RL251 CHENDA | Alldatasheet
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Technical content
GENERAL PURPOSE SILICON RECTIFIER Reverse Voltage - 50 to 1000 Volts Forward Current -
2.5 Amperes
Case: JEDEC R-3 molded plastic body Terminals: Plated axial leads, solderable per MIL-STD-750, Method 2026 Polarity: Color band denotes cathode end Mounting Position: Any Weight:0.012 ounce, 0.58 grams The plastic package carries Underwriters Laboratory Flammability Classification 94V-0 Construction utilizes void-free molded plastic technique Low reverse leakage High forward surge current capability High temperature soldering guaranteed: 250 C/10 seconds,0.375”(9.5mm) lead length, 5 lbs. (2.3kg) tension
FEATURES
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS R-3 Dimensions in inches and (millimeters) 100 100 200 140 200 400 280 400 600 420 600 800 560 800 1000 700 1000 RL 251 VOLTS VOLTS VOLTS SYMBOLS UNITS Amps Amps Volts VRRM VRMS VDC I(AV) IFSM VF 2.5 150.0 1.1 Operating junction and storage temperature range Maximum repetitive peak reverse voltage Maximum RMS voltage Maximum DC blocking voltage Maximum average forward rectified current 0.375”(9.5mm) lead length at TA=75 C Peak forward surge current 8.3ms single half sine-wave superimposed on rated load (JEDEC Method) Maximum instantaneous forward voltage at 2.5A Maximum DC reverse current TA=25 C at rated DC blocking voltage TA=100 C Typical junction capacitance (NOTE 1) Note:1.Measured at 1MHz and applied reverse voltage of 4.0V D.C. IR 5.0 50.0 RθJA CJ TJ,TSTG 35.0 35.0 -50 to +150 pF C Aµ Typical thermal resistance (NOTE 2) C/W RL 252 RL 254 RL 253 RL 255 RL 257 RL 256 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%. MDD Catalog Number Min.1.0 ( 25.4 ) 0.160(4.1) 0.040(1.0) 0.042(1.1) φ0.160( 4.1 ) φ0.138 ( 3.5 ) 0.138(3.5) Min.1.0 ( 25.4 )
RATINGS AND CHARACTERISTIC CURVES RL251 THRU RL257 INSTANTANEOUS FORWARD VOLTAGE / VOLTS Tj = 25 Pulse Width = 300 S 4.0 1.0 INSTANTANEOUS FORWARD CURRENT / FIG. 1 -- TYPICAL FORWARD CHARACTERISTIC 1.0 1.20.8 AMPERES 0.1 0.4 0.04 0.6 125 Single Phase Half Wave 60HZ 100 125 15075 AMBIENT TEMPERATURE / 0.04 0.125 50 2.0 AVERAGE FORWARD RECTIFIED CURRENT AMPERES 200 175 Resistive or Inductive Load FIG. 3 -- FORWARD CURRENT DERATING CURVE 0.1 1 10 100 200 TJ=25 f=1.0MHZ Vsig=50mVp-p 0.01 PEAK FORWARD SURGE CURRENT AMPERES FIG. 2 -- PEAK FORWARD SURGE CURRENT 200 150 Tj = 125 8.3 ms Single 100 Half Sing -Wave 1.0 2.0 100 NUMBER OF CYCLES AT 60HZ 10 20 40 80 Junction Capacitance(pF) 100 20 40 Fig.4-Typical Junction Capacitance Fig.5-TYPICAL REVERSE CHARACTERISTICS CAPACITANCE. PF 0.4 25 50 75 100 The cruve g ra p h is for reference onl y , can't be the basis for j ud g ment 曲线图仅供参考