SPECIFICATION

Hebei I.T. (Shanghai) Co., Ltd.
SPECIFICATION
Part No.：
4V AC1 3CW6
Features：
z High radiometric power per LED
z Very long operating life
(up to 100K hours)
z Low voltage DC operated
z More Energy Efficient than Incandescent
and most Halogen lamps
z Good color uniformity
z NO UV
z Superior ESD protection
z Easy installation with Screws
z High Heat dissipstion Efficiency
Typical Applications：
z Reading lights(car,bus,aircraft)
z Portable(flashlight,bicycle)
z Automotive Exterior(Stop-Tail-Turn,
CHMSL,Mirror Side Repeat)
z Decorative/Entertainment
z Dental curing lights
z Uplighters/Downlighters
NOTE:
z All dimensions are millimeter.
z Tolerance is ±0.1mm unless otherwise noted.
z It is strongly recommended that the temperature of
lead be not higher than 70℃.
z The appearance and specifications of the product may
be modified for improvement without notice.
z Bollards/Security/Garden
z Cove/Undershelf/Task
z Indoor/Outdoor Commercial and Residential Architectural
z Automotive Ext(stop-Tail-Turn)
z Street Lamp
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Page 1 of 6
Hebei I.T. (Shanghai) Co., Ltd.
SPECIFICATION
4V AC1 3CW6
Part No.：
Typical Radiation Pattern
DIRECTIVITY
0°
Relative Luminous
1.0
Ta=25°C
IF=350mA
30°
60°
0.5
0
90°
60°
0°
30°
90°
1.0
0.5
Radiation Angle
Absolute maximum ratings（Ta = 25℃）
Value
Parameter
Symbol
Test
Condition
Unit
Min.
DC Forward Current
Peak Pulse Current
Power Dissipation
LED Junction Temperature
Operating Temperature
Storage Temperature
ESD Sensitivity
Soldering Temperature
www.ledz.com
IF
Ipeak
Pd
Tj
Topr
Tstr
-------
---Duty=1/10 1kHz
------------HBM
----
R e v：B/3
Max.
---400
mA
---500
mA
---5.3
W
---105
℃
-25
+85
℃
-40
+100
℃
8000
---V
220℃ for 5 Seconds max
Page 2 of 6
Hebei I.T. (Shanghai) Co., Ltd.
SPECIFICATION
4V AC1 3CW6
Part No.：
Electrical and optical characteristics （Ta = 25℃）
Value
Parameter
Symbol
Test
Condition
Unit
Min.
Forward Voltage
Luminous Flux
Viewing Angle
Color Temperature
Thermal Resistance
VF
Φv
2θ1/2
CCT
Rj
IF = 350mA
Y
400
450
Z
450
500
---5000
Max.
------6500
V
lm
Deg.
K
℃/W
Unit: lm
A2
500
600
Chromaticity Coordinates Ranks(IF=350mA
Bin
12.8
450
120
----5
-----
Luminous Flux Bins（Ta = 25℃）
Bin
Min
Max
Typ.
