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RB481Y-90
Diodes
Schottky barrier diode
RB481Y-90
Applications Low current rectification Dimensions (Unit : mm) Land size figure (Unit : mm)
0.5
1.60.1 1.60.05
1.20.1
Features 1) Ultra small mold type. (EMD4) 2) Low VF 3) High reliability
0.220.05
0.130.05 (3)
0.45
1.60.05 1.60.1
(4)
00.1
1.0
EMD4
(1)
(2) 0.5 0.50.05
Construction Silicon epitaxial planar
0.5 1.00.1
Structure
ROHM : EMD4 JEITA : SC-75A Size dot (year week factory)
Taping dimensions (Unit : mm)
4.00.1 2.00.05 1.50.1 0 1.750.1 0.30.1
3.50.05
1.650.1
5.50.2
8.00.2
1.55
0.80.1 00.1 0.650.1
1.650.1 1.70.05
1PIN
4.00.1
Absolute maximum ratings (Ta=25C) Parameter Reverse voltage (repetitive peak) Reverse voltage (DC) Average rectified forward current*1 Forward current surge peak 60Hz1cyc*1 Junction temperature Storage temperature
Symbol VRM VR Io IFSM Tj Tstg
Limits 90 90 100 1 125 -40 to +125
Unit V V mA A
(*1) Rating of per diode
Electrical characteristic (Ta=25C) Parameter Forward voltage Reverse current Symbol VF IR Min. Typ. 0.55 20 Max. 0.61 100 Unit V A Conditions IF=100mA VR=90V
Rev.C
1.650.01
1/3
RB481Y-90
Diodes
Electrical characteristic curves
100 Ta=75 FORWARD CURRENT:IF(mA) REVERSE CURRENT:IR(uA) Ta=125 10 Ta=25 Ta=-25 1 10000 1000 100 Ta=25 10 1 0.1 0.01 0 100 200 300 400 500 600 0 10 20 30 40 50 60 70 80 90 REVERSE VOLTAGEVR(V) VR-IR CHARACTERISTICS FORWARD VOLTAGEVF(mV) VF-IF CHARACTERISTICS Ta=-25 Ta=125 100 f=1MHz CAPACITANCE BETWEEN TERMINALS:Ct(pF) Ta=75
10
0.1
1 0 5 10 15 20 REVERSE VOLTAGE:VR(V) VR-Ct CHARACTERISTICS 25 30
580 FORWARD VOLTAGE:VF(mV) Ta=25 IF=0.1A n=30pcs
500 450 REVERSE CURRENT:IR(uA) 400 350 300 250 200 150 100 50 0 AVE:29.31uA Ta=25 VR=90V n=30pcs
30 29 CAPACITANCE BETWEEN TERMINALS:Ct(pF) 28 27 26 25 24 23 22 21 20 IR DISPERSION MAP Ct DISPERSION MAP AVE:21.69pF Ta=25 f=1MHz VR=0V n=10pcs
570
560
550
540 AVE:552.0mV 530 VF DISPERSION MAP
20 RESERVE RECOVERY TIME:trr(ns) PEAK SURGE FORWARD CURRENT:IFSM(A) Ifsm 15 8.3ms 10 1cyc
30 PEAK SURGE FORWARD CURRENT:IFSM(A) 25 20 15 10 AVE:11.7ns 5 0 trr DISPERSION MAP Ta=25 IF=0.5A IR=1A Irr=0.25*IR n=10pcs
10 9 8 7 6 5 4 3 2 1 0 1 10 NUMBER OF CYCLES IFSM-CYCLE CHARACTERISTICS 100 Ifsm 8.3ms 8.3ms 1cyc
5 AVE:3.70A 0 IFSM DISRESION MAP
10 9 PEAK SURGE FORWARD CURRENT:IFSM(A) 8 7 6 5 4 3 2 1 0 1 10 TIME:t(s) IFSM-t CHARACTERISTICS 100 Ifsm t
1000 TRANSIENT THAERMAL IMPEDANCE:Rth (/W) Rth(j-a) FORWARD POWER DISSIPATION:Pf(W)
0.2 Per diode D=1/2 Sin(180) DC
Rth(j-c) 100
Mounted on epoxy board IM=10mA IF=100mA
0.1
1ms
time
300us
10 0.001
0 10 TIME:t(s) Rth-t CHARACTERISTICS 0.1 1000 0 0.05 0.1 0.15 0.2 0.25 AVERAGE RECTIFIED FORWARD CURRENTIo(A) Io-Pf CHARACTERISTICS 0.3
Rev.C
2/3
RB481Y-90
Diodes
1 Per diode AVERAGE RECTIFIED FORWARD CURRENT:Io(A) 0.8 REVERSE POWER DISSIPATION:PR (W) 0.3 Per diode 0A 0V t 0.2 D=1/2 DC T Io AVERAGE RECTIFIED FORWARD CURRENT:Io(A) VR D=t/T VR=45V Tj=125
0.3
Per diode
0A 0V t DC
Io VR D=t/T VR=45V Tj=125
0.6 Sin(180) D=1/2 DC 0.2
0.2
D=1/2
T
0.4
0.1 Sin(180) 0
0.1
Sin(180)
0 0 20 40 60 REVERSE VOLTAGE:VR(V) VR-PR CHARACTERISTICS 80
0
25 50 75 100 AMBIENT TEMPERATURE:Ta() Derating Curve(Io-Ta)
125
0 0 25 50 75 100 125
CASE TEMPARATURE:Tc() Derating Curve(Io-Tc)
Rev.C
3/3
Appendix
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.
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. 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.
Appendix1-Rev1.1

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