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"HENGNIU", a Good Electronic Transformer Brand from the
Hometown of the World Famous Great Panda.
Comparison on EI and Toroidal Transformer Electronic Data
HDZJĽě-16
Type
EI Transformer
Toroidal Transformer
Volume
120VA
120VA
Model
EI
HDB-120Tc
Intensity of Reactance
Primary to Secondary/Ground
3.5KV/2.0mA
3.5KV/2.0mA
No-load
No-load Current
ٍmA٩
220V/50Hz
78.6
6.4
 
 
 
No-load LossٍW٩
6.4
0.8
No-load VoltageٍV٩
32.84
32.75
Load
Load CurrentٍA٩
4.0
4.0
Load VoltageٍV٩
29.8
29.4
Voltage Regulation (ŁĄ)
9.25
10.23
DC Resistance (¦¸)
Primary 1ٍ¦¸Ł©220V
11.81
17.73
Secondaryٍ¦¸Ł©28V
0.3
0.31
Temperature-rise
88.0
63.3
Test Record
EI
 
To:   23.2ˇć
T1:   23.6ˇć
      CH1
COLD: 11.89
HOL;  15.95
¦¤T:   88.0
TIME:  2.42.08
Toroidal
 
To:    24.8ˇć
T1:    25.1ˇć
       CH1
COLD: 17.72
HOL;  22.05
¦¤T:   63.3
TIME:  2.43.06
Circuit:
Remark:
1. The temperature-rise of HDB-120Tc lower 25ˇć than its EI counterpart.
2. The comprehensive data of HDB-120Tc better than its EI counterpart.
 
 
OEM, ODM, Customer-designed Drawing,Sample & Specification Acceptable. Copyright 1997