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LED infrared 940NM 90-Degree Emitting 3V 1A Emitter in 3535 Ceramic Package diode

LED infrared 940NM 90-Degree Emitting 3V 1A Emitter in 3535 Ceramic Package diode

This emitter is packaged in a 3535 ceramic package. It emits infrared light at a wavelength of 940NM with a 90 – degree emission angle. It operates at a voltage of 3V and a rated current of 1A. It is mainly used in security monitoring, infrared remote control, biometric identification and other fields, effectively emitting infrared light signals to meet the requirements of various scenarios.

Optical Characteristics

Characteristic Symbol Minimum Typical Maximum Unit Remarks
Emission wavelength λp     935     940      945 nm –
Spectral half – width Δλ –    40 – nm –
Luminous intensity Iv    450    500      580 mW/sr Measured at 350mA current
Forward radiant intensity Ivf –   500 – mW/sr Axial direction, 350mA current

3.2 Electrical Characteristics

Characteristic Symbol Minimum Typical Maximum Unit Remarks
Forward voltage Vf    2.8     3.0       3.2 V 1A operating current, 25°C ambient temperature
Reverse current Ir – –        10 μA 5V reverse voltage, 25°C ambient temperature
Junction capacitance Cj –      20 – pF 1MHz test frequency, 0V bias voltage

3.3 Thermal Characteristics

Characteristic Symbol Minimum Typical Maximum Unit Remarks
Thermal resistance Rth(j – a) – 5 – °C/W Thermal resistance from junction to ambient
Operating junction temperature Tj     -20 –      65 °C Junction temperature range during normal operation
Storage temperature Tstg     -40 –      85 °C Temperature range for product storage

3.4 Mechanical Characteristics

Characteristic Symbol Dimension Unit Remarks
Package size Length × Width × Height      3.5×3.5×2.4 mm Tolerance ±0.1mm
Emission angle θ1/2       90 ° Half – intensity angle
Lead material – Gold Thread – Tin – plated surface

4. Absolute Maximum Ratings

Parameter Symbol Value Unit Remarks
Forward current IF 1 A Maximum continuous operating current. Exceeding this value may damage the device.
Reverse voltage VR 5 V Maximum limit of reverse voltage applied.
Power dissipation Pd 3 W Determined by operating voltage and current. Exceeding this value will affect performance and lifespan.
Soldering temperature (10s) Tsoldering 260 °C Upper limit of lead temperature during soldering.

5. Recommended Operating Conditions

Parameter Symbol Value Unit Remarks
Forward operating current IF 1 A Recommended normal operating current.
Forward operating voltage Vf 3 V Voltage corresponding to 1A operating current.
Operating ambient temperature Ta
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LED infrared 940NM 90-Degree Emitting 3V 1A Emitter in 3535 Ceramic Package diode

This emitter is packaged in a 3535 ceramic package. It emits infrared light at a wavelength of 940NM with a 90 – degree emission angle. It operates at a voltage of 3V and a rated current of 1A. It is mainly used in security monitoring, infrared remote control, biometric identification and other fields, effectively emitting infrared light signals to meet the requirements of various scenarios.

Optical Characteristics

Characteristic Symbol Minimum Typical Maximum Unit Remarks
Emission wavelength λp     935     940      945 nm –
Spectral half – width Δλ –    40 – nm –
Luminous intensity Iv    450    500      580 mW/sr Measured at 350mA current
Forward radiant intensity Ivf –   500 – mW/sr Axial direction, 350mA current

3.2 Electrical Characteristics

Characteristic Symbol Minimum Typical Maximum Unit Remarks
Forward voltage Vf    2.8     3.0       3.2 V 1A operating current, 25°C ambient temperature
Reverse current Ir – –        10 μA 5V reverse voltage, 25°C ambient temperature
Junction capacitance Cj –      20 – pF 1MHz test frequency, 0V bias voltage

3.3 Thermal Characteristics

Characteristic Symbol Minimum Typical Maximum Unit Remarks
Thermal resistance Rth(j – a) – 5 – °C/W Thermal resistance from junction to ambient
Operating junction temperature Tj     -20 –      65 °C Junction temperature range during normal operation
Storage temperature Tstg     -40 –      85 °C Temperature range for product storage

3.4 Mechanical Characteristics

Characteristic Symbol Dimension Unit Remarks
Package size Length × Width × Height      3.5×3.5×2.4 mm Tolerance ±0.1mm
Emission angle θ1/2       90 ° Half – intensity angle
Lead material – Gold Thread – Tin – plated surface

4. Absolute Maximum Ratings

Parameter Symbol Value Unit Remarks
Forward current IF 1 A Maximum continuous operating current. Exceeding this value may damage the device.
Reverse voltage VR 5 V Maximum limit of reverse voltage applied.
Power dissipation Pd 3 W Determined by operating voltage and current. Exceeding this value will affect performance and lifespan.
Soldering temperature (10s) Tsoldering 260 °C Upper limit of lead temperature during soldering.

5. Recommended Operating Conditions

Parameter Symbol Value Unit Remarks
Forward operating current IF 1 A Recommended normal operating current.
Forward operating voltage Vf 3 V Voltage corresponding to 1A operating current.
Operating ambient temperature Ta

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