RECTIFIERS High Efficiency, 5A FEATURES @ Very Low Forward Voltage (1.15V) @ Very Fast Recovery Times (50nSec) Small Size e High Surge ABSOLUTE MAXIMUM RATINGS Peak Inverse Voltage, UES1304 Peak Inverse Voltage, UES1305 Peak Inverse Voltage, UES1306 Maximum Average D.C. Output Current, I, @T, = 25C (Free Air) ow... @T, = 50C, be eee Surge Current, 8.3mSec .. . Thermal Resistance @ L3%@" ow. . Operating and Storage Temperature Range ........ MECHANICAL SPECIFICATIONS UES1304UES1306 DESCRIPTION The UES1304 series is specifically designed for operation in power switching circuits operating at frequencies of at least 20 KHz. UES1304-1306 .040" + .001 175" TYP, Lo2nim +.03 4.4mm Band indicates cathode end 115" TYP 145 MAX. 2.9mm | a+ 4-105" TYP] 2.7mm 975" MIN. 300" MAX. 24.3mm_! 7.62mm 2.30" MIN. 58.4mm BODY B 4/79 (Rev. 1) 299 uy mee UNITRODEELECTRICAL SPECIFICATIONS UES1304-UES1306 . . Maximum Maximum Maximum Reverse Type PIV Forward Voltage Reverse Current y T,= 25C T, = 100C @ PIV, T, = 25C T, = 100C Time* UES1304 200V 1.25V 1,15V UES1305 300V @3A @3A 20pA 500A 50nS UES1306 400V tp = 300uS tp = 300uS * Measured in circuit |, = 0.5A, Ip = 1A, Ipeg = 0.254 Typical Reverse Current Forward Current vs. Reverse Voitage vs. Forward Voltage 10K 100 = zi E ~~ z - ri 2 oe VT} x al 3 o 3 & @ 3 01 uw o a uw & 1 | Ol o1 120 20 1 V, ~ REVERSE VOLTAGE (% Output Current 140 160 180 OF PIV) vs. Lead Temperature 6 T T L Le Zs |__|. < _ a [ MN Wg WwW & \ L = 3e" oO Coak J - 2 | o \ 5 3B? - \ , 21 0 25 50 75 100 125150 T, LEAD TEMPERATURE (C) Multiple Surge Current vs. Duration NOT TTL] go % z = N = 6 3 1, MOUNT 5 S| @ Length = pm, 5 | PH 2 i a = 20 + Printed Circuit bo 12 5 10 2% 50 100 200 500 1000 CYCLES AT 60 Hz SINE WAVE UNITRODE CORPORATION * 5 FORBES ROAD LEXINGTON, MA 02173 + TEL. (617) 861-6540 TWX (710) 326-6509 TELEX 95-1064 300 001 0.0 02 04 06 08 10 1.2 1.6 V, - FORWARD VOLTAGE (V) 14 18 2 Output Current vs Ambient Temperature 3 <= 2.5 bE a nm 2 mr 3 15 = a 54 3 | wo 5 9 25 50 75 100 125 150 T, AMBIENT TEMPERATURE (C) Reverse-Recovery Circuit $02 10.0 PULSE a 25 Vdc GENERATOR ze {APPROX.} NOTE2 - 12 NOTE3 OSCILLOSCOPE + NOTE1 ae NOTES: 1, Oscilloscope: Rise time < 3ns; input impedance = 500. 2. Pulse Generator: Rise time < 8ns; source impedance 102. 3. Current viewing resistor, non-inductive, coaxial recommended. PRINTED IN U.S.A.