Equivalent & Substitute Parts Reference – IMH8AT108

Part Overview

IMH8AT108 is a dual pre-biased NPN bipolar transistor (BJT) in surface mount SMT6 package, manufactured by Rohm Semiconductor. It features key electrical parameters such as 50V collector-emitter breakdown voltage, 100mA collector current, 250MHz transition frequency, and a 10kOhms base resistor. The part status is Active with ROHS3 compliance and unlimited MSL. Finding direct alternative components within the Transistors, Bipolar (BJT) category is required when substituting for supply chain continuity, packaging format compatibility, or inventory management.

Substiute Parts

IMH8AT108

Rohm SemiconductorIn Stock: 9815IMH8AT108 Datasheet

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UMH4NTN

Rohm SemiconductorIn Stock: 56168UMH4NTN Datasheet

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PIMH9,115

Nexperia USA Inc.In Stock: 3931PIMH9,115 Datasheet

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RN1611(TE85L,F)

Toshiba Semiconductor and StorageIn Stock: 1216RN1611(TE85L,F) Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitute parts are selected from the Transistors, Bipolar (BJT) category and must precisely match the following key parameters: transistor type (2 NPN – Pre-Biased, dual), maximum collector current, collector-emitter breakdown voltage, base resistor value, DC current gain minimum, Vce saturation maximum, transition frequency, surface mount package, and compliance status. Substitute grouping is strictly limited to components where these values align with the main part IMH8AT108.

Parameter Comparison

Engineering Selection Recommendations

All listed substitute parts have an Active product status and comply with RoHS requirements. Moisture Sensitivity Level is classified as unlimited for all models, supporting surface mount assembly workflows. Selection among these substitutes can be based on inventory requirements, availability, and desired compliance certifications. Packaging formats differ; verify compatibility with assembly equipment and footprint.

Frequently Asked Questions (FAQ)

Q: What are the critical electrical parameters for substituting IMH8AT108?
A: Transistor type, maximum collector-emitter voltage, maximum collector current, base resistor value, DC current gain minimum, Vce saturation maximum, and transition frequency determine substitution eligibility.

Q: Can package type affect direct replacement?
A: Yes. Package type such as SC-74, SOT-457, or alternative surface mount options requires checking for assembly and footprint compatibility.

Q: Are all substitute parts RoHS compliant?
A: All substitutes listed are RoHS or ROHS3 compliant.

Q: Is product status relevant during selection?
A: Only "Active" product status parts are considered suitable for substitution to ensure lifecycle compatibility.

Q: Do substitute parts require consideration for circuit performance?
A: Only parameters explicitly provided, such as electrical rating and package, are considered. No additional technical attributes are evaluated.

Q: Are moisture sensitivity levels compatible across listed substitutes?
A: All substitutes have MSL of 1 (Unlimited), suitable for standard SMT processes.