RECTIFIERS Ultra-Fast Recovery, 3 Amp and 4 Amp FEATURES Continuous Rating: to 4A Controlled Avalanche Surge: to 80A @ Recovery Time less than 100ns @ Miniature Package ABSOLUTE MAXIMUM RATINGS 3 Amp 4 Amp Peak Inverse Voltage Series Series 50V UTX 3105 UTX 4105 100V UTX 3110 UTX 4110 150V UTX 3115 UTX 4115 200V UTX 3120 UTX 4120 . 3 AMP 4 AMP Maximum Average D.C. Output Current SERIES SERIES @T= @T,= Non-Repetitive Sinusoidal , Surge Current (8.3ms) Operating Temperature Range Storage Temperature Range . Thermal Resistance 00.00. BOA oe eceeeeee : 195C to +200C MECHANICAL SPECIFICATIONS veces 220A 80A 195C to +175C........, ..See Lead Temperature Derating Curve UTX 3105-UTX 3120 UTX 4105-UTX 4120 DESCRIPTION These miniature ultra-fast recovery recti- fiers permit operation at full power at frequencies as high as 100kHz square wave. They have the same unique Unitrode construction as the familiar 2. amp UTX series, but are scaled up in size to provide higher continuous and surge current capability. UTX 3105-UTX 3120 UTX 4105-UTX 4120 Band indicates 175" TYP. 040" + .001 cathode end 4.4mm 1.Q2mm +.03 145" MAX 3.68mm 975" MIN. 24.8mm 300" MAX. 7.62mm 2.30 MIN. 58.4mm UTX Prefix is identified by a Green Cathode Band BODY B 351 Lt ae UNITRODE ELECTRICAL SPECIFICATIONS (at 25C unless noted) UTX 3105-UTX 3120 UTX 4105-UTX 4120 Maximum: Maximum Maximum Leakage Reverse Forward Current @ PIV Recovery Type PIV Voltage Drop* 25c 100C Time** UTX 4105 50V UTX 4110 100V UTX 4115 150V lV @ 3 Adc 5uA 75uA 100ns UTX 4120 200V UTX 3105 50V UTX 3110 100V UTX 3115 150V 1V @ 2 Ade 5uA 75pA 100ns UTX 3120 200V *Forward voltage is measured at least 1 second after application of current. **Recovery time is measured from 1A to 1A recovering to 0.5A, Maximum Current vs Lead Temperature C= %" 4 AMP SERIES 6 < & 5 z wd e > 43 2 = o nm rr 2 w 4 3 rc 9 a =, W < 3 wa > < | | - 9 25 50 75 100 125 #150 6175 T, LEAD TEMPERATURE (C) Reverse Recovery Circuit 100 90 80 70 60 9 SV pc. SCOPE 682 50 40 30 20 EFFICIENCY (% OF OUTPUT) @1000 Hz D.C. AVERAGE VOLTS UNITRODE CORPORATION 5 FORBES ROAD LEXINGTON, MA 02173 TEL. (617) 861-6540 TWX (710) 326-6509 TELEX 95-1064 352 In AVERAGE RECTIFIED CURRENT (A) 25 50 Maximum Current vs Lead Temperature 75 = 100 T, LEAD TEMPERATURE (C) 3 AMP SERIES " @ waMmoa SLT 0 75 Efficiency vs Frequency at Rated Current (Sine Wave) 1K ALL SERIES 2 3.4 6 810K 100K FREQUENCY (H,) HALF WAVE RESISTIVE LOAD NO FILTER 1M PRINTED IN U.S.A. Typical Leakage Current vs PIV REVERSE CURRENT (uA) 1,000 150 100 % OF PIV 50 50C lp CURRENT (A) 002 0 2 4 Forward Pulse Current vs Pulse Duration 10,000 1,000 100 PULSE CURRENT (A) 10 lis lus 10us uare vs Duration for Non-Repetitive Pulse (8.3 ms sine wave equivalent to 3 ms square wave) 100us lms 10ms PULSE DURATION (SECONDS) % OF SPECIFIED SURGE RATING 100 80 60 40 20 Allowable Forward Surge 1 10 UNITRODE CCRPORATION 5 FORBES ROAD LEXINGTON, MA 02173 + TEL. (617) 861-6540 TWX (710) 326-6509 TELEX 95-1064 353 Typical Forward Current vs Forward Voltage 4 AMP SERIES 4 6 8 1 12 14 Vp VOLTAGE (V) UTX 3105-UTX 3120 UTX 4105-UTX 4120 CURRENT (A) ee. e - nN wn 2 o a 002 001 Typical Forward Current vs Forward Voltage 3 AMP SERIES 4 6 3&8 1 1.2 1.4 Ve - VOLTAGE [) Reverse Pulse Power vs Pulse Duration 109,000 ALL SERIES = 10,000 x ut 8 2 1,000 Ww wn a 2 a 100 10 100ns lus vs Number of Cycles ALL SERIES Turret 1 centers Turret 2 centers Printed Circuit 100 CYCLES AT 60 H, HALF SINE WAVE 10us Square Pulse Power vs Duration for Non-Repetitive Pulse (8.3 ms Sine wave equivalent to 3 ms: square wave) l0bus lms toms PULSE DURATION (SECONDS) 1,000 PRINTED IN U.S.A. "7