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Equivalent & Substitute Parts Reference: PDTA144TE,115
Part Overview
The PDTA144TE,115 is a pre-biased PNP bipolar junction transistor (BJT) from NXP USA Inc., designed for surface-mount applications in the SC-75 (SOT-416) package. With a maximum collector-emitter voltage of 50 V, collector current of 100 mA, and integrated base resistor of 47 kΩ, it is targeted towards compact switching and bias circuit designs. The product status is obsolete, necessitating identification of fully compatible, technically equivalent substitute transistors to ensure ongoing manufacturing and support for existing designs.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Manufacturer Part Number | PDTA144TE,115 |
| Category | Transistors, Bipolar (BJT) |
| Transistor Type | PNP - Pre-Biased |
| Voltage - Collector Emitter Breakdown (Max) | 50 V |
| Current - Collector (Ic) (Max) | 100 mA |
| Resistor - Base (R1) | 47 kOhms |
| DC Current Gain (hFE) (Min) @ Ic, Vce | 100 @ 1mA, 5V |
| Vce Saturation (Max) @ Ib, Ic | 150mV @ 500µA, 10mA |
| Current - Collector Cutoff (Max) | 1µA |
| Power - Max | 150 mW |
| Mounting Type | Surface Mount |
| Package / Case | SC-75, SOT-416 |
| RoHS Status | ROHS3 Compliant |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
| REACH Status | REACH Unaffected |
Substitute Part Grouping Explanation
Substitute selection for the PDTA144TE,115 is based exclusively on strict equivalence or adequacy of the following key parameters:
- Transistor Type: PNP - Pre-Biased
- Maximum Collector-Emitter Voltage (Vce)
- Maximum Collector Current (Ic)
- Base Resistor Value (R1)
- Minimum DC Current Gain (hFE)
- Maximum Vce Saturation
- Maximum Power Dissipation
- Mounting Type and Package Compatibility
- RoHS and REACH Compliance, MSL
Only those parts matching or exceeding the above metrics, within the same product category and mounting type, are considered valid substitutes.
Parameter Comparison
| Manufacturer Part Number | Transistor Type | Vce (Max) | Ic (Max) | Base Resistor (R1) | hFE (Min) | Vce(sat) (Max) | Current - Collector Cutoff (Max) | Power - Max | Mounting Type | Package / Case | RoHS Status | MSL | REACH Status |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PDTA144TE,115 | PNP - Pre-Biased | 50 V | 100 mA | 47 kOhms | 100 | 150mV | 1µA | 150 mW | Surface Mount | SC-75, SOT-416 | ROHS3 Compliant | 1 (Unlimited) | REACH Unaffected |
| DTA144EET1G | PNP - Pre-Biased | 50 V | 100 mA | 47 kOhms | 80 | 250mV | 500nA | 200 mW | Surface Mount | SC-75, SOT-416 | ROHS3 Compliant | 1 (Unlimited) | REACH Unaffected |
| DDTA144GUA-7-F | PNP - Pre-Biased | 50 V | 100 mA | 47 kOhms | 68 | 300mV | 500nA | 200 mW | Surface Mount | SC-70, SOT-323 | ROHS3 Compliant | 1 (Unlimited) | REACH Unaffected |
| DTA144EETL | PNP - Pre-Biased | 50 V | 30 mA | 47 kOhms | 68 | 300mV | 500nA | 150 mW | Surface Mount | SC-75, SOT-416 | ROHS3 Compliant | 1 (Unlimited) | REACH Unaffected |
| DDTA144TE-7-F | PNP - Pre-Biased | 50 V | 100 mA | 47 kOhms | 100 | 300mV | 500nA | 150 mW | Surface Mount | SOT-523 | ROHS3 Compliant | 1 (Unlimited) | REACH Unaffected |
| DDTA144TE-7 | PNP - Pre-Biased | -- | -- | -- | -- | -- | -- | 150 mW | Surface Mount | SOT-523 | ROHS3 Compliant | 1 (Unlimited) | REACH Unaffected |
| PDTA144TT,215 | PNP - Pre-Biased | 50 V | 100 mA | 47 kOhms | 100 | 150mV | 1µA | 250 mW | Surface Mount | TO-236-3, SC-59, SOT-23-3 | ROHS3 Compliant | 1 (Unlimited) | REACH Unaffected |
| PDTA144TU,115 | PNP - Pre-Biased | 50 V | 100 mA | 47 kOhms | 100 | 150mV | 1µA | 200 mW | Surface Mount | SC-70, SOT-323 | ROHS3 Compliant | 1 (Unlimited) | REACH Unaffected |
| PDTA144TMB,315 | PNP - Pre-Biased | 50 V | 100 mA | 47 kOhms | 100 | 150mV | 1µA | 250 mW | Surface Mount | SC-101, SOT-883 | ROHS3 Compliant | 1 (Unlimited) | REACH Unaffected |
Engineering Selection Recommendations
Given that PDTA144TE,115 is obsolete, selection of a substitute should be based on ongoing product status (active), RoHS3 compliance, Moisture Sensitivity Level 1 (Unlimited), and REACH Unaffected status. Substitute parts with matching certification and compliance status are suitable for direct replacement in designs requiring regulatory and environmental conformity.
Frequently Asked Questions (FAQ)
Q1: What key electrical parameters must match for substituting the PDTA144TE,115?
A1: Transistor type, maximum collector-emitter voltage, maximum collector current, base resistor value (R1), DC current gain (hFE), Vce saturation (max), and maximum power dissipation should align to ensure true electrical equivalence.
Q2: Are all surface-mount pre-biased PNP BJTs interchangeable?
A2: Only if the key parameters listed above are strictly matched or exceeded, and mechanical package compatibility is ensured.
Q3: Does the package type matter when selecting a substitute?
A3: Yes. Package type and supplier device package must match or be compatible with the original footprint to ensure mechanical and layout compatibility.
Q4: Is RoHS/REACH compliance mandatory for substitution?
A4: Substitution requiring regulatory and environmental compliance must use RoHS-compliant and REACH-unaffected devices, as specified.
Q5: Can parts from different manufacturers be used as substitutes?
A5: If all defined key parameters, package, and compliance statuses match, substitute pre-biased PNP BJTs from alternate manufacturers are suitable replacements.
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