LES25B48-1V2RSJ Emerson Network Power, LES25B48-1V2RSJ Datasheet - Page 2
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LES25B48-1V2RSJ
Manufacturer Part Number
LES25B48-1V2RSJ
Description
CONV 48VIN 1.2V@25A 1/8BRICK SMD
Manufacturer
Emerson Network Power
Series
Eighth-Brick Br
Type
Point of Load (POL) Non-Isolated with Remote On/Off and UVLOr
Datasheet
1.LES20B48-3V3REJ.pdf
(4 pages)
Specifications of LES25B48-1V2RSJ
Output
1.2V
Number Of Outputs
1
Power (watts)
80W
Mounting Type
Surface Mount
Voltage - Input
36 ~ 75V
Package / Case
8-DIP Module, 1/8 Brick
1st Output
1.2 VDC @ 25A
Size / Dimension
2.30" L x 0.90" W x 0.33" H (58.4mm x 22.9mm x 8.4mm)
Power (watts) - Rated
30W
Operating Temperature
-40°C ~ 85°C
Efficiency
86%
Approvals
CSA, cUL, TUV, UL
Output Power
30 W
Input Voltage Range
36 V to 75 V
Input Voltage (nominal)
48 V
Output Voltage (channel 1)
1.2 V
Output Current (channel 1)
25 A
Package / Case Size
Eighth Brick
Output Voltage
1.2 V
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
3rd Output
-
2nd Output
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Part Number System with Options
Electrical Specifications
Ordering Information
S = Single Output
General
Basic insulation:
Switching frequency:
Approvals and
standards:
Material flammability:
Weight:
MTBF:
EMC Characteristics
Immunity:
ESD air enclosure:
Radiated field enclosure:
Conducted:
Input transients:
Environmental Characteristics
Thermal performance:
Protection
Short-circuit:
Overvoltage:
Thermal:
L = Low Profile
Voltage
E = 1/8 Brick
Output
12.0 V
5.0 V
3.3 V
2.5 V
1.8 V
1.5 V
1.2 V
1.0 V
Product
Family
LES
Current
Output
(Max)
6.7
13
20
22
25
25
25
25
20 = 20 Amps, etc.
Rated Output
22 = 22 Amps,
Efficiency
Current
(Typ)
92%
92%
91%
90%
89%
88%
86%
85%
22
Set Point
Accuracy
(Typ)
Input/output
Fixed
Telcordia SR-332 Issue 1,
50% stress, 40 °C ambient
EN1000-4-2 8 kV/6 kV
EN1000-4-3 10 V/m
EN1000-4-6 10 V
100 V, 100 ms
±1%
±1%
±1%
±1%
±1%
±1%
±1%
±1%
B = 2nd generation
A = 1st generation
Operating ambient
temperature
Non-operating
Vintage
Regulation
B
±0.1%
±0.1%
±0.1%
±0.1%
±0.1%
±0.1%
±0.1%
±0.1%
Line
125% Vo (typ) with automatic recovery
48 -
(36 - 75 VDC range)
125 °C hot spot temperature with
±0.2%
±0.2%
±0.2%
±0.2%
±0.2%
±0.2%
±0.2%
±0.2%
Nominal Rated
Load
Input Voltage
48 = 48 Volts
115% with automatic recovery
Ripple & Noise
70 mVp-p
30 mVp-p
30 mVp-p
30 mVp-p
30 mVp-p
25 mVp-p
25 mVp-p
20 mVp-p
(Typ)
(O/P within spec.)
(O/P within spec.)
(O/P within spec.)
automatic recovery
2V5 = 2.5 Volts
3V3 = 3.3 Volts
EN60950-1 VDE
UL/cUL60950-1
-40 °C to +125 °C
-40 °C to +85 °C
20 g (0.70 oz)
Type of
Output
2V5
4.2 M hours
LES06B48-12V0REJ
LES13B48-5V0REJ
LES20B48-3V3REJ
LES22B48-2V5REJ
LES25B48-1V8REJ
LES25B48-1V5REJ
LES25B48-1V2REJ
LES25B48-1V0REJ
Model Number(7)
2250 V dc
UL94V-0
500 kHz
Blank = Positive
ON/OFF LOGIC
R = Negative
Remote
R
Notes
1 di/dt = 1 A/µs, Vin = 48 Vdc, Tc = 25 °C, load change =
2 Start-up into resistive load.
3 This product is only for inclusion by professional
4 Recommended input fusing is up to 10 A HRC 200 V
5 Warranty: 2 years.
6 through-hole version intended for wave soldering
7 The ‘J’ suffix indicates that these parts are Pb-free
50% to 75% lo max. and 75% to 50% lo max. Deviation
varies by model. For further details see Technical
Reference Notes (TRN).
installers within other equipment and must not be
operated as a stand alone product.
rated fuse.
process.
(RoHS 6/6) compliant.
S = 0.33 in (8.1 mm), Surface Mount
A = 0.33 in (8.1 mm),Through Hole
E = 0.37 in (9.1 mm), Through Hole
Body Height, Package Type
0.19 in (4.8 mm), Pins
0.19 in (4.8 mm), Pins
and Pin Length
Embedded Power for
Business-Critical Continuity
E
J = Pb free (RoHS
Compliance (7)
6/6 compliant)
Eighth-Brick B Series
Rev. 11.25.08_138
RoHS
J
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