Murata MVAC250-12F 250w high density ac-dc power supply Datasheet

MVAC250 Series
www.murata-ps.com
250W High Density AC-DC Power Supply
ORDERING GUIDE
Model Number
Natural Convection Cooling
Forced Air Cooling
MVAC250-12F
MVAC250-24F
MVAC250-48F
170W
250W @ 250LFM
MVAC250-12AF
MVAC250-12AFD*
MVAC250-24AFD*
MVAC250-48AFD*
* Refer to page 2 for current sharing model number MVAC250-xxAFD notes.
FEATURES

3rd ed. medical and ITE safety approved

250W compact high density

3" x 5" standard footprint

High efficiency up to 94%

Remote sense

Remote On/Off, Power OK (MVAC250-xxAFx)

Universal AC input with active PFC

Less than 1U high – 1.4"
INPUT CHARACTERISTICS
Parameter
Conditions
Min.
Input Voltage Operating Range*
Single phase
90
Input Frequency
47
Turn-on Input Voltage
Input rising
80
Turn-off Input Voltage
Input falling
70
Input Current
90Vac input, full load all outputs
1.5
No Load Input Power (MVAC250-xxAFD)7 (PS_ON = OFF, 5V_Aux = 0A)
Inrush Current
At 264Vac, at 25°C cold start
Power Factor
At 230Vac, full load
*DC Input 127-300Vdc optionally available; contact your Murata salesperson.

