1N4942 THRU 1N4948

FAST SWITCHING

PLASTIC RECTIFIER

VOLTAGE:50 TO 1000V

CURRENT: 1.0A

FEATURE

DO-41\DO-204AL

Molded case feature for auto insertion

High current capability

Low leakage current

High surge capability

High temperature soldering guaranteed

250

°C/10sec/0.375”lead length at 5 lbs tension

Fast switching for high efficiency

MECHANICAL DATA

Terminal:Plated axial leads solderable per

MIL-STD 202E, method 208C

Case:Molded with UL-94 Class V-0 recognized Flame

Retardant Epoxy

Polarity:color band denotes cathode

Mounting position:any

Dimensions in inches and (millimeters)

MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS

(single-phase, half -wave, 60HZ, resistive or inductive load rating at 25

°C, unless otherwise stated)

SYMBOL

1N

4942

1N

4944

1N

4946

1N

4947

1N

4948

units

Maximum Recurrent Peak Reverse Voltage

Vrrm

200

400

600

800

1000

V

Maximum RMS Voltage

Vrms

140

280

420

560

700

V

Maximum DC blocking Voltage

Vdc

200

400

600

800

1000

V

Maximum Average Forward Rectified

Current 3/8”lead length at Ta =75

°C

If(av)

1.0

A

Peak Forward Surge Current 8.3ms single

Half sine-wave superimposed on rated load

Ifsm

25.0

A

Maximum Forward Voltage at rated Forward

Current and 25

°C

Vf

1.3

V

*

Maximum DC Reverse Current

Ta =25

°C

at rated DC blocking voltage

Ir

5.0

µA

Maximum Reverse Recovery Time

(Note 1)

Trr

150

250

500

nS

Typical Junction Capacitance

(Note 2)

Cj

15.0

pF

Typical Thermal Resistance

(Note 3)

R(ja)

50.0

°C/W

Storage and Operating Junction Temperature

Tstg,Tj

-50 to +150

°C

Note:

1. Reverse Recovery Condition If =0.5A, Ir =1.0A, Irr =0.25A

2. Measured at 1.0 MHz and applied reverse voltage of 4.0Vdc

3. Thermal Resistance from Junction to Ambient at 0.375”lead length, P.C. Board Mounted

1

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