Diodes 1N4933 - 1N4937 User Manual

Features, Mechanical data, Maximum ratings and electrical characteristics

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DS26002 Rev. 7 - 2

1 of 2

www.diodes.com

1N4933-1N4937

© Diodes Incorporated

1N4933 - 1N4937

1.0A FAST RECOVERY RECTIFIER

Features

• Diffused

Junction

•

Fast Switching for High Efficiency

•

High Current Capability and Low Forward Voltage Drop

•

Surge Overload Rating to 30A Peak

•

Low Reverse Leakage Current

•

Lead Free Finish, RoHS Compliant (Note 4)


Mechanical Data

• Case:

DO-41

•

Case Material: Molded Plastic. UL Flammability Classification Rating
94V-0

•

Moisture Sensitivity: Level 1 per J-STD-020D

•

Terminals: Finish - Bright Tin. Plated Leads Solderable per MIL-
STD-202, Method 208

•

Polarity: Cathode Band

•

Mounting Position: Any

•

Ordering Information: See Page 2

•

Marking: Type Number

•

0.35 grams (approximate)

Dim

DO-41 Plastic

Min

Max

A

25.40

⎯

B

4.06

5.21

C

0.71

0.864

D

2.00

2.72

All Dimensions in mm

Maximum Ratings and Electrical Characteristics

@T

A

= 25°C unless otherwise specified

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

Characteristic

Symbol

1N4933

1N4934

1N4935

1N4936

1N4937

Unit

Peak Repetitive Reverse Voltage
Working Peak Reverse Voltage
DC Blocking Voltage (Note 5)

V

RRM

V

RWM

V

R

50

100

200

400

600

V

RMS Reverse Voltage

V

R(RMS)

35

70

140

280

420

V

Average Rectified Output Current (Note 1) @ T

A

= 75

°C

I

O

1.0

A

Non-Repetitive Peak Forward Surge Current 8.3ms
Single Half Sine-Wave Superimposed on Rated Load

I

FSM

30

A

Forward Voltage Drop @ I

F

= 1.0A

V

FM

1.2

V

Peak Reverse Current @T

A

= 25

°C

at Rated DC Blocking Voltage (Note 5) @ T

A

= 100

°C

I

RM

5.0

100

μA

Reverse Recovery Time (Note 3)

t

rr

200

ns

Typical Total Capacitance (Note 2)

C

T

15

pF

Typical Thermal Resistance Junction to Ambient

R

θJA

100

°C/W

Operating and Storage Temperature Range

T

J,

T

STG

-65 to +150

°C

Notes:

1. Leads maintained at ambient temperature at a distance of 9.5mm from the case.
2. Measured at 1.0MHz and applied reverse voltage of 4.0V DC.
3. Measured with I

F

= 0.5A, I

R

= 1A, I

rr

= 0.25A.

4. EU Directive 2002/95/EC (RoHS). All applicable RoHS exemptions applied, see EU Directive 2002/95/EC Annex Notes.
5. Short duration pulse test used to minimize self-heating effect.




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