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RURD460, RURD460S
Data Sheet January 2000 File Number 3140.4
4A, 600V Ultrafast Diodes
The RURD460, and RURD460S are ultrafast diodes with soft recovery characteristics (trr < 55ns). They have low forward voltage drop and are silicon nitride passivated ionimplanted epitaxial planar construction. These devices are intended for use as freewheeling/ clamping diodes and rectifiers in a variety of switching power supplies and other power switching applications. Their low stored charge and ultrafast soft recovery minimize ringing and electrical noise in many power switching circuits reducing power loss in the switching transistors. Formerly developmental type TA49035.
Features
* Ultrafast with Soft Recovery . . . . . . . . . . . . . . . . . . . <55ns * Operating Temperature. . . . . . . . . . . . . . . . . . . . . . .175oC * Reverse Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . .600V * Avalanche Energy Rated * Planar Construction
Applications
* Switching Power Supplies * Power Switching Circuits * General Purpose
Ordering Information
PART NUMBER RURD460 RURD460S PACKAGE TO-251 TO-252 BRAND RUR460 RUR460
Packaging
JEDEC STYLE TO-251
ANODE CATHODE
NOTE: When ordering, use the entire part number. Add suffix 9A to obtain the TO-252 variant in tape and reel, i.e., RURD460S9A.
Symbol
K
CATHODE (FLANGE)
JEDEC STYLE TO-252
A
CATHODE ANODE
CATHODE (FLANGE)
Absolute Maximum Ratings
TC = 25oC, Unless Otherwise Specified RURD460 RURD460S UNITS V V V A A A W mJ oC
oC oC
Peak Repetitive Reverse Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . VRRM Working Peak Reverse Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . VRWM DC Blocking Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . VR Average Rectified Forward Current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .IF(AV) (TC = 160oC) Repetitive Peak Surge Current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . IFRM (Square Wave, 20kHz) Nonrepetitive Peak Surge Current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . IFSM (Halfwave, 1 phase, 60Hz) Maximum Power Dissipation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . PD Avalanche Energy (See Figures 9 and 10) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . EAVL Operating and Storage Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . TSTG, TJ Maximum Lead Temperature for Soldering Leads at 0.063 in. (1.6mm) from case for 10s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . TL Package Body for 10s, see Tech Brief 334. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .TPKG
600 600 600 4 8 40 50 10 -65 to 175 300 260
1
1-888-INTERSIL or 321-724-7143 | Copyright
(c) Intersil Corporation 2000
RURD460, RURD460S
Electrical Specifications
SYMBOL VF IF = 4A IF = 4A, TC = 150oC IR VR = 600V VR = 600V, TC = 150oC trr IF = 1A, dIF/dt = 100A/s IF = 4A, dIF/dt = 100A/s ta tb QRR CJ RJC DEFINITIONS VF = Instantaneous forward voltage (pw = 300s, D = 2%). IR = Instantaneous reverse current. trr = Reverse recovery time (See Figure 8), summation of ta + tb. ta = Time to reach peak reverse current (See Figure 8). tb = Time from peak IRM to projected zero crossing of IRM based on a straight line from peak IRM through 25% of IRM (See Figure 8). QRR = Reverse recovery time. CJ = Junction capacitance. RJC = Thermal resistance junction to case. pw = Pulse width. D = Duty cycle. IF = 4A, dIF/dt = 100A/s IF = 4A, dIF/dt = 100A/s IF = 4A, dIF/dt = 100A/s VR = 10V, IF = 0A TC = 25oC, Unless Otherwise Specified TEST CONDITION MIN TYP 32 15 50 15 MAX 1.5 1.2 100 500 55 60 3 UNITS V V A A ns ns ns ns nC pF
oC/W
Typical Performance Curves
20 IR , REVERSE CURRENT (A) IF, FORWARD CURRENT (A) 500 175oC 10 175oC 100
10
100oC
100oC
1
25oC 1
0.1 25oC 0.01 0 100 200 300 400 500 600
0.5
0
0.5
1
1.5
2
2.5
VF, FORWARD VOLTAGE (V)
VR , REVERSE VOLTAGE (V)
FIGURE 1. FORWARD CURRENT vs FORWARD VOLTAGE
FIGURE 2. REVERSE CURRENT vs REVERSE VOLTAGE
2
Typical Performance Curves
50
(Continued)
40
trr
30
ta
20
tb
0 0.5
1 IF, FORWARD CURRENT (A)
4
FIGURE 3. trr, ta AND tb CURVES vs FORWARD CURRENT
FIGURE 4. trr, ta AND tb CURVES vs FORWARD CURRENT
FIGURE 5. trr, ta AND tb CURVES vs FORWARD CURRENT
FIGURE 6. CURRENT DERATING CURVE
3

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