BCM856BSH Equivalent & Substitute Parts

Part Overview

The BCM856BSH is a dual PNP matched pair bipolar junction transistor (BJT) manufactured by Nexperia USA Inc. in a 6-TSSOP surface mount package. This component is classified as an active product and is designed for general-purpose switching and amplification applications requiring matched transistor pairs. The device operates at a maximum collector current of 100mA with a collector-emitter breakdown voltage of 65V and a maximum power dissipation of 300mW. Equivalent and substitute parts are necessary when the primary part becomes unavailable, when alternative packaging formats are required for manufacturing processes, or when design flexibility across multiple suppliers is needed while maintaining electrical performance within specified parameters.

Key Parameters

Parameter	Value	Unit
Transistor Type	2 PNP (Dual) Matched Pair	—
Current - Collector (Ic) Max	100	mA
Voltage - Collector Emitter Breakdown (Max)	65	V
Vce Saturation (Max) @ Ib, Ic	400	mV @ 5mA, 100mA
Current - Collector Cutoff (Max)	15	nA
DC Current Gain (hFE) Min @ Ic, Vce	200	@ 2mA, 5V
Power - Max	300	mW
Frequency - Transition	175	MHz
Operating Temperature (TJ)	150	°C
Package / Case	6-TSSOP, SC-88, SOT-363	—
Mounting Type	Surface Mount	—
Grade	Automotive	—
Qualification	AEC-Q100	—
RoHS Status	ROHS3 Compliant	—

Substitute Part Grouping Explanation

Substitution of the BCM856BSH is determined by strict adherence to the following electrical and mechanical parameters:

Critical Substitution Parameters:

Transistor configuration: 2 PNP (Dual) matched pair
Maximum collector current: 100mA
Collector-emitter breakdown voltage: 65V
Package compatibility: 6-TSSOP, SC-88, or SOT-363 surface mount
Surface mount mounting type
RoHS3 compliance
Moisture sensitivity level: 1 (Unlimited)

Secondary Compatibility Factors:

DC current gain (hFE) minimum specification
Vce saturation voltage
Power dissipation rating
Transition frequency
Operating temperature range
Automotive grade and AEC qualification status

Substitute parts are grouped into two categories: direct electrical equivalents with identical or superior electrical specifications, and functional equivalents that meet the core electrical requirements while differing in secondary parameters such as transition frequency or power dissipation. All substitute parts listed maintain the dual PNP configuration, 100mA collector current rating, and 65V breakdown voltage specification of the BCM856BSH.

Parameter Comparison

Parameter	BCM856BSH (Nexperia)	BC856AS-7 (Diodes Inc.)	BC856ASQ-7-F (Diodes Inc.)	BC856BDW1T1G (onsemi)	BC856BDW1T3G (onsemi)	BC856S-TP (MCC)	BCM856SH6327XTSA1 (Infineon)	NST65010MW6T1G (onsemi)	SBC856BDW1T1G (onsemi)	SBC856BDW1T3G (onsemi)
Transistor Type	2 PNP (Dual) Matched Pair	2 PNP (Dual)	2 PNP (Dual)	2 PNP (Dual)	2 PNP (Dual)	2 PNP (Dual)	2 PNP (Dual)	2 PNP (Dual)	2 PNP (Dual)	2 PNP (Dual)
Ic (Max) [mA]	100	100	100	100	100	100	100	100	100	100
Vce Breakdown (Max) [V]	65	65	65	65	65	65	65	65	65	65
Vce Saturation (Max) [mV]	400 @ 5mA, 100mA	650 @ 5mA, 100mA	650 @ 5mA, 100mA	650 @ 5mA, 100mA	650 @ 5mA, 100mA	300 @ 5mA, 100mA	650 @ 5mA, 100mA	650 @ 5mA, 100mA	650 @ 5mA, 100mA	650 @ 5mA, 100mA
Icbo (Max) [nA]	15	15	15	15	15	15	15	15	15	15
hFE (Min) @ 2mA, 5V	200	125	125	220	220	110	200	220	220	220
Power (Max) [mW]	300	200	200	380	380	200	250	380	380	380
Frequency - Transition [MHz]	175	100	100	100	100	100	250	100	100	100
Operating Temperature (TJ) [°C]	150	-65 to 150	-55 to 150	-55 to 150	-55 to 150	-55 to 150	150	-55 to 150	-55 to 150	-55 to 150
Package / Case	6-TSSOP, SC-88, SOT-363	6-TSSOP, SC-88, SOT-363	6-TSSOP, SC-88, SOT-363	6-TSSOP, SC-88, SOT-363	6-TSSOP, SC-88, SOT-363	6-TSSOP, SC-88, SOT-363	6-VSSOP, SC-88, SOT-363	6-TSSOP, SC-88, SOT-363	6-TSSOP, SC-88, SOT-363	6-TSSOP, SC-88, SOT-363
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Grade	Automotive	—	Automotive	—	—	—	—	—	Automotive	Automotive
Qualification	AEC-Q100	—	AEC-Q101	—	—	—	—	—	AEC-Q101	AEC-Q101
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Product Status	Active	Active	Active	Active	Active	Active	Last Time Buy	Active	Active	Active

Engineering Selection Recommendations

Automotive Applications (AEC-Q100/Q101 Qualified):

For automotive applications requiring AEC-Q100 qualification equivalent to the BCM856BSH, the SBC856BDW1T1G and SBC856BDW1T3G (onsemi) are direct substitutes. Both parts carry AEC-Q101 automotive qualification and maintain all critical electrical parameters. The SBC856BDW1T1G offers 104,300 units in stock, while SBC856BDW1T3G provides 25,100 units. Both support extended operating temperature ranges (-55°C to 150°C) and deliver superior power dissipation (380mW versus 300mW).

