IN4937
IN4937 is FAST SWITCHING PLASTIC RECTIFIER manufactured by PanJit Semiconductor.
FEATURES l l High surge current capability Plastic package has Underwriters Laboratory Flammability Classification 94V-O Utilizing Flame Retardant Epoxy Molding pound l l l l Void-free Plastic in a DO-41 package 1.0 ampere operation at TA=55 ¢J with no thermal runaway Fast switching for high efficiency Exceeds environmental standards of MIL-S-19500/228 DO-41
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MECHANICAL DATA Case: Molded plastic, DO-41 Terminals: Axial leads, solderable per MIL-STD-202, Method 208 Polarity: Band denotes cathode Mounting Position: Any Weight: 0.012 ounce, 0.3 gram MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS 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 TA=55 ¢J 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 TJ=25 ¢J at Rated DC Blocking Voltage TJ=100 ¢J Typical Junction capacitance (Note 1) CJ Maximum Reverse Recovery Time(Note 2) Typical Thermal Resistance (Note 3) R £K JA Storage and Operating Temperature Range NOTES: 1N4933 50 35 50 1N4934 100 70 100 1N4935 200 140 200 1.0 30 1.2 5.0 500 12 200 41 -55 to +150 1N4936 400 280 400 1N4937 600 420 600 UNITS V V V A A V £g A £g A PF ns ¢J /W ¢J
1. Measured at 1 MHz and applied reverse voltage of 4.0 VDC 2. Reverse Recovery Test Conditions: IF=.5A, IR=1A, Irr=.25A 3. Thermal resistance from junction to ambient and from junction to lead at 0.375"(9.5mm) lead length P.C.B. mounted
RATING AND CHARACTERISTIC CURVES 1N4933 THRU 1N4937 trr
+0.5A 0 -0.25
NOTE:1.Rise Time = 7ns max. Input Impedance = 1 megohm. 22p F 2.Rise Time = 10ns max.
-1.0
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Source Impedance = 50 Ohms
SET TIME BASE FOR 50 ns/cm
1cm
Fig. 1-REVERSE RECOVERY TIME CHARACTERISTIC...