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RB021VA-90
Diodes
Schottky barrier diode
RB021VA-90
Applications General rectification Features 1) Small power mold type (TUMD2) 2) Low VF 3) High reliability External dimensions (Unit : mm)
0.170.1 0.05 1.30.05
Land size figure (Unit : mm)
1.1
1.90.1
2.50.2
TUMD2
Structure Silicon epitaxial planar
0.80.05
Structure
ROHM : TUMD2 0.1 dot (year week factory) + day
0.60.2
Taping dimensions (Unit : mm)
4.00.1 2.00.05 1.750.1 1.550.1 0 0.250.05
3.50.05
8.00.2
1.430.05
4.00.1
1.00.2 0
2.75
2.80.05
0.90.08
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 90 90 0.2 5 125 -40 to +125
Unit V V A A
Electrical characteristic (Ta=25C) Parameter Symbol Min. Forward voltage VF Reverse current IR -
Typ. -
Max. 0.49 900
Unit V A
Conditions IF=200mA VR=90V
Rev.B
0.8 0.5
2.0
1/3
RB021VA-90
Diodes
Electrical characteristic curves
1000 100000 Ta=125 100 f=1MHz
FORWARD CURRENT:IF(mA)
REVERSE CURRENT:IR(uA)
Ta=125 100 Ta=75 Ta=25 10 Ta=-25
Ta=75 1000 100 10 1 0.1 Ta=-25
CAPACITANCE BETWEEN TERMINALS:Ct(pF)
10000
Ta=25
10
1 0 100 200 300 400 500 FORWARD VOLTAGEVF(mV) VF-IF CHARACTERISTICS 600
0
10 20 30 40 50 60 70 80 90 REVERSE VOLTAGEVR(V) VR-IR CHARACTERISTICS
1 0 10 20 REVERSE VOLTAGE:VR(V) VR-Ct CHARACTERISTICS Ct 30
470
300 Ta=25 IF=0.2A n=30pcs 250 200 150 100 AVE:28.68uA 50 0 Ta=25 VR=90V n=30pcs
70 69 Ta=25 f=1MHz VR=0V n=10pcs
FORWARD VOLTAGE:VF(mV)
REVERSE CURRENT:IR(uA)
CAPACITANCE BETWEEN TERMINALS:Ct(pF)
460
68 67 66 65 64 63 62 61 60 AVE:64.35pF
450
440
430 AVE:442.8mV 420 VF DISPERSION MAP
IR DISPERSION MAP
Ct DISPERSION MAP
30
30
30
PEAK SURGE FORWARD CURRENT:IFSM(A)
PEAK SURGE FORWARD CURRENT:IFSM(A)
25 20 15 10 5
Ifsm
1cyc 8.3ms
RESERVE RECOVERY TIME:trr(ns)
25 20 15 10 5 AVE:6.40ns 0
Ta=25 IF=0.5A IR=1A Irr=0.25*IR n=10pcs
25 20 15 10 5 0 1
Ifsm 8.3ms 8.3ms 1cyc
AVE:14.6A 0
IFSM DISRESION MAP
trr DISPERSION MAP
10 NUMBER OF CYCLES IFSM-CYCLE CHARACTERISTICS
100
30
1000 Ifsm t
Mounted on epoxy board IM=10mA IF=0.1A
0.3
PEAK SURGE FORWARD CURRENT:IFSM(A)
25 20 15 10 5 0 1
TRANSIENT THAERMAL IMPEDANCE:Rth (/W)
FORWARD POWER DISSIPATION:Pf(W)
1ms
time
Rth(j-a)
300us
0.2 D=1/2 Sin(180) 0.1 DC
100 Rth(j-c)
10 TIME:t(ms) IFSM-t CHARACTERISTICS
100
10 0.001
0 10 TIME:t(s) Rth-t CHARACTERISTICS 0.1 1000 0 0.1 0.2 0.3 0.4 AVERAGE RECTIFIED FORWARD CURRENTIo(A) Io-Pf CHARACTERISTICS 0.5
Rev.B
2/3
RB021VA-90
Diodes
3 0.5 0A 0V t DC 0.3 D=1/2 T Io VR D=t/T VR=45V Tj=125 0.5 Io t DC 0.3 D=1/2 0.2 T VR D=t/T VR=45V Tj=125
0A 0V
AVERAGE RECTIFIED FORWARD CURRENT:Io(A)
2 D=1/2 DC 1 Sin(180)
0.2
AVERAGE RECTIFIED FORWARD CURRENT:Io(A)
0.4
0.4
REVERSE POWER DISSIPATION:PR (W)
0.1
Sin(180)
0.1 Sin(180) 0
0 0 20 40 60 REVERSE VOLTAGE:VR(V) VR-PR CHARACTERISTICS 80
0 0 25 50 75 100 AMBIENT TEMPERATURE:Ta() Derating Curve(Io-Ta) 125
0
25 50 75 100 CASE TEMPARATURE:Tc() Derating Curve(Io-Tc)
125
Rev.B
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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