RN1101MFV,L3F Equivalent & Substitute Parts

Part Overview

The RN1101MFV,L3F is a pre-biased NPN bipolar junction transistor (BJT) manufactured by Toshiba Semiconductor and Storage. This surface mount device operates at 50 V maximum collector-emitter breakdown voltage with a maximum collector current of 100 mA and 150 mW power dissipation. The device integrates internal base and emitter-base resistors (4.7 kOhms each) for simplified circuit design in switching and amplification applications.

The RN1101MFV,L3F carries a product status designation of "Not For New Designs," indicating that Toshiba has discontinued active development and support for this component. Identifying equivalent substitute parts is necessary to ensure design continuity, maintain supply chain reliability, and support existing production requirements for applications currently utilizing this transistor.

Substiute Parts

RN1101MFV,L3F

Toshiba Semiconductor and StorageIn Stock: 7068RN1101MFV,L3F Datasheet

Current PartRFQ

DTC143EMT2L

Rohm SemiconductorIn Stock: 53157DTC143EMT2L Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the RN1101MFV,L3F is determined by strict equivalence across the following critical parameters:

Electrical Specifications:

• Maximum collector current: 100 mA
• Maximum collector-emitter breakdown voltage: 50 V
• Internal base resistor (R1): 4.7 kOhms
• Internal emitter-base resistor (R2): 4.7 kOhms
• DC current gain (hFE) minimum: 30 @ 10mA, 5V
• Maximum saturation voltage (Vce): 300 mV @ 500µA, 5mA
• Maximum collector cutoff current: 500 nA
• Maximum power dissipation: 150 mW

Mechanical and Packaging Specifications:

• Package type: SOT-723
• Mounting configuration: Surface Mount
• Transistor classification: NPN - Pre-Biased

Compliance Requirements:

• RoHS compliance status
• Moisture sensitivity level: 1 (Unlimited)

The DTC143EMT2L manufactured by Rohm Semiconductor meets all specified electrical and mechanical parameters for direct substitution. Both devices share identical package geometry (SOT-723), mounting type (surface mount), and all critical electrical characteristics within the defined operating ranges.

Parameter Comparison

Engineering Selection Recommendations

The DTC143EMT2L from Rohm Semiconductor is a direct functional equivalent to the RN1101MFV,L3F. Selection between these components should be based on the following engineering considerations:

Product Status and Support: The RN1101MFV,L3F is designated "Not For New Designs," indicating that Toshiba has concluded active product development and support. The DTC143EMT2L carries an "Active" product status, ensuring ongoing manufacturer support, availability, and compliance updates.

Compliance and Certifications: Both devices are RoHS compliant. The DTC143EMT2L carries ROHS3 compliance certification and REACH Unaffected status, providing enhanced regulatory documentation for applications requiring comprehensive environmental compliance verification.

Electrical Performance: All critical electrical parameters are equivalent between the two devices. The saturation voltage specification for the DTC143EMT2L is measured at 10 mA collector current compared to 5 mA for the RN1101MFV,L3F, representing a more conservative specification that ensures compatibility across the specified operating range.

Supply Chain Availability: The DTC143EMT2L demonstrates significantly higher inventory availability (53,100 pieces) compared to the RN1101MFV,L3F (7,006 pieces), supporting long-term production continuity and reducing procurement risk.

Packaging and Mechanical Compatibility: Both devices utilize identical SOT-723 package geometry and surface mount configuration, enabling direct board-level substitution without PCB redesign or assembly process modification.

Frequently Asked Questions (FAQ)

Q: Can the DTC143EMT2L be used as a direct replacement for the RN1101MFV,L3F in existing designs?

A: Yes. The DTC143EMT2L meets all electrical and mechanical specifications of the RN1101MFV,L3F. Both devices share identical maximum ratings for collector current (100 mA), collector-emitter breakdown voltage (50 V), internal resistor values (4.7 kOhms each), and power dissipation (150 mW). Package geometry (SOT-723) and mounting type (surface mount) are identical, enabling direct substitution without circuit modification or PCB redesign.

Q: What is the significance of the different saturation voltage test conditions between these devices?

A: The RN1101MFV,L3F specifies maximum saturation voltage of 300 mV at 500 µA base current and 5 mA collector current. The DTC143EMT2L specifies the same 300 mV maximum at 500 µA base current but at 10 mA collector current. This represents a more stringent test condition for the Rohm device, ensuring saturation voltage performance across a wider operating range. Both specifications are compatible for applications designed to the RN1101MFV,L3F parameters.

Q: Are there packaging differences between the RN1101MFV,L3F and DTC143EMT2L?

A: Both devices are packaged in SOT-723 with surface mount configuration. The RN1101MFV,L3F is supplied in Tape & Reel (TR) format, while the DTC143EMT2L is available in Cut Tape (CT) and Digi-Reel® formats. These represent different supply chain packaging options for the same physical component package and do not affect electrical performance or board-level compatibility.

Q: What compliance advantages does the DTC143EMT2L offer?

A: The DTC143EMT2L carries ROHS3 compliance certification and REACH Unaffected status, providing comprehensive environmental compliance documentation. The RN1101MFV,L3F is RoHS Compliant. Both devices meet MSL 1 (Unlimited) moisture sensitivity requirements. The DTC143EMT2L's enhanced compliance documentation supports applications requiring detailed regulatory traceability.

Q: Why is the RN1101MFV,L3F marked "Not For New Designs"?

A: This designation indicates that Toshiba has concluded active development and support for this product line. Existing designs utilizing the RN1101MFV,L3F should transition to the DTC143EMT2L to ensure long-term supply chain stability, ongoing manufacturer support, and access to current compliance certifications.

Q: Are the internal resistor networks identical between these devices?

A: Yes. Both the RN1101MFV,L3F and DTC143EMT2L incorporate identical internal base resistor (R1) and emitter-base resistor (R2) values of 4.7 kOhms each. This ensures equivalent biasing behavior and circuit performance in applications utilizing the pre-biased transistor configuration.

Q: What is the inventory status for these components?

A: The RN1101MFV,L3F has 7,006 pieces in stock. The DTC143EMT2L has 53,100 pieces in stock. The significantly higher availability of the DTC143EMT2L supports production continuity and reduces procurement lead time risk for new orders.