BC856ASQ-7-F (Diodes Incorporated) is an alternative automotive-qualified option with AEC-Q101 certification, available in 3,398 units. This part maintains the core electrical specifications with an operating temperature range of -55°C to 150°C.

General-Purpose Applications (Non-Automotive):

For non-automotive applications, BC856BDW1T1G and BC856BDW1T3G (onsemi) provide functional equivalence with enhanced power dissipation (380mW) and extended temperature ranges. NST65010MW6T1G (onsemi) offers identical electrical performance with 3,950 units available.

BC856AS-7 (Diodes Incorporated) is suitable for applications with relaxed temperature requirements, offering the widest operating range (-65°C to 150°C) with 50,200 units in stock.

BC856S-TP (Micro Commercial Co) provides the lowest Vce saturation voltage (300mV) among substitutes, beneficial for low-voltage switching applications, with 3,640 units available.

Last-Time-Buy Consideration:

BCM856SH6327XTSA1 (Infineon) carries a Last Time Buy status and should not be selected for new designs. This part is retained in the substitute list for reference only due to its presence in the original substitute list provided.

Packaging and Inventory Considerations:

All substitute parts are compatible with 6-TSSOP, SC-88, and SOT-363 surface mount packages. SBC856BDW1T1G offers the highest inventory availability (104,300 units), followed by BC856AS-7 (50,200 units), making these options preferable for high-volume production requirements.

Frequently Asked Questions (FAQ)

Q: Can BC856AS-7 replace BCM856BSH in automotive applications?

A: BC856AS-7 is not automotive-qualified and lacks AEC-Q100 or AEC-Q101 certification. It is not suitable for automotive applications requiring these qualifications. For automotive use, select SBC856BDW1T1G, SBC856BDW1T3G, or BC856ASQ-7-F instead.

Q: What is the difference between BC856BDW1T1G and SBC856BDW1T1G?

A: Both parts are manufactured by onsemi and share identical electrical specifications (100mA Ic, 65V Vce breakdown, 100MHz transition frequency, 380mW power dissipation). The primary difference is that SBC856BDW1T1G carries AEC-Q101 automotive qualification, while BC856BDW1T1G does not. SBC856BDW1T1G is the appropriate choice for automotive applications.

Q: Why does BCM856BSH have a higher transition frequency (175MHz) than most substitutes (100MHz)?

A: Transition frequency is a secondary parameter that does not affect substitutability for general-purpose switching and amplification applications. The BCM856BSH's 175MHz specification provides additional performance margin for high-frequency applications. Substitute parts with 100MHz transition frequency are functionally equivalent for most applications operating below this threshold. For applications requiring 175MHz or higher transition frequency, BCM856SH6327XTSA1 (250MHz) is an alternative, though it carries Last Time Buy status.

Q: Are all substitute parts compatible with the 6-TSSOP package?

A: All substitute parts support the 6-TSSOP, SC-88, and SOT-363 package formats. Verify the specific supplier device package designation when ordering to ensure compatibility with your PCB layout and assembly process. Most suppliers offer these parts in multiple package options.

Q: What is the significance of the Vce saturation voltage difference between BCM856BSH (400mV) and most substitutes (650mV)?

A: Vce saturation voltage affects the voltage drop across the transistor in saturation mode. The BCM856BSH's lower saturation voltage (400mV) results in lower power dissipation during switching. BC856S-TP (300mV) offers even lower saturation voltage. For applications sensitive to saturation voltage, select parts with specifications matching your design requirements. Most general-purpose applications tolerate the 650mV saturation voltage of standard substitutes.

Q: Can I use BC856S-TP as a direct replacement for BCM856BSH?

A: BC856S-TP is electrically compatible with BCM856BSH for most applications. However, it has a lower DC current gain (hFE minimum of 110 versus 200) and lower power dissipation (200mW versus 300mW). Verify that your circuit design accommodates these differences before substitution. BC856S-TP is suitable for low-power switching applications.

Q: What is the difference between Cut Tape (CT) and Tape & Reel (TR) packaging?

A: Cut Tape and Digi-Reel packaging are used for lower-volume orders and manual assembly processes, while Tape & Reel packaging is standard for automated pick-and-place assembly. Both formats contain the same components; the difference is in the delivery format. Select the packaging format compatible with your assembly process.

Q: Is BCM856SH6327XTSA1 recommended for new designs?

A: No. BCM856SH6327XTSA1 carries a Last Time Buy product status, indicating that Infineon is discontinuing this part. It should not be selected for new designs. Use active-status alternatives such as SBC856BDW1T1G or BC856BDW1T1G instead.

Q: What does RoHS3 compliance mean?

A: RoHS3 (Restriction of Hazardous Substances Directive 3) compliance indicates that the component meets European environmental regulations restricting the use of hazardous substances such as lead, mercury, and cadmium. All listed parts are RoHS3 compliant, making them suitable for applications subject to environmental regulations.

Q: Can I mix different substitute parts in the same design?

A: Yes, all substitute parts maintain the same electrical specifications for core parameters (Ic, Vce breakdown, package type). However, verify that secondary parameter differences (hFE, Vce saturation, transition frequency) do not affect circuit performance. For matched-pair applications, use parts from the same manufacturer lot to ensure matching characteristics.

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