unisonic technologies co., ltd her504g diode www.unisonic.com.tw 1 of 4 copyright ? 2015 unisonic technologies co., ltd qw-r601-218.c high efficiency glass passivated rectifiers ? description the utc her504g is a high efficiency glass passivated rectifiers, it uses utc?s advanced technology to provide customers with high speed switching, high forward sur ge current and low reverse leakage, etc. ? features * high speed switching for high efficiency * low reverse leakage * high forward surge current capability do-201ad 1 2 ? ordering information ordering number pin assignment lead free halogen free package 1 2 packing her504gl-z21d-b HER504GP-Z21D-B do-201ad k a tape box note: pin assignment: a: anode k: cathode (1) b: tape box (2) z21d: do-201ad (3) l: lead free, p: halogen free and lead free her504gl-z21d-b (1)packing type (2)package type (3)green package ? marking r504g date code l: lead free p: halogen free cathode band for uni-directional only
her504g diode unisonic technologies co., ltd 2 of 4 www.unisonic.com.tw qw-r601-218.c ? absolute maximum ratings ratings at 25c ambient temperatur e unless otherwise specified. single phase half-wave 60hz, resistive or inductive load, for capacitive load current derate by 20%. parameter symbol ratings unit working peak reverse voltage v rwm 300 v repetitive peak reverse voltage v rrm 300 v rms voltage v rms 210 v dc blocking voltage v dc 300 v average forward rectified current 0.375? (9.5mm) lead length at t a =50c i (av) 5.0 a peak forward surge current 8.3ms single half sine-wave superimposed on rated load (jedec method) i fsm 200 a junction temperature t j -65~+150 c storage temperature t stg -65~+150 c note: absolute maximum ratings are those values beyond which the device could be permanently damaged. absolute maximum ratings are stress ratings only and functional device oper ation is not implied. ? thermal data parameter symbol ratings unit junction to ambient (note 3) ja 10 c/w ? electrical characteristics ratings at 25c ambient temperatur e unless otherwise specified. single phase half-wave 60hz, resistive or inductive load, for capacitive load current derate by 20%. parameter symbol test conditions min typ max unit instantaneous forward voltage v f i f =5.0a 1.0 v t a =25c 10 a dc reverse current at rated dc blocking voltage i r t a =100c 200 a reverse recovery time (note 1) t rr 50 ns junction capacitance (note 2) c j 75 pf notes: 1. reverse recovery condition i f =0.5a, i r =1.0a, irr=0.25a. 2. measured at 1mhz and appli ed reverse voltage of 4.0v d.c. 3. thermal resistance from junction to ambien t at 0.375? (9.5mm) lead length, p.c.b. mounted.
her504g diode unisonic technologies co., ltd 3 of 4 www.unisonic.com.tw qw-r601-218.c ? typical characteristics test circuit diagram and reverse recovery time characteristics 50 noninductive 10 noninductive d.u.t. (+) 25 vdc (approx) (-) 1 non inductive oscilloscope (note 1) (-) (+) pulse generator (note 2) notes: 1. rise time=7ns max. input impedance=1 megohm 22pf 2. rise time=10ns max. source impedance= 50 ohms +0.5a 0 -0.25a -1.0a trr 1cm set time base for 50/10ns/cm maximum non-repetitive forward surge current peak forward surge current (a) 250 200 150 100 50 1 5 10 50 100 number of cycles at 60hz 8.3ms single half sine wave (jedec method) 0 typical forward characteristics instantaneous forward current (a) 10 1.0 0.1 0.01 0.4 0.6 0.8 1.0 1.2 1.4 forward voltage (v) t j =25c pulse width=300s 1% duty cycle t j =25c 0.001 1.6 1.8 175 150 125 100 75 50 25 0.01 0.05 typical junction capacitance junction capacitance (pf) 0.1 0.5 15 10 50 100 reverse voltage (v) typical forward curre nt derating curve 6 5 4 3 0 0 25 50 75 100 125 150 175 ambient temperature (c) average forward current (a) 2 1 single phase half wave 60hz resistive or inductive load 0.375"(9.5mm) lead length 0
her504g diode unisonic technologies co., ltd 4 of 4 www.unisonic.com.tw qw-r601-218.c utc assumes no responsibility for equipment failures that result from using products at values that exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other parameters) listed in products specifications of any and all utc products described or contained herein. utc products are not designed for use in life support appliances, devices or systems where malfunction of these products can be reasonably expected to result in personal injury. reproduction in whole or in part is prohibited without the prior written consent of the copyright owner. the information presented in this document does not form part of any quotation or contract, is believed to be accurate and reliable and may be changed without notice.
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