TSHG6400 Infrared Emitter 850nm Equivalent & Substitute Parts

Part Overview

The TSHG6400 is an infrared (IR) emitter manufactured by Vishay Semiconductor Opto Division, designed for applications requiring 850nm wavelength emission at 100mA forward current. This through-hole radial component operates across an extended temperature range of -40°C to 85°C and delivers 45mW/sr radiant intensity at rated current. The part is active in production with 49,400 units currently in stock. Substitute parts become necessary when addressing supply constraints, specific wavelength requirements, or thermal operating range limitations in system design.

Substiute Parts

TSHG6400

Vishay Semiconductor Opto DivisionIn Stock: 49422TSHG6400 Datasheet

Current PartRFQ

HSDL-4230

Lite-On Inc.In Stock: 20290HSDL-4230 Datasheet

MFR RecommendedRFQ

HSDL-4261

Lite-On Inc.In Stock: 1202HSDL-4261 Datasheet

MFR RecommendedRFQ

IR333C/H0/L10

Everlight Electronics Co LtdIn Stock: 91242IR333C/H0/L10 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the TSHG6400 is determined by the following criteria:

Primary Compatibility Parameters:

• Current rating: 100mA maximum forward current
• Mounting type: Through-hole configuration
• Package style: Radial or T 1 3/4 form factor
• Compliance: ROHS3 compliance and active product status

Secondary Consideration Parameters:

• Wavelength: 850nm nominal (substitutes range 870nm to 940nm)
• Forward voltage: 1.5V nominal (substitutes range 1.2V to 1.4V)
• Radiant intensity: 45mW/sr @ 100mA (substitutes vary based on wavelength)
• Viewing angle: 44° (substitutes range 17° to 40°)
• Operating temperature: -40°C to 85°C (substitutes may have narrower ranges)

All listed substitute parts meet the primary compatibility requirements. Secondary parameters vary to accommodate different application wavelength requirements and thermal operating conditions.

Parameter Comparison

Engineering Selection Recommendations

HSDL-4230 (Lite-On): This substitute operates at 875nm wavelength with identical 100mA current rating and 1.5V forward voltage. The narrower viewing angle of 17° compared to the TSHG6400's 44° requires optical system re-evaluation. Operating temperature range is restricted to 0°C to 70°C, limiting use in extended low-temperature applications. Radiant intensity specification is provided at 50mA rather than 100mA, requiring direct comparison at application current levels. All parts maintain ROHS3 compliance and active production status.

HSDL-4261 (Lite-On): This substitute operates at 870nm wavelength with 100mA current rating and 1.4V forward voltage. The viewing angle of 26° is narrower than the TSHG6400. Operating temperature range extends to -40°C minimum, matching the main part's lower limit, but is restricted to 70°C maximum. Radiant intensity is specified at 20mA measurement point. ROHS3 compliance and active status are maintained.

IR333C/H0/L10 (Everlight): This substitute operates at 940nm wavelength with 100mA current rating and reduced 1.2V forward voltage. The viewing angle of 40° closely approximates the TSHG6400's 44°. Operating temperature range matches the main part at -40°C to 85°C, providing full thermal compatibility. Radiant intensity is significantly lower at 11mW/sr @ 20mA due to longer wavelength characteristics. ROHS3 compliance and active production status are confirmed.

All substitute parts are active products with ROHS3 compliance, ensuring regulatory and supply continuity.

Frequently Asked Questions (FAQ)

Q: Can HSDL-4230 directly replace TSHG6400 in all applications?

A: HSDL-4230 shares the same 100mA current rating and 1.5V forward voltage as TSHG6400. However, the 875nm wavelength differs from 850nm, and the viewing angle narrows from 44° to 17°. Applications sensitive to wavelength or requiring wide beam dispersion require optical system validation. The operating temperature range is also restricted to 0°C to 70°C.

Q: What is the primary difference between HSDL-4261 and HSDL-4230?

A: Both are Lite-On products with 100mA ratings and similar viewing angles (26° vs 17°). HSDL-4261 operates at 870nm versus 875nm and has a lower forward voltage of 1.4V versus 1.5V. HSDL-4261 extends the minimum operating temperature to -40°C, matching TSHG6400, but both are limited to 70°C maximum.

Q: Why does IR333C/H0/L10 have lower radiant intensity than TSHG6400?

A: IR333C/H0/L10 operates at 940nm wavelength, which is longer than TSHG6400's 850nm. Longer wavelength infrared emitters inherently produce lower radiant intensity at equivalent current levels. The 940nm wavelength is suitable for applications requiring extended wavelength performance, such as certain sensor and imaging systems.

Q: Are all substitute parts RoHS compliant?

A: Yes. TSHG6400, HSDL-4230, HSDL-4261, and IR333C/H0/L10 are all ROHS3 compliant. All parts maintain active production status.

Q: Which substitute has the widest operating temperature range?

A: Both TSHG6400 and IR333C/H0/L10 operate across -40°C to 85°C. HSDL-4230 is limited to 0°C to 70°C, and HSDL-4261 operates from -40°C to 70°C.

Q: Can I use IR333C/H0/L10 in a 850nm-specific application?

A: No. IR333C/H0/L10 operates at 940nm, a 90nm wavelength shift from the required 850nm. Applications with wavelength-dependent sensors or filters require the specified wavelength and cannot use this substitute without system redesign.