LL4148 SHUNYE | Alldatasheet
Document overview
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Technical content
: MINI MELF glass sealed envelope. Terminals : Plated axial leads, solderable per MIL-STD-750, Method 2026 Polarity : Color band denotes cathode end Mounting Position : Any Weight :0.002 ounce, 0.05 grams
FEATURES
Silicon epitaxial planar diode Fast switching diodes 500mw power dissipation High temperature soldering guaranteed
250 C/10S at terminals
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS 100 VOLTS VOLTS SYMBOLS UNITS mAmps mAmps Volts V RRM V RMS I (AV) I FSM V F 150 500 1.0 Operating junction and storage temperature range NOTES: 1.Test condition:I F =10mA,I R =10mA,I rr =1mA,V R =6V,R L =100 W 2.Measured at 1.0 MHz and applied reverse voltage of 4.0 volts Maximum repetitive peak reverse voltage Maximum RMS voltage Maximum average forward rectified current 0.375 (9.5mm) lead length at T A =75 C Peak forward surge current 8.3ms single half sine-wave superimposed on rated load (JEDEC Method) Maximum instantaneous forward voltage at 10mA Maximum DC reverse current T A =25 C V R =75V at rated DC blocking voltage T A =100 C V R =20V I R 5.0 C J T J T STG 4.0 -65 to +200 pF C A u Typical junction capacitance (NOTE 2) Maximum reverse recovery time (NOTE 1) t rr 4.0 ns LL4148/MM4148 Ratings at 25 C ambient temperature unless otherwise specified. Single phase half-wave 60Hz,resistive or inductive load,for capacitive load current derate by 20%. Dimensions in inches and (millimeters) 0.146(3.7) 0.130(3.3) 0.063(1.6) 0.055(1.4) 0.020(0.5) 0.012(0.3) 0.020(0.5) 0.012(0.3) MINI MELF DIA. SMALL SIGNAL SWITCHING DIODE LL4148/MM4148 www.shunyegroup.com.cn V2.22
FIG. 1-ADMISSIBLE POWER DISSIPATION VERSUS AMBIENT TEMPERATURE FIG. 2-REVERSE CURRENT VERSUS CONTINUOUS REVERSE VOLTAGE (TYPICAL VALUES) 800 700 600 500 400 300 200 100 0 100 200 C 0.1 0.01 0.001 0.0001 40 60 80 100 120 TJ=25 C P,POWER DISSIPATION,MILLIWATTS AMBIENT TEMPERATURE, C PERCENT OF PEAK REVERSE VOLTAGE,% INSTANTANEOUS REVERSE CURRENT, MICROAMPERES FIG. 3-FORWARD CHARACTERISTICS FIG. 4-RELATIVE CAPACTANCE VERSUS REVERSE VOLTAGE 0 1 2V 1.2 1.0 0.8 0.6 0.4 0 5 10V INSTANTANEOUS FORWARD CURRENT,MILLIAMPERES INSTANTANEOUS FORWARD VOLEAGE, V0LTS RELATIVE CAPACTANCE C tot( v R C tot( v REVERSE VOLTAGE,VOLTS. FIG. 5-ADMISSIBLE REPETITIVE PEAK FORWARD CURRENT VERSUS PULSE DURATION 100 0.1 0.01 1 1000ms 100 0.1 V=tp/T T=1/fp I FRM tp T n=tp/T I FRM, PEAK FORWARD CURRENT,AMPERES tp,PULSE DURATION,ms n=0 0.1 0.2 0.5 LL4148/MM4148 www.shunyegroup.com.cn V2.22