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PDTA114EU,135 Equivalent & Substitute Parts
Part Overview
The PDTA114EU,135 is a pre-biased PNP bipolar junction transistor (BJT) manufactured by Nexperia USA Inc. in SOT-323 surface mount packaging. This component integrates internal base and emitter-base resistors, enabling direct logic-level switching applications without external biasing networks. The device operates at 50 V collector-emitter breakdown voltage with 100 mA maximum collector current and 200 mW power dissipation. Product status is Active with full RoHS3 compliance and unlimited moisture sensitivity rating (MSL 1). Equivalent and substitute parts are identified based on matching electrical specifications, package compatibility, and manufacturing certifications to support design flexibility and supply chain continuity.
Substiute Parts
Key Parameters
| Parameter | Value | Unit |
|---|---|---|
| Transistor Type | PNP - Pre-Biased | — |
| Collector Current (Ic) Maximum | 100 | mA |
| Collector-Emitter Breakdown Voltage (Vceo) | 50 | V |
| Base Resistor (R1) | 10 | kΩ |
| Emitter-Base Resistor (R2) | 10 | kΩ |
| DC Current Gain (hFE) Minimum | 30 @ 5mA, 5V | — |
| Vce Saturation Maximum | 150 | mV @ 500µA, 10mA |
| Collector Cutoff Current (Icbo) | 1 | µA |
| Transition Frequency (fT) | 180 | MHz |
| Power Dissipation Maximum | 200 | mW |
| Package / Case | SOT-323 (SC-70) | — |
| Mounting Type | Surface Mount | — |
| RoHS Status | ROHS3 Compliant | — |
| Moisture Sensitivity Level | 1 (Unlimited) | — |
Substitute Part Grouping Explanation
Substitute parts for the PDTA114EU,135 are grouped into two categories based on electrical and mechanical compatibility:
Direct Electrical Equivalents (SOT-323 Package) Parts that maintain identical or superior electrical specifications within the same SOT-323 surface mount package. These substitutes share the 50 V Vceo rating, 100 mA Ic maximum, 10 kΩ base and emitter-base resistors, and surface mount form factor. Transition frequency may exceed the original specification (250 MHz vs. 180 MHz), providing enhanced performance margin. Vce saturation and collector cutoff current specifications may vary within acceptable operating ranges.
Package-Variant Equivalents (Alternative Surface Mount Packages) Parts that maintain core electrical specifications but utilize alternative surface mount packages such as SOT-23-3 or SOT-523. These substitutes are suitable for applications where package footprint flexibility is required, provided PCB layout and assembly equipment support the alternate package geometry.
Key Substitution Parameters:
- Collector-Emitter Breakdown Voltage: 50 V (fixed requirement)
- Maximum Collector Current: 100 mA or greater
- Base Resistor (R1): 10 kΩ (where specified)
- Emitter-Base Resistor (R2): 10 kΩ (where specified)
- DC Current Gain (hFE): 30 minimum @ 5mA, 5V or equivalent bias condition
- Surface Mount Mounting Type
- RoHS3 Compliance
- MSL 1 Rating
Parameter Comparison
| Part Number | Manufacturer | Package | Ic (Max) mA | Vceo (Max) V | R1 (kΩ) | R2 (kΩ) | hFE Min @ Ic, Vce | Vce Sat (Max) mV | fT (MHz) | Power (mW) | Inventory (Pcs) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| PDTA114EU,135 | Nexperia USA Inc. | SOT-323 | 100 | 50 | 10 | 10 | 30 @ 5mA, 5V | 150 @ 500µA, 10mA | 180 | 200 | 10484 |
| MUN5111T1G | onsemi | SC-70-3 (SOT-323) | 100 | 50 | 10 | 10 | 35 @ 5mA, 10V | 250 @ 300µA, 10mA | 202 | 202 | 5300 |
| DDTA114EUA-7-F | Diodes Incorporated | SOT-323 | 100 | 50 | 10 | 10 | 30 @ 5mA, 5V | 300 @ 500µA, 10mA | 250 | 200 | 206400 |
| DDTA114GCA-7-F | Diodes Incorporated | SOT-23-3 | 100 | 50 | — | 10 | 30 @ 5mA, 5V | 300 @ 500µA, 10mA | 250 | 200 | 3400 |
