Equivalent & Substitute Parts for 2SB1386-R-TP (Micro Commercial Co)

Part Overview

The 2SB1386-R-TP from Micro Commercial Co is a surface-mount PNP bipolar junction transistor (BJT) in the SOT-89/TO-243AA package. The part is active and available in bulk packaging. The transistor features a collector current of 5 A and a breakdown voltage of 20 V, making it suitable for interface applications. The need to identify alternative models arises when parts become unavailable, when design flexibility is required, or to ensure ongoing supply chain reliability.

Key Parameters

Parameter	2SB1386-R-TP
Manufacturer Part Number	2SB1386-R-TP
Transistor Type	PNP
Current - Collector (Ic) (Max)	5 A
Voltage - Collector Emitter Breakdown (Max)	20 V
Vce Saturation (Max) @ Ib, Ic	1V @ 100mA, 4A
Current - Collector Cutoff (Max)	500nA (ICBO)
DC Current Gain (hFE) (Min) @ Ic, Vce	82 @ 500mA, 2V
Power - Max	500 mW
Frequency - Transition	120MHz
Operating Temperature	-55°C ~ 150°C (TJ)
Mounting Type	Surface Mount
Package / Case	TO-243AA
Supplier Device Package	SOT-89
Part Status	Active

Substitute Part Grouping Explanation

Component substitution is performed by matching electrical and mechanical parameters that govern safe and functional replacement in the category of transistors, bipolar PNP types. The key substitution criteria are:

Transistor Type (PNP)
Maximum Collector Current (Ic)
Maximum Collector-Emitter Breakdown Voltage (Vce)
Maximum Vce Saturation Voltage
Maximum Collector Cutoff Current (ICBO)
Minimum DC Current Gain (hFE)
Maximum Power Dissipation
Transition Frequency
Package / Case Compatibility
Mounting Type (Surface Mount)
Operating Temperature Range

Parts are considered substitutes only when all listed attributes are compatible as provided.

Parameter Comparison

Parameter	2SB1386-R-TP	2SB1302S-TD-E
Transistor Type	PNP	PNP
Current - Collector (Ic) (Max)	5 A	5 A
Voltage - Collector Emitter Breakdown (Max)	20 V	20 V
Vce Saturation (Max) @ Ib, Ic	1V @ 100mA, 4A	500mV @ 60mA, 3A
Current - Collector Cutoff (Max)	500nA (ICBO)	500nA (ICBO)
DC Current Gain (hFE) (Min) @ Ic, Vce	82 @ 500mA, 2V	100 @ 500mA, 2V
Power - Max	500 mW	1.3 W
Frequency - Transition	120MHz	320MHz
Operating Temperature	-55°C ~ 150°C (TJ)	150°C (TJ)
Mounting Type	Surface Mount	Surface Mount
Package / Case	TO-243AA	TO-243AA
Part Status	Active	Obsolete

Engineering Selection Recommendations

Component selection must consider part status and regulatory compliance. The 2SB1386-R-TP is active, while the substitute 2SB1302S-TD-E is obsolete. Compliance statuses such as RoHS and REACH are provided; main and substitute parts are REACH unaffected. The substitute is RoHS3 compliant. Selection must be based on availability, part status, and certification consistency.

Frequently Asked Questions (FAQ)

Q1: What parameters must match to ensure proper substitution for transistor parts?
A1: Transistor Type, Collector Current (Ic), Collector-Emitter Breakdown Voltage (Vce), Vce Saturation (Vce(sat)), Collector Cutoff Current (ICBO), DC Current Gain (hFE), Maximum Power Dissipation, Transition Frequency, Package / Case, Mounting Type, and Operating Temperature Range.

Q2: Is package compatibility critical for substituting surface-mount BJTs?
A2: Yes. Only variants matching the package/case (TO-243AA) and mounting type (Surface Mount) are suitable for direct substitution.

Q3: How does part status influence substitute selection?
A3: Active parts are prioritized for reliability and supply continuity. Obsolete parts, such as 2SB1302S-TD-E, are only used when no active alternatives are available or for maintenance of legacy designs.

Q4: Are compliance certifications like RoHS or REACH considered in choosing substitutes?
A4: Yes. The substitute 2SB1302S-TD-E is RoHS3 compliant and REACH unaffected. Such certifications must be verified to match design and regulatory needs for the intended application.

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