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DTC114EUBTL Equivalent & Substitute Parts Reference Guide
Part Overview
The DTC114EUBTL, manufactured by Rohm Semiconductor, is a pre-biased NPN bipolar junction transistor (BJT) designed for surface-mount applications. Key features include a collector-emitter voltage rating of 50 V, a maximum collector current of 50 mA, integrated base and emitter resistors (10 kΩ each), and a transition frequency of 250 MHz. This part is classified "Not For New Designs", indicating it is not recommended for use in new product developments. Identifying substitute parts is necessary to ensure ongoing manufacturing support and design continuity, especially when inventory constraints or product status prevent future procurement.
Substiute Parts
Key Parameters
| Parameter | DTC114EUBTL Value |
|---|---|
| Transistor Type | NPN - Pre-Biased |
| Current - Collector (Ic) (Max) | 50 mA |
| Voltage - Collector Emitter Breakdown (Max) | 50 V |
| Resistor - Base (R1) | 10 kOhms |
| Resistor - Emitter Base (R2) | 10 kOhms |
| DC Current Gain (hFE) (Min) @ Ic, Vce | 30 @ 5mA, 5V |
| Vce Saturation (Max) @ Ib, Ic | 300mV @ 500µA, 10mA |
| Current - Collector Cutoff (Max) | 500nA |
| Frequency - Transition | 250 MHz |
| Power - Max | 200 mW |
| Mounting Type | Surface Mount |
| Package / Case | SC-85 |
| Supplier Device Package | UMT3F |
| RoHS Status | ROHS3 Compliant |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
| REACH Status | REACH Unaffected |
| ECCN | EAR99 |
Substitute Part Grouping Explanation
Substitute parts for DTC114EUBTL are selected based strictly on matching core electrical and mechanical parameters including transistor type (NPN - Pre-Biased), collector-emitter voltage (50 V), collector current (Ic, max), integrated base and emitter resistors (R1, R2 values), DC current gain, power dissipation, and package style suitable for surface mounting. RoHS compliance and moisture sensitivity levels are also matched to ensure equivalent reliability and regulatory compliance. Package case and supplier device package are considered to ensure compatible assembly. Only parts with all listed parameters are included in the grouping.
Parameter Comparison
| Parameter | DTC114EUBTL (Rohm) | PDTC114EU,115 (Nexperia) |
|---|---|---|
| Transistor Type | NPN - Pre-Biased | NPN - Pre-Biased |
| Current - Collector (Ic) (Max) | 50 mA | 100 mA |
| Voltage - Collector Emitter Breakdown (Max) | 50 V | 50 V |
| Resistor - Base (R1) | 10 kOhms | 10 kOhms |
| Resistor - Emitter Base (R2) | 10 kOhms | 10 kOhms |
| DC Current Gain (hFE) (Min) @ Ic, Vce | 30 @ 5mA, 5V | 30 @ 5mA, 5V |
| Vce Saturation (Max) @ Ib, Ic | 300mV @ 500µA, 10mA | 150mV @ 500µA, 10mA |
| Current - Collector Cutoff (Max) | 500nA | 1µA |
| Power - Max | 200 mW | 200 mW |
| Mounting Type | Surface Mount | Surface Mount |
| Package / Case | SC-85 | SC-70, SOT-323 |
| Supplier Device Package | UMT3F | SOT-323 |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) | 1 (Unlimited) |
| REACH Status | REACH Unaffected | REACH Unaffected |
| ECCN | EAR99 | EAR99 |
Engineering Selection Recommendations
The DTC114EUBTL is classified as "Not For New Designs". Substitute selection should utilize the PDTC114EU,115, which is an active product and meets required compliance (ROHS3, REACH, ECCN EAR99, MSL 1) as specified for the category. Part qualification is specified as automotive grade (AEC-Q101) for the substitute part. Selection is based strictly on provided compliance and product status parameters.
Frequently Asked Questions (FAQ)
Q1: What are the most critical parameters when substituting DTC114EUBTL?
A1: The most critical parameters are transistor type, collector-emitter voltage rating, collector current rating, R1 and R2 resistor values, DC current gain, power dissipation, mounting type, package style, RoHS status, and moisture sensitivity level.
Q2: Is PDTC114EU,115 compatible with the original package footprint?
A2: PDTC114EU,115 is supplied in SC-70, SOT-323 packages; DTC114EUBTL utilizes SC-85 (UMT3F). Package compatibility must be referenced strictly by the supplied "Package / Case" and "Supplier Device Package" parameters.
Q3: Does the substitute part offer equivalent electrical performance?
A3: All provided substitute parts match or exceed most key electrical specifications based on collector current, voltage rating, resistor values, and DC current gain, strictly as shown in the parameter comparison table.
Q4: Are there any differences in compliance or reliability between the parts?
A4: Both DTC114EUBTL and PDTC114EU,115 are ROHS3 compliant, have MSL 1 ratings, and are REACH unaffected. Substitute part is also automotive qualified as per provided information.
Q5: What product status should be considered when selecting a substitute?
A5: DTC114EUBTL is marked "Not For New Designs". PDTC114EU,115 has an "Active" status and should be preferred for ongoing and new projects based on inventory and lifecycle status.
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