Convection cooled operation up to 170W
OUTPUT CHARACTERISTICS

Isolated 12V@1A fan output
Model Number

Isolated 5V@2A standby output with models
MVAC250-xxAFx

RoHS compliant

Active inrush protection

Current sharing option
DESCRIPTION
The MVAC250 series switching power supplies
utilize advanced component and circuit
technologies to deliver high efficiency. Designed
for medical, computing, communications, telecom
and other OEM applications to satisfy 1U height
design considerations, the MVAC250 Series
measures only 3.0" x 5.0" x 1.40". All models
offer universal AC input with active power factor
correction (PFC) and compliance to worldwide
safety and EMC standards.
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Main Output Fan Output Aux Output
(V1)
(V2)
(V3)
12V
12V
24V
12V
50V
12V
12V
12V
5V
12V
12V
5V
24V
12V
5V
50V
12V
5V
MVAC250-12F
MVAC250-24F
MVAC250-48F
MVAC250-12AF
MVAC250-12AFD
MVAC250-24AFD
MVAC250-48AFD
Main Output
Load Current
Voltage (V1)
12V
0.4 to 20.8A
24V
0.2 to 10.4A
50V
0.1 to 5.0A
12V
0 to 20.8A
12V @ 10.4A6
0 to 20.8A
24V @ 5.2A6
0 to 10.4A
50V @ 2.5A6
0 to 5.0A
Maximum Load
Capacitance
0 to 1500µF
0 to 300µF
0 to 82µF
0 to 1500uF
0 to 1500µF
0 to 300µF
0 to 82µF
Typ.
115/230
50/60
Max.
264
63
90
80
3.4
2.0
15
0.96
Line, Load, Cross
Regulation
± 1%
± 1%
± 1%
+-1%
± 1.5%6
± 1.5%6
± 1.5%6
Units
Vac
Hz
Vac
A
W
Apk
Typical Efficiency
@230Vac
93%
93%
94%
93%
93%
93%
94%
Main Output Characteristics (all models)
Parameter
Transient Response9
Settling Time to 1% of Nominal
Turn On Delay
Output Voltage Rise
Output Holdup
Temperature Coefficient
Ripple Voltage & Noise1
Conditions
50% load step, 1A/µsec slew rate
After application of input power
Monotonic5
120Vac/60Hz, full load
Compensates for up to 0.5V of lead drop with
remote sense connected. Protected against
short circuit and reverse connection.
Remote Sense
Typ.
Max.
±5
500
3
50
20
Units
%
µsec
sec
msec
0.02
1
%/°C
%
500
mV
Auxilliary Output Characteristics (varies by model)
Auxilliary Output
Fan (V2) all models
Aux (V3) – MVAC250-xxAFD
Aux Output
Load Current
Voltage8
12V
0 to 1A
0 to 2A
5V
Load Capacitance
0 to 220µF
0 to 220µF
Line, Load, Cross Ripple Voltage &
Regulation3
Noise1
± 10%
2%
± 5%
1%
Available now at
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CB
For full details go to
www.murata-ps.com/rohs
Test Certificate
and Test Report
PENDING
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MVAC250.A03 Page 1 of 8
MVAC250 Series
250W High Density AC-DC Power Supply
ENVIRONMENTAL CHARACTERISTICS
Parameter
Storage Temperature Range
Conditions
See power rating curves
Start up
Non-condensing
Operating Temperature Range
Operating Humidity
Operating Altitude
MTBF
Min.
Typ.
-40
-10
-20
10
-200
474K
Complies
Complies
Complies to levels of IEC721-3-2
Max.
85
70
Units
95
5000
%
m
Hours
Telcordia SR-332 M1C3 @25°C
Operating, MIL-HBK-810E
Non-operating, MIL-HBK-810E
IEC-68-2-27 standard
IEC60950-1:2006/A11:2009
UL60950-1 2nd Ed. 2007-03-27, CSA22.2 N0.60950-1 2nd Ed. 2007.03,
EN60950-1:2006+A11:2009 (Pending)
IEC60601-1 Ed. 3 MOOP
ANSI/AAMI ES60601-1 (2005+C1:09+A2:10), CSA 22.2 No. 60601-1 (2008) 3rd Edition MOOP
EN60601-1:2006 3rd ed. MOOP (Pending)
CE Marking per LVD
2 years
3.0" x 5.0" x 1.4" (76.2mm x 127mm x 35.6mm)
MVAC250-xxF: 0.73 lbs (332.9g); MVAC250-xxAFD: 0.76 lbs (344.7g)
Shock
Operational Vibration
Safety
Warranty
Outside Dimensions
Weight
°C
RESIDUAL RISK (PER ISO 14971 & IEC60601-1) FOR USER CONSIDERATION
Fault Condition
Complies
Residual Risk
Contact your Murata salesperson for details
PROTECTION CHARACTERISTICS
Parameter
Over Voltage Protection
4
Over Current Protection4
Over Temperature Protection
Remote Sense Short Circuit Protection
Remote Sense Reverse Connection Protection
Conditions
V1 (main output) latching
V3 (aux output: MVAC250-xxAFD) latching
