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BCW72,235 Equivalent & Substitute Parts
Part Overview
The BCW72,235 is an NPN bipolar junction transistor manufactured by Nexperia USA Inc., designed for general-purpose switching and amplification applications. This surface mount device operates at a maximum collector current of 100 mA, collector-emitter breakdown voltage of 45 V, and maximum power dissipation of 250 mW. The part is qualified to AEC-Q101 automotive standards and carries Active product status. Equivalent and substitute parts are identified to support design flexibility, supply chain continuity, and manufacturing optimization while maintaining electrical and mechanical compatibility within specified parameter ranges.
Substiute Parts
Key Parameters
| Parameter | Value | Unit |
|---|---|---|
| Transistor Type | NPN | — |
| Current - Collector (Ic) Max | 100 | mA |
| Voltage - Collector Emitter Breakdown (Max) | 45 | V |
| Power - Max | 250 | mW |
| Frequency - Transition | 100 | MHz |
| DC Current Gain (hFE) Min @ Ic, Vce | 200 @ 2mA, 5V | — |
| Operating Temperature (TJ) | 150 | °C |
| Package / Case | TO-236-3, SC-59, SOT-23-3 | — |
| Mounting Type | Surface Mount | — |
| Grade | Automotive | — |
| Qualification | AEC-Q101 | — |
| RoHS Status | ROHS3 Compliant | — |
Substitute Part Grouping Explanation
Substitute parts for the BCW72,235 are classified into two categories based on electrical and mechanical compatibility:
Direct Manufacturer Substitutes share identical or superior electrical specifications and are sourced from the same manufacturer (Nexperia USA Inc.) or alternative qualified manufacturers. These parts maintain the same collector current (100 mA), collector-emitter breakdown voltage (45 V), DC current gain minimum (200 @ 2mA, 5V), and surface mount package format (TO-236-3, SC-59, SOT-23-3). Variations in Vce saturation, collector cutoff current, power dissipation, and transition frequency are within acceptable ranges for general-purpose switching applications.
Parametric Equivalents are parts from the same base product family that differ only in packaging format (Tape & Reel variant) while maintaining identical electrical performance specifications.
Substitution eligibility is determined by the following key parameters:
- Transistor Type: NPN
- Collector Current (Ic) Max: 100 mA (minimum requirement)
- Collector-Emitter Breakdown Voltage: 45 V (minimum requirement)
- DC Current Gain (hFE) Min: 200 @ 2mA, 5V
- Surface Mount Package: TO-236-3, SC-59, or SOT-23-3
- RoHS3 Compliance
- Active Product Status
Parameter Comparison
| Part Number | Manufacturer | Ic Max (mA) | Vce Breakdown (V) | Power Max (mW) | fT (MHz) | hFE Min @ 2mA, 5V | Package | Packaging Type | AEC-Q101 |
|---|---|---|---|---|---|---|---|---|---|
| BCW72,235 | Nexperia USA Inc. | 100 | 45 | 250 | 100 | 200 | TO-236-3 | Tape & Reel | Yes |
| BCW72,215 | Nexperia USA Inc. | 100 | 45 | 250 | 100 | 200 | TO-236-3 | Tape & Reel | Yes |
| BC847B,215 | Nexperia USA Inc. | 100 | 45 | 250 | 100 | 200 | TO-236-3 | Cut Tape & Digi-Reel | Yes |
| BC850B,215 | Nexperia USA Inc. | 100 | 45 | 250 | 100 | 200 | TO-236-3 | Cut Tape & Digi-Reel | Yes |
| BC847B-7-F | Diodes Incorporated | 100 | 45 | 300 | 300 | 200 | SOT-23-3 | Cut Tape & Digi-Reel | No |
| BC847B-TP | Micro Commercial Co | 100 | 45 | 225 | 100 | 200 | SOT-23-3 | Tape & Reel | No |
| BC847BLT3G | onsemi | 100 | 45 | 300 | 100 | 200 | SOT-23-3 | Cut Tape & Digi-Reel | Yes |
| BC847C-13-F | Diodes Incorporated | 100 | 45 | 310 | 300 | 200 | SOT-23-3 | Tape & Reel | No |
| BC850BLT1G | onsemi | 100 | 45 | 225 | 100 | 200 | SOT-23-3 | Tape & Reel | Yes |
| BCW72LT1G | onsemi | 100 | 45 | 300 | 300 | 200 | SOT-23-3 | Tape & Reel | No |
| SBC847BLT1G | onsemi | 100 | 45 | 300 | 100 | 200 | SOT-23-3 | Cut Tape & Digi-Reel | Yes |
Engineering Selection Recommendations
Nexperia USA Inc. Direct Substitutes (Recommended for Automotive Applications)
BCW72,215, BC847B,215, and BC850B,215 are direct substitutes from Nexperia USA Inc. with AEC-Q101 qualification matching the original BCW72,235. These parts maintain identical electrical specifications and automotive-grade certification. Selection between these three parts depends on packaging format availability and inventory requirements. All three are Active products with ROHS3 compliance and REACH unaffected status.
onsemi Qualified Substitutes (Automotive-Grade)
BC847BLT3G, BC850BLT1G, and SBC847BLT1G are manufactured by onsemi and carry AEC-Q101 automotive qualification. These parts meet all electrical requirements and are suitable for automotive applications. BC847BLT3G and SBC847BLT1G offer increased power dissipation (300 mW) compared to the original 250 mW specification. All three are Active products with ROHS3 compliance.
