BC856BS,135 Equivalent & Substitute Parts

Part Overview

The BC856BS,135 is a dual PNP bipolar junction transistor (BJT) array manufactured by Nexperia USA Inc. in a 6-TSSOP surface mount package. This component is classified as an active product and is AEC-Q101 qualified for automotive applications. The device operates at maximum collector current of 100mA with a 65V collector-emitter breakdown voltage, making it suitable for low-power signal switching and amplification circuits. Equivalent and substitute parts are identified based on matching electrical specifications, package compatibility, and operational parameters to ensure functional interchangeability in circuit designs.

Substiute Parts

BC856BS,135

Nexperia USA Inc.In Stock: 6159BC856BS,135 Datasheet

Current PartRFQ

BC856BDW1T1G

onsemiIn Stock: 301730BC856BDW1T1G Datasheet

DirectRFQ

BC856AS-7

Diodes IncorporatedIn Stock: 50270BC856AS-7 Datasheet

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BC856BDW1T3G

onsemiIn Stock: 6249BC856BDW1T3G Datasheet

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BC856S-TP

Micro Commercial CoIn Stock: 3675BC856S-TP Datasheet

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BCM856SH6327XTSA1

Infineon TechnologiesIn Stock: 3467BCM856SH6327XTSA1 Datasheet

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SBC856BDW1T1G

onsemiIn Stock: 104346SBC856BDW1T1G Datasheet

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SBC856BDW1T3G

onsemiIn Stock: 25197SBC856BDW1T3G Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution of the BC856BS,135 is determined by the following critical parameters:

Electrical Compatibility Requirements:

• Transistor configuration: 2 PNP (Dual) array
• Maximum collector current: 100mA
• Collector-emitter breakdown voltage: 65V
• Transition frequency: 100MHz minimum
• Package compatibility: 6-TSSOP, SC-88, or SOT-363

Acceptable Variations:

• Vce saturation voltage may vary within circuit design tolerances
• DC current gain (hFE) variations are acceptable provided minimum specification is met
• Maximum power dissipation may exceed the main part specification
• Operating temperature range may be extended beyond the main part specification
• Product status transitions (Active to Last Time Buy) do not affect electrical substitution

Non-Substitutable Parameters:

• Transistor type must remain 2 PNP (Dual)
• Collector current rating must not be lower than 100mA
• Breakdown voltage must not be lower than 65V
• Package form factor must be compatible with 6-TSSOP, SC-88, or SOT-363

Parameter Comparison

Engineering Selection Recommendations

Direct Automotive-Grade Substitutes:

SBC856BDW1T1G and SBC856BDW1T3G are automotive-grade equivalents manufactured by onsemi with AEC-Q101 qualification matching the BC856BS,135. Both parts maintain the dual PNP configuration, 100mA collector current, and 65V breakdown voltage. These parts feature extended operating temperature range (-55°C to 150°C) and higher power dissipation capability (380mW), providing enhanced thermal margin. Package compatibility is confirmed across SC-88/SC70-6/SOT-363 variants.

Standard-Grade Substitutes with Full Electrical Compatibility:

BC856BDW1T1G and BC856BDW1T3G from onsemi provide electrical equivalence with identical collector current, breakdown voltage, and transition frequency specifications. These parts are suitable for non-automotive applications or where automotive qualification is not required. The extended temperature range and increased power rating offer design flexibility.

Substitutes with Parameter Variations:

BC856AS-7 (Diodes Incorporated) and BC856S-TP (Micro Commercial Co) maintain core electrical specifications but exhibit lower DC current gain (hFE) values of 125 and 110 respectively, compared to the main part specification of 200. These parts are electrically compatible for applications where current gain margin is not critical.

BCM856SH6327XTSA1 (Infineon Technologies) features enhanced transition frequency (250MHz) and is classified as Last Time Buy. This part is suitable for applications requiring higher frequency performance but should not be selected for new designs due to product status.

Compliance and Certification:

All substitute parts maintain ROHS3 compliance and MSL Level 1 (Unlimited) moisture sensitivity rating. Automotive-grade parts (SBC856BDW1T1G, SBC856BDW1T3G) carry AEC-Q101 qualification equivalent to the main part. Standard-grade substitutes are suitable for commercial and industrial applications.

Frequently Asked Questions (FAQ)

Q: Can BC856BDW1T1G replace BC856BS,135 in automotive applications?

A: Yes. SBC856BDW1T1G (not BC856BDW1T1G) is the automotive-qualified equivalent. Both SBC856BDW1T1G and SBC856BDW1T3G carry AEC-Q101 qualification and are suitable for automotive circuit designs. The standard-grade BC856BDW1T1G is not recommended for automotive applications.

Q: What is the difference between BC856BDW1T1G and BC856BDW1T3G?

A: Both parts are electrically identical with matching specifications for collector current (100mA), breakdown voltage (65V), DC current gain (220 @ 2mA, 5V), and transition frequency (100MHz). The suffix designations (T1G vs. T3G) indicate different manufacturing date codes or tape reel configurations but do not affect electrical performance or substitution compatibility.

Q: Why does BC856AS-7 have lower hFE (125) than the main part (200)?

A: DC current gain variation is a normal characteristic across different manufacturers and process technologies. BC856AS-7 remains electrically compatible for applications where the circuit design does not depend on minimum hFE specification. Verify circuit performance if current gain margin is critical to your application.

Q: Is BCM856SH6327XTSA1 suitable for new designs?

A: BCM856SH6327XTSA1 is classified as Last Time Buy, indicating the manufacturer is discontinuing this part. This part should not be selected for new designs. Use SBC856BDW1T1G or SBC856BDW1T3G for automotive applications, or BC856BDW1T1G/BC856BDW1T3G for standard commercial applications.

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

A: All substitute parts are compatible with 6-TSSOP, SC-88, and SOT-363 package designations. However, verify specific supplier device package information: BC856AS-7 and BC856S-TP use SOT-363, while onsemi parts (BC856BDW1T1G, BC856BDW1T3G, SBC856BDW1T1G, SBC856BDW1T3G) use SC-88/SC70-6/SOT-363. BCM856SH6327XTSA1 uses PG-SOT363-PO. Confirm PCB footprint compatibility before substitution.

Q: What is the maximum operating temperature difference between substitutes?

A: BC856BS,135 operates to 150°C maximum junction temperature. Most substitutes extend this range to -55°C or -65°C minimum. BCM856SH6327XTSA1 matches the 150°C maximum but does not specify a minimum temperature. For applications requiring full temperature range operation, select substitutes with -55°C to 150°C or -65°C to 150°C specifications.

Q: Can I use BC856S-TP as a direct replacement in high-current applications?

A: BC856S-TP maintains the 100mA maximum collector current specification and is electrically compatible. However, its lower DC current gain (110 vs. 200) and reduced power dissipation (200mW vs. 300mW) may affect circuit performance in applications requiring high current gain or continuous high-power operation. Verify circuit design margins before substitution.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All listed substitute parts maintain ROHS3 compliance and MSL Level 1 (Unlimited) moisture sensitivity rating, matching the environmental and regulatory status of BC856BS,135.