260018 MARL, 260018 Datasheet - Page 6

• Manufacturer Part Number: 260018
• Description: LED, 4MM, ULTRAVIOLET, 375NM
• Manufacturer: MARL

Specifications of 260018

• Bulb Size: T-1 3/4 (5mm)
• Led Color: Ultra Violet
• Viewing Angle: 10°
• Forward Current If: 10mA
• Forward Voltage: 3.9V
• Led Mounting: Through Hole
• Lens Shape: Round
• Wavelength Typ: 370nm
• Bulb Diameter: 5.4mm
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

(5) Soldering Conditions
(6) Heat Generation
(7) Cleaning
· Solder the LED no closer than 3mm from the base of the lead.
· Recommended soldering conditions
· Do not apply any stress to the lead particularly when heated.
· The LEDs must not be repositioned after soldering.
· After soldering the LEDs, the lead should be protected from mechanical shock or vibration until
· Direct soldering onto a PC board should be avoided.
· When it is necessary to clamp the LEDs to prevent soldering failure, it is important to minimize
· Cut the LED leads at room temperature.
· Thermal design of the end product is of paramount importance.
· The operating current should be decided after considering the ambient maximum temperature of LEDs.
· It is recommended that isopropyl alcohol be used as a solvent for cleaning the LEDs.
· Do not clean the LEDs by the ultrasonic.
the LEDs return to room temperature.
from warping of the PC board or from the clinching and cutting of the leads.
absolutely necessary, the LEDs may be mounted in this fashion but the User will assume responsibility
for any problems.
such as wire bond failure or glass
directly to double sided PC boards because the heat will deteriorate the glass.
the mechanical stress on the LEDs.
cause failure of the LEDs.
of the LED when making the system design.
electric power is affected by the thermal resistance of the circuit board and density of LED placement
on the board, as well as other components. It is necessary to avoid intense heat generation and operate
within the maximum ratings given in this specification.
other solvents, it should be confirmed beforehand whether the solvents will dissolve the resin or not.
Freon solvents should not be used to clean the LEDs because of worldwide regulations.
cleaning on the LEDs depends on factors such as ultrasonic power and the assembled condition.
Before cleaning, a pre-test should be done to confirm whether any damage to the LEDs will occur.
Pre-Heat
Pre-Heat Time
Solder Bath
Dipping Time
Dipping Position
Temperature
Direct soldering should only be done after testing has confirmed that no
Dip Soldering
120°C Max.
60 seconds Max.
260°C Max.
10 seconds Max.
No lower than 3 mm from the
base of the lead.
deterioration,
Cutting the leads at high temperatures may
When it is absolutely necessary, the influence of ultrasonic
The coefficient of temperature increase per input
will occur.
-5-
Temperature
Soldering Time
Position
Mechanical stress to the glass may be caused
Nichia’s LEDs should not be soldered
Please consider the heat generation
350°C Max.
3 seconds Max.
No closer than 3 mm from the
base of the lead.
Soldering
Nichia STSE-CH2058C
When it is
<Cat.No.040206>
When using
damage,