1N4944 Pan Jit International Inc., 1N4944 Datasheet

1N4944

Manufacturer Part Number

1N4944

Description

FAST SWITCHING PLASTIC RECTIFIER(VOLTAGE - 200 to 1000 Volts CURRENT - 1.0 Ampere)

Manufacturer

Pan Jit International Inc.

Datasheet

1.1N4944.pdf (2 pages)

Available stocks

Company

Part Number

Manufacturer

Quantity

Price

Company:

Meier Automation Equipment Co., Limited

Part Number:

1N4944

Manufacturer:

LRC/乐山

Quantity:

20 000

Company:

Meier Automation Equipment Co., Limited

Part Number:

1N4944G

Manufacturer:

LRC/乐山

Quantity:

20 000

Current page: 1 of 2
Download datasheet (56Kb)

FEATURES

MECHANICAL DATA

Case: Molded plastic, DO-41

Terminals: Axial leads, solderable per MIL-STD-202,

Polarity: Band denotes cathode

Mounting Position: Any

Weight: 0.012 ounce, 0.3 gram

Ratings at 25 ¢J ambient temperature unless otherwise specified.

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

For capacitive load, derate current by 20%.

Maximum Recurrent Peak Reverse Voltage

Maximum RMS Voltage

Maximum DC Blocking Voltage

Maximum Average Forward Rectified

Current .375"(9.5mm) lead length at T

Peak Forward Surge Current 8.3ms single half sine

wave superimposed on rated load(JECEC method)

Maximum Forward Voltage at 1.0A

Maximum Reverse Current T

at Rated DC Blocking Voltage T

Typical Junction capacitance (Note 1)

Maximum Reverse Recovery Time(Note 2)

Typical Thermal Resistance (Note 3) R £KJA

Operating and Storage Temperature Range

NOTES:

1. Measured at 1 MHz and applied reverse voltage of 4.0 VDC

2. Reverse Recovery Test Conditions: I

3. Thermal resistance from junction to ambient and from junction to lead at 0.375"(9.5mm) lead length P.C.B.

Flammability Classification 94V-O Utilizing

Flame Retardant Epoxy Molding Compound

mounted

High surge current capability

Plastic package has Underwriters Laboratory

Void-free Plastic in a DO-41 package

1.0 ampere operation at T

Fast switching for high efficiency

Exceeds environmental standards of MIL-S-19500/228

Method 208

VOLTAGE - 200 to 1000 Volts CURRENT - 1.0 Ampere

MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS

=25 ¢J

=55 ¢J with no thermal runaway

FAST SWITCHING PLASTIC RECTIFIER

=100 ¢J

1N4942 THRU 1N4948

=55 ¢J

=.5A, I

=1A, I

1N4942

200

140

200

150

=.25A

1N4944

400

280

400

150

-55 to +150

1N4946

600

420

600

500

250

1.0

1.3

5.0

DO-41

1N4947

800

560

800

250

1N4948

1000

700

250

UNITS

¢J /W

£g A

¢J

Related parts for 1N4944

1N4944 Summary of contents

Page 1

... Operating and Storage Temperature Range NOTES: 1. Measured at 1 MHz and applied reverse voltage of 4.0 VDC 2. Reverse Recovery Test Conditions Thermal resistance from junction to ambient and from junction to lead at 0.375"(9.5mm) lead length P.C.B. mounted 1N4942 THRU 1N4948 1N4942 1N4944 200 400 140 280 200 400 =55 ¢J ...

Page 2

RATING AND CHARACTERISTIC CURVES 1N4942 THRU 1N4948 NOTE:1.Rise Time = 7ns max. Fig. 1-REVERSE RECOVERY TIME CHARACTERISTIC AND TEST CIRCUIT DIAGRAM ¢J 0.1 PULSE WIDTH = 300 £ DUTY CYCLE 0.01 0.2 0.4 ...

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