BC848B-13-F Equivalent & Substitute Parts

Part Overview

The BC848B-13-F is an NPN bipolar junction transistor manufactured by Diodes Incorporated, designed for general-purpose switching and amplification applications. This surface mount device operates at 30 V collector-emitter breakdown voltage with a maximum collector current of 100 mA and transition frequency of 300 MHz. The part is classified as Active product status with full RoHS3 compliance and unlimited moisture sensitivity rating.

Substitute parts are necessary when the primary part becomes unavailable due to supply constraints, manufacturing discontinuation, or when alternative manufacturers' versions meet identical electrical and mechanical specifications. Equivalent parts must maintain compatibility across voltage ratings, current ratings, package geometry, and thermal characteristics to ensure direct replacement without circuit redesign.

Key Parameters

Parameter	BC848B-13-F Value	Unit
Transistor Type	NPN	—
Collector-Emitter Breakdown Voltage (Max)	30	V
Collector Current (Max)	100	mA
Vce Saturation (Max) @ Ib, Ic	600 mV @ 5 mA, 100 mA	—
DC Current Gain (hFE Min) @ Ic, Vce	450 @ 2 mA, 5 V	—
Power Dissipation (Max)	310	mW
Transition Frequency	300	MHz
Operating Temperature Range	-65 to 150	°C
Package / Case	SOT-23-3 (TO-236-3, SC-59)	—
Mounting Type	Surface Mount	—
RoHS Status	ROHS3 Compliant	—
Moisture Sensitivity Level	1 (Unlimited)	—

Substitute Part Grouping Explanation

Substitution of the BC848B-13-F is determined by strict adherence to the following electrical and mechanical parameters:

Critical Matching Parameters:

Transistor Type: NPN configuration
Collector-Emitter Breakdown Voltage: 30 V minimum
Collector Current Rating: 100 mA minimum
Package Type: SOT-23-3 (TO-236-3, SC-59) surface mount
Vce Saturation: 600 mV maximum @ 5 mA, 100 mA
DC Current Gain (hFE): Minimum 200 @ 2 mA, 5 V
Power Dissipation: 250 mW minimum
Operating Temperature: -55°C to 150°C minimum range
RoHS3 Compliance: Required
Moisture Sensitivity: Level 1 (Unlimited)

Substitute parts are grouped into two categories based on transition frequency capability:

Category A - Standard Frequency (100 MHz): Parts with 100 MHz transition frequency maintain electrical equivalence for DC and low-frequency switching applications. These include BC848A RFG, BC848B RFG, BC848B,215, BC848B,235, BC848BLT1G, BC848C RFG, and BC848CLT1G.

Category B - Enhanced Frequency (250-330 MHz): Parts with higher transition frequencies (250 MHz or greater) provide additional performance margin for higher-frequency applications. These include BC848BE6327HTSA1 (250 MHz) and 2SD2657KT146 (330 MHz).

All substitute parts maintain identical package geometry, pin configuration, and thermal characteristics, enabling direct PCB-level replacement.

Parameter Comparison

Part Number	Manufacturer	Ic (Max) mA	Vce(br) V	Vce Sat mV	hFE Min @ Ic, Vce	Power mW	Freq MHz	Temp Range °C	Package	Status
BC848B-13-F	Diodes Inc.	100	30	600 @ 5mA, 100mA	450 @ 2mA, 5V	310	300	-65 to 150	SOT-23-3	Active
BC848A RFG	Taiwan Semi	100	30	500 @ 5mA, 100mA	110 @ 2mA, 5V	200	100	-55 to 150	SOT-23-3	Active
BC848ALT1G	onsemi	100	30	600 @ 5mA, 100mA	110 @ 2mA, 5V	300	100	-55 to 150	SOT-23-3	Active
BC848B RFG	Taiwan Semi	100	30	500 @ 5mA, 100mA	200 @ 2mA, 5V	200	100	-55 to 150	SOT-23-3	Active
BC848B,215	Nexperia	100	30	600 @ 5mA, 100mA	200 @ 2mA, 5V	250	100	-55 to 150	SOT-23-3	Active
BC848B,235	Nexperia	100	30	600 @ 5mA, 100mA	200 @ 2mA, 5V	250	100	-55 to 150	SOT-23-3	Active
BC848BE6327HTSA1	Infineon	100	30	600 @ 5mA, 100mA	200 @ 2mA, 5V	330	250	-55 to 150	SOT-23-3	Last Time Buy
BC848BLT1G	onsemi	100	30	600 @ 5mA, 100mA	200 @ 2mA, 5V	300	100	-55 to 150	SOT-23-3	Active
BC848C RFG	Taiwan Semi	100	30	500 @ 5mA, 100mA	420 @ 2mA, 5V	200	100	-55 to 150	SOT-23-3	Active
BC848CLT1G	onsemi	100	30	600 @ 5mA, 100mA	420 @ 2mA, 5V	300	100	-55 to 150	SOT-23-3	Active
2SD2657KT146	Rohm Semi	1500	30	350 @ 50mA, 1A	270 @ 100mA, 2V	200	330	-55 to 150	SOT-23-3	Active

