EMH59T2R Equivalent & Substitute Parts Reference

Part Overview

EMH59T2R, manufactured by Rohm Semiconductor, is a dual pre-biased NPN bipolar junction transistor (BJT) suitable for surface-mount applications in Tape & Reel (TR) packaging. It features a 50V collector-emitter breakdown voltage, 100mA collector current, and integrated bias resistors. As an active part, EMH59T2R is typically specified for compact designs demanding precise biasing and minimal component count. The need to source alternative models arises when facing constraints related to inventory levels, discontinuation risk, or specific application requirements linked to compliance and packaging.

Substiute Parts

EMH59T2R

Rohm SemiconductorIn Stock: 762EMH59T2R Datasheet

Current PartRFQ

PEMH9,115

Nexperia USA Inc.In Stock: 5031PEMH9,115 Datasheet

SimilarRFQ

PEMH9,315

Nexperia USA Inc.In Stock: 8791PEMH9,315 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution is based strictly on electrical and mechanical equivalence across the relevant parameters, including transistor configuration (2 NPN - Pre-Biased Dual), maximum collector current, collector-emitter breakdown voltage, bias resistor values, DC current gain, saturation voltage, cutoff current, package compatibility (SOT-563, SOT-666), mounting type, compliance (RoHS, REACH), and power rating. All substitutes listed share these key attributes within the provided data.

Parameter Comparison

Engineering Selection Recommendations

EMH59T2R is an active part, with inventory available and full compliance to ROHS3 and REACH. Substitute parts PEMH9,115 and PEMH9,315 are noted as "Not For New Designs," which may affect long-term sourcing strategies. All parts listed maintain MSL 1 (Unlimited) and similar compliance (ROHS3, REACH unaffected), supporting selection in environmentally regulated projects. The choice between main and substitute part numbers should be based on inventory availability and product status as provided.

Frequently Asked Questions (FAQ)

Q1: What are the critical parameters for substituting EMH59T2R with PEMH9,115 or PEMH9,315?
A1: The substitution is supported by electrical equivalence in transistor configuration, maximum collector current, breakdown voltage, bias resistor values, package style, and regulatory compliance.

Q2: Are package types with "SOT-563" and "SOT-666" compatible across all listed part numbers?
A2: Yes, all parts listed specify SOT-563, SOT-666 for the package/case, supporting direct interchange in surface-mount layouts.

Q3: Do the substitutes impact compliance requirements?
A3: All listed substitute parts are ROHS3 compliant and REACH unaffected, maintaining compatibility with regulated applications.

Q4: Is there any difference in mechanical mounting when choosing between EMH59T2R, PEMH9,115, and PEMH9,315?
A4: All parts are specified for surface mount, supporting identical assembly procedures.

Q5: How does product status affect component selection?
A5: EMH59T2R is "Active," while PEMH9,115 and PEMH9,315 are marked "Not For New Designs." It is optimal to select components aligning with ongoing production and support requirements.