1N4942, 1N4944, 1N4946, 1N4947, 1N4948 Axial Leaded Hermetically Sealed Fast Recovery Rectifier Diodes POWER DISCRETES Description Features Quick reference data Low reverse leakage current Hermetically sealed in Metoxilite fused metal oxide Low forward voltage drop VR = 200 - 1000 V IO = 1.0A trr = 150 to 500nS V = 1.2V These products are qualified to MIL-PRF-19500/359 F Electrical Specifications Electrical specifications @ TA = 25°C unless otherwise specified. Types VRWM IF (AV) @ 55°C IFSM IFRM @ tp=8.3ms TRR VF @ IF -pcb mid L = 3/8" V(pk) A A A A ns V 1N4942 200 1.0 2.0 25 6.0 150 1N4944 400 1.0 2.0 25 6.0 1N4946 600 1.0 2.0 25 1N4947 800 1.0 2.0 1N4948 1000 1.0 2.0 Revision: November 7, 2007 IR @ VRWM C J @ 5V 1MHz 25°C 100°C A µA µA pF 1.2 1.0 0.5 25 150 1.2 1.0 0.5 6.0 250 1.2 1.0 25 6.0 250 1.2 25 6.0 500 1.2 1 Rθ θjL T S TG 3/8" 0" °C C/W°C C/W°C 27 -65 to +175 3 7 25 27 -65 to +175 3 7 0.5 25 27 -65 to +175 3 7 1.0 0.5 25 18 -65 to +175 3 7 1.0 0.5 25 18 -65 to +175 3 7 www.semtech.com 1N4942, 1N4944, 1N4946, 1N4947, 1N4948 POWER DISCRETES Ordering Information Part Number 1N4942 1N4944 1N4946 1N4947 1N4948 Description Axial leaded hermetically sealed(1) Note: (1) Available in bulk or tape and reel packaging. Please consult factory for quantities. Outline Drawing Contact Information Semtech Corporation Power Discretes Products Division 200 Flynn Road, Camarillo, CA 93012 Phone: (805)498-2111 FAX (805)498-3804 2007 Semtech Corp. 2 www.semtech.com