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RB521S-40
Diodes
Schottky barrier diode
RB521S-40
Applications Rectifying small power External dimensions (Unit : mm)
0.80.05 0.120.05
Land size figure (Unit : mm)
0.8 0.6
Features 1) Ultra small mold type. (EMD2) 2) Low VF 3) High reliability Construction Silicon epitaxial planar
0.30.05
1.20.05
1.60.1
EMD2
0.60.1
Structure
ROHM : EMD2 JEDEC :SOD-523 JEITA : SC-79 dot (year week factory)
Taping dimensions (Unit : mm)
4.00.1 2.00.05 1.50.05 0.20.05 1.750.1
3.50.05
8.00.15
1.30.06 0
1.260.05 0 0.2 0.760.05
2.450.1
0.5 0.950.06 0
Empty pocket 4.00.1
2.00.05
Absolute maximum ratings (Ta=25C)
Parameter Reverse voltage (repetitive peak) Reverse voltage (DC) Average rectified forward current Forward current surge peak 60Hz1cyc Junction temperature Storage temperature Symbol VRM VR Io IFSM Tj Tstg Limits 45 40 200 4 150 -55 to +150 Unit V V mA A
Electrical characteristic (Ta=25C)
Parameter Forward voltage Symbol VF Min. 0.16 0.31 0.41 10 Typ. 0.26 0.40 0.50 2.50 6.00 Max. 0.30 0.45 0.54 20.00 90.00 Unit V Conditions IF=10mA IF=100mA IF=200mA VR=10V VR=40V C=100PF,R=1.5K forward and reverse : 1 time
Reverse current ESD break down voltage
IR ESD
A
KV
0.6
1.7
1/3
RB521S-40
Diodes
Electrical characteristic curves
1000 100000 Ta=150 Ta=125 Ta=75 Ta=25 Ta=-25 100 f=1MHz
FORWARD CURRENT:IF(mA)
REVERSE CURRENT:IR(uA)
Ta=75 100 Ta=125 Ta=-25 10 Ta=25
1000 100 10 1 0.1 0.01
Ta=150
1 0 100 200 300 400 500 FORWARD VOLTAGEVF(mV) VF-IF CHARACTERISTICS 600
CAPACITANCE BETWEEN TERMINALS:Ct(pF)
10000
10
0
10 20 REVERSE VOLTAGEVR(V) VR-IR CHARACTERISTICS
30
1 0 10 20 REVERSE VOLTAGE:VR(V) VR-Ct CHARACTERISTICS 30
520
100 Ta=25 IF=200mA n=30pcs 90 80 70 60 50 40 30 20 10 0 AVE:6.86uA Ta=25 VR=40V n=30pcs 30 29 Ta=25 f=1MHz VR=0V n=10pcs AVE:27.2pF
FORWARD VOLTAGE:VF(mV)
REVERSE CURRENT:VR(uA)
510 500 490 AVE:495.2mV 480 470
CAPACITANCE BETWEEN TERMINALS:Ct(pF)
28 27 26 25 24 23 22 21 20
VF DISPERSION MAP
IR DISPERSION MAP
Ct DISPERSION MAP
20
10
10 Ifsm 8.3ms 8.3ms 1cyc
PEAK SURGE FORWARD CURRENT:IFSM(A)
PEAK SURGE FORWARD CURRENT:IFSM(A)
PEAK SURGE FORWARD CURRENT:IFSM(A)
15
Ifsm
1cyc 8.3ms
Ifsm t
10
5
5
5 AVE:5.60A 0
0 1 IFSM DISPERSION MAP 10 NUMBER OF CYCLES IFSM-CYCLE CHARACTERISTICS 100
0 1 10 TIME:t(ms) IFSM-t CHARACTERISTICS 100
1000
TRANSIENT THAERMAL IMPEDANCE:Rth (/W)
0.3 Rth(j-a) 0.25 D=1/2
5 4
FORWARD POWER DISSIPATION:Pf(W)
Rth(j-c) 100
Mounted on epoxy board IM=1mA IF=20mA
0.2 DC 0.15 0.1 0.05 Sin(180)
REVERSE POWER DISSIPATIONPR (w)
3 D=1/2 2 Sin(180) 1 0 DC
1ms
time
300us
10 0.001
10 TIME:(s) Rth-t CHARACTERISTICS
0.1
1000
0 0 0.1 0.2 0.3 AVERAGE RECTIFIED FORWARD CURRENTIo(A) Io-P CHARACTERISTICS 0.4
0
10 20 30 REVERSE VOLTAGEVR(V) VR-PR CHARACTERISTICS
40
2/3
RB521S-40
Diodes
0.5
0A 0V DC
Io
0.5
AVERAGE RECTIFIED FORWARD CURRENT Io(A)
0.4 0.3 0.2 0.1
AVERAGE RECTIFIED FORWARD CURRENT Io(A)
t T
VR D=t/T VR=20V Tj=150
0A 0V DC
Io t T VR D=t/T VR=20V Tj=150
0.4 0.3
D=1/2 0.2 0.1 0
Sin(180)
D=1/2 0 0 25 50 75 100 125 AMBIENT TEMPERATURETa() Derating Curve(Io-Ta) 150
Sin(180)
0
25
50
75
100
125
150
CASE TEMPARATURETc() Derating Curve(Io-Tc)
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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