1N4942thru1N4948 Datasheet

Glass Passivated Junction Fast Switching Rectifier


Features, Applications

Glass Passivated Junction Fast Switching Rectifier

High temperature metallurgically bonded construction Hermetically sealed package Cavity-free glass passivated junction 1.0 ampere operation at TA=55�C with no thermal runaway Typical IR less than 0.1�A Capable of meeting environmental standards of MIL-S-19500 Fast switching for high efficiency High temperature soldering guaranteed: 350�C/10 seconds, 0.375" (9.5mm) lead length, 5 lbs. (2.3kg) tension

Case: JEDEC DO-204AP Solid glass body Terminals: Solder plated axial leads, solderable per MIL-STD-750, Method 2026 Polarity: Color band denotes cathode end Mounting Position: Any Weight: 0.02 oz., 0.56 g

Maximum Ratings & Thermal Characteristics Ratings at 25�C ambient temperature unless otherwise specified.

Parameter * Maximum repetitive peak reverse voltage Maximum RMS voltage * Maximum DC blocking voltage * Maximum average forward rectified current 0.375" (9.5mm) lead length 55�C * Peak forward surge current 8.3ms single half sine-wave superimposed on rated load (JEDEC Method) Typical thermal resistance

Ratings at 25�C ambient temperature unless otherwise specified.

* Minimum reverse breakdown voltage 50�A * Max. instantaneous forward voltage �40�C * Maximum DC reverse current at Rated DC blocking voltage = 175�C

* Max. reverse recovery time IR=1.0A, Irr=25A Typical junction capacitance 4.0V, 1MHz

Notes: (1) Thermal resistance from junction to ambient 0.375" (9.5mm) lead length, P.C.B. mounted *JEDEC registered values

Ratings and Characteristic Curves (TA = 25�C unless otherwise noted)
Fig. 1 � Maximum Forward Current Derating Curve
Fig. 2 � Maximum Non-Repetitive Peak Forward Surge Current
= TJ max. 8.3ms Single Half Sine-Wave (JEDEC Method) 20



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