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B70SR12424A Datasheet, PDF (1/11 Pages) Delta Electronics, Inc. – 12V Output DC/DC Converter, Box Type Package
B70SR12424A
12V Output DC/DC Converter, Box Type Package
FEATURES
 Wide input voltage range, 36~106V
 300W Output
 Full Load Efficiency up to 89.5% @48Vin;
90%@72Vin
 Intergrated fuse holder
 Parallel Connection of multiple units
 Box type package with metal base plate
 Package Dimension:
190.0x76.0x43.5mm (7.48”x2.99”x1.71”)
 Operating Temperature Range - 40°C to +75°C
 Input Reverse Polarity Protection
 Minimized Inrush current
 Input UVLO, Output OCL, Short circuit protection,
OVP, OTP
 Enable on/off (option)
 2250VDC Isolation
 IP67 Protection
 RoHs Compliant
 ISO 9001, ISO 14001 certified manufacturing facility
 UL60950
 CE Mark
 EMC compatible: EN12895
 Electrical transient conduction: ISO7637-2
The B70SR12424A, a wide input voltage range of 36~106V, and single isolated output converter, is the latest product offering from a
world leader in power systems technology and manufacturing ― Delta Electronics, Inc. Such box type DCDC converter can provide 300W,
12.4V regulated DC output voltage with full load efficiency up to 90% @72Vin; The B70SR12424A offers input UVLO, output over current
limit, short circuit, output over voltage, over temperature, and input reverse polarity protections, It has an intergrated fuse holder. It also has
parallel function; and allows a wide operating temperature range of –40°C to +75°C. With creative design technology and optimization of
component placement, this converter possess outstanding electrical and thermal performance, as well as high reliability under extrmely harsh
operating conditions. The B70SR12424A meets IP67 protection (not include the connector and fuseholder).
Input Characteristics
Item
Condition
Min.
Continuous Input Voltage
36
Max Input voltage
10 minutes, normal operating
Input Under-Voltage Lockout, Turn-On
33
Voltage Threshold
Input Under-Voltage Lockout, Turn-Off
31
Voltage Threshold
Typ.
Max.
72
106
126
34
35
32
22
Lockout Hysteresis Voltage
1
2
3
Maximum Input Current
No-Load Input Current
Reflected input ripple current
Max Reverse Polarity Input Voltage
Max Inrush current
Internal Input Fuse
Vin=36V, 100% Load
Vin=48V
Vin=72V, 80V
Vin=72V, Vpp
Ø 6.35mm*31.75mm
9.2
10
35
60
25
50
0.2
106
10
250V/25A Fast-acting fuse
Unit
VDC
VDC
VDC
VDC
VDC
A
mA
mA
A
VDC
A
DS_B70SR12424A_10222013
E-mail DCDC@delta.com.tw
http://www.deltaww.com/dcdc P1