RS2508 M
SINGLE-PHASE GLASS PASSIVATED
SILICON BRIDGE RECTIFIER
VOLTAGE RANGE 1200 Volts CURRENT 25 Amperes
FEATURES
*
*
*
*
*
*
Low leakage
Low forward voltage
Mounting position: Any
Surge overload rating: 300 amperes peak
Ideal for printed cikcuit boakds
High forward surge current capability
RS-25M
MECHANICAL DATA
.189 ( 4.8 )
.173 ( 4.4 )
.087 (2.2 )
.071 (1.8 )
f.138 ( 3.5 )
.126 ( 3.2 )
.441 (11.2 )
.425 (10.8 )
.197 ( 5 )
.165 (4.2 )
.150 (3.8 )
.106 (2.7 )
.096 (2.3 )
.800 (20.3 )
.775 (19.7 )
.150 ( 3.8 )
.134 ( 3.4 )
1.193 ( 30.3 )
1.169 ( 29.7 )
.708 (18.0 )
.669 (17.0 )
* Epoxy: Device has UL flammability classification 94V-O
* UL list the recognized component directory, file #E94233
.114 (2.9 )
.098 (2.5 )
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25 o C ambient temperature unless otherwise specified.
Single phase, half wave, 60 Hz, resistive or inductive load.
.031 (0.8 )
.023 (0.6 )
.043 (1.1 )
.035 (0.9 )
.402 (10.2 ) .303 (7.7 ) .303 (7.7 )
.386 (9.8 ) .287 (7.3 ) .287 (7.3 )
Dimensions in inches and (millimeters)
MAXIMUM RATINGS•(@
• TA=25 OC unless otherwise noted)
SYMBOL
RS2508M
Maximum Recurrent Peak Reverse Voltage
VRRM
1200
Volts
Maximum RMS Voltage
VRMS
840
Volts
VDC
1200
Volts
IO
25
4.3
Amps
I FSM
300
Amps
RATINGS
Maximum DC Blocking Voltage
Maximum Average Forward Rectified
Current at T C=55 OC
with heatsink
without heatsink
Peak Forward Surge Current 8.3 ms single half sine-wave
superimposed on rated load (JEDEC method)
UNITS
I t
2
373.3
A S
Viso
3000
Volts
Typical Thermal Resistance (Note 1)
R 1J C
1.0
0
C/W
Typical Thermal Resistance (Note 1)
R 1J A
22
0
C/W
TJ
150
0
C
T STG
-55 to + 150
0
C
Typical Current Squared Time
Insulation voltage
Operating Temperature Range
Storage Temperature Range
2
ELECTRICAL CHARACTERISTICS•(@T
• A=25 OC unless otherwise noted)
CHARACTERISTICS
Maximum Forward Voltage at 12.5A DC
SYMBOL
RS2508M
VF
1.05
Volts
IR
0.5
200
uAmps
uAmps
o
Maximum DC Average Reverse Current at @T A = 25 C
o
Rated DC Blocking Voltage
@T A = 125 C
NOTES : 1. Thermal resistance : Heat-sink case mounted.
2 . “Fully ROHS compliant”, “100% Sn plating (Pb-free)”.
UNITS
2017-11
REV:O
30
20
60
10
50
POWER DISSIPATION, (W)
INSTANTANEOUS FORWARD CURRENT, (A)
RATING AND CHARACTERISTICS CURVES (RS2508 M )
5
TC= 25 OC
2
1
0.5
0.2
0
Pulse test
per one diode
0.2
0.4
0.6
0.8
1
1.2
1.4
40
30
20
10
0
1.6
sine wave
T J = 150 OC
0
INSTANTANEOUS FORWARD VOLTAGE, (V)
4
8.3ms
200
1 cycle
non-repetitive
Tj=25
20
24
100
1
5
2
10
20
50
4
P.C.B
2
1
100
on glass-epoxi substrate
3
soldering land 5mmf
sine wave
R-load
free in air
80
40
0
120
160
AMBIENT TEMPERATURE, (OC)
NUMBER OF CYCLE
FIG 4 TYPICAL FORWARD CURRENT
DERATING CURVE
FIG 3 SURGE FORWARD CURRENT CAPABILITY
25
1.2
heatsink
Tc
Tc
THERMAL RESISTANCE (OC/W)
AVERAGE FORWARD CURRENT, (A)
16
FIG.2 POWER DISSIPATION
AVERAGE FORWARD CURRENT, (A)
sine wave
0
20
15
sine wave
R-load
on heatsink
10
5
0
10
12
5
300
IFSM
PEAK FO RWARD SURGE CURRENT, (A)
FIG.1 MAXIMUM INSTANTANEOUS FORWARD
CHARACTERITICS
0
8
AVERAGE RECTIFIED FORWARD CURRENT, (A)
30
50
70
90
110
130
150
HEAT SINK TEMPERATURE, (OC)
FIG 5 TYPICAL FORWARD CURRENT
DERATING CURVE
170
with thermal compound
1.0
0.8
0.6
0.4
0.2
0
2
3
4
5
6
7
MOUNTING TORQUE (kg.cm)
FIG 6 CONTACT THERMAL RESISTANCE fcf
8
Marking Description
Rectron Logo
UL Logo
RS250XM
V Y WW
Year – code:
(Y:Last digit of year)
Week – code:
(WW:01~52)
Part No.
Voltage-code
8-------1200V
PACKAGING OF DIODE AND BRIDGE RECTIFIERS
BULK PACK
PACKAGE
PACKING CODE
RS-25M
-B
EA PER BOX
300
INNER BOX SIZE
CARTON SIZE
(mm)
(mm)
EA PER CARTON
GROSS
WEIGHT(Kg)
230*190*46
410*243*157
1,800
13.37
EA PER CARTON
WEIGHT(Kg)
1,200
13.12
TUBE PACK
PACKAGE
PACKING CODE
EA PER BOX
INNER BOX SIZE
CARTON SIZE
(mm)
(mm)
RS-25M
-C
600
490*135*110
510*293*131
DISCLAIMER NOTICE
Rectron Inc reserves the right to make changes without notice to any product
specification herein, to make corrections, modifications, enhancements or other
changes. Rectron Inc or anyone on its behalf assumes no responsibility or liability for any errors or inaccuracies. Data sheet specifications and its information
contained are intended to provide a product description only. "Typical" parameters which may be included on RECTRON data sheets and/ or specifications can and do vary in different applications and actual performance may vary over time. Rectron Inc does not assume any liability arising out of the application or
use of any product or circuit.
Rectron products are not designed, intended or authorized for use in medical,
life-saving implant or other applications intended for life-sustaining or other related applications where a failure or malfunction of component or circuitry may directly or indirectly cause injury or threaten a life without expressed written approval of Rectron Inc. Customers using or selling Rectron components for use in
such applications do so at their own risk and shall agree to fully indemnify Rectron Inc and its subsidiaries harmless against all claims, damages and expenditures.
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