TSOP39256 Equivalent & Substitute Parts

Part Overview

The TSOP39256 is an active remote receiver sensor manufactured by Vishay Semiconductor Opto Division, designed for infrared remote control applications. This through-hole optical sensor operates at a center frequency of 56.0kHz with a sensing distance of 45 meters, making it suitable for consumer electronics and industrial remote control systems. The component is currently in active production status with robust inventory availability (818 pcs in stock). Finding equivalent and substitute parts is necessary to ensure design flexibility, manage supply chain continuity, and accommodate different mounting orientations or packaging preferences in production environments.

Substiute Parts

TSOP39256

Vishay Semiconductor Opto DivisionIn Stock: 877TSOP39256 Datasheet

Current PartRFQ

TSOP38256

Vishay Semiconductor Opto DivisionIn Stock: 1682TSOP38256 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the TSOP39256 is determined by strict equivalence across the following critical parameters:

• B.P.F. Center Frequency: Must be 56.0kHz (infrared carrier frequency compatibility)
• Sensing Distance: Must be 45m (functional range requirement)
• Voltage Supply Range: Must be 2.5 V ~ 5.5 V (power compatibility)
• Current Supply: Must be 450 µA (power consumption specification)
• Mounting Type: Must be Through Hole (mechanical compatibility)
• Operating Temperature Range: Must be -25°C ~ 85°C (environmental specification)
• Manufacturer: Vishay Semiconductor Opto Division (original equipment manufacturer)

The TSOP38256 qualifies as a direct substitute based on these parameters. The primary difference is the orientation specification (Side View vs. Top View), which represents a mechanical variation that does not affect electrical functionality or performance characteristics.

Parameter Comparison

Engineering Selection Recommendations

Both the TSOP39256 and TSOP38256 are active production components manufactured by Vishay Semiconductor Opto Division and maintain full ROHS3 compliance. Selection between these parts should be based on PCB layout requirements and mechanical orientation constraints:

• TSOP39256 (Top View orientation) is appropriate for applications requiring top-facing sensor aperture alignment with infrared sources positioned above the component.
• TSOP38256 (Side View orientation) is appropriate for applications requiring side-facing sensor aperture alignment with infrared sources positioned laterally to the component.

Both parts deliver identical electrical performance, frequency response, sensing distance, and temperature operating range. The choice between them is purely a mechanical design consideration based on the physical layout of the remote control receiver circuit.

Frequently Asked Questions (FAQ)

Q: Can TSOP38256 be used as a direct replacement for TSOP39256?

A: Yes. Both components share identical electrical specifications including center frequency (56.0kHz), sensing distance (45m), supply voltage (2.5 V ~ 5.5 V), and current consumption (450 µA). The only difference is the orientation of the sensor aperture (Side View vs. Top View), which is a mechanical consideration determined by PCB layout requirements.

Q: What does the orientation difference (Top View vs. Side View) mean?

A: Orientation specifies the direction in which the sensor aperture faces relative to the component body. Top View means the infrared receiver window faces upward from the PCB surface; Side View means the window faces laterally. This affects how the component must be positioned relative to the infrared source in the application circuit.

Q: Are there any compliance or certification differences between these parts?

A: Both parts are ROHS3 compliant and manufactured by the same supplier. The TSOP38256 carries additional REACH Unaffected certification, while the TSOP39256 specifies Moisture Sensitivity Level (MSL) 4. These are documentation variations and do not affect functional equivalence.

Q: Which part should I select if inventory is a concern?

A: The TSOP38256 has higher current inventory (1594 pcs vs. 818 pcs). However, part selection should be driven by mechanical design requirements first, with inventory as a secondary consideration.

Q: Do these parts require any circuit modifications when substituting one for the other?

A: No circuit modifications are required. The electrical interface, signal characteristics, and power requirements are identical. Only the physical mounting orientation on the PCB changes.