LESHAN RADIO COMPANY, LTD.
UF5400 thru UF5408
1.FEATURES
* Plastic package has Underwriters Laboratory
Flammability Classification 94V-0
* High temperature metallurgically
bonded construction
* Diffused junction
* Capable of meeting environmental standards
of MIL-S-19500
* For use in high frequency rectifier circuits
* Ultrafast recovery time for high efficiency
* High temperature soldering guaranteed:
260°C/10 seconds
* 0.375" (9.5mm) lead length, 5 lbs. (2.3kg) tension
Ultrafast Rectifiers
Reverse Voltage 50 to 1000V
Forward Current 3.0A
2.Mechanical Data
Case:
JEDEC DO-201AD, molded plastic body
Terminals:
Plated axial leads, solderable per
MIL-STD-750, Method 2026
Polarity:
Color band denotes cathode end
Mounting Position:
Any
Weight:
0.038 oz., 1.03 g
Handling precautin:None
We declare that the material of product
compliance with RoHS requirements.
3.Electrical Characteristic
Maximum Ratings & Thermal Characteristics Ratings
at 25°C ambient temperature unless otherwise specified.
Parameter Symbol
Maximum repetitive peak reverse voltage
Maximum RMS voltage
Maximum DC blocking voltage
Maximum average forward rectified current
0.375" (9.5mm) lead length at T
A
= 55°C
Peak forward surge current 8.3ms single half
sine-wave superimposed on rated load (JEDEC
Method)
Typical thermal resistance (Note 2)
Maximum DC blocking voltage temperature
Operating junction temperature range
Storage temperature range
symbol
V
RRM
V
RMS
V
DC
I
F(AV)
I
FSM
RθJ
A
T
A
T
J
T
STG
UF54 UF54 UF54 UF54 UF54 UF54 UF54 UF54 UF54
Unit
00
01
02
03
04
05
06
07
08
50
35
50
100
70
100
200
140
200
300
210
300
400
280
400
3.0
150
20
150
–50 to +150
–50 to +150
500
350
500
600
420
600
800 1000
560
700
800 1000
V
V
V
A
A
°C/W
°C
°C
°C
Electrical Characteristics Ratings
at 25°C ambient temperature unless otherwise specified.
Parameter Symbol
Maximum instantaneous forward voltage at 3.0A
Maximum DC reverse current TA = 25°C
at rated DC blocking voltage TA = 100°C
Typical reverse recovery time (Note 1)
Typical junction capacitance at 4.0V, 1MHz
symbol
V
F
IR
trr
CJ
50
45
UF54 UF54 UF54 UF54 UF54 UF54 UF54 UF54 UF54
00
01
02
03
04
05
06
07
08
1.30
1.70
1.00
10
200
75
36
Unit
V
µA
ns
PF
NOTES:
1. IF = 0.5A, IR = 1.0A, IRR = 0.25A
2. Thermal resistance from junction to ambient at 0.375” (9.5mm) lead length, P.C.B. mounted
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LESHAN RADIO COMPANY, LTD.
4.Ratings and Characteristic Curves
( TA = 25°C unless otherwise noted )
Fig. 1
–
Forward Current Derating Curve
Average Forward Rectified Current (A)
TA=Ambient Temperature
0.375"(9.5mm)Lead Lengh
Fig. 2
–
Maximum Non-repetitive Peak
Forward Surge Current
Average Forward Rectified Current (A)
TJ = 75°C
8.3ms Single Half Sine-wave
(JEDEC Method)
3.0
200
1.5
60 Hz Resistive or Inductive load
TL=Lead Temperature with both leads heat
sink mounted with length(L) as shown
100
0
0
25
50 75 100 125 150 175
Ambient Temperature, °C
0
1
10
Number of Cycles at 60Hz
100
Instantaneous Forward Current (A)
Instantaneous Reverse Current (µA)
100
Fig 3.
–
Typical Instantaneous Forward
Characteristics
Fig 4.
–
Typical Reverse Characteristics
100
10
10
Tj=125℃
1.0
1.0
Tj=25℃
0.1
TJ = 25°C
Pulse width = 300µs
1% Duty Cycle
0.1
0.01
0.6
0.8
1.0
1.2
1.4
1.6
Instantaneous Forward Voltage (V)
Fig 5.
–typical
transient thermal
impedance
Junction Capacitance (pF)
0.01
0
20
40
60
80
100
Percent of Rated Peak Reverse Voltage (%)
Fig 6.
–
Typical Junction Capacitance
Transient thermal impedance(°C/W)
100
100
10
10
1.0
TJ = 25°C
f = 1.0 MHz
Vsig = 50mVp-p
0.1
0.01
0.1
1.0
10
t,Pulse duration,sec
100
1.0
0.1
1
10
Reverse Voltage (V)
100
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