V1, hiccup mode
Auto-recovery
Min.
110
5.5
110
Typ.
Max.
125
7.5
130
Units
%
V
%Amax
Max.
Units
Complies
Complies
Complies
ISOLATION CHARACTERISTICS
Parameter
Isolation
Earth Leakage Current (under single fault condition)
Earth Leakage Current (under normal conditions)
Conditions
Primary to Chassis
Primary to Secondary
Secondary to Chassis
Output to Output
MVAC250-xxAFD: 264Vac, 60Hz, 25°C
MVAC250-xxF: 264Vac, 60Hz, 25°C
MVAC250-xxAFD: 264Vac, 60Hz, 25°C
MVAC250-xxF: 264Vac, 60Hz, 25°C
Min.
1500
3000
500
500
Typ.
Vac
300
350
150
250
µA
CURRENT SHARING OPTION – MVAC250-xxAFD ONLY
Model Number
Description
Current Sharing Notes:
MVAC250-12AFD
MVAC250-24AFD
MVAC250-48AFD
Main Output: Current share is achieved using the droop method. Nominal output voltage is achieved at 50% load and output voltage drops at
a rate of 48mv per amp for 12V output, 192mV per amp for 24V output, and 800mV per amp for 50V output. Startup of parallel power supplies
is not internally synchronized. If more than 250W combined power is needed, start-up synchronization must be provided by using a common
PS_ON signal. To account for ±10% full load current sharing accuracy and the reduction in full load output voltage due to droop, available
output power must be derated by 15% when units are operated in parallel. Current sharing can be achieved with or without remote sense
connected to the common load. If ORing protection is desired, please contact Murata sales for external ORing FET board or external ORing FET
reference circuit design.
Aux (V3) output can be tied together for redundancy but total combined output power must not exceed 10W, external ORing devices must be
used.
Fan (V2) can be tied together for redundancy but total combined output power must not exceed 12W, external ORing diodes can be used.
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MVAC250.A03 Page 2 of 8
MVAC250 Series
250W High Density AC-DC Power Supply
EMISSIONS AND IMMUNITY
Characteristic
Standard
Compliance
Input Current Harmonics
Voltage Fluctuation and Flicker
IEC/EN 61000-3-2
IEC/EN 61000-3-3
EN 55022
FCC Part 15
IEC/EN 61000-4-2
IEC/EN 61000-4-3
IEC/EN 61000-4-4
IEC/EN 61000-4-5
IEC/EN 61000-4-6
IEC/EN 61000-4-8
IEC/EN 61000-4-11
Class A
Complies
Class B
Class B
Level 4, Criterion 2
Level 3, Criterion A
Level 4, Criterion A
Level 3, Criterion A
Level 3, 10V/m, Criterion A
Level 3, Criterion A
Level 3, Criterion B
Conducted Emissions
ESD Immunity
Radiated Field Immunity
Electrical Fast Transient Immunity
Surge Immunity
Radiated Field Conducted Immunity
Magnetic Field Immunity
Voltage dips, interruptions
EMI CONSIDERATIONS
For optimum EMI performance, the power supply should be mounted to a metal plate grounded to all 4 mounting holes of the power supply. To comply
with safety standards, this plate must be properly grounded to protective earth (see mechanical dimension notes). Pre-compliance testing has shown the
stand-alone power supply to comply with EN55022 class A radiated emissions. Class B radiated emissions are achievable with a metal enclosure. Radiated emission results vary with system enclosure and cable routing paths.
STATUS AND CONTROL SIGNALS – MVAC250-xxAFD ONLY
Parameter Conditions
PS_ON
This signal must be sinked low (>2mA) to +5V_AUX_RTN to turn on the main and Fan (V2) output. The +5V_AUX output is on when AC is applied.
PWR_OK
Open collector logic goes high 50-200 msec after main output is in regulation; it goes low at least 6 msec before loss of regulation. Internal 10K pull up to +5V_AUX is
provided. Applications using PWR_OK signal should maintain a minimum load of 5W on the main or fan output.
1. Noise and ripple is measured at an oscilloscope jack on the output, 20MHz bandwidth, and with
0.1µF ceramic and 10µF aluminum electrolytic capacitors across the output pins.
