What is TSHA4401?

This electronic component, produced by the manufacturer "Vishay Telefunken", performs the same function as "GaAlAs Infrared Emitting Diodes in 3 mm (T-1) Package".

TSHA4401 Datasheet PDF - Vishay Telefunken

Part Number TSHA4401
Description GaAlAs Infrared Emitting Diodes in 3 mm (T-1) Package
Manufacturers Vishay Telefunken 
Logo Vishay Telefunken Logo 

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Vishay Telefunken
GaAlAs Infrared Emitting Diodes in ø 3 mm (T–1)
The TSHA44..series are high efficiency infrared emit-
ting diodes in GaAlAs on GaAlAs technology, molded
in a clear, untinted plastic package.
In comparison with the standard GaAs on GaAs
technology these high intensity emitters feature about
50 % radiant power improvement.
94 8398
D Extra high radiant power
D High radiant intensity for long transmission dis-
D Suitable for high pulse current operation
D Standard T–1(ø 3 mm) package for low space
D Angle of half intensity ϕ = ± 20°
D Peak wavelength lp = 875 nm
D High reliability
D Good spectral matching to Si photodetectors
Infrared remote control and free air transmission systems with high power requirements in combination with PIN
photodiodes or phototransistors.
Because of the very low radiance absorption in glass at the wavelength of 875 nm, this emitter series is also
suitable for systems with panes in the transmission range between emitter and detector.
Absolute Maximum Ratings
Tamb = 25_C
Reverse Voltage
Forward Current
Peak Forward Current
Surge Forward Current
Power Dissipation
Junction Temperature
Operating Temperature Range
Storage Temperature Range
Soldering Temperature
Thermal Resistance Junction/Ambient
Test Conditions
tp/T = 0.5, tp = 100 ms
tp = 100 ms
xt 5sec, 2 mm from case
Document Number 81017
Rev. 2, 20-May-99 FaxBack +1-408-970-5600
1 (5)

TSHA4401 equivalent
Ozone Depleting Substances Policy Statement
Vishay Telefunken
It is the policy of Vishay Semiconductor GmbH to
1. Meet all present and future national and international statutory requirements.
2. Regularly and continuously improve the performance of our products, processes, distribution and operating
systems with respect to their impact on the health and safety of our employees and the public, as well as their
impact on the environment.
It is particular concern to control or eliminate releases of those substances into the atmosphere which are known as
ozone depleting substances ( ODSs ).
The Montreal Protocol ( 1987 ) and its London Amendments ( 1990 ) intend to severely restrict the use of ODSs and
forbid their use within the next ten years. Various national and international initiatives are pressing for an earlier ban
on these substances.
Vishay Semiconductor GmbH has been able to use its policy of continuous improvements to eliminate the use of
ODSs listed in the following documents.
1. Annex A, B and list of transitional substances of the Montreal Protocol and the London Amendments respectively
2 . Class I and II ozone depleting substances in the Clean Air Act Amendments of 1990 by the Environmental
Protection Agency ( EPA ) in the USA
3. Council Decision 88/540/EEC and 91/690/EEC Annex A, B and C ( transitional substances ) respectively.
Vishay Semiconductor GmbH can certify that our semiconductors are not manufactured with ozone depleting
substances and do not contain such substances.
We reserve the right to make changes to improve technical design and may do so without further notice.
Parameters can vary in different applications. All operating parameters must be validated for each customer application
by the customer. Should the buyer use Vishay-Telefunken products for any unintended or unauthorized application, the
buyer shall indemnify Vishay-Telefunken against all claims, costs, damages, and expenses, arising out of, directly or
indirectly, any claim of personal damage, injury or death associated with such unintended or unauthorized use.
Vishay Semiconductor GmbH, P.O.B. 3535, D-74025 Heilbronn, Germany
Telephone: 49 ( 0 ) 7131 67 2831, Fax number: 49 ( 0 ) 7131 67 2423
Document Number 81017
Rev. 2, 20-May-99 FaxBack +1-408-970-5600
5 (5)


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Featured Datasheets

Part NumberDescriptionMFRS
TSHA440The function is GaAlAs Infrared Emitting Diodes in 3 mm (T-1) Package. Vishay TelefunkenVishay Telefunken
TSHA4400The function is GaAlAs Infrared Emitting Diodes in 3 mm (T-1) Package. Vishay TelefunkenVishay Telefunken
TSHA4401The function is GaAlAs Infrared Emitting Diodes in 3 mm (T-1) Package. Vishay TelefunkenVishay Telefunken

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