PDTC114TMB,315 Equivalent & Substitute Parts

Part Overview

The PDTC114TMB,315 is a pre-biased NPN bipolar junction transistor manufactured by Nexperia USA Inc., designed for surface mount applications in the 3-XFDFN package. This component operates at 50 V collector-emitter breakdown voltage with a maximum collector current of 100 mA and 250 mW power dissipation. The part is actively produced and carries AEC-Q100 automotive qualification with ROHS3 compliance.

Substitute parts are identified when equivalent electrical performance and mechanical compatibility can be maintained within the specified parameter ranges. Alternative sources become necessary due to supply chain considerations, product lifecycle status, or packaging availability while preserving circuit functionality.

Substiute Parts

PDTC114TMB,315

Nexperia USA Inc.In Stock: 978PDTC114TMB,315 Datasheet

Current PartRFQ

NSBC114TF3T5G

onsemiIn Stock: 626NSBC114TF3T5G Datasheet

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RN1107ACT(TPL3)

Toshiba Semiconductor and StorageIn Stock: 10559RN1107ACT(TPL3) Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the PDTC114TMB,315 is determined by the following critical parameters:

Electrical Compatibility Criteria:

• Voltage - Collector Emitter Breakdown rating must equal or exceed 50 V
• Current - Collector (Ic) maximum must support 100 mA operation
• Resistor - Base (R1) value must be 10 kOhms
• Transistor type must be NPN - Pre-Biased
• Power dissipation capability must meet or exceed 250 mW

Mechanical Compatibility Criteria:

• Mounting type must be Surface Mount
• Package must accommodate the same PCB footprint or be pin-compatible

Compliance Criteria:

• RoHS3 compliance required
• MSL rating of 1 (Unlimited) required

Parts meeting all electrical, mechanical, and compliance parameters are classified as direct substitutes. Parts with reduced current ratings or power dissipation may function in current-limited applications but do not qualify as full equivalents.

Parameter Comparison

Engineering Selection Recommendations

NSBC114TF3T5G (onsemi): This part maintains electrical equivalence with the PDTC114TMB,315 across all critical parameters: 50 V breakdown voltage, 100 mA maximum collector current, 10 kOhms base resistor, and 254 mW power rating. Both parts carry ROHS3 compliance and MSL 1 rating. The primary consideration is product status: NSBC114TF3T5G is designated Last Time Buy, indicating limited future availability. Package differences (SOT-1123 versus 3-XFDFN) require PCB layout verification for footprint compatibility. This substitute is suitable for applications where the SOT-1123 package can be accommodated and supply continuity is not critical.

RN1107ACT(TPL3) (Toshiba Semiconductor and Storage): This part shares the same 50 V breakdown voltage, 10 kOhms base resistor, and surface mount configuration. However, the maximum collector current is reduced to 80 mA and power dissipation is limited to 100 mW, representing a 20% reduction in current capacity and 60% reduction in power handling compared to the PDTC114TMB,315. RN1107ACT(TPL3) maintains Active product status and carries RoHS compliance with MSL 1 rating. This substitute is applicable only in applications where collector current does not exceed 80 mA and power dissipation remains below 100 mW. Package differences (CST3/SC-101/SOT-883 versus 3-XFDFN) require footprint verification. The higher inventory availability (10,522 pieces) provides supply security for current-limited designs.

Frequently Asked Questions (FAQ)

Q: Can NSBC114TF3T5G directly replace PDTC114TMB,315 in all applications?

A: NSBC114TF3T5G maintains electrical equivalence in voltage rating, collector current, and base resistor value. Substitution requires verification that the SOT-1123 package footprint is compatible with the PCB layout designed for 3-XFDFN. The Last Time Buy status of NSBC114TF3T5G should be considered for long-term production requirements.

Q: What are the limitations of using RN1107ACT(TPL3) as a substitute?

A: RN1107ACT(TPL3) has a maximum collector current of 80 mA versus 100 mA for the PDTC114TMB,315, and maximum power dissipation of 100 mW versus 250 mW. This part is suitable only for applications where collector current remains at or below 80 mA and power dissipation does not exceed 100 mW. The CST3 package differs from the 3-XFDFN package and requires PCB footprint compatibility assessment.

Q: Are all substitute parts RoHS compliant?

A: Yes. PDTC114TMB,315 and NSBC114TF3T5G both carry ROHS3 compliance. RN1107ACT(TPL3) carries RoHS compliance. All three parts meet environmental regulatory requirements for lead-free manufacturing.

Q: What is the significance of product status in selecting a substitute?

A: PDTC114TMB,315 and RN1107ACT(TPL3) are both Active products, indicating ongoing production and long-term availability. NSBC114TF3T5G is designated Last Time Buy, meaning production will cease and no further orders will be accepted after a specified date. For applications requiring extended production runs, Active status parts are preferred.

Q: Do all substitute parts have the same moisture sensitivity level?

A: Yes. PDTC114TMB,315, NSBC114TF3T5G, and RN1107ACT(TPL3) all carry MSL 1 (Unlimited) rating, indicating no moisture sensitivity restrictions and unlimited shelf life under standard storage conditions.

Q: How do package differences affect substitution?

A: Package differences require PCB layout verification. PDTC114TMB,315 uses 3-XFDFN, NSBC114TF3T5G uses SOT-1123, and RN1107ACT(TPL3) uses CST3 (SC-101/SOT-883). Each package has different pin configurations and footprints. Substitution is only valid if the alternative package footprint can be accommodated on the PCB or if the design can be modified to accept the different package.