rb851y diodes rev.b 1/2 schottky barrier diode rb851y z applications z dimensions (unit : mm) z land size figure (unit : mm) high frequency detection z features 1) ultra small mold type. (emd4) 2) low ct and high detection efficiency. z construction z structure silicon epitaxial planar z taping specifications (unit : mm) z absolute maximum ratings (ta=25 c) z electrical characteristics (ta=25 c) emd4 0.5 0.45 1.0 1.55 symbol min. typ. max. unit conditions v f --0.46v i f =1m a i r --0.7a v r =1v capacitance between terminal ct - 0.8 - pf v r =0v , f=1mhz reverse current parameter forward voltage rohm : emd4 jeita : sc-75a size dot (year week factory) 0.130.05 0.50.05 00.1 (1) (2) (4) (3) 0.5 0.5 1.00.1 0.220.05 1.60.1 1.20.1 1.60.1 1.60.05 1.60.05 1.650.1 4.00.1 4.00.1 2.00.05 1.50.1 0 3.50.05 1.750.1 8.00.2 0.80.1 5.50.2 1.650.1 0.650.1 0.30.1 00.1 1pin 1.650.01 1.70.05 symbol unit v r v i f ma tj tstg junction temperature storage temperature (*1)rating of per diode limits 3 30 parameter reverse voltage (dc) forward current(dc)(*1) 125 -40 to +125
rb851y diodes rev.b 2/2 z electrical characteristic curves (ta=25 c) forward voltagevf(mv) vf-if characteristics forward current:if(ma) reverse current:ir(ua) reverse voltagevr(v) vr-ir characteristics capacitance between terminals:ct(pf) reverse voltage:vr(v) vr-ct characteristics vf dispersion map forward voltage:vf(mv) reverse current:ir(ua) ir dispersion map capacitance between terminals:ct(pf) ct dispersion map time:t(s) rth-t characteristics transient thaermal impedance:rth (/w) electrostatic ddischarge test esd(kv) esd dispersion map 0.0001 0.001 0.01 0.1 1 10 0 100 200 300 400 500 600 700 1 10 100 1000 10000 012345 0.1 1 012345 f=1mhz 360 370 380 390 400 410 ave:389.3mv ta=25 if=1ma n=30pcs 0 10 20 30 40 ta=25 vr=1v n=30pcs ave:15.0ua 0.65 0.7 0.75 0.8 ave:0.764pf ta=25 f=1mhz vr=0v n=10pcs 10 100 1000 0.001 0.01 0.1 1 10 100 1000 rth(j-a) rth(j-c) 1ms im=1ma if=10ma 300us time mounted on epoxy board 0 0.2 0.4 0.6 0.8 1 1.2 1.4 ave:0.53kv ave:1.13kv c=100pf r=1.5k c=200pf r=0 ta=-25 ta=125 ta=25 ta=75 ta=-25 ta=125 ta=75 ta=25
appendix appendix1-rev1.1 the products listed in this document are designed to be used with ordinary electronic equipment or devices (such as audio visual equipment, office-automation equipment, communications devices, electrical appliances and electronic toys). should you intend to use these products with equipment or devices which require an extremely high level of reliability and the malfunction of with would directly endanger human life (such as medical instruments, transportation equipment, aerospace machinery, nuclear-reactor controllers, fuel controllers and other safety devices), please be sure to consult with our sales representative in advance. notes no technical content pages of this document may be reproduced in any form or transmitted by any means without prior permission of rohm co.,ltd. the contents described herein are subject to change without notice. the specifications for the product described in this document are for reference only. upon actual use, therefore, please request that specifications to be separately delivered. application circuit diagrams and circuit constants contained herein are shown as examples of standard use and operation. please pay careful attention to the peripheral conditions when designing circuits and deciding upon circuit constants in the set. any data, including, but not limited to application circuit diagrams information, described herein are intended only as illustrations of such devices and not as the specifications for such devices. rohm co.,ltd. disclaims any warranty that any use of such devices shall be free from infringement of any third party's intellectual property rights or other proprietary rights, and further, assumes no liability of whatsoever nature in the event of any such infringement, or arising from or connected with or related to the use of such devices. upon the sale of any such devices, other than for buyer's right to use such devices itself, resell or otherwise dispose of the same, no express or implied right or license to practice or commercially exploit any intellectual property rights or other proprietary rights owned or controlled by rohm co., ltd. is granted to any such buyer. products listed in this document are no antiradiation design. about export control order in japan products described herein are the objects of controlled goods in annex 1 (item 16) of export trade control order in japan. in case of export from japan, please confirm if it applies to "objective" criteria or an "informed" (by miti clause) on the basis of "catch all controls for non-proliferation of weapons of mass destruction.
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