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Equivalent & Substitute Parts for EMB2T2R
Part Overview
The EMB2T2R from Rohm Semiconductor is a Pre-Biased Bipolar Transistor (BJT) featuring dual PNP channels. It is designed for surface mount applications with an EMT6 package type. This component is active and ROHS3 compliant, making it suitable for new designs. Identifying alternative models within the Transistors, Bipolar (BJT) category is necessary for scenarios involving multi-source procurement, production continuity, and risk mitigation against inventory shortages.
Substiute Parts
Key Parameters
| Parameter | EMB2T2R |
|---|---|
| Manufacturer | Rohm Semiconductor |
| Transistor Type | 2 PNP - Pre-Biased (Dual) |
| Voltage - Collector Emitter Breakdown (Max) | 50V |
| Current - Collector (Ic) (Max) | 100mA |
| Resistor - Base (R1) | 47kOhms |
| Resistor - Emitter Base (R2) | 47kOhms |
| DC Current Gain (hFE) (Min) @ Ic, Vce | 68 @ 5mA, 5V |
| Vce Saturation (Max) @ Ib, Ic | 300mV @ 500µA, 10mA |
| Frequency - Transition | 250MHz |
| Power - Max | 150mW |
| Mounting Type | Surface Mount |
| Package / Case | SOT-563, SOT-666 |
| RoHS Status | ROHS3 Compliant |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
| REACH Status | REACH Unaffected |
| Product Status | Active |
Substitute Part Grouping Explanation
Substitute selection for EMB2T2R is based exclusively on matching the following key parameters: transistor type (2 PNP - Pre-Biased, Dual), maximum collector-emitter voltage (50V), maximum collector current (100mA), base and emitter-base resistor values (47kOhms each), minimum DC current gain (68 @ 5mA, 5V), Vce saturation (max 300mV @ 500µA, 10mA), transition frequency (250MHz), maximum power dissipation (150mW), mounting type (surface mount), and package compatibility (SOT-563, SOT-666). Only ROHS3 compliant and active status parts with matching electrical and mechanical attributes are included.
Parameter Comparison
| Parameter | EMB2T2R | DDA144EH-7 |
|---|---|---|
| Manufacturer | Rohm Semiconductor | Diodes Incorporated |
| Transistor Type | 2 PNP - Pre-Biased (Dual) | 2 PNP - Pre-Biased (Dual) |
| Voltage - Collector Emitter Breakdown (Max) | 50V | 50V |
| Current - Collector (Ic) (Max) | 100mA | 100mA |
| Resistor - Base (R1) | 47kOhms | 47kOhms |
| Resistor - Emitter Base (R2) | 47kOhms | 47kOhms |
| DC Current Gain (hFE) (Min) @ Ic, Vce | 68 @ 5mA, 5V | 68 @ 5mA, 5V |
| Vce Saturation (Max) @ Ib, Ic | 300mV @ 500µA, 10mA | 300mV @ 500µA, 10mA |
| Frequency - Transition | 250MHz | 250MHz |
| Power - Max | 150mW | 150mW |
| Mounting Type | Surface Mount | Surface Mount |
| Package / Case | SOT-563, SOT-666 | SOT-563, SOT-666 |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) | 1 (Unlimited) |
| REACH Status | REACH Unaffected | REACH Unaffected |
| Product Status | Active | Active |
Engineering Selection Recommendations
EMB2T2R and its substitute DDA144EH-7 are both active and carry ROHS3 compliance with unaffected REACH status, meeting industry standards for environmental and regulatory certification. Both devices have a Moisture Sensitivity Level (MSL) of 1, supporting high reliability in production. The substitute possesses identical electrical and mechanical parameters, and packaging compliance is maintained.
Frequently Asked Questions (FAQ)
Q1: What electrical parameters must match for substitution in the Transistors, Bipolar (BJT) category?
A1: Electrical parameters required for a direct substitute include transistor type, maximum collector-emitter voltage, maximum collector current, base and emitter-base resistor values, minimum DC current gain, Vce saturation, transition frequency, and power rating.
Q2: Is package compatibility mandatory for direct substitutes?
A2: Yes, matching the package/case (SOT-563, SOT-666) and mounting type (surface mount) is essential for functional and mechanical compatibility in existing PCBs.
Q3: How do compliance and certification affect part selection?
A3: ROHS3 compliance, REACH status, and moisture sensitivity level (MSL) must match to satisfy industry regulations and reliability requirements.
Q4: Are product status and inventory relevant for substitute selection?
A4: Active product status indicates suitability for ongoing designs. Inventory information facilitates procurement planning but only directly listed substitutes are evaluated per provided parameters.
Q5: Can DDA144EH-7 fully replace EMB2T2R based on the specified parameters?
A5: DDA144EH-7 matches all listed electrical, mechanical, and compliance specifications, qualifying as a direct substitute for EMB2T2R in the Transistors, Bipolar (BJT) product category.
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