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UF1A THRU UF1M

1.0 AMP. Glass Passivated Ultrafast Plastic Rectifiers

Voltage Range

50 to 1000 Volts

Current

1.0 Ampere

Features

Plastic package has Underwriters Laboratory

Flammability Classification 94V-O

Ideally suited for use in very high frequency

switching power supplies, inverters and as free

wheeling diodes

Glass passivated chip junction

Excellent high temperature switching

Ultrafast recovery time for high efficiency

Soft recovery characteristics

High temperature soldering guaranteed:

260

lengths at 5 lbs., (2.3kg) tension

Mechanical Data

Case: JEDEC DO-204AL 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: 0.012 ounce, 0.34 gram

DO-204AL (DO-41)

Dimensions in inches and (millimeters)

Maximum Ratings and Electrical Characteristics

Rating at 25

℃ambient temperature unless otherwise specified.

Single phase, half wave, 60 Hz, resistive or inductive load.

For capacitive load, derate current by 20%

Type Number

Maximum Recurrent Peak Reverse Voltage

50

100

200

400

600

800 1000

V

Maximum RMS Voltage

35

70

140

280

420

560

700

V

Maximum DC Blocking Voltage

50

100

200

400

600

800 1000

V

Maximum Average Forward Rectified

Current .375 (9.5mm) Lead Length

℃

1.0

A

Peak Forward Surge Current, 8.3 ms Single

Half Sine-wave Superimposed on Rated

Load (JEDEC method )

30

A

Maximum Instantaneous Forward Voltage

@ 1.0A

1.0

1.7

V

℃

℃

10.0

50.0

uA

uA

Maximum Reverse Recovery Time ( Note 1 )

Trr

50

75

nS

Typical Junction Capacitance

( Note 2 )

Cj

17.0

pF

Typical Thermal Resistance (Note 3)

R

R

60.0

15.0

℃/W

Operating/Storage Temperature Range

-55 to + 150

℃

2. Measured at 1 MHz and Applied Reverse Voltage of 4.0 V D.C.

3. Thermal Resistance from junction to ambient and from Junction to Lead length .375”(9.5mm),

Mounted on 0.2” x0.2” (5mm x 5mm) Cu pads.