RM25 AVALANCHE DIODE D2 VRM : 40 Volts IZSM : 3.0 Amp. ( 10 ms ) FEATURES : * * * * 1.00 (25.4) MIN. 0.161 (4.1) 0.154 (3.9) Excellent clamping capability Low zener impedance Fast response time : typically less Pb / RoHS Free 0.284 (7.2) 0.268 (6.8) 1.00 (25.4) MIN. 0.034 (0.86) 0.028 (0.71) MECHANICAL DATA : * Case : D2 Molded plastic * Epoxy : UL94V-O rate flame retardant * Lead : Axial lead solderable per MIL-STD-202, Method 208 guaranteed * Polarity : Color band denotes cathode end * Mounting position : Any * Weight : 0.465 gram Dimensions in inches and ( millimeters ) MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS Rating at 25 °C ambient temperature unless otherwise specified. For capacitive load, derate current by 20%. RATING SYMBOL VALUE UNIT VRWM 40 V Allowable Avalanche Current, Rectangular wave Single Shot IZSM 3.0 (10ms) A Instantaneous Avalanche Voltage at IZ = 1 mA VZ 50 to 61.5 V IR 5.0 IR(H) 50 RZ 5 Ω Temperature Coefficient at IZ = 1mA γZ 0.09 %/ºC Junction Temperature Range TJ - 40 to + 130 °C Storage Temperature Range TSTG - 40 to + 130 °C Working Peak Reverse Voltage µA Maximum Reverse Leakage at Working Peak Reverse Voltage Maximum Equivalent Resistance of Breakdown region at IZ = 0.5 to 1.5 A Page 1 of 1 Rev. 02 : March 25, 2005