EVERLIGHT ELECTRONICS CO., LTD.
DEVICE NUMBER : DIH-425-032 REV : 1.0
ECN : PAGE : 1/8
5mm Infrared LED
MODEL NO : HIR4254C
Features :
High radiant intensity
Peak wavelength p=850nm
View angle 60
High reliability
Description :
EVERLIGHT’s Infrared Emitting Diode (HIR4254C) is a high intensity diode, molded in a
water clear plastic package.
The device is spectrally matched with phototransistor, photodiode and infrared receiver
module.
Applications :
Free air transmission system
Optoelectronic switch
Infrared remote control units with high power requirement
Floppy disk drive
CHIP
PART NO. MATERIAL LENS COLOR
HIR GaAlA s Water clear
EVERLIGHT ELECTRONICS CO., LTD.
DEVICE NUMBER : DIH-425-032 REV : 1.0
ECN : PAGE : 2/8
5mm Infrared LED
MODEL NO : HIR4254C
Package Dimensions :
Notes :
1.All d imensions are in millimeter.
2.Protruded resin under flange 1.5 mm Max.
3.Lead spacing is measured where the lead emerge from the package.
4.Lens colorWater clear.
5.Above spe c if ication may be changed without notice. EVERLIGHT will reserve authority
on material change for above specification.
6.These specification sheets include materials protected under copyright of EVERLIGHT
corporation . Please don’t reproduce or cause anyone to reproduce them without
EVERLIGHT’s consent.
7.When using this product , please observe the absolute maximum ratings and the
instructions for use outlined in these specification sheets. EVERIGHT assumes no
responsibility for any damage resulting from use of the product which does not comply
with the absolute maximum ratings and the instructions included in these specification
sheets.
EVERLIGHT ELECTRONICS CO., LTD.
DEVICE NUMBER : DIH-425-032 REV : 1.0
ECN : PAGE : 3/8
5mm Infrared LED
MODEL NO : HIR4254C
Absolute M aximum Ratings at TA = 25
Parameter Symbol Rating Unit Notice
Continuous Forward Current IF50 mA
Peak Forward Current
Pulse width=100s,Duty cycle=1IFP 1.0 A
Reverse Voltage VR5V
Operating Temperature Topr -40 ~ +85
Storage Temperature Tstg -40 ~ +85
Soldering Temperature Tsol 260 4mm from mold
body less than
5 seconds
Power Dissipation at(or below)
25Free Air Tempera ture Pd 100 
Electronic Optical Characteristics :
Parameter Symbol Min. Typ. Max. Unit Condition
2.8 4.5 ---- IF=20mA
---- 20 ---- IF=100mA,tp=100s, tP/T=0.01
Radiant I ntensity Ee ---- 250 ---- mW/sr IF=1A,tp=100s, tP/T=0.01
Peak Wavelength P---- 850 ---- nm IF=20mA
Spectral
Bandwidth     nm IF=20mA
   IF=20mA
   IF=100mA,tp=100s, tP/T=0.01
Forward Voltage VF
  
VIF=1A,tp=100s, tP/T=0.01
Reverse Current IR   AVR=5V
View Angle 21/2 ---- 60 ---- deg IF=20mA






EVERLIGHT ELECTRONICS CO., LTD.
DEVICE NUMBER : DIH-425-032 REV : 1.0
ECN : PAGE : 4/8
5mm Infrared LED
MODEL NO : HIR4254C
Typical Electrical/Optical/Characteristics Curves



 
 

 
 

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 
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
EVERLIGHT ELECTRONICS CO., LTD.
DEVICE NUMBER : DIH-425-032 REV : 1.0
ECN : PAGE : 5/8
5mm Infrared LED
MODEL NO : HIR4254C
Typical Electrical/Optical/Characteristics Curves
EVERLIGHT ELECTRONICS CO., LTD.
DEVICE NUMBER : DIH-425-032 REV : 1.0
ECN : PAGE : 6/8
5mm Infrared LED
MODEL NO : HIR4254C
Reliability Test I tem And Conditi on
The relia bility of products sha ll be satisfied with items listed below.
Confidence level:90%
LTPD:10%
NO. Item Test Conditions Test
Hours/
Cycle
Sample
Size Failure
Judgement
Criteria
Ac/Re
1 Solder Heat TEMP : 2 60 ± 5 5 sec 22 PCs 0/1
H : +85 30 min
2 Temperature Cycle 5 min 50 cycle 22 PCs
IR 2
 0.8
VF 1.2 0/1
L : -55 30 min
H : +100 5 min U :Upper
specification
limit
3 Thermal Shock 10 sec 50 cycle 22 PCs L :Lower
specification
limit
0/1
L : -10 30 min
4 High Temperature
Storage TEMP. : +1001000 hrs 22 PCs 0/1
5 Low Temperature
Storage TEMP. : -551000 hrs 22 PCs 0/1
6 DC Operating Life IF=20mA 1000 hrs 22 PCs 0/1
7 High Temperature /
High Humidity 85 / 85% R.H. 1000 hrs 22 PCs 0/1
EVERLIGHT ELECTRONICS CO., LTD.
DEVICE NUMBER : DIH-425-032 REV : 1.0
ECN : PAGE : 7/8
5mm Infrared LED
MODEL NO : HIR4254C
Test Method For Power :
Condition : 
Test Item : 
Unit : mW/sr
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 
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
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

 




EVERLIGHT ELECTRONICS CO., LTD.
DEVICE NUMBER : DIH-425-032 REV : 1.0
ECN : PAGE : 8/8
5mm Infrared LED
MODEL NO : HIR4254C
Packing Specifications
CPN : Customer’s Production Number
P/N : Production Number
QTY : Packing Quantity
CAT : Ranks
HUE : Peak Wav ele ngth
REF : Reference
LOT NO : Lot Number
MADE IN TAIWAN : Production pl ace
Packing Quantity Specification
1. 500Pcs/1Bag6 Bags/1Box
2. 10 Boxes/1Carton