| DDTA114GE-7-F | Diodes Incorporated | SOT-523 | 100 | 50 | — | 10 | 30 @ 5mA, 5V | 300 @ 500µA, 10mA | 250 | 150 | 720 |
| DDTA114GUA-7-F | Diodes Incorporated | SOT-323 | 100 | 50 | — | 10 | 30 @ 5mA, 5V | 300 @ 500µA, 10mA | 250 | 200 | 49080 |
| DDTA114TCA-7-F | Diodes Incorporated | SOT-23-3 | 100 | 50 | 10 | — | 100 @ 1mA, 5V | 300 @ 100µA, 1mA | 250 | 200 | 6070 |
| DDTA114TE-7-F | Diodes Incorporated | SOT-523 | 100 | 50 | 10 | — | 100 @ 1mA, 5V | 300 @ 100µA, 1mA | 250 | 150 | 53180 |
| DDTA114TUA-7-F | Diodes Incorporated | SOT-323 | 100 | 50 | 10 | — | 100 @ 1mA, 5V | 300 @ 100µA, 1mA | 250 | 200 | 38100 |
| DTA114EUA-TP | Micro Commercial Co | SOT-323 | 100 | 50 | 10 | 10 | 30 @ 5mA, 5V | 300 @ 500µA, 10mA | 250 | 200 | 4092 |
| DTA114EUAT106 | Rohm Semiconductor | UMT3 (SOT-323) | 50 | 50 | 10 | 10 | 30 @ 5mA, 5V | 300 @ 500µA, 10mA | 250 | 200 | 125200 |
Engineering Selection Recommendations
Primary Substitutes (Direct Replacement - SOT-323 Package)
DDTA114EUA-7-F (Diodes Incorporated) and DDTA114GUA-7-F (Diodes Incorporated) are primary substitutes for the PDTA114EU,135. Both maintain the SOT-323 package footprint, 50 V Vceo rating, 100 mA Ic maximum, and 10 kΩ internal resistor configuration. These parts feature 250 MHz transition frequency, exceeding the original 180 MHz specification. Vce saturation is 300 mV versus 150 mV on the original part; this represents a measurable but acceptable difference in switching performance. Both parts carry RoHS3 compliance, MSL 1 rating, and demonstrate high inventory availability (206,400 and 49,080 units respectively). DDTA114EUA-7-F is recommended as the first choice due to superior inventory depth.
Secondary Substitutes (SOT-323 Package, Alternative Bias Configuration)
DDTA114TUA-7-F (Diodes Incorporated) provides SOT-323 package compatibility with identical footprint and electrical ratings. This part features a higher DC current gain specification (100 @ 1mA, 5V versus 30 @ 5mA, 5V), indicating different internal bias resistor configuration. This variant is suitable for applications requiring enhanced gain at lower bias currents. Inventory availability is substantial at 38,100 units.
MUN5111T1G (onsemi) offers SC-70-3 (SOT-323) package compatibility with matching electrical specifications. Transition frequency is 202 MHz. Vce saturation is 250 mV at different bias conditions (300µA, 10mA). This part is suitable where onsemi component qualification is required.
DTA114EUA-TP (Micro Commercial Co) provides SOT-323 package compatibility with 10 kΩ base and emitter-base resistors matching the original design. Transition frequency is 250 MHz. This part is suitable for applications requiring Micro Commercial Co sourcing.
Package-Variant Substitutes (Alternative Surface Mount Packages)
DDTA114GCA-7-F and DDTA114TCA-7-F (Diodes Incorporated) utilize SOT-23-3 package, a larger surface mount form factor than SOT-323. These parts maintain 50 V Vceo, 100 mA Ic, and 250 MHz transition frequency. Selection of these variants requires PCB layout modification and assembly equipment compatibility verification.
DDTA114GE-7-F and DDTA114TE-7-F (Diodes Incorporated) utilize SOT-523 package, a smaller surface mount form factor. Power dissipation is reduced to 150 mW. These parts are suitable for space-constrained applications where reduced power handling is acceptable.
Current-Limited Substitute (Reduced Ic Rating)
DTA114EUAT106 (Rohm Semiconductor) in UMT3 package features reduced maximum collector current of 50 mA versus 100 mA on the original part. This substitute is suitable only for applications where collector current does not exceed 50 mA. The UMT3 package is mechanically compatible with SOT-323 footprints. Inventory availability is highest among all listed parts at 125,200 units.
