to my queries within hours.
грудня 02, 2025
Every interaction with DiGi Electronics' support has been positive and helpful.
грудня 02, 2025
Fast, efficient shipping made my shopping experience seamless.
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Frequently Asked Questions (FAQ)
What are the key design-in risks when using the BC848B_R1_00001 in a high-temperature industrial control circuit, and how can thermal runaway be mitigated?
When integrating the BC848B_R1_00001 in high-ambient-temperature environments (up to 125°C), the primary risk is thermal runaway due to reduced hFE stability and increased leakage current at elevated junction temperatures. Although the device supports up to 150°C TJ, its DC current gain can vary significantly across temperature. To mitigate this, ensure adequate PCB copper for heat dissipation, avoid exceeding 330 mW total power dissipation, and include negative feedback in biasing networks. Additionally, derate Ic to 70–80 mA above 100°C ambient and verify operation with worst-case hFE (200) to maintain signal integrity in switching or amplification stages.
Can the BC848B_R1_00001 reliably replace the BC847B in a low-noise preamplifier design, and what signal distortion risks should be considered?
Yes, the BC848B_R1_00001 can replace the BC847B in low-noise amplification due to its higher hFE (200 min @ 2mA) and lower Vce(sat), but noise performance must be verified. The BC848B has slightly higher base spreading resistance, which may increase voltage noise in high-impedance sensor interfaces. To minimize distortion, operate the BC848B_R1_00001 in its linear region with stable biasing, use emitter degeneration, and avoid loading the output. Always compare 1/f noise characteristics in actual circuit conditions—while not in the datasheet, practical noise levels may differ from BC847B in audio or precision analog circuits.
How does the BC848B_R1_00001 perform in fast-switching applications compared to the MMBT3904, and what layout considerations reduce switching losses?
The BC848B_R1_00001 offers lower Vce(sat) (600 mV max @ 100 mA) than the MMBT3904 (~700 mV), improving efficiency in low-side switching, but it lacks specified transition frequency (fT), suggesting moderate speed. For switching above 50 kHz, the MMBT3904 may offer better performance due to higher known fT (~300 MHz). To reduce switching losses with the BC848B_R1_00001, minimize base drive rise/fall times using low-impedance drivers, add a small base resistor (100–470Ω) to damp ringing, and use short, direct SOT-23 layout traces. Also, ensure Ib ≥ 10 mA for hard saturation at full load to avoid operating in quasi-saturation, which increases switching tail time.
What are the reliability concerns when using the BC848B_R1_00001 in automotive environments with voltage transients and wide thermal cycling?
While the BC848B_R1_00001 operates from -55°C to 150°C and is suitable for automotive underhood use, its 30 V Vce breakdown margin is tight in 12 V systems with load-dump transients (up to 40 V). Voltage spikes from inductive kickback in relays or solenoids can exceed 30 V, risking breakdown. To enhance reliability, always include a clamp diode for inductive loads and consider a Zener-protected base drive or use a higher-voltage BJT like the BC817 (50 V) in unprotected 12 V systems. Also, verify solder joint integrity under thermal cycling by following IPC-7095 guidelines for SOT-23 MSL1 packaging, even though moisture sensitivity is low.
How do I properly derate the BC848B_R1_00001 for a 24 V DC motor driver with PWM control, and what are the risks of exceeding absolute max ratings in surge conditions?
For PWM-driven 24 V motors, the BC848B_R1_00001 must be derated carefully—despite a 30 V Vce rating, voltage spikes from motor inductance during turn-off can easily exceed 30 V, especially with fast gate drives. Even sub-microsecond transients can degrade the collector-base junction over time. Limit steady-state Vce to ≤24 V and always use a flyback diode rated for 1 A or more across the motor. Additionally, power dissipation should be capped at 250 mW (vs. 330 mW max) to allow for PWM-induced peak currents and ambient heat. For robust motor drive, consider replacing the BC848B_R1_00001 with a BJT such as the BC337 (50 V, 500 mA) or use a MOSFET for better efficiency and surge tolerance.
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BC848B_R1_00001 CAD Models
Panjit International Inc. BC848B_R1_00001 PCB symbols & footprints
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