1N4938

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1N4938

1N4938

DO-35
Color Band Denotes Cathode

Small Signal Diode Absolute Maximum Ratings
Symbol VRRM IF(AV) IFSM
TA 25 C unless otherwise noted

Parameter Maximum Repetitive Reverse Voltage Average Rectified Forward Current Non-repetitive Peak Forward Surge Current Pulse Width 1.0 second Pulse Width 1.0 microsecond Storage Temperature Range Operating Junction Temperature

Value 200 500 1.0 4.0 -65 to 200 175

Units V mA A A C C

TSTG TJ

These ratings are limiting values above which the serviceability of the diode may be impaired. NOTES: 1) These ratings are based on a maximum junction temperature of 200 degrees C. 2) These are steady limits. The factory should be consulted on applications involving pulsed or low duty cycle operations.

Thermal Characteristics
Symbol PD RJA Parameter Power Dissipation Thermal Resistance, Junction to Ambient Value 500 300 Units mW C/W

Electrical Characteristics
Symbol VR VF IR CT trr

TA 25 C unless otherwise noted

Parameter Breakdown Voltage Forward Voltage Reverse Leakage Total Capacitance Reverse Recovery Time

Test Conditions IR 100 A IF 100mA VR 75V VR 175V, TA 175 C VR 0V, f 1MHz IF 3mA, IR 30mA Irr 1mA, RL 100

Min. 200

Max. 1.0 100 100 5 50

Units V V nA A pF ns

2004 Fairchild Semiconductor Corporation

1N4938, Rev. A1

1N4938 Datasheet Fairchild Download PDF

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1N4938 DATASHEET