FR251 THRU FR257

Features

Mechanical Data

· Fast switching

· Low leakage

· Low forward voltage drop

· High current capability

· High current surge

· High reliability

Maximum Ratings And Electrical Characteristics

· Case : JEDEC DO-201AD molded plastic body

· Terminals : Plated axial lead solderable per MIL-STD-750,

method 2026

· Polarity : Color band denotes cathode end

· Mounting Position : Any

· Weight : 0.041 ounce, 1.18 gram

(Ratings at 25℃ ambient temperature unless otherwise specified, Single phase, half wave 60Hz, resistive or inductive

load. For capacitive load, derate by 20%)

CURRENT 2.5 Amperes

VOLTAGE 50 to 1000 Volts

Notes:

(2) Measured at 1MHz and applied reverse voltage of 4.0 Volts.

Maximum recurrent peak reverse voltage

Maximum RMS voltage

Maximum DC blocking voltage

Volts

Peak forward surge current 8.3ms single

half sine-wave superimposed on rated load

(JEDEC) method

Maximum average forward rectified current

Maximum instantaneous forward voltage

at 2.5A

Volts

Symbols

Units

1.3

2.5

Amps

Amps

-65 to +150

℃

Volts

Maximum DC reverse current at rated DC

blocking voltage

Maximum reverse recovery time (Note 1)

Typical junction capacitance (Note 2)

Operating junction and storage

temperature range

50

FR

251

35

50

5.0

250

Volts

μA

ns

pF

Trr

60

100

FR

252

70

100

200

FR

253

140

200

400

FR

254

280

400

600

FR

255

420

600

800

FR

256

560

800

1000

FR

257

700

1000

Maximum full load reverse current full cycle

average. 0.375"(9.5mm) lead length at

500

150

150

100

Dimensions in inches and (millimeters)

DO-201AD

1.0(25.4)

MIN.

1.0(25.4)

MIN.

0.375(9.5)

0.285(7.2)

0.042(1.1)

0.037(0.9)

DIA.

0.210(5.3)

0.188(4.8)

DIA.