BC848AW Equivalent & Substitute Parts

Part Overview

The BC848AW is an NPN bipolar junction transistor manufactured by Taiwan Semiconductor Corporation, designed for small-signal switching and amplification applications. This surface-mount device operates at 30V maximum collector-emitter breakdown voltage with a maximum collector current of 100mA and 200mW power dissipation. The BC848AW is classified as an Active product with full RoHS3 compliance and REACH unaffected status. Equivalent and substitute parts are identified to address inventory availability, supply chain continuity, and specific application requirements while maintaining electrical and mechanical compatibility.

Substiute Parts

BC848AW

Taiwan Semiconductor CorporationIn Stock: 670BC848AW Datasheet

Current PartRFQ

BC848CWT1G

Fairchild SemiconductorIn Stock: 15427BC848CWT1G Datasheet

SimilarRFQ

BC849CWH6327XTSA1

Infineon TechnologiesIn Stock: 826BC849CWH6327XTSA1 Datasheet

SimilarRFQ

BC848W,115

Nexperia USA Inc.In Stock: 15128BC848W,115 Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the BC848AW are identified based on strict electrical and mechanical parameter matching. The primary substitution criteria are:

Mandatory Matching Parameters:

• Transistor Type: NPN
• Voltage - Collector Emitter Breakdown (Max): 30V
• Current - Collector (Ic) (Max): 100mA
• Package / Case: SC-70, SOT-323
• Mounting Type: Surface Mount
• Vce Saturation (Max) @ Ib, Ic: 600mV @ 5mA, 100mA
• Current - Collector Cutoff (Max): 15nA (ICBO)
• Operating Temperature Range: -55°C to 150°C

Allowable Parameter Variations:

• Power - Max: 150mW to 250mW (BC848AW baseline: 200mW)
• Frequency - Transition: 100MHz to 250MHz (BC848AW baseline: 100MHz)
• DC Current Gain (hFE): 110 to 420 @ 2mA, 5V (BC848AW baseline: 110)

Substitute parts meeting these criteria are classified as direct electrical equivalents suitable for circuit-level replacement without design modification.

Parameter Comparison

Engineering Selection Recommendations

BC848CWT1G (Fairchild Semiconductor)

This substitute provides direct electrical equivalence with identical voltage, current, and saturation specifications. The higher DC current gain (420 vs. 110) indicates improved amplification characteristics. Power dissipation is rated at 150mW, which is lower than the BC848AW baseline of 200mW; this represents a more conservative thermal specification and is acceptable for applications within the 200mW design envelope. Product status is Active with full availability. Compliance documentation for RoHS3 and REACH status is not specified in the provided data; verification with the manufacturer is required for regulated applications.

BC849CWH6327XTSA1 (Infineon Technologies)

This substitute meets all mandatory electrical parameters with identical voltage, current, and saturation characteristics. The transition frequency is elevated to 250MHz compared to the BC848AW baseline of 100MHz, providing enhanced high-frequency performance. Power dissipation is rated at 250mW, exceeding the BC848AW specification and offering additional thermal margin. The part carries RoHS3 compliance and REACH unaffected status. Product status is Last Time Buy, indicating this part is approaching end-of-life; selection should account for long-term supply availability constraints.

BC848W,115 (Nexperia USA Inc.)

This substitute provides direct parametric equivalence across all critical specifications: 30V breakdown voltage, 100mA collector current, 200mW power dissipation, and 100MHz transition frequency. DC current gain matches the BC848AW baseline at 110 @ 2mA, 5V. The part is qualified to AEC-Q101 automotive standards and carries Automotive grade designation, indicating enhanced reliability screening. Product status is Active with full RoHS3 compliance and REACH unaffected status. This part is suitable for both commercial and automotive applications.

Frequently Asked Questions (FAQ)

Q: Can BC848CWT1G be used as a direct replacement for BC848AW?

A: Yes. BC848CWT1G meets all mandatory electrical parameters: 30V breakdown voltage, 100mA maximum collector current, 600mV saturation voltage, and identical package (SC-70, SOT-323). The higher DC current gain (420 vs. 110) and lower power rating (150mW vs. 200mW) are within acceptable substitution tolerances for small-signal applications. Compliance documentation should be verified for regulated applications.

Q: What is the difference between BC849CWH6327XTSA1 and BC848AW?

A: BC849CWH6327XTSA1 is electrically equivalent with identical voltage and current ratings. Key differences are: transition frequency is 250MHz (vs. 100MHz), power dissipation is 250mW (vs. 200mW), and product status is Last Time Buy (vs. Active). The higher frequency capability makes this part suitable for faster switching applications. Supply availability should be confirmed due to end-of-life status.

Q: Is BC848W,115 suitable for automotive applications?

A: Yes. BC848W,115 is qualified to AEC-Q101 automotive standards and carries Automotive grade designation. It provides parametric equivalence to BC848AW with identical electrical specifications and is suitable for both commercial and automotive circuit implementations.

Q: Are all substitute parts in the same package as BC848AW?

A: Yes. All substitute parts use SC-70 or SOT-323 surface-mount packages, which are physically and electrically compatible. PCB layout and reflow profiles remain unchanged during substitution.

Q: What is the impact of different DC current gain values on circuit performance?

A: DC current gain (hFE) affects base current requirements for a given collector current. BC848CWT1G and BC849CWH6327XTSA1 have hFE of 420 (vs. 110 for BC848AW), requiring lower base drive for equivalent collector current. In voltage amplifier configurations, higher gain may increase voltage amplification. In switching applications with saturated operation, the difference has minimal impact. Circuit-level analysis is required for gain-sensitive applications.

Q: Can I use BC849CWH6327XTSA1 if my design requires 100MHz operation?

A: Yes. BC849CWH6327XTSA1 has a transition frequency of 250MHz, which exceeds the 100MHz requirement. Higher transition frequency provides additional performance margin and does not degrade operation at lower frequencies. This part is suitable for applications designed for 100MHz operation.

Q: What compliance certifications apply to each substitute part?

A: BC848AW, BC849CWH6327XTSA1, and BC848W,115 are RoHS3 compliant and REACH unaffected. BC848CWT1G compliance status is not specified in the provided data. For regulated applications, compliance documentation should be obtained directly from the manufacturer.