DRA2124T0L Equivalent & Substitute Parts

Part Overview

The DRA2124T0L is a pre-biased PNP bipolar junction transistor (BJT) manufactured by Panasonic Electronic Components. This surface mount device is rated for 50 V collector-emitter breakdown voltage with a maximum collector current of 100 mA and 200 mW power dissipation. The device features an integrated 22 kOhm base resistor and is housed in a MINI3-G3-B package (TO-236-3/SOT-23-3 footprint).

The DRA2124T0L is currently discontinued at DiGi Electronics. Equivalent and substitute parts are available from alternative manufacturers with matching or superior electrical and mechanical specifications, enabling direct replacement in existing designs without circuit modification.

Substiute Parts

DRA2124T0L

Panasonic Electronic ComponentsIn Stock: 655DRA2124T0L Datasheet

Current PartRFQ

PDTA124TT,215

Nexperia USA Inc.In Stock: 3843PDTA124TT,215 Datasheet

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RN2412TE85LF

Toshiba Semiconductor and StorageIn Stock: 3967RN2412TE85LF Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the DRA2124T0L are qualified based on the following electrical and mechanical parameters:

Critical Matching Parameters:

• Transistor Type: PNP - Pre-Biased
• Current - Collector (Ic) Max: 100 mA (minimum requirement)
• Voltage - Collector Emitter Breakdown (Max): 50 V (minimum requirement)
• Resistor - Base (R1): 22 kOhms
• Package / Case: TO-236-3, SC-59, SOT-23-3 (identical footprint)
• Mounting Type: Surface Mount

Allowable Variations:

• Power dissipation rating may equal or exceed 200 mW
• DC Current Gain (hFE) specifications may differ within device characterization ranges
• Vce Saturation values may vary within acceptable operating margins
• Current - Collector Cutoff may differ
• Frequency characteristics may be present in substitute devices

All substitute parts listed maintain electrical compatibility within the specified parameter ranges and are housed in mechanically identical packages suitable for direct PCB replacement.

Parameter Comparison

Engineering Selection Recommendations

PDTA124TT,215 (Nexperia USA Inc.) is the primary substitute for the DRA2124T0L. This device is currently in active production status with 3833 units in stock. The PDTA124TT,215 meets all critical electrical parameters and exceeds the power dissipation rating at 250 mW versus 200 mW. The device carries ROHS3 compliance certification and maintains MSL 1 rating. Nexperia's TO-236AB package is mechanically and electrically compatible with the original MINI3-G3-B footprint.

RN2412TE85LF (Toshiba Semiconductor and Storage) serves as an alternative substitute with active product status and 3955 units in stock. This device matches all critical electrical specifications and includes a 200 MHz transition frequency specification. The RN2412TE85LF carries ROHS3 compliance and MSL 1 rating. The S-Mini package is mechanically identical to the original TO-236-3 footprint.

Both substitute parts are suitable for direct replacement in applications requiring the DRA2124T0L electrical and mechanical characteristics. Selection between PDTA124TT,215 and RN2412TE85LF depends on supplier availability, lead time requirements, and inventory positioning.

Frequently Asked Questions (FAQ)

Q: Can the PDTA124TT,215 directly replace the DRA2124T0L without circuit modification?

A: Yes. The PDTA124TT,215 matches all critical electrical parameters: 100 mA maximum collector current, 50 V collector-emitter breakdown voltage, 22 kOhm base resistor, and identical TO-236-3/SOT-23-3 package footprint. The device is pin-compatible and requires no circuit changes.

Q: What is the difference between the DRA2124T0L and RN2412TE85LF?

A: Both devices are PNP pre-biased transistors with identical maximum ratings (100 mA, 50 V, 22 kOhm base resistor) and package footprints. The RN2412TE85LF includes a specified 200 MHz transition frequency characteristic. Power dissipation is 200 mW for both devices. The primary difference is manufacturer and product status: DRA2124T0L is discontinued; RN2412TE85LF is active.

Q: Are all three parts housed in the same package?

A: Yes. The DRA2124T0L (MINI3-G3-B), PDTA124TT,215 (TO-236AB), and RN2412TE85LF (S-Mini) all use the TO-236-3/SC-59/SOT-23-3 package family. These packages are mechanically and electrically identical, enabling direct PCB footprint compatibility.

Q: What does "pre-biased" mean in the context of these transistors?

A: Pre-biased transistors incorporate an integrated base resistor network (22 kOhms in this case) that provides automatic biasing. This simplifies circuit design by eliminating the need for external base bias resistors while maintaining the same electrical functionality as discrete transistor configurations.

Q: Are there any compliance differences between the substitute parts?

A: The DRA2124T0L carries RoHS Compliant certification. Both PDTA124TT,215 and RN2412TE85LF carry ROHS3 Compliant certification, which represents an updated compliance standard. All three devices maintain MSL 1 (Unlimited) moisture sensitivity rating. The PDTA124TT,215 additionally carries REACH Unaffected status.

Q: What inventory levels are available for each part?

A: DRA2124T0L has 628 units in stock but is discontinued. PDTA124TT,215 has 3833 units in stock and is active. RN2412TE85LF has 3955 units in stock and is active. For new designs or long-term supply assurance, PDTA124TT,215 or RN2412TE85LF are recommended.

Q: Can I use the PDTA124TT,215 in a design originally specified for the DRA2124T0L?

A: Yes. The PDTA124TT,215 meets or exceeds all electrical specifications of the DRA2124T0L. The 250 mW power rating of the PDTA124TT,215 exceeds the 200 mW rating of the DRA2124T0L, providing additional thermal margin. Package compatibility is confirmed.