US1AF THRU US1MF

SURFACE MOUNT ULTRA FAST RECTIFIER

Reverse Voltage - 50 to 1000 Volts

Forward Current - 1.0 Ampere

FEATURES

MECHANICAL DATA

2.Measured at 1MHz and applied reverse voltage of 4.0V D.C.

3.P.C.B. mounted with 0.2x0.2

”(5.0x5.0mm) copper pad areas

MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS

VOLTS

VOLTS

VOLTS

SYMBOLS

UNITS

Amp

Amps

Volts

1.0

30.0

1.4

Operating junction and storage temperature range

Maximum repetitive peak reverse voltage

Maximum RMS voltage

Maximum DC blocking voltage

Maximum average forward rectified current

Peak forward surge current

8.3ms single half sine-wave superimposed on

rated load (JEDEC Method)

Maximum instantaneous forward voltage at 1.0A

Maximum DC reverse current

at rated DC blocking voltage

5.0

50.0

R

50.0

15.0

-50 to +150

pF

C

A

µ

Typical thermal resistance (NOTE 3)

C/W

Typical junction capacitance (NOTE 2)

Maximum reverse recovery time

(NOTE 1)

50

75

ns

US1AF US1BF US1DF US1GF US1JF US1KF US1MF

Ratings at 25 C ambient temperature unless otherwise specified.

Single phase half-wave 60Hz,resistive or inductive load,for capacitive load current derate by 20%.

50

35

50

100

70

100

200

140

200

400

280

400

600

420

600

800

560

800

1000

700

1000

1.0

1.7

MDD Catalog Number

Dimensions in inches and (millimeters)

SMAF

Cathode Band

Top View

0.128(3.25)

0.144(3.65)

0.189(4.80)

0.173(4.40)

0.110(2.80)

0.094(2.40)

0.051(1.30)

0.059(1.50)

0.055(1.40)

0.043(1.10)

0.012(0.30)

0.006(0.15)

0.047(1.20)

0.028(0.70)

Glass passivated chip junction

The plastic package carries Underwriters Laboratory

Flammability Classification 94V-0

For surface mounted applications

Ultra fast switching for high efficiency

Low reverse leakage

Built-in strain relief,ideal for automated placement

High forward surge current capability

High temperature soldering guaranteed

260 C/10 seconds at terminals

Case

Terminals: Solder plated, solderable per MIL-STD-750,

Method 2026

Polarity: Color band denotes cathode end

Mounting Position: Any

Weight:0.0018 ounce, 0.064 grams

: JEDEC SMAF molded plastic body over passivated chip

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