Compliance and Certification
All substitute parts listed carry RoHS3 compliance and MSL 1 (unlimited) moisture sensitivity rating, matching the original PDTA114EU,135 certifications. All parts are classified as Active products with current manufacturing support.
Frequently Asked Questions (FAQ)
Q: Can DDTA114EUA-7-F directly replace PDTA114EU,135 in existing designs?
A: Yes. DDTA114EUA-7-F maintains identical SOT-323 package footprint, 50 V Vceo, 100 mA Ic maximum, and 10 kΩ internal resistor values. The primary difference is 250 MHz transition frequency versus 180 MHz on the original part, representing improved performance. Vce saturation is 300 mV versus 150 mV; this difference may affect switching speed in saturation-mode applications but is within acceptable operating margins for most logic-level switching circuits.
Q: What is the difference between DDTA114GUA-7-F and DDTA114TUA-7-F?
A: Both parts use SOT-323 packaging and 50 V Vceo rating. DDTA114GUA-7-F has DC current gain of 30 @ 5mA, 5V (matching the original PDTA114EU,135 specification). DDTA114TUA-7-F has DC current gain of 100 @ 1mA, 5V, indicating different internal bias resistor configuration optimized for lower bias current operation. Selection depends on circuit bias point requirements.
Q: Can I use DTA114EUAT106 as a substitute?
A: DTA114EUAT106 is suitable only if your application's maximum collector current does not exceed 50 mA. The original PDTA114EU,135 supports 100 mA; this part is rated for 50 mA maximum. The UMT3 package is mechanically compatible with SOT-323 footprints. Verify collector current requirements before selection.
Q: Are SOT-23-3 package variants (DDTA114GCA-7-F, DDTA114TCA-7-F) compatible with existing PCB layouts?
A: SOT-23-3 is a larger package than SOT-323. These variants require PCB layout modification and are not pin-compatible with SOT-323 footprints. Selection of SOT-23-3 variants is appropriate only when PCB redesign is feasible and assembly equipment supports this package type.
Q: What is the advantage of SOT-523 package variants (DDTA114GE-7-F, DDTA114TE-7-F)?
A: SOT-523 is a smaller surface mount package than SOT-323, suitable for space-constrained applications. Power dissipation is reduced to 150 mW versus 200 mW on the original part. These variants are appropriate for applications where reduced power handling is acceptable and compact form factor is required.
Q: Do all substitute parts have the same RoHS and moisture sensitivity ratings?
A: Yes. All substitute parts listed carry RoHS3 compliance and MSL 1 (unlimited) moisture sensitivity rating, matching the original PDTA114EU,135 certifications. All parts are Active products with current manufacturing support.
Q: Which substitute offers the highest inventory availability?
A: DTA114EUAT106 (Rohm Semiconductor) offers the highest inventory at 125,200 units. However, this part has reduced collector current rating (50 mA versus 100 mA). For full electrical equivalence with high availability, DDTA114EUA-7-F (Diodes Incorporated) provides 206,400 units in stock.
Q: Can I use MUN5111T1G if onsemi components are preferred?
A: Yes. MUN5111T1G (onsemi) in SC-70-3 (SOT-323) package maintains 50 V Vceo, 100 mA Ic, and 10 kΩ internal resistors. Transition frequency is 202 MHz. This part is suitable for designs requiring onsemi component qualification. Inventory availability is 5,300 units.
Q: What is the impact of higher transition frequency in substitute parts?
A: Substitute parts feature 250 MHz transition frequency versus 180 MHz on the original PDTA114EU,135. Higher transition frequency indicates faster switching capability and improved high-frequency performance. This represents a performance improvement and does not create compatibility issues in existing designs.
Q: Are there any electrical parameters where substitute parts differ significantly from the original?
A: Vce saturation varies among substitutes: original part is 150 mV @ 500µA, 10mA; most substitutes are 300 mV @ 500µA, 10mA or 300 mV @ 100µA, 1mA depending on bias configuration. This difference affects saturation-mode switching speed but is within acceptable operating ranges for logic-level switching applications. Collector cutoff current (Icbo) is 1 µA on the original versus 500 nA on most substitutes, representing improved leakage performance on substitutes.
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