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BC68-25PASX Equivalent & Substitute Parts
Part Overview
The BC68-25PASX is an NPN bipolar junction transistor (BJT) manufactured by Nexperia USA Inc., designed for general-purpose switching and amplification applications. This surface mount device operates at a maximum collector current of 2 A and collector-emitter breakdown voltage of 20 V, with a transition frequency of 170 MHz and maximum power dissipation of 420 mW. The part is currently in active production status with RoHS3 compliance and unlimited moisture sensitivity level (MSL 1). Equivalent substitute parts are identified based on matching electrical characteristics, mechanical packaging, and operational parameters to ensure direct functional replacement in circuit designs.
Substiute Parts
Key Parameters
| Parameter | Value | Unit |
|---|---|---|
| Transistor Type | NPN | — |
| Current - Collector (Ic) (Max) | 2 | A |
| Voltage - Collector Emitter Breakdown (Max) | 20 | V |
| Vce Saturation (Max) @ Ib, Ic | 600 mV @ 200 mA, 2 A | — |
| Current - Collector Cutoff (Max) | 100 | nA |
| DC Current Gain (hFE) (Min) @ Ic, Vce | 85 @ 500 mA, 1 V | — |
| Power - Max | 420 | mW |
| Frequency - Transition | 170 | MHz |
| Operating Temperature (TJ) | 150 | °C |
| Mounting Type | Surface Mount | — |
| Package / Case | 3-UDFN Exposed Pad | — |
| Supplier Device Package | DFN2020D-3 | — |
| RoHS Status | ROHS3 Compliant | — |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) | — |
| REACH Status | REACH Unaffected | — |
Substitute Part Grouping Explanation
Substitute parts for the BC68-25PASX are identified through parametric equivalence matching. The substitution logic is based on the following critical parameters that must remain constant across all equivalent devices:
- Transistor Type: NPN configuration
- Maximum Collector Current (Ic): 2 A
- Collector-Emitter Breakdown Voltage (VCEO): 20 V
- Saturation Voltage (Vce Sat): 600 mV @ 200 mA, 2 A
- Collector Cutoff Current (ICBO): 100 nA maximum
- DC Current Gain (hFE): Minimum 85 @ 500 mA, 1 V
- Maximum Power Dissipation: 420 mW
- Transition Frequency (fT): 170 MHz
- Package Type: 3-UDFN Exposed Pad (DFN2020D-3)
- Mounting Technology: Surface Mount
- Regulatory Compliance: RoHS3 Compliant, REACH Unaffected
Parts meeting all these electrical and mechanical specifications are classified as parametric equivalents and direct functional substitutes.
Parameter Comparison
| Parameter | BC68-25PASX (Main Part) | BC68PASX (Substitute) | Match Status |
|---|---|---|---|
| Manufacturer | Nexperia USA Inc. | NXP Semiconductors | Same Product Line |
| Transistor Type | NPN | NPN | Identical |
| Current - Collector (Ic) (Max) | 2 A | 2 A | Identical |
| Voltage - Collector Emitter Breakdown (Max) | 20 V | 20 V | Identical |
| Vce Saturation (Max) @ Ib, Ic | 600 mV @ 200 mA, 2 A | 600 mV @ 200 mA, 2 A | Identical |
| Current - Collector Cutoff (Max) | 100 nA | 100 nA | Identical |
| DC Current Gain (hFE) (Min) @ Ic, Vce | 85 @ 500 mA, 1 V | 85 @ 500 mA, 1 V | Identical |
| Power - Max | 420 mW | 420 mW | Identical |
| Frequency - Transition | 170 MHz | 170 MHz | Identical |
| Operating Temperature (TJ) | 150°C | 150°C | Identical |
| Mounting Type | Surface Mount | Surface Mount | Identical |
| Package / Case | 3-UDFN Exposed Pad | 3-UDFN Exposed Pad | Identical |
| Supplier Device Package | DFN2020D-3 | DFN2020D-3 | Identical |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant | Identical |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) | 1 (Unlimited) | Identical |
| REACH Status | REACH Unaffected | REACH Unaffected | Identical |
| Product Status | Active | Active | Identical |
Engineering Selection Recommendations
The BC68PASX is a direct parametric equivalent to the BC68-25PASX. Both parts are manufactured within the same product family (Nexperia/NXP Semiconductors), share identical electrical specifications, and are packaged in the same 3-UDFN Exposed Pad (DFN2020D-3) surface mount configuration. Both devices maintain active production status and comply with RoHS3 and REACH regulatory requirements.
The primary distinction between the two parts is packaging format: the BC68-25PASX is supplied in Tape & Reel (TR) format, while the BC68PASX is supplied in Bulk packaging. This difference affects procurement and handling procedures but does not impact electrical performance or functional compatibility in circuit applications.
Selection between these parts should be based on supply chain requirements, packaging format availability, and inventory management practices. Both parts are suitable for direct substitution in applications requiring NPN transistors with 2 A collector current, 20 V breakdown voltage, and 170 MHz transition frequency specifications.
Frequently Asked Questions (FAQ)
Q: Can BC68PASX replace BC68-25PASX in existing circuit designs?
A: Yes. The BC68PASX is a parametric equivalent with identical electrical characteristics, maximum ratings, and package specifications. Direct substitution is supported for all applications designed for the BC68-25PASX.
Q: What is the difference between BC68-25PASX and BC68PASX?
A: The electrical and mechanical specifications are identical. The difference is in packaging format: BC68-25PASX is supplied in Tape & Reel (TR) format for automated assembly, while BC68PASX is supplied in Bulk format. Both use the DFN2020D-3 package.
Q: Are there any compliance or regulatory differences between these parts?
A: No. Both parts are RoHS3 Compliant, REACH Unaffected, and carry identical regulatory certifications. Both are classified as EAR99 for export control purposes.
Q: What is the significance of the DFN2020D-3 package specification?
A: The DFN2020D-3 is a 3-pin ultra-small dual flat no-lead package with exposed pad. This package type is identical for both the main part and substitute, ensuring mechanical and thermal compatibility in PCB layouts and assembly processes.
Q: Can these parts be used interchangeably in high-frequency applications?
A: Yes. Both parts have identical transition frequency specifications of 170 MHz and matching DC current gain characteristics, supporting interchangeable use in switching and amplification circuits operating within this frequency range.
Q: What moisture sensitivity considerations apply to these parts?
A: Both parts carry MSL 1 (Unlimited) rating, indicating no moisture sensitivity restrictions. Standard handling procedures for surface mount components apply, with no special moisture control requirements during storage or assembly.
Q: Are there inventory or lead time considerations when selecting between these parts?
A: Inventory levels differ: BC68-25PASX has 975 pieces in stock, while BC68PASX has 76,010 pieces available. Selection should account for project timelines and supply chain requirements.
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