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Maximum Ratings & Thermal Characteristics Ratings at 25°C ambient temperature unless otherwise specified.
Symbols GUR440 GUR460 Units
Maximum repetitive peak reverse voltage VRRM 400 600 V
Working peak reverse voltage VRWM 400 600 V
Maximum DC blocking voltage VDC 400 600 V
Maximum average forward rectified current at TA= 40°C IF(AV) 4.0 A
See figure 1
Peak forward surge current 8.3 ms single half sine-wave
superimposed on rated load (JEDEC Method) IFSM 150 A
Typical thermal resistance junction to ambient (NOTE 2) RΘJA 28 °C/W
Operating junction and storage temperature range TJ, TSTG -65 to +175°C °C
Peak non-repetitive reverse avalanche energy at
IR=1.0A, TJ=25°C (unclamped inductive load) ERSM 25 mJ
Electrical Characteristics Ratings at 25°C ambient temperature unless otherwise specified.
Symbols GUR440 GUR460 Units
Maximum instantaneous at 3.0A, TJ=150°C 1.05
forward voltage (NOTE 1) at 3.0A, TJ=25°C VF1.25 V
at 4.0A, TJ=25°C 1.28
Maximum instantaneous reverse current TJ=25°C IR10 µA
at rated DC blocking voltage (NOTE 1) TJ=150°C 250
Maximum reverse recovery time at IF=0.5A, IR=1.0A, Irr=0.25A
trr 45 ns
Maximum reverse recovery time
at
trr 60 ns
I
F
=1.0A, di/dt=50A/µs, V
R
=30V, I
rr
=10% I
RM
Maximum forward recovery time
(IF=1.0A, di/dt=100A/µs, Rec. to 1.0V) tfr 50 ns
NOTES:
(1) Pulse test: tp=300µs, duty cycle ≤2%
(2) Lead length = 1/2” on P.C. board with 1/2” x1/2” copper surface 1/17/00
Dimensions in inches and (millimeters)
GUR440 and GUR460
Ultrafast Plastic Rectifier
Reverse Voltage 400 to 600V
Forward Current 4.0A
Features
• Plastic package has Underwriters Laboratories
Flammability Classification 94V-0
• Ideally suited for use in very high frequency switching
power supplies, inverters and as free wheeling diodes
• Ultrafast recovery time for high efficiency
• Excellent high temperature switching
• Glass passivated junction
• High temperature soldering guaranteed:
250°C/10 seconds, 0.375" (9.5mm) lead length,
5 lbs. (2.3kg) tension
Mechanical Data
Case: JEDEC DO-201AD molded plastic body over
passivated chip
Terminals: Plated axial leads, solderable per
MIL-STD-750, Method 2026
Polarity: Color band denotes cathode end
Mounting Position: Any
Weight: 0.045 ounce, 1.2 grams
0.210 (5.3)
0.190 (4.8)
DIA.
0.052 (1.32)
0.048 (1.22)
DIA.
1.0 (25.4)
MIN.
0.375 (9.5)
0.285 (7.2)
1.0 (25.4)
MIN.
DO-201AD
0.001
0.01
0.1
1
10
100
1000
0% 20% 40% 60% 80% 100%
0
25
50
75
100
125
150
110
100
0.01
0.1
1
10
100
0 0.4 0.8 1.2 1.6 2
10.0
100.0
1000.0
0.1 1 10 100
Figure 1 – Forward Current
Derating Curve
Ambient Temperature, °C
Figure 2 – Maximum Non-Repetive Peak
Forward Surge Current
Number of Cycles at 60 Hz
Figure 3 – Typical Instantaneous
Forward Characteristics
Reverse Voltage, Volts
Figure 4 – Typical Reverse
Characteristics
Instantaneous Forward Voltatge, Volts
Instantaneous Forward Current,
Amperes
Tj = 175°C
Tj = 100°C
Tj = 25°C
Junction Capacitance, pF
Peak Forward Surge Current,
Amperes
Instantaneoous Reverse Current,
Millamperes
Percent of Rated Peak Reverse Voltage, %
Average Forward Rectified Current
Amperes
Figure 5 – Typical Junction
Capacitance per Leg
Tj = 25°C
f = 1.0MHz
Vsig = 50mVp-p
0
2.0
4.0
6.0
0 50 100 150 200
Tj = 100°C
Tj = 25°C
Tj = 175°C
PCB with 1.5" x 1.5"
copper pads
L = 1/2"
GUR440 and GUR460
Ratings & Characteristic Curves
