Power Diodes
Ultra-Fast Recovery
Page <1> 24/05/12 V1.1
Axial
Dimensions : Millimetres
Features:
•1 ampere operation at TA= 55°C with no thermal runaway
•Glass passivated chip junction
•Low cost, fast efficient plastic rectifiers
•Ultrafast recovery time for high efficiency
•Low forward voltage
•Low leakage current
•High surge current capability
Mechanical Data:
Case : JEDEC DO-41 moulded plastic body over
passivated chip
Terminals : Plated axial leads, solderable per MIL-STD-
750, Method 2026
Mounting position : Any
Polarity : Colour band denotes cathode end
High temperature : 250°C / 10 seconds / 0.375 inches, (9.5 mm)
lead lengths at soldering guaranteed 5lbs,
(2.3 kg) tension
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%
Type Number UF4001 UF4002 UF4003 UF4004 UF4005 UF4006 UF4007 Unit
Maximum Recurrent Peak Reverse Voltage 50 100 200 400 600 800 1,000
VMaximum RMS Voltage 35 70 140 280 420 560 700
Maximum DC Blocking Voltage 50 100 200 400 600 800 1,000
Maximum Average Forward Rectified Current 0.375
inches (9.5 mm) Lead Length at TA= 55°C 1
A
Peak Forward Surge Current, 8.3 ms Single Half
Sinewave Superimposed on Rated Load
(JEDEC method)
30
Maximum Instantaneous Forward Voltage at 1 A 1 1.7 V
Maximum DC Reverse Current at TA= 25°C
at Rated DC Blocking Voltage at TA= 125°C
10
50 µA
Maximum Reverse Recovery Time (Note 1) 50 75 -
Typical Junction Capacitance (Note 2) 17 -
Typical Thermal Resistance (Note 3) RθJA
RθJL
60
15 °C / W
Operating/Storage Temperature Range TJ,TSTG -65 to +150 °C
DO-41
Power Diodes
Ultra-Fast Recovery
Page <2> 24/05/12 V1.1
Notes:
1. Reverse recovery test conditions : IF= 0.5 A, IR= 1 A, IRR = 0.25 A
2. Measured at 1 MHz and applied reverse voltage of 4 V dc
3. Thermal resistance from junction to ambient and from junction to lead length 0.375 inches (9.5 mm), PCB mounted
Ratings and Characteristic Curves
Figure - 1 Maximum Forward Current Derating Curve Figure - 2 Maximum Non-Repetitive Peak Forward Surge Current
Average Forward Rectified Current (A)
Ambient Temperature (°C)
Peak Forward Surge Current (A)
Number of Cycles at 60 Hz
Figure - 3 Typical Reverse Characteristics
Instantaneous Reverse Current Micro (A)
Percent of Rated Peak Reverse Voltage (%)
Figure - 4 Typical Instantaneous Forward Characteristics
Instantaneous Forward Current (A)
Instaneous Forward Voltage (V)
Power Diodes
Ultra-Fast Recovery
Page <3> 24/05/12 V1.1
Figure - 5 Typical Junction Capacitance
Junction Capacitance (PF)
Reverse Voltage (V)
Specification Table
If (av)
(A)
trr
(nS)
Ifsm
(A)
Vf
maximum
(V)
Length Diameter Package Part Number
1 50
30
1
5.2 2.7 DO -41
UF4001
UF4002
UF4003
UF4004
1 75 1.7
UF4005
UF4006
UF4007
Dimensions : Millimetres
Ratings and Characteristic Curves
