2SB1184-Q-TP Equivalent & Substitute Parts

Part Overview

The 2SB1184-Q-TP is a PNP bipolar junction transistor manufactured by Micro Commercial Co, designed for surface mount applications in the DPAK package. This transistor operates at a maximum collector current of 3 A and collector-emitter breakdown voltage of 50 V, with a maximum power dissipation of 1 W. The device is currently in active product status with 828 units in stock.

The 2SB1184-Q-TP is supplied in Tape & Reel packaging. Identifying equivalent and substitute parts becomes necessary when the primary device is unavailable, when alternative packaging formats are required, or when design optimization calls for components with enhanced electrical characteristics within the same functional class.

Substiute Parts

2SB1184-Q-TP

Micro Commercial CoIn Stock: 9342SB1184-Q-TP Datasheet

Current PartRFQ

2SB1202T-TL-E

onsemiIn Stock: 132602SB1202T-TL-E Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the 2SB1184-Q-TP is determined by strict equivalence across the following electrical and mechanical parameters:

Mandatory Equivalence Criteria:

• Transistor Type: PNP
• Current - Collector (Ic) (Max): 3 A
• Voltage - Collector Emitter Breakdown (Max): 50 V
• Power - Max: 1 W
• Operating Temperature (TJ): 150°C
• Mounting Type: Surface Mount
• Package / Case: TO-252-3, DPAK (2 Leads + Tab), SC-63
• RoHS Status: ROHS3 Compliant
• Moisture Sensitivity Level (MSL): 1 (Unlimited)

The 2SB1202T-TL-E manufactured by onsemi meets all mandatory equivalence criteria. This substitute maintains identical collector current, breakdown voltage, power rating, and thermal operating range. Both devices are surface mount components in the DPAK package with equivalent environmental compliance certifications.

Parameter Comparison

Engineering Selection Recommendations

Primary Selection: 2SB1184-Q-TP

The 2SB1184-Q-TP is the recommended primary choice for new designs and procurement. This device maintains active product status, ensuring long-term availability and supply chain stability. The component is ROHS3 compliant and carries unlimited moisture sensitivity classification, supporting deployment in standard manufacturing environments without specialized handling requirements.

Substitute Selection: 2SB1202T-TL-E

The 2SB1202T-TL-E serves as a functional equivalent when the primary part is unavailable. This onsemi device meets all mandatory electrical and thermal specifications. However, the 2SB1202T-TL-E carries obsolete product status, indicating discontinued manufacturing. Selection of this substitute should be limited to applications where existing inventory is available and long-term supply is not a requirement.

Both devices are ROHS3 compliant and REACH unaffected, meeting environmental and regulatory requirements for industrial and commercial applications. The substitute exhibits superior frequency performance (150 MHz versus 70 MHz) and higher DC current gain, characteristics that may provide design margin in high-frequency switching applications.

Packaging format differs between the two devices: the primary part is supplied in Tape & Reel format, while the substitute is available in Cut Tape and Digi-Reel formats. This distinction affects procurement and assembly processes but does not impact electrical performance or functional compatibility.

Frequently Asked Questions (FAQ)

Q: Can the 2SB1202T-TL-E directly replace the 2SB1184-Q-TP in existing designs?

A: Yes. Both devices are PNP transistors with identical maximum collector current (3 A), collector-emitter breakdown voltage (50 V), power rating (1 W), and operating temperature range (150°C). The DPAK package and surface mount configuration are identical. Electrical substitution is valid for applications within the specified parameter ranges.

Q: What are the differences in saturation voltage between these devices?

A: The 2SB1184-Q-TP exhibits 1V saturation voltage at 200mA base current and 2A collector current. The 2SB1202T-TL-E exhibits 700mV saturation voltage at 100mA base current and 2A collector current. The substitute demonstrates lower saturation voltage, which may reduce power dissipation in saturated switching applications.

Q: Why does the 2SB1202T-TL-E have obsolete product status?

A: Obsolete status indicates that onsemi has discontinued manufacturing of this device. While existing inventory may be available through authorized distributors, long-term supply cannot be guaranteed. For new designs requiring extended product lifecycle support, the active 2SB1184-Q-TP is the appropriate selection.

Q: Are there packaging compatibility issues between these devices?

A: Both devices use the TO-252-3 DPAK package with identical pinout and mechanical dimensions. The primary difference is supply format: the 2SB1184-Q-TP is supplied in Tape & Reel, while the 2SB1202T-TL-E is supplied in Cut Tape and Digi-Reel formats. This affects procurement and automated assembly processes but does not impact board-level compatibility.

Q: What is the significance of the higher transition frequency in the 2SB1202T-TL-E?

A: The 2SB1202T-TL-E operates at 150 MHz transition frequency compared to 70 MHz for the 2SB1184-Q-TP. This higher frequency capability provides additional performance margin in high-frequency switching and amplification circuits. Applications operating below 70 MHz experience no functional difference.

Q: Are both devices suitable for RoHS and REACH-compliant applications?

A: Yes. Both the 2SB1184-Q-TP and 2SB1202T-TL-E are ROHS3 compliant and REACH unaffected. These certifications confirm compliance with European environmental and chemical safety regulations, supporting deployment in regulated industrial and consumer applications.

Q: What is the moisture sensitivity classification, and why is it important?

A: Both devices carry MSL 1 (Unlimited) classification, indicating unlimited shelf life without moisture control requirements. This classification eliminates the need for specialized dry-pack storage, desiccant handling, or bake-out procedures prior to assembly, reducing procurement and manufacturing complexity.