1.Feature & Dimensions

* Plastic package has Underwriters Laboratory

Flammability Classification 94V-0

* High temperature metallurgically bonded construction

* Diffused junction

* Capable of meeting environmental standards of MIL-S-19500

* 1.0 A operation at TA=55°C with no thermal runaway

* For use in high frequency rectifier circuits

* Fast switching for high efficiency

* Typical IR less than 1.0µA

* High temperature soldering guaranteed:

260°C/10 seconds

* 0.375" (9.5mm) lead length, 5 lbs. (2.3kg) tension

2.Mechanical Data

Case

: JEDEC DO-41, molded plastic body

Terminals

: Plated axial leads, solderable per

MIL-STD-750, Method 2026

Polarity

: Color band denotes cathode end

Mounting Position

: Any

Weight

: 0.012 oz., 0.34 g

Handling precautin

:None

3.Electrical Characteristic

Parameter Symbol

symbol

1N

4933

1N

4934

1N

4935

1N

4936

1N

4937

Unit

Maximum repetitive peak reverse voltage

50

100

200

400

600

V

Maximum RMS voltage

35

70

140

280

420

V

Maximum DC blocking voltage

50

100

200

400

600

V

Maximum average forward rectified current

IF(AV)

A

Peak forward surge current 8.3ms single half

sine-wave superimposed on rated load (JEDEC

Method)

A

Maximum full load reverse current, full cycle

C

IR(AV)

µA

Typical thermal resistance (Note 2)

RθJA

°C/W

Operating junction and storage temperature range TJ, TSTG

°C

Parameter Symbol

symbol

1N

4933

1N

4934

1N

4935

1N

4936

1N

4937

Unit

Maximum instantaneous forward voltage at 1.0A

V

Maximum DC reverse current TA = 25°C

at rated DC blocking voltage TA = 100°C

IR

µA

Typical reverse recovery time (Note 1)

trr

ns

Typical junction capacitance at 4.0V, 1MHz

CJ

PF

NOTES:

1. IF = 0.5A, IR = 1.0A, IRR = 0.25A

2. Thermal resistance from junction to ambient at 0.375” (9.5mm) lead length, P.C.B. mounted

100

55

1.0

1N4933 thru 1N4937

30

–50 to +150

1.2

5.0

200

150

15

Reverse Voltage 50 to 600V

Forward Current 1.0A

Fast Recovery Rectifiers

We declare that the material of product

compliance with RoHS requirements.

LESHAN RADIO COMPANY, LTD.

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