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| DA221M/DA221/DA204U/DA204K/DA228U/DA228K/UMR12N Diodes Switching diode DA221M / DA221 / DA204U / DA204K DA228U / DA228K / UMR12N Applications Bias circuits Protection circuits External dimensions (Unit : mm) DA221M DA221 0.20.1 0.80.1 0.20.1 1.20.1 0.80.1 0.40.4 1.60.2 1.00.1 0.50.05 00.1 0.130.05 0.70.1 0.2 +0.1 -0.05 0.80.1 1.60.2 0.220.05 (2) (1) 0.2 +0.1 -0.05 0.5 0.5 0.550.1 00.1 (3) 0.320.05 1.20.1 0.3 +0.1 -0.05 0.150.05 (All leads have the same dimensions) (All leads have the same dimensions) ROHM : VMD3 EIAJ : JEDEC : ROHM : EMD3 EIAJ : SC-75A JEDEC : SOT-416 Construction Silicon epitaxial planar DA204U / DA228U DA204K / DA228K 2.00.2 1.30.1 0.65 0.65 1.250.1 0.90.1 0.2 0.70.1 2.10.1 2.90.2 1.90.2 0.95 0.95 1.1 +0.2 -0.1 0.80.1 Circuit DA221M / DA221 / DA204U / DA204K / DA228U / DA228K UMR12N 1.6 +0.2 -0.1 00.1 2.80.2 0.1Min. 00.1 0.4 +0.1 -0.05 0.15 -0.06 (All leads have the same dimensions) (All leads have the same dimensions) (3) (2) (1) D2 D1 D1 D2 D2 (5) (6) D1 ROHM : UMD3 EIAJ : SC-70 JEDEC : SOT-323 UMR12N ROHM : SMD3 EIAJ : SC-59 JEDEC : SOT-346 (4) 2.00.2 1.30.1 0.65 0.65 (3) (2) (1) 0.90.1 0.7 1.250.1 2.10.1 0.1Min. 00.1 (4) (5) (6) +0.1 0.2 -0.05 0.150.05 (All leads have the same dimensions) ROHM : UMD6 EIAJ : SC-88 JEDEC : SOT-363 1/4 0.30.6 +0.1 0.3 -0 0.150.05 0.1 K Features 1) Three types of packages are available. (VMD3, EMD3, UMD3, SMD3) 2) Two diode elements are connected in series (VF x 2) per circuit. +0.1 R12 DA221M/DA221/DA204U/DA204K/DA228U/DA228K/UMR12N Diodes Marking VMD3 DA221M - K - EMD3 DA221 - K - UMD3 DA204U K UMD6 UMR12N - R12 - SMD3 DA204K K DA228U BU DA228K BU Absolute maximum ratings (Ta=25C) Type Peak reverse voltage VRM(V) 20 20 20 80 20 80 80 DC reverse voltage VR(V) 20 20 20 80 20 80 80 Peak forward current IFM(mA) 200 200 200 200 200 200 200 Mean rectifying current IO(mA) 100 100 100 100 100 100 100 Surge Power Junction current dissipation temperature (TOTAL) (1s) Isurge(mA) Pd(mW) Tj(C) 300 300 300 300 300 300 300 150 150 200 200 200 200 200 150 150 150 150 150 150 150 Storage temperature Tstg(C) -55 to +150 -55 to +150 -55 to +150 -55 to +150 -55 to +150 -55 to +150 -55 to +150 DA221M DA221 DA204U DA228U DA204K DA228K UMR12N Electrical characteristics (Ta=25C) Forward voltage Type VF(V) Max. 1.0 1.0 1.0 1.2 1.0 1.2 1.2 Cond. IF(mA) 10 10 10 100 10 100 100 Reverse current IR(A) Max. 0.1 0.1 0.1 0.1 0.1 0.1 0.1 Cond. VR(V) 15 15 15 80 15 80 80 1 to 4 1 to 4 1 to 4 5 to 9 1 to 4 5 to 9 5 to 9 Fig. DA221M DA221 DA204U DA228U DA204K DA228K UMR12N 2/4 DA221M/DA221/DA204U/DA204K/DA228U/DA228K/UMR12N Diodes Electrical characteristic curves (Ta=25C) (DA221, DA204U, DA204K) ...Fig.1 to 4 100 FORWARD CURRENT : IF (mA) FORWARD CURRENT : IF (mA) D1 D1+D2 100 D2 100 REVERSE CURRENT : IR (nA) D1 Ta=125C 10 10 10 D2 125C 1 Ta=125 C -25C 1 Ta=125C 75C 25C -25C 1 D1 100C D2 100C 75C 1.0 1.0 0.1 125 75C 25C -25C 25C D1 75C D2 75C C 0.01 0 0.4 0.8 1.2 1.6 2.0 2.4 0.01 0 0.4 0.8 1.2 1.6 2.0 2.4 0.01 0 5 10 15 20 FORWARD VOLTAGE : VF (V) FORWARD VOLTAGE : VF (V) REVERSE VOLTAGE : VR (V) Fig.1 Forward characteristics Fig.2 Forward characteristics Fig.3 Reverse characteristics CAPACITANCE BETWEEN TERMINALS : CT (pF) 10 f=1MHz 5 (D2) 2 1 (D1) (D1+D2) 0.5 1 2 5 10 20 REVERSE VOLTAGE : VR (V) Fig.4 Capacitance between terminals characteristics 3/4 DA221M/DA221/DA204U/DA204K/DA228U/DA228K/UMR12N Diodes (DA228U, DA228K, UMR12N) ...Fig.5 to 9 500 FORWARD CURRENT : IF (mA) D1 FORWARD CURRENT : IF (mA) 500 D2 REVERSE CURRENT : IR (nA) 10 D1 Ta=125C 100 Ta=125C 75C 25C -25C 1 Ta=75C 100 Ta=125C 75C 25C -25C 0.1 Ta=25C 10 10 0.01 Ta=-25C 0.001 1 0 0.5 1.0 1.5 1 0 0.2 0.4 0.6 0.8 1.0 1.2 0.0001 0 25 50 75 FORWARD VOLTAGE : VF (V) FORWARD VOLTAGE : VF (V) REVERSE VOLTAGE : VR (V) Fig.5 Forward characteristics Fig.6 Forward characteristics Fig.7 Reverse characteristics D2 CAPACITANCE BETWEEN TERMINALS : CT (pF) 10 10 f=1MHz REVERSE CURRENT : IR (nA) 1 Ta=125C 0.1 Ta=75C 0.01 Ta=25C D1 D2 0.001 Ta=-25C 0.0001 0 25 50 75 1 0 2 4 6 8 10 12 REVERSE VOLTAGE : VR (V) REVERSE VOLTAGE : VR (V) Fig.8 Reverse characteristics Fig.9 Capacitance between terminals characteristics 4/4 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 use silicon as a basic material. 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-Rev1.0 |
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