Engineering Selection Recommendations

Primary Substitutes (Recommended for Direct Replacement):

BC848BLT1G (onsemi) and BC848B,215 (Nexperia) are the preferred substitutes for the BC848B-13-F. Both parts maintain identical electrical specifications including 100 mA collector current, 30 V breakdown voltage, 600 mV saturation voltage, and 200 mV DC current gain minimum. Both are Active product status with full RoHS3 compliance and unlimited moisture sensitivity. BC848BLT1G provides 300 mW power dissipation matching the original part, while BC848B,215 provides 250 mW. Both support the -55°C to 150°C operating temperature range.

Secondary Substitutes (Equivalent with Variations):

BC848ALT1G (onsemi) and BC848C RFG (Taiwan Semiconductor) are electrically equivalent with minor parameter variations. BC848ALT1G matches the original part's 300 mW power rating and 600 mV saturation voltage. BC848C RFG exhibits higher DC current gain (420 minimum) and lower saturation voltage (500 mV), suitable for applications requiring enhanced gain characteristics. Both maintain Active status and full compliance.

Enhanced Performance Substitute:

BC848BE6327HTSA1 (Infineon) provides higher transition frequency (250 MHz versus 300 MHz in the original) and 330 mW power dissipation. This part is classified as Last Time Buy, indicating limited availability. It is suitable for higher-frequency switching applications while maintaining all other electrical parameters.

Higher Current Alternative:

2SD2657KT146 (Rohm Semiconductor) is not a direct substitute due to significantly higher collector current rating (1.5 A versus 100 mA). This part is suitable only for applications requiring higher current handling and should not be used as a drop-in replacement without circuit analysis.

Packaging Consideration:

All recommended substitutes use identical SOT-23-3 (TO-236-3, SC-59) surface mount packaging, enabling direct PCB-level replacement without layout modifications.

Frequently Asked Questions (FAQ)

Q: Can BC848BLT1G replace BC848B-13-F directly on the PCB?

A: Yes. BC848BLT1G is a direct substitute with identical package geometry (SOT-23-3), pin configuration, and electrical specifications. Both parts support 100 mA collector current, 30 V breakdown voltage, and -55°C to 150°C operating temperature. No circuit modifications are required.

Q: What is the difference between BC848A, BC848B, and BC848C variants?

A: The variants differ in DC current gain (hFE) specifications. BC848A has minimum hFE of 110, BC848B has minimum hFE of 200, and BC848C has minimum hFE of 420, all measured at 2 mA collector current and 5 V collector-emitter voltage. The BC848B-13-F specifies 450 minimum hFE, making BC848C RFG the closest match among variants.

Q: Why is BC848BE6327HTSA1 marked as Last Time Buy?

A: Last Time Buy status indicates the manufacturer has announced end-of-life production. This part remains available in current inventory but will not be manufactured after a specified date. It is suitable for immediate use but not recommended for new long-term designs due to future unavailability.

Q: Can 2SD2657KT146 be used as a substitute?

A: 2SD2657KT146 is not a direct substitute. While it maintains the same 30 V breakdown voltage and SOT-23-3 package, its 1.5 A collector current rating is 15 times higher than the BC848B-13-F. This part is designed for higher-current applications and would require circuit redesign to implement safely.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All listed substitute parts are RoHS3 compliant with Level 1 (Unlimited) moisture sensitivity rating, matching the original BC848B-13-F specifications.

Q: What is the significance of transition frequency differences?

A: Transition frequency (fT) indicates the maximum frequency at which the transistor maintains useful gain. The BC848B-13-F operates at 300 MHz, while most substitutes operate at 100 MHz. For DC and low-frequency switching applications below 100 MHz, all substitutes are equivalent. For applications approaching 300 MHz, BC848BE6327HTSA1 (250 MHz) or the original part are preferred.

Q: Can packaging variants (Tape & Reel versus Cut Tape) affect substitution?

A: Packaging variants (TR, CT, Digi-Reel) affect only the supply format and handling, not electrical performance or PCB compatibility. All SOT-23-3 packaged parts are mechanically identical and interchangeable at the component level.

Q: What does Vce Saturation specification mean for substitution?

A: Vce Saturation is the minimum voltage drop across the transistor when fully conducting. The BC848B-13-F specifies 600 mV maximum at 5 mA base current and 100 mA collector current. Substitutes with equal or lower saturation voltage (500 mV) are acceptable and may provide improved efficiency. Higher saturation voltage would increase power dissipation and is not recommended.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message