Chuir sinn pacaid air na die lom 680nm LED sin le cùis 3.5 * 2.8 * 1.9mm SMD LED. Is dòcha nach eil cuairteachadh tonn-tonn gach tonn-solais anns an giùlan seo co-chothromach ri crìoch lambda λp . Tha sinn a ’faireachdainn mar thoradh coileanta de ghnìomhachd gach tonn-tonn. Tha e a ’freagairt ri aon tonn-solais. Is e luach an tonn-tonn lambda λ D. Mar a tha fios againn, bidh samhla air a shealltainn anns an duilleag dàta LED: " λp " agus " λ D ". An uairsin dè tha sin a’ ciallachadh? Mar as trice chì thu beam solais, chan e tonn-solais singilte a th ’ann, tha e air a dhèanamh suas le measgachadh de dh’ tonnan fada. Tha lùth tonn-solais nas motha na lùth tonnan eile , an uair sin tha seo wavelength àirde wavelength na saile. air an wavelength sgaoileadh lùb, dìreach loidhne eadar an abscissa agus lùb sgaraidhean an sgìre fo lùb co-ionnan ann an dà thaobh. Tha an co-rèir dìreach wavelength luach a th 'lambda λ D.

- Paramadairean Tomhas -

Tha na cùisean SMD LED seo cuideachd rim faighinn airson IR LED, UV LED, Blue SMD LED, Red SMD LED, Amber LED ect.

- A ’sgaoileadh dath -

- Paramadairean Dealain -

Parameter	Symbol	Rating
Power Dissipation	Pd	250mw
Pulse Forward Current	IFP	300mA
Forward Current	IF	100mA
Reverse Voltage	VR	5V
Junction Temperature	Tj	115°C
Operating Tempertature	Topr	-40 - +80°C
Storage Tempertature	Tstg	-40 - +100°C
Soldering Temperature	Tsol	260°C
Electro-Static-Discharge(HBM)	ESD	3000v
Warranty	Time	5Years
Antistatic bag	Piece	2000Bag
*Pulse Forward Current Condition:Duty 1% and Pulse Width=10us.
*Soldering Condition:Soldering condition must be completed with 3 seconds at 260°C

Parameter	Symbol	Min	Typ	Max	Unit	Test Condition
Luminous Intensity	IV	0.2	0.3	0.5	lm	IF=20mA
		0.5		1		IF=50mA
			1.5			IF=100mA
Viewing Angle	2q1/2		120		deg	IF=100mA
Peak Wavelength	λp	680	690	695	nm	IF=100mA
Spectral Bandwidth	Dl		45		nm	IF=100mA
Forward Voltage	VF	1.8	2.0	2.4	V	IF=20mA
		1.9	2.2	2.5		IF=50mA
			2.5			IF=100mA
Reverse Current	IR			5	uA	VR=5V
*Luminous Intensity is measured by ZWL600.
*2q1/2 is the off-axis angle at which the luminous intensity is half the axial luminous intensity.
*lD is derived from the CIE chromaticity diagram and represents the single wavelength which defines the color of the device.

- Ceangal uèir òir -

* Gus gach beatha fhada LED a chumail, bidh factaraidh BestLED a ’cleachdadh uèir òr fìor-ghlan airson ceangal cuairteachaidh a-staigh

- Pacadh-

* Gus gach beatha fhada LED a chumail, bidh factaraidh BestLED a ’cleachdadh uèir òr fìor-ghlan airson ceangal cuairteachaidh a-staigh

-Achdachadh-

- Riochdachadh -

- Cleachd -