1.FEATURES

* Plastic package has Underwriters Laboratory

Flammability Classification 94V-0

* High temperature metallurgically

bonded construction

* For use in high frequency rectifier circuits

* Fast switching for high efficiency

* Cavity-free glass passivated junction

* Capable of meeting environmental standards

of MIL-S-19500

* 1.0 A operation at TA=75°C with no thermal runaway

* Typical IR less than 1.0µA

* High temperature soldering guaranteed:

260°C/10 seconds

2.Mechanical Data

Case: JEDEC DO-214AC, molded plastic over glass die

Terminals: Plated axial leads, solderable per

MIL-STD-750, Method 2026

Polarity: Color band denotes cathode end

Mounting Position: Any

Weight: 0.0026 oz., 0.075 g

Handling precautin:None

3.Electrical Characteristic

Parameter Symbol

symbol

FM

4933

FM

4934

FM

4935

FM

4936

FM

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

Typical thermal resistance (Note 2)

RθJA

°C/W

Operating junction and storage temperature range

TJ, TSTG

°C

Parameter Symbol

symbol

FM

4933

FM

4934

FM

4935

FM

4936

FM

4937

Unit

Maximum instantaneous forward voltage at 1.0A

V

Maximum DC reverse current TA = 25°C

at rated DC blocking voltage TA = 125°C

IR

µA

Typical reverse recovery time (Note 1)

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

FM4933 thru FM4937

1.0

30

55

–50 to +150

1.2

5.0

100

150

15.0

Reverse Voltage 50 to 600V

Forward Current 1.0A

Surface Mount Glass Passivated

Fast Recovery Rectifiers

We declare that the material of product

compliance with RoHS requirements.

LESHAN RADIO COMPANY, LTD.

1/3