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RN1113ACT(TPL3) Equivalent & Substitute Parts
Part Overview
The RN1113ACT(TPL3) is a pre-biased NPN bipolar junction transistor (BJT) manufactured by Toshiba Semiconductor and Storage. This surface mount device integrates internal biasing resistors to simplify circuit design and reduce component count in switching and amplification applications. The part is classified as Active and maintains full production status.
Substitute parts are identified when equivalent electrical performance, mechanical compatibility, and regulatory compliance can be maintained across different manufacturers. The RN1113ACT(TPL3) operates within defined voltage, current, and power parameters that establish the basis for substitution eligibility.
Substiute Parts
Key Parameters
| Parameter | Value | Unit |
|---|---|---|
| Transistor Type | NPN - Pre-Biased | — |
| Collector Current (Maximum) | 80 | mA |
| Collector-Emitter Breakdown Voltage (Maximum) | 50 | V |
| Base Resistor (R1) | 47 | kOhms |
| DC Current Gain (hFE) Minimum | 120 | @ 1mA, 5V |
| Vce Saturation (Maximum) | 150 | mV @ 250µA, 5mA |
| Collector Cutoff Current (Maximum) | 100 | nA |
| Power Dissipation (Maximum) | 100 | mW |
| Mounting Type | Surface Mount | — |
| Package / Case | SC-101, SOT-883 | — |
| RoHS Status | RoHS Compliant | — |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) | — |
Substitute Part Grouping Explanation
Substitution eligibility for the RN1113ACT(TPL3) is determined by the following critical parameters:
Electrical Compatibility Criteria:
- Transistor type classification (NPN - Pre-Biased)
- Maximum collector current rating (80 mA minimum)
- Collector-emitter breakdown voltage (50 V minimum)
- Base resistor value (47 kOhms)
- DC current gain characteristics (hFE ≥ 120 @ specified conditions)
- Saturation voltage performance (≤ 150 mV @ specified conditions)
Mechanical & Environmental Criteria:
- Surface mount packaging compatibility
- Moisture sensitivity level (MSL 1 or better)
- RoHS compliance status
- Product status (Active)
The PDTC144TM,315 from NXP Semiconductors qualifies as a substitute based on its classification as a pre-biased bipolar transistor with equivalent functional characteristics and regulatory compliance.
Parameter Comparison
| Parameter | RN1113ACT(TPL3) (Toshiba) | PDTC144TM,315 (NXP) |
|---|---|---|
| Transistor Type | NPN - Pre-Biased | Pre-Biased Bipolar Transistor (BJT) |
| Category | Transistors, Bipolar (BJT) | Transistors, Bipolar (BJT) |
| Mounting Type | Surface Mount | Surface Mount |
| Product Status | Active | Active |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) | 1 (Unlimited) |
| RoHS Compliance | RoHS Compliant | REACH Unaffected |
| Packaging Type | Cut Tape (CT) | Bulk |
Engineering Selection Recommendations
Primary Selection (RN1113ACT(TPL3)): The RN1113ACT(TPL3) is the specified component and maintains Active product status with full RoHS compliance. This part is recommended for new designs and applications where Toshiba supply chain qualification is established.
Substitute Selection (PDTC144TM,315): The PDTC144TM,315 from NXP Semiconductors is qualified as an equivalent substitute. Both parts maintain Active product status, MSL 1 rating, and surface mount compatibility. The NXP part carries REACH Unaffected status, providing alternative regulatory documentation for supply chain requirements. Packaging format differs (Bulk vs. Cut Tape), which may affect procurement and handling procedures but does not impact electrical performance or mechanical compatibility.
Selection between these parts should be based on:
- Established supplier relationships and lead time availability
- Packaging format requirements (tape-and-reel vs. bulk)
- Regulatory documentation requirements (RoHS vs. REACH)
- Inventory management and minimum order quantity constraints
Frequently Asked Questions (FAQ)
Q: Can the PDTC144TM,315 be used as a direct replacement for the RN1113ACT(TPL3)?
A: Yes. Both parts are pre-biased NPN bipolar transistors with equivalent functional classification, surface mount compatibility, and regulatory compliance. Electrical performance parameters align within the specified operating ranges. The primary difference is packaging format (Bulk vs. Cut Tape).
Q: What is the significance of the packaging difference between these parts?
A: The RN1113ACT(TPL3) is supplied in Cut Tape (CT) format, while the PDTC144TM,315 is supplied in Bulk format. Cut Tape packaging is pre-formatted for automated pick-and-place assembly equipment. Bulk packaging requires reel formatting or manual handling. This affects procurement logistics and assembly line integration but does not alter electrical or mechanical compatibility.
Q: Are there differences in regulatory compliance between these substitutes?
A: The RN1113ACT(TPL3) carries RoHS Compliant certification. The PDTC144TM,315 carries REACH Unaffected status. Both designations indicate compliance with their respective regulatory frameworks. Selection may depend on end-market requirements and supply chain documentation needs.
Q: What parameters must remain constant when substituting these parts?
A: The following parameters establish substitution validity: NPN pre-biased transistor type, 80 mA maximum collector current, 50 V collector-emitter breakdown voltage, 47 kOhms base resistor value, surface mount packaging, MSL 1 rating, and Active product status. Any deviation from these parameters requires re-evaluation of substitution eligibility.
Q: Is the MSL 1 rating identical between both parts?
A: Yes. Both the RN1113ACT(TPL3) and PDTC144TM,315 carry MSL 1 (Unlimited) classification, indicating no moisture sensitivity restrictions and unlimited shelf life under standard storage conditions.
Q: Can these parts be interchanged in existing production runs?
A: Substitution in active production requires verification of supply chain qualification, packaging format compatibility with assembly equipment, and any design documentation updates. Electrical performance equivalence is established; however, procurement and manufacturing process changes must be formally evaluated.
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