2. Unless otherwise specified all measurements are taken at 120Vac input and 25°C ambient
temperature.
3. Fan (V2) regulation band applies from 0.1A to 1A load with a minimum of 10W load on the main
(V1) output.
4. Fan (V2) has overvoltage protection (tracking V1) and short circuit protection. Overloading the Fan
(V2) output can result in permanent damage to the unit.
5. 24V and 50V models may exhibit up to 5% turn on overshoot for loads less than 4% of full load.
6. See current sharing option section for droop characteristics.
7. No load Input power varies by model and by input line. Measurement is difficult to make due to burst
mode operation. Please contact Murata sales if additional information is required.
8. All three output returns are isolated from each other (see isolation characteristics section); the returns
may be tied together externally.
9. Load steps beginning from combined loads on the main and fan outputs of less than 5W may
result in transient undershoots outside of the spec limits.
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MVAC250.A03 Page 3 of 8
MVAC250 Series
250W High Density AC-DC Power Supply
PERFORMANCE DATA
MVAC250-24F Efficiency
95
95
93
93
91
90 Vin
89
115 Vin
230 Vin
87
Efficiency %
Efficiency %
MVAC250-12F Efficiency
91
90 Vin
89
115 Vin
85
85
83
83
81
230 Vin
87
81
0
10
20
30
40
50
60
70
80
90
100
0
10
Load %
20
30
40
50
60
70
80
90
100
Load %
Inrush Current
MVAC250-48F Efficiency
95
Efficiency %
93
91
90 Vin
89
115 Vin
230 Vin
87
85
83
81
0
10
20
30
40
50
60
70
80
90
100
Load %
Time: 100 mSec/Div, Ch1: 500 V/Div, Ch4: 20 A/Div, Vin: 264 VAC, Ipk = 15.1 A
AC applied at peak of sine wave
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MVAC250.A03 Page 4 of 8
MVAC250 Series
250W High Density AC-DC Power Supply
THERMAL CONSIDERATIONS
System thermal management is critical to the performance and reliability of the MVAC series power supplies. Performance derating curves are provided
which can be used as a guideline for what can be achieved in a system configuration with controlled airflow at various input voltage conditions.
The air flow curves are generated using an AMCA 210-99 and ASHRAE 51-1999 compliant wind tunnel with heated inlet air and a controlled CFM
providing a duct test section having a calculated average LFM. A correlation between the test setup and the actual system environment is paramount to
understanding what can be achieved in an actual system. In a power supply of this density, cooling air moving both through the unit as well as around the
unit strongly influences local temperatures. The wind tunnel test setup was constructed to produce a flow with a slight back pressure to induce both flow
conditions by providing a small gap between the power supply and duct walls of 0.5" (13mm). The optimal and characterized airflow direction is from the
input connector to the output connector (see diagram below). The P-Q flow curve for this test setup is also shown below.
P-Q CURVE, DUCTED FLOW
13mm [0.5in] all sides
Air Flow
0.0100
*
Ambient Temperature
Measurement
Static Pressure (in. w.g.)
Power Supply
0.0075
0.0050
0.0025
0.0000
Output Connector
Input Connector
64mm [2.5in]
0
2.5
5
7.5
10
12.5
15
17.5
20
22.5
AIRFLOW-(CFM @ 0.075 lbs/cu ft air density)
The natural convection data is obtained from a horizontally mounted power supply with un-obstructed flow at room temperature. At elevated temperature
the power supply data is taken while it is surrounded by a large vented enclosure to minimize forced cross flows inherent in the elevated temperature test
system.
Power RaƟng at 120Vac
Nat Conv
250LFM
10
20
30
40
50
60
Output Power (WaƩs)
Output Power (WaƩs)
Power RaƟng at 230Vac
275
250
225
200
175
150
125
100
75
50
275
250
225
200
175
150
125
100
75
50
70
Nat Conv
250LFM
10
Ambient Temperature (Degrees C)
20
275
250
225
200
175
150
125