Ta=25℃)
x1
y1
x2
y2
x3
y3
x4
y4
PT1
0.3384
0.3650
0.3381
0.3550
0.3461
0.3617
0.3469
0.3717
PT2
0.3381
0.3550
0.3378
0.3451
0.3453
0.3518
0.3461
0.3617
PT3
0.3378
0.3451
0.3374
0.3352
0.3444
0.3418
0.3453
0.3518
PT4
0.3374
0.3352
0.3371
0.3252
0.3436
0.3318
0.3444
0.3418
PV1
0.3300
0.3584
0.3302
0.3484
0.3381
0.3550
0.3384
0.3650
PV2
0.3302
0.3484
0.3303
0.3384
0.3378
0.3451
0.3381
0.3550
PV3
0.3303
0.3384
0.3304
0.3285
0.3374
0.3352
0.3378
0.3451
PV4
0.3304
0.3285
0.3306
0.3185
0.3371
0.3252
0.3374
0.3352
PW1
0.3236
0.3534
0.3242
0.3434
0.3302
0.3484
0.3300
0.3584
PW2
0.3242
0.3434
0.3247
0.3335
0.3303
0.3384
0.3302
0.3484
PW3
0.3247
0.3335
0.3253
0.3235
0.3304
0.3285
0.3303
0.3384
PW4
0.3253
0.3235
0.3258
0.3136
0.3306
0.3185
0.3304
0.3285
PX1
0.3173
0.3484
0.3182
0.3385
0.3242
0.3434
0.3236
0.3534
PX2
0.3182
0.3385
0.3191
0.3286
0.3247
0.3335
0.3242
0.3434
PX3
0.3191
0.3286
0.3201
0.3186
0.3253
0.3235
0.3247
0.3335
PX4
0.3201
0.3186
0.3210
0.3086
0.3258
0.3136
0.3253
0.3235
PY1
0.3109
0.3434
0.3122
0.3335
0.3182
0.3385
0.3173
0.3484
PY2
0.3122
0.3335
0.3135
0.3236
0.3191
0.3286
0.3182
0.3385
PY3
0.3135
0.3236
0.3149
0.3136
0.3201
0.3186
0.3191
0.3286
PY4
0.3149
0.3136
0.3162
0.3037
0.3210
0.3086
0.3201
0.3186
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R e v：B/3
Page 3 of 6
Hebei I.T. (Shanghai) Co., Ltd.
SPECIFICATION
4V AC1 3CW6
Part No.：
Y
5000K
0.370
5600K
PT1
0.360
PV1
6300K
0.350
PT2
PW1
PV2
PX1
0.340
PY1
PY2
PV3
PT4
PW3
PV4
PX3
PY3
0.320
PT3
PW2
PX2
0.330
Blackbody Curve
PW4
PX4
PY4
0.310
0.300
0.300
0.310
0.320
0.330
0.340
0.350
X
Note
1． Flux is measured with an accuracy of ±15%
2． Chromaticity Coordinates (x,y) is measured with an accuracy of ±0.01
3． Forward Voltage is measured with an accuracy of ± 0.2V
4． It is strongly recommended that the temperature of lead be not higher than 70oC
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Page 4 of 6
Hebei I.T. (Shanghai) Co., Ltd.
SPECIFICATION
Part No.：
Typical electrical/optical characteristic curves
4V AC1 3CW6
TJ=25OC
White
1.0
Standard Eye Response Cruve
Relative Spectral Power
Distribution
White
0.8
0.6
0.4
0.2
0.0
350 400 450 500 550 600 650 700 750 800 850
Wavelength λ(nm)
Typical electrical/optical characteristic curves：
Fig.2 Relative Intensity Vs Forw ard Current (mA)
Fig.1 Forward Current(mA) Vs. F orward Voltage(V)
2.0
Luminous Intensity
Relative Value at IF=350mA
Forward Current(mA)
500
400
300
200
100
0
3
6.0 9
12
15
Forward Voltage(V)
Relative Luminous Intensity
Forward Current(mA)
300
200
100
0
0
20
40
60
80
Ambient Temperature TA (℃)
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100
0.8
0.4
0
100 200 300 400
IF-Forward Current (mA)
500
Fig.4 Relative Intensity Vs. Am bient Temperature
Fig.3 Forward Current Vs Ambien t Temperature
400
1.2
0
18.0
500
1.6
2.5
2.0
1.5
1.0
0.5
0
-40
0
20
-20
40
60
Ambient Temperature TA (℃)
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80 90
Page 5 of 6
Hebei I.T. (Shanghai) Co., Ltd.
SPECIFICATION
Part No.：
4V AC1 3CW6
Recommended installation screw pitch
If you can not slove the heat problem,the product will distroy easily.Suggest that the
2
surface of the heat sink is 35cm /1W
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R e v：B/3
Page 6 of 6