Non-Automotive Qualified Substitutes
BC847B-7-F, BC847B-TP, BC847C-13-F, and BCW72LT1G do not carry AEC-Q101 qualification. These parts are suitable for non-automotive applications where automotive-grade certification is not required. BC847B-7-F and BC847C-13-F offer enhanced transition frequency (300 MHz) compared to the original 100 MHz specification.
Selection Criteria
For automotive applications requiring AEC-Q101 compliance, select from Nexperia USA Inc. parts (BCW72,215, BC847B,215, BC850B,215) or onsemi automotive-qualified parts (BC847BLT3G, BC850BLT1G, SBC847BLT1G). For non-automotive applications, all listed substitutes are electrically compatible. Packaging format (Tape & Reel versus Cut Tape & Digi-Reel) should be selected based on manufacturing process requirements and inventory management practices.
Frequently Asked Questions (FAQ)
Q: Can BCW72,235 be replaced with BC847B,215?
A: Yes. BC847B,215 is a direct substitute from Nexperia USA Inc. with identical electrical specifications (100 mA collector current, 45 V breakdown voltage, 250 mW power dissipation, 100 MHz transition frequency, 200 hFE minimum). Both parts carry AEC-Q101 automotive qualification and ROHS3 compliance. The primary difference is packaging format (Cut Tape & Digi-Reel versus Tape & Reel).
Q: What is the difference between BCW72,235 and BCW72,215?
A: BCW72,215 is a parametric equivalent of BCW72,235. Both parts are manufactured by Nexperia USA Inc. and share identical electrical specifications and automotive qualification. The designation difference reflects packaging format variation within the same product line.
Q: Are onsemi parts suitable replacements for Nexperia parts?
A: onsemi parts BC847BLT3G, BC850BLT1G, and SBC847BLT1G are suitable direct substitutes for automotive applications. All three carry AEC-Q101 qualification and meet the electrical requirements of BCW72,235. BCW72LT1G from onsemi is electrically compatible but does not carry AEC-Q101 certification and is suitable for non-automotive applications only.
Q: Can I use BC847B-7-F from Diodes Incorporated as a replacement?
A: BC847B-7-F is electrically compatible with BCW72,235 for general-purpose switching applications. However, it does not carry AEC-Q101 automotive qualification. Use this part only in non-automotive applications. The part offers enhanced transition frequency (300 MHz) and power dissipation (300 mW) compared to the original specification.
Q: What is the significance of the package designation (TO-236-3 versus SOT-23-3)?
A: TO-236-3, SC-59, and SOT-23-3 are equivalent package designations for the same physical form factor. All listed substitute parts use this same surface mount package. The designation variation reflects different naming conventions used by manufacturers and distributors. Physical compatibility is maintained across all parts listed.
Q: Does transition frequency affect substitution compatibility?
A: Transition frequency (fT) is not a limiting parameter for substitution in general-purpose switching applications. The original BCW72,235 specifies 100 MHz. Substitute parts with higher transition frequency (300 MHz) offer enhanced performance and are fully compatible. Parts with 100 MHz transition frequency maintain identical performance characteristics.
Q: Are all listed substitutes RoHS3 compliant?
A: Yes. All substitute parts listed carry ROHS3 compliance status. The original BCW72,235 is ROHS3 compliant, and all qualified substitutes maintain this environmental compliance requirement.
Q: What is the difference between Cut Tape & Digi-Reel and Tape & Reel packaging?
A: Both packaging formats contain the same electronic component. Tape & Reel is a continuous reel format suitable for high-volume automated assembly. Cut Tape & Digi-Reel is a sectioned tape format suitable for lower-volume or mixed-component assembly processes. Selection depends on manufacturing equipment and production volume requirements.
Q: Can I substitute BCW72,235 with a part that has lower power dissipation?
A: No. The original BCW72,235 specifies 250 mW maximum power dissipation. Substitute parts must meet or exceed this specification. All listed substitutes meet or exceed the 250 mW requirement, with several offering 300 mW or higher ratings.
Q: Is AEC-Q101 qualification required for all applications?
A: AEC-Q101 qualification is required for automotive applications. For non-automotive applications, AEC-Q101 certification is not necessary. If your application is non-automotive, parts without AEC-Q101 qualification (BC847B-7-F, BC847B-TP, BC847C-13-F, BCW72LT1G) are suitable alternatives.
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