TENTATIVE
CUSTOMER'S PRODUCT NAME:
DC/AC INVERTER UNIT CXA-0547
TDK PRODUCT NAME:
MESSRS :
DWG.No.
PREPARED BY APPROVED BY AUTHORIZED BY
K.Yamaishi H.Masuoka
CTR-3911-X
K.Imai
Specification Comparison
TDK-Lambda Corporation
April 27th,
2010
April 27th,
2010
April 27th,
2010
TENTATIVE
No. MATERIALS NAME MATERIAL REMARK
PRODUCT NAME or MODEL,TITLE
DC-AC INVERTER UNIT CXA-0547
PAGENAME OF DRAWING DRAWING No.
Specification Comparison CTR-3911-X
TSB-08-01-05(00) form-6(A4)
TDK-Lambda
QU
1
<The drawing may be changed without any notice.>
1.Appearance, dimension and pin configuration
∴CXA-0349
∴CXA-0547
The difference between CXA-0349 and CXA-0547.
*Product summary
1-1.Appearance
1-2.Dimension and Pin configuration
P/N X dimension Y dimension Z dimension diameter of
mounting hole pitch of mounting hole
CXA-0349 180.0±0.5 37.0±0.5 12max 3.0±0.2 X: 80±0.3,93±0.3
Y: 28±0.3
CXA-0547
P/N Input Connector Output Connector
CXA-0349 S7B-PH-SM4-TB(LF)(SN) SM02B-BHSS-1-TB(LF)(SN)
CXA-0547
Unit in m m
CXA-0547 expands operating temperature range to -20ºC~70ºC compared with CXA-0349.
At the same time, all components is mounted by machine. So human error reduces and reliability is
improved.
Input fuse rating is changed because the lamp impedance at low temperature is high.
This product is expected stable supply to the customer by replacement of terminated components.
The appearance of CXA-0547 is changed as follows because several component is changed from CXA-0349.
The CXA-0349 has several hand mount components indicated in .
All of components are mounted by machine in CXA-0547.
Dimension, Pin configuration, Mounting hole and Input Output connector are not changed.
TENTATIVE
No. MATERIALS NAME MATERIAL REMARK
PRODUCT NAME or MODEL,TITLE
DC-AC INVERTER UNIT CXA-0547
PAGENAME OF DRAWING DRAWING No.
Specification Comparison CTR-3911-X
TSB-08-01-05(00) form-6(A4)
TDK-Lambda
QU
2
<The drawing may be changed without any notice.>
2.Absolute Maximum Ratings
Input Voltage
Vin
Vrmt
Vbr
0~14.4 V
0~Vin V
0~Vin V
3.Electrical Characterisitics
Item
Output Current
(Maximim
Brightness)
Output Current
(Minimum
Brightness)
Input Current1
Input Current2
Oscillation
Frequency
PWM Dimming
Frequency
Open Output
Voltage
Warning
Output
Symbol
Iout
Iin1
Iin2
F1
F2
Vopen
Vst
Condition
Vin
(V)
Vrmt
(V)
Rbr(kΩ)/
Vbr(V)
Ta
(ºC)
RL1,2,3,4
(kΩ)
Specification
CXA-0349 CXA-0547
MIN. MIN.TYP. TYP.MAX. MAX.
Unit
12±
1.2
12±
0.05
12±
1.2
12±
1.2
12±
1.2
12±
1.2
12±
1.2
10.8±
0.05
12±
1.2
12±
1.2
12±
1.2
12±
1.2
12±
1.2
5±
0.25
5±
0.25
5±
0.25
5±
0.25
0±
0.25
5±
0.25
5±
0.25
5±
0.25
5±
0.25
5±
0.25
5±
0.25
5±
0.25
5±
0.25
0 / 0
0 / 0
50 / 2.5
0 / 0
0 / 0
0 / 0
50 / 2.5
0 / 0
0 / 0
0 / 0
0 / 0
0 / 0
0 / 0
*1
*1
*1
*1
*1
*1
*1
*1
*1
*1
*1
*1
23
±5
80
80
80
80
80
80
80
∞
RL1=∞
RL2,3,4=80
RL2=∞
RL1,3,4=80
RL3=∞
RL1,2,4=80
RL4=∞
RL1,2,3=80
80
6.2 6.9 7.6 
6.4 6.9 7.4 
1.7 2.7 3.7 
- 1.6 2.0 2.2
- 0 1 
40 45 50 
120 140 160 
1800 2100 2400 
4.5 5.1 5.5
4.5 5.1 5.5
4.5 5.1 5.5
4.5 5.1 5.5
- 0.1 0.5





mA
rms
kHz
Hz
Vrms
V
Item CXA-0349 CXA-0547Symbol Unit Remark
Load Resistance RL 90 kΩ
Operational Temperature range
Ta -10~70 -20~70 ºC
Storage Temperature range
Ts -30~85 ºC
Operational Humidity range
Ha 0~95 %RH.
Maximum wet bulb temperature is 38ºC.
No dew.
*1　The ambient temperature of CXA-0349 is -10~70ºC and CXA-0547 is -20~70ºC.
A
mA
CXA-0547 expands operating temprature range to -20ºC~70ºC compared with CXA-0349.
Except operating temprature range any specification is not changed.
The maximum current specification changes to 2.2A from 2A because input current is increase
in low temperature operation.