BC850CLT1 NPN Bipolar Junction Transistor Equivalent & Substitute Parts

Part Overview

The BC850CLT1 is an NPN bipolar junction transistor manufactured by onsemi, designed for general-purpose switching and amplification applications. The device features a 45 V collector-emitter breakdown voltage, 100 mA maximum collector current, and 225 mW power dissipation in a surface mount SOT-23-3 package. The BC850CLT1 is classified as obsolete, necessitating identification of active equivalent and substitute components for new designs and ongoing production requirements. Direct equivalents and parametric alternatives are available from multiple manufacturers with active product status and improved compliance certifications.

Key Parameters

Parameter	BC850CLT1	Unit
Transistor Type	NPN	—
Voltage - Collector Emitter Breakdown (Max)	45	V
Current - Collector (Ic) (Max)	100	mA
Vce Saturation (Max) @ Ib, Ic	600mV @ 5mA, 100mA	V
Current - Collector Cutoff (Max)	15	nA
DC Current Gain (hFE) (Min) @ Ic, Vce	420 @ 2mA, 5V	—
Power - Max	225	mW
Frequency - Transition	100	MHz
Operating Temperature	-55 to 150	°C
Mounting Type	Surface Mount	—
Package / Case	SOT-23-3 (TO-236)	—
Product Status	Obsolete	—
RoHS Status	Non-compliant	—

Substitute Part Grouping Explanation

Substitution of the BC850CLT1 is determined by electrical and mechanical parameter compatibility within the NPN bipolar junction transistor category. The critical parameters governing substitution are:

Electrical Parameters:

Collector-emitter breakdown voltage (VCEO): minimum 45 V
Maximum collector current (Ic): minimum 100 mA
DC current gain (hFE): minimum 420 @ 2mA, 5V
Transition frequency: minimum 100 MHz
Power dissipation: minimum 225 mW
Saturation voltage characteristics

Mechanical Parameters:

Surface mount packaging: SOT-23-3 (TO-236) or equivalent footprint
Moisture sensitivity level: MSL 1 (Unlimited)

Compliance Parameters:

RoHS3 compliance preferred for new designs
Operating temperature range: -55°C to 150°C minimum

Substitute parts are classified into three categories:

Direct Equivalents: Identical electrical specifications and packaging with active product status and improved compliance.

Parametric Equivalents: Identical electrical specifications with alternative packaging formats from the same manufacturer.

Upgrade Alternatives: Enhanced electrical specifications (higher power dissipation, transition frequency, or automotive qualification) maintaining backward compatibility with the BC850CLT1 application envelope.

Parameter Comparison

Part Number	Manufacturer	Ic (Max) mA	VCEO (Max) V	Vce Sat (Max) mV	hFE (Min)	Freq (MHz)	Power (mW)	Temp (°C)	Package	Status	RoHS
BC850CLT1	onsemi	100	45	600	420	100	225	-55 to 150	SOT-23-3	Obsolete	Non-compliant
BC850CLT1G	onsemi	100	45	600	420	100	225	-55 to 150	SOT-23-3	Active	ROHS3
NSVBC850CLT1G	onsemi	100	45	600	420	100	225	-55 to 150	SOT-23-3	Active	ROHS3
BC847C,215	Nexperia USA Inc.	100	45	400	420	100	250	-55 to 150	TO-236AB	Active	ROHS3
BC847C,235	Nexperia USA Inc.	100	45	400	420	100	250	-55 to 150	TO-236AB	Active	ROHS3
BC847C-7-F	Diodes Incorporated	100	45	600	420	300	300	-65 to 150	SOT-23-3	Active	ROHS3
2PD601BRL,215	Nexperia USA Inc.	200	50	250	210	250	250	-55 to 150	TO-236AB	Active	ROHS3
2PD601BSL,215	NXP Semiconductors	200	50	250	290	250	250	-55 to 150	TO-236AB	Active	ROHS3
2SC1623-L6-TP	Micro Commercial Co	100	50	300	—	250	200	-55 to 150	SOT-23	Active	ROHS3
BC817-25,215	NXP USA Inc.	500	45	700	160	100	250	-55 to 150	SOT-23	Active	—
BC817-25-7-F	Diodes Incorporated	500	45	700	160	100	310	-65 to 150	SOT-23-3	Active	ROHS3

Engineering Selection Recommendations

Primary Recommendation - Direct Equivalent:

BC850CLT1G (onsemi) is the direct equivalent replacement for BC850CLT1. This part maintains identical electrical specifications and packaging while offering active product status and ROHS3 compliance. The part is available in Cut Tape and Digi-Reel packaging formats with substantial inventory (254,300 units).