100
75
50
Nat Conv
250LFM
20
30
40
50
60
Ambient Temperature (Degrees C)
40
50
60
70
Power RaƟng at 90Vac
70
Output Power (WaƩs)
Output Power (WaƩs)
Power RaƟng at 100Vac
10
30
Ambient Temperature (Degrees C)
275
250
225
200
175
150
125
100
75
50
Nat Conv
250LFM
10
20
30
40
50
60
70
Ambient Temperature (Degrees C)
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MVAC250.A03 Page 5 of 8
MVAC250 Series
250W High Density AC-DC Power Supply
WIRING DIAGRAM FOR OUTPUT
Dotted lines show optional remote sense connections.
Optional remote sense lines can be attached to a load that is a distance
away from the power supply to improve regulation at the load.
+Remote Sense
J3 pin 5
J2 pins 1-6
MVAC250-xxAFD
MVAC250-xxAF
+DC out
MVAC250-xxF
J3 pin 5
J2 pins 1-6
+DC out
12V load
J2 pins 7-12
2K49
+Remote Sense
12V load
DC out return
J3 pin 6
-Remote Sense
J3 pin 1
+5V_AUX
J3 pin 4
PS_ON
J2 pins 7-12
DC out return
J3 pin 6
-Remote Sense
J3 pin 7
+12V_Fan
10K0
10
100
CTR~100
+5V logic circuitry
+5V_AUX
1N0
10K0
5
2
>2mA
100
J3 pin 2
PWR_OK
6
74LVC2G07
J3 pin 8
+5V_AUX_RTN
J3 pin 7
+12V_Fan
FET, BJT, wire
or switch (debounced )
to turn on +DC out
and +12V_fan
Fan or
other load
J3 pin 3
Fan or
other load
+12V_FAN_RTN
J3 pin 3
+12V_FAN_RTN
APPLICATION NOTE
Document Number
Description
Link
ACAN-42 MVAC Series
External ORing FET Reference Circuit
www.murata-ps.com/data/apnotes/acan-42.pdf
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MVAC250.A03 Page 6 of 8
MVAC250 Series
250W High Density AC-DC Power Supply
MECHANICAL DIMENSIONS – MVAC250-xxF ONLY
127.00 ±0.25
5.000 ±0.010
6.35 ±0.13
0.250 ±0.005
6.35 ±0.13
0.250 ±0.005
A ±0.13
±.005
MTG4
MTG1
TB1
J1
PIN 1
76.20 ±0.25
3.000 ±0.010
B ±0.13
±.005
MOUNTING SLOTS
WIDTH 3.96 ±0.13
0.156 ±0.005
MAX SCREW HEAD
DIAMETER
7.40
MTG1-4
MOUNTING GRIDS
4.50 x 2.50
4.55 x 2.55
A
114.30 [4.500]
115.57 [4.550]
B
63.50 [2.500]
64.77 [2.550]
J2
PIN 2
REMOVED
J1
PIN 3
J2
PIN12
J2
PIN 1
J3
PIN 1
J3
PIN 8
MTG2
PRIMARY
HEATSINK
NOTE 3
MTG3
!
30.0 ±0.25
1.181 ±0.010
6
5
4
3
2
1
12
11
10
9
8
7
1-6
7-12
+DC_OUT
+DC_OUT_RTN
1
3
5
7
1
2
3
4
5
6
7
8
DO NOT USE
DO NOT USE
+12V_FAN_RTN
DO NOT USE
+REMOTE_SENSE
-REMOTE_SENSE
+12V_FAN
DO NOT USE
J3
2
4
6
8
ALL DIMENSIONS ARE IN MM [IN].
5.56 ±0.13
0.219 ±0.005
SAFETY CONSIDERATION NOTES:
1.
Protective bonding conductor from the end product protective earthing terminal must be tied to TB1. For optimum EMI performance, 4 mounting holes
must be tied to the end product protective earthing terminal.
2.
This power supply requires mounting on standoffs minimum 6mm in height. If there is risk of chassis deformation or shorter standoff height is
required, an appropriate insulator must be used under the power supply with adequate extension beyond the outline of the power supply. In all cases,
the applicable safety standards must be applied to ensure proper creepage and clearance requirements are met.
3.
The primary heatsink is considered a live primary circuit, and should not be touched. Also, the primary and secondary heatsinks must be separated
with reinforced insulation. It is recommended that the primary heatsink be kept at least 3.5mm from chassis and 7mm from secondary circuits. In all
cases, the applicable safety standards must be applied to ensure proper creepage and clearance requirements are met.
4.
This product is subject to the following operating requirements and the Life and Safety Critical Application Sales Policy: Refer to:
http://www.murata-ps.com/requirements/
Dimensions: 3.0" x 5.0" x 1.4" (76.2mm x 127mm x 35.6mm)
INPUT/OUTPUT CONNECTOR AND SIGNAL SPECIFICATION AND MATING CONNECTORS – MVAC250-xxF ONLY
Connector
Input Connector J1 :
Molex 26-62-4030
Output Connector J2 :
Molex 39-28-1123
Output Connector J3:
Molex 90130-1108
PIN
1
3
1,2,3,4,5,6
7,8,9,10,11,12
1
2
3
4
5
6
7
8
Description
