RU1 - RU1B
FAST RECOVERY
RECTIFIER DIODES
PRV : 400 - 800 Volts
Io : 0.25 Ampere
FEATURES :
* High current capability
* High surge current capability
* High reliability
* Low reverse current
* Low forward voltage drop
* Fast switching for high efficiency
MECHANICAL DATA :
* Case : D2 Molded plastic
* Epoxy : UL94V-O rate flame retardant
* Lead : Axial lead solderable per MIL-STD-202,
Method 208 guaranteed
* Polarity : Color band denotes cathode end
* Mounting position : Any
* Weight : 0.465 gram
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Rating at 25
°
C ambient temperature unless otherwise specified.
Single phase, half wave, 60 Hz, resistive or inductive load.
For capacitive load, derate current by 20%.
SYMBOL RU1 RU1A RU1B UNIT
Maximum Peak Reverse Voltage VRM 400 600 800 V
Maximum Peak Reverse Surge Voltage VRSM 450 650 850 V
Maximum Average Forward Current Ta = 50 °CIF(AV) 0.25 A
Maximum Peak Forward Surge Current
( 50 Hz, Half-cycle, Sine wave, Single Shot ) IFSM 15 A
Maximum Forward Voltage at IF = 0.25 A VF2.5 V
Maximum Reverse Current at VR = VRM Ta = 25 °CIR10 µA
Maximum Reverse Current at VR = VRM Ta = 100 °CIR(H) 200 µA
Maximum Reverse Recovery Time (Note 1) Trr 400 ns
Junction Temperature Range TJ - 40 to + 130 °C
Storage Temperature Range TSTG - 40 to + 130 °C
Notes :
( 1 ) Reverse Recovery Test Conditions : IF = 10 mA, IRP = 10 mA.
Page 1 of 2 Rev. 02 : March 25, 2005
RATING
D2
1.00 (25.4)
MIN.
0.161 (4.1)
0.154 (3.9)
0.284 (7.2)
0.268 (6.8)
0.034 (0.86)
0.028 (0.71)
1.00 (25.4)
MIN.
Dimensions in inches and ( millimeters )
* Pb / RoHS Free
RATING AND CHARACTERISTIC CURVES ( RU1 - RU1B )
FIG.1 - REVERSE RECOVERY TIME CHARACTERISTIC AND TEST CIRCUIT DIAGRAM
FIG.2 - DERATING CURVE FOR OUTPUT FIG.3 - MAXIMUM NON-REPETITIVE PEAK
RECTIFIED CURRENT FORWARD SURGE CURRENT
0 25 50 75 100 125 150 175
1
2 4 6 10 20 40 60 100
AMBIENT TEMPERATURE, ( °C) NUMBER OF CYCLES AT 50Hz
FIG.4 - TYPICAL FORWARD CHARACTERISTICS FIG.5 - TYPICAL REVERSE CHARACTERISTICS
0.5 0.6 0.7 0.8 0.9 1.0 1.1 1.2 1.3 1.4 1.5
Page 2 of 2 Rev. 02 : March 25, 2005
Ta = 25 °C
0.20
0.15
0.10
0.05
0.25
10
20
0
25
1.0
0.1
PEAK FORWARD SURGE
CURRENT, AMPERES
AVERAGE FORWARD OUTPUT
CURRENT, AMPERES
FORWARD CURRENT, AMPERES
10
0.01
0 80 100 14020 40 60 120
PERCENT OF RATED REVERSE
VOLTAGE, (%)
REVERSE CURRENT, MICROAMPERES
TJ = 25 °C
TJ = 100 °C
20µS
200µS
FORWARD VOLTAGE, VOLTS
0.01
10 mA
IF
10 mA
IRP
100
Ω
NOTE : IF = IRP = 10 mA TO 1 mA Trr
0.1 IRP
specimen
100 µF