Characteristic

Symbol

FR251

FR252

FR253

FR254

FR255

FR256

FR257

Unit

FR251 – FR257

2.5A FAST RECOVERY DIODE

Features

!

Diffused Junction

!

Low Forward Voltage Drop

!

High Current Capability

A

B

A

!

High Reliability

!

High Surge Current Capability

Mechanical Data

C

!

Case: DO-15, Molded Plastic

D

!

Terminals: Plated Leads Solderable per

MIL-STD-202, Method 208

!

Polarity: Cathode Band

!

Weight: 0.40 grams (approx.)

!

Mounting Position: Any

!

Marking: Type Number

!

Lead Free: For RoHS / Lead Free Version

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

For capacitive load, derate current by 20%.

Peak Repetitive Reverse Voltage

Working Peak Reverse Voltage

DC Blocking Voltage

50

100

200

400

600

800

1000

V

RMS Reverse Voltage

35

70

140

280

420

560

700

V

Average Rectified Output Current

(Note 1)

2.5

A

Non-Repetitive Peak Forward Surge Current

8.3ms Single half sine-wave superimposed on

rated load (JEDEC Method)

60

A

Forward Voltage

1.3

V

Peak Reverse Current

At Rated DC Blocking Voltage

5.0

100

µA

Reverse Recovery Time (Note 2)

150

250

500

nS

Typical Junction Capacitance (Note 3)

30

pF

Operating Temperature Range

-65 to +150

°C

Storage Temperature Range

-65 to +150

°C

Note: 1. Leads maintained at ambient temperature at a distance of 9.5mm from the case

2. Measured with IF = 0.5A, IR = 1.0A, IRR = 0.25A. See figure 5.

3. Measured at 1.0 MHz and applied reverse voltage of 4.0V D.C.

1 of 2

FR251 – FR257

Z ibo Seno Electronic Engineering Co., Ltd.

www.senocn.com

DO-15

Dim

Min

Max

A

24.5

—

B

5.50

7.62

C

0.60

0.80

D

2.60

3.60

All Dimensions in mm

Alldatasheet