AC Neutral
AC Line
+DC_OUT
+DC_OUT_RTN
DO NOT USE
DO NOT USE
+12V_FAN_RTN
DO NOT USE
+ Remote Sense
- Remote Sense
+12V_FAN
DO NOT USE
Mating Housing
Crimp terminal/pins
Molex 0009930300
Molex 0008500105 (18-24 AWG)
Molex 0008500107 (22-26 AWG)
Molex 0039012125
Molex 0039000038
Molex 0901420008
Molex 0901190109
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MVAC250.A03 Page 7 of 8
MVAC250 Series
250W High Density AC-DC Power Supply
MECHANICAL DIMENSIONS – MVAC250-xxAF AND MVAC250-xxAFD MODELS
127.00±0.25
5.000±.010
6.50±0.13
.256±.005
6.35±0.13
.250±.005
114.30±0.13
4.500±.005
MTG1
MOUNTING HOLES
3.96±0.13
.156±.005
MAX SCREW HEAD
DIAMETER 7.40
MTG4
J2
76.20±0.25
3.000±.010
TB1
J1
PIN 1
PIN 2
REMOVED
63.50±0.13
J1
PIN 3
2.500±.005
J2
PIN12
J2
PIN1
J3
PIN 1
J3
PIN 8
MTG2
PRIMARY
HEATSINK
NOTE 3 !
MTG3
30.0±0.25
1.181±.010
5.56±0.13
.219±.005
6
5
4
3
2
1
12
11
10
9
8
7
1-6
7-12
1
3
5
7
1
2
3
4
5
6
7
8
+DC_OUT
+DC_OUT_RTN
J3
2
4
6
8
+5V_AUX
PWR_OK
+12V_FAN_RTN
PS_ON
+REMOTE SENSE
-REMOTE SENSE
+12V_FAN
+5V_AUX_RTN
ALL DIMENSIONS ARE IN MM [IN]. TOLERANCE IS ±0.65MM [0.025IN]
SAFETY CONSIDERATION NOTES:
1.
Protective bonding conductor from the end product protective earthing terminal must be tied to TB1. For optimum EMI performance, 4 mounting holes
must be tied to the end product protective earthing terminal.
2.
This power supply requires mounting on standoffs minimum 6mm in height. If there is risk of chassis deformation or shorter standoff height is
required, an appropriate insulator must be used under the power supply with adequate extension beyond the outline of the power supply. In all cases,
the applicable safety standards must be applied to ensure proper creepage and clearance requirements are met.
3.
The primary heatsink is considered a live primary circuit, and should not be touched. Also, the primary and secondary heatsinks must be separated
with reinforced insulation. It is recommended that the primary heatsink be kept at least 3.5mm from chassis and 7mm from secondary circuits. In all
cases, the applicable safety standards must be applied to ensure proper creepage and clearance requirements are met.
4.
This product is subject to the following operating requirements and the Life and Safety Critical Application Sales Policy: Refer to:
http://www.murata-ps.com/requirements/
Dimensions: 3.0" x 5.0" x 1.4" (76.2mm x 127mm x 35.6mm)
INPUT/OUTPUT CONNECTOR AND SIGNAL SPECIFICATION AND MATING CONNECTORS – MVAC250-xxAF AND MVAC250-xxAFD MODELS
Connector
Input Connector J1 :
Molex 26-62-4030
Output Connector J2 :
Molex 39-28-1123
Output Connector J3:
Molex 90130-1108
PIN
1
3
1,2,3,4,5,6
7,8,9,10,11,12
1
2
3
4
5
6
7
8
Description
AC Neutral
AC Line
+DC_OUT
+DC_OUT_RTN
+5V_AUX
PWR_OK
+12V_FAN_RTN
PS_ON
+ Remote Sense
- Remote Sense
+12V_FAN
+5V_AUX_RTN
Murata Power Solutions, Inc.
11 Cabot Boulevard, Mansfield, MA 02048-1151 U.S.A.
ISO 9001 and 14001 REGISTERED
Mating Housing
Molex 0009930300
Crimp terminal/pins
Molex 0008500105 (18-24 AWG)
Molex 0008500107 (22-26 AWG)
Molex 0039012125
Molex 0039000038
Molex 0901420008
Molex 0901190109
This product is subject to the following operating requirements
and the Life and Safety Critical Application Sales Policy:
Refer to: http://www.murata-ps.com/requirements/
Murata Power Solutions, Inc. makes no representation that the use of its products in the circuits described herein, or the use of other
technical information contained herein, will not infringe upon existing or future patent rights. The descriptions contained herein do not imply
the granting of licenses to make, use, or sell equipment constructed in accordance therewith. Specifications are subject to change without
notice.
© 2013 Murata Power Solutions, Inc.
www.murata-ps.com/support
MVAC250.A03 Page 8 of 8
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