WTE MT25, MT35 Technical data
WTE
POWER SEM ICOND UCTOR S
MT25, 35 SERIES
25, 35A THREE PHASE BRIDGE RECTIFIER
Features
!
Glass Passivated Die Construction
!
Low Forward Voltage Drop
!
High Current Capability D
!
High Reliability
!
High Surge Current Capability H
!
Ideal for Printed Circuit Boards
!
UL Recognized File # E157705 E A
Mechanical Data
!
Case: Epoxy Case with Heat Sink Internally
G
~ - ~
~ +
Mounted in the Bridge Encapsulati on
!
Terminals: Plated Leads Solderable per
C
MIL-STD-202, Method 208 B
!
Polarity: As Marked on Body
!
Weight: 20 grams (approx.)
!
Mounting Position: Bolt Down on Heatsink
Metal Heat Sink
With Silicone Thermal Compound Between
Bridge and Mounting Surface for Maximum
Heat Transfer Efficiency
!
Mounting Torque: 20 in. lbs Max.
!
Marking: Type Number
MT
Dim Min Max
A
28.40 28.70
B
10.97 11.23
C
22.86 23.86
D
E
G
H
All Dimensions in mm
— 25.30
16.00 Typical
6.35 x 0.80
5.10 Ø 5.30 Ø
Maximum Ratings and Electrical Characteristics
Single Phase, half wave, 60Hz, resistive or inductive load.
For capacitive load, derate current by 20%.
Voltage Ratings
Characteristics Symbol -00 -01 -02 -04 -06 -08 -10 -12 -14 -16 Unit
RRM
Peak Repetitive Reverse Voltage
Working Peak Reverse Voltage
DC Blocking Voltage
Peak Non-Repetitive Reverse Voltage V
RMS Reverse Voltage V
V
RWM
V
R
V
RSM
R(RMS)
50 100 200 400 600 800 1000 1200 1400 1600 V
75 150 275 500 725 900 1100 1300 1500 1700 V
35 70 140 280 420 560 700 840 980 1120 V
Forward Conduction
Characteristic Symbol
Average Rectified Output Current
MT25 @T
Non-Repetitive Peak Forward Surge Current
(No Voltage Reapplied t = 8.3ms at 60Hz)
(No Voltage Reapplied t = 10ms at 50Hz)
(100% V
(100% V
= 70°C, MT35 @ TC = 60°C
C
RRM
Reapplied t = 8.3ms at 60Hz)
RRM
Reapplied t = 8.3ms at 50Hz)
I
O
I
FSM
@TA=25°C unless otherwise specified
MT25 MT35
25 35 A
375
360
314
300
500
475
420
400
Unit
A
MT25, 35 SERIES 1 of 6 © 2002 Won-Top Electronics
I2t Rating for Fusing
(No-Voltage Reapplied t = 8.3ms at 60Hz)
(No-Voltage Reapplied t = 10ms at 50Hz)
(100% V
(100% V
RRM
Reapplied t = 8.3ms at 60Hz)
RRM
Reapplied t = 10ms at 50Hz)
2
t
I
580
635
410
450
1030
1130
730
800
A2s
Forward Voltage (per element)
j
@T
= 25°C, @IFM = 40Apk per single junction
Peak Reverse Current (per leg) @Tj = 25°C
At Rated DC Blocking Voltage @T
j
= 125°C
RMS Isolation Voltage from Case to Lead V
Thermal Characteristics
Operating Temperature Range T
Storage Temperat ure Range T
Thermal Resistance Junction to Case at
DC Operation per Bridge
Thermal Resistance Case to Heatsink
Mounting Surface, Smooth, Flat and Greased
R
R
V
R
I
ISO
STG
F
1.26 1.19 V
10
5.0
mA
µA
2500 V
j
-40 to +150 °C
-40 to +150 °C
JC
CS
1.42 1.16 K/W
0.2 K/W
MT25, 35 SERIES 2 of 6 © 2002 Won-Top Electronics
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