Secondary Recommendation - Parametric Equivalent:

NSVBC850CLT1G (onsemi) provides identical electrical performance to BC850CLT1 with active status and ROHS3 compliance. This variant is supplied in Tape & Reel packaging and is suitable for high-volume automated assembly processes.

Upgrade Alternative - Enhanced Performance:

BC847C-7-F (Diodes Incorporated) offers improved specifications including 300 MHz transition frequency (versus 100 MHz), 300 mW power dissipation (versus 225 mW), and extended operating temperature range (-65°C to 150°C). This part maintains electrical compatibility while providing performance margin for demanding applications. ROHS3 compliant with active status.

Alternative for Higher Current Applications:

BC817-25-7-F (Diodes Incorporated) accommodates 500 mA collector current versus 100 mA in the BC850CLT1, enabling use in higher-current switching applications while maintaining 45 V VCEO rating. ROHS3 compliant with active status and extended temperature range.

Automotive-Grade Options:

BC847C,215 and BC847C,235 (Nexperia USA Inc.) provide AEC-Q101 automotive qualification with identical electrical specifications to BC850CLT1. These parts are suitable for automotive and industrial applications requiring qualification documentation.

All recommended substitutes maintain surface mount SOT-23 family packaging compatibility and are available from established semiconductor distributors with active product status and current compliance certifications.

Frequently Asked Questions (FAQ)

Q: Can BC850CLT1G be used as a direct replacement for BC850CLT1?

A: Yes. BC850CLT1G is the direct equivalent with identical electrical specifications (45 V VCEO, 100 mA Ic, 225 mW power, 100 MHz transition frequency) and SOT-23-3 packaging. The primary differences are active product status and ROHS3 compliance. No circuit modifications are required.

Q: What is the difference between BC850CLT1G and NSVBC850CLT1G?

A: Both parts are onsemi equivalents with identical electrical specifications. The primary difference is packaging format: BC850CLT1G is supplied in Cut Tape and Digi-Reel, while NSVBC850CLT1G is supplied in Tape & Reel. Selection depends on assembly process requirements.

Q: Are BC847C variants compatible with BC850CLT1?

A: BC847C variants (BC847C,215 and BC847C,235 from Nexperia) are electrically compatible with BC850CLT1. They maintain 45 V VCEO, 100 mA Ic, and 100 MHz transition frequency. The BC847C offers improved saturation voltage (400 mV versus 600 mV) and higher power dissipation (250 mW versus 225 mW). Both variants are ROHS3 compliant and AEC-Q101 qualified.

Q: Can BC847C-7-F from Diodes Incorporated replace BC850CLT1?

A: Yes. BC847C-7-F maintains electrical compatibility with 45 V VCEO and 100 mA Ic. It offers enhanced specifications with 300 MHz transition frequency and 300 mW power dissipation. The extended operating temperature range (-65°C to 150°C) provides additional margin. ROHS3 compliant with active status.

Q: What are the differences between BC850CLT1 and 2PD601 variants?

A: 2PD601 variants (2PD601BRL,215 and 2PD601BSL,215) feature higher collector current (200 mA versus 100 mA) and higher VCEO (50 V versus 45 V). These parts are suitable for applications requiring higher current handling. Transition frequency is 250 MHz versus 100 MHz. These are upgrade alternatives rather than direct equivalents.

Q: Is BC817-25 suitable for BC850CLT1 applications?

A: BC817-25 variants are not direct replacements. They feature 500 mA collector current versus 100 mA, making them suitable only for applications requiring higher current capacity. The 45 V VCEO rating is compatible, but the significantly different current rating requires circuit evaluation before substitution.

Q: What packaging options are available for BC850CLT1 equivalents?

A: BC850CLT1 equivalents are available in SOT-23-3 (TO-236) surface mount packaging. Packaging format options include Cut Tape (CT), Digi-Reel, and Tape & Reel (TR). All variants maintain identical footprint compatibility. Selection depends on assembly process and volume requirements.

Q: Are all recommended substitutes ROHS3 compliant?

A: All primary and upgrade recommendations are ROHS3 compliant. BC850CLT1 is non-compliant. ROHS3 compliance is standard for active products from onsemi, Nexperia, Diodes Incorporated, and NXP Semiconductors.

Q: What is the operating temperature range for BC850CLT1 equivalents?

A: BC850CLT1 and most equivalents operate from -55°C to 150°C. BC847C-7-F and BC817-25-7-F from Diodes Incorporated extend the lower limit to -65°C, providing additional temperature margin for extreme environment applications.

Q: Can 2SC1623-L6-TP replace BC850CLT1?

A: 2SC1623-L6-TP is a similar alternative with 100 mA Ic and 50 V VCEO. It offers 250 MHz transition frequency and 200 mW power dissipation. The higher VCEO provides voltage margin, but the lower power rating may limit use in high-dissipation applications. This is a similar alternative rather than a direct equivalent.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message