OP560A Phototransistor 935nm Side View Radial Equivalent & Substitute Parts

Part Overview

The OP560A is an active phototransistor manufactured by TT Electronics/Optek Technology, designed for 935nm infrared detection applications. This component operates in side view radial configuration with through-hole mounting. The part is ROHS3 compliant and currently in active production status with 1665 units in stock. Equivalent parts are identified when they maintain functional compatibility across critical electrical and mechanical parameters while meeting the same regulatory and environmental standards.

Substiute Parts

OP560A

TT Electronics/Optek TechnologyIn Stock: 1762OP560A Datasheet

Current PartRFQ

QSE133

onsemiIn Stock: 20490QSE133 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the OP560A is determined by the following critical parameters:

• Mounting Type: Through Hole (required match)
• Orientation: Side View (required match)
• Package / Case: Radial (required match)
• Operating Temperature Range: -40°C to 100°C (required match)
• RoHS Status: ROHS3 Compliant (required match)
• Power - Max: 100 mW (required match)
• Current - Dark (Id) (Max): 100 nA (required match)

The QSE133 qualifies as a manufacturer-recommended substitute. While the wavelength differs (880nm versus 935nm), the electrical ratings, thermal characteristics, mechanical configuration, and regulatory compliance align with the OP560A specification envelope. Both components share identical dark current specifications, maximum power dissipation, operating temperature range, and RoHS3 compliance status.

Parameter Comparison

Engineering Selection Recommendations

Both the OP560A and QSE133 maintain active production status and full ROHS3 compliance. The QSE133 provides higher collector-emitter breakdown voltage (30V versus 15V), offering enhanced overvoltage margin in circuit designs. Both components are REACH unaffected and classified under identical HTSUS and ECCN codes, ensuring equivalent regulatory treatment for procurement and export purposes.

Selection between these parts should be based on application-specific wavelength requirements. The OP560A operates at 935nm, while the QSE133 operates at 880nm. The viewing angle difference (56° versus 50°) represents a minor variation within the side view radial phototransistor category. Both components support identical maximum power dissipation and dark current specifications, ensuring thermal and noise performance parity.

Frequently Asked Questions (FAQ)

Q: Can the QSE133 directly replace the OP560A in existing designs?

A: Mechanical and electrical compatibility is confirmed across mounting type, package configuration, operating temperature range, and power ratings. The wavelength difference (880nm versus 935nm) requires application-level assessment to determine if the infrared spectrum shift affects system performance.

Q: What are the key differences between these phototransistors?

A: The primary differences are wavelength (935nm versus 880nm), collector-emitter breakdown voltage (15V versus 30V), and viewing angle (56° versus 50°). All other critical parameters—dark current, maximum power, operating temperature, package type, and RoHS compliance—are identical.

Q: Are both parts suitable for the same operating temperature range?

A: Yes. Both the OP560A and QSE133 operate across -40°C to 100°C, ensuring thermal compatibility in equivalent applications.

Q: What is the significance of the viewing angle difference?

A: The OP560A provides a 56° viewing angle compared to the QSE133's 50° angle. This 6° difference may affect optical field-of-view characteristics in applications requiring precise angular sensitivity specifications.

Q: Do both parts meet the same regulatory requirements?

A: Yes. Both components are ROHS3 compliant, REACH unaffected, and classified under identical ECCN (EAR99) and HTSUS (8541.49.7080) codes.

Q: Which part should be selected for new designs?

A: Selection depends on wavelength requirements. If 935nm infrared detection is specified, use the OP560A. If 880nm detection is acceptable or preferred, the QSE133 offers higher voltage margin and equivalent performance across all other parameters.