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35mW SURFACE MOUNT ENER DIODE Features Planar Die Construction 35mW Power Dissipation on FR-4 PCB General Purpose, Medium Current Ideally Suited for Automated Assembly Processes Lead Free/RoHS Compliant (Note 2) Mechanical Data Case: SOT-23 Case Material: Molded Plastic. UL Flammability Classification Rating 94V- Moisture Sensitivity: Level 1 per J-STD-2D Terminal Connections: See Diagram Terminals: Solderable per MIL-STD-22, Method 28 Lead Free Plating (Matte Tin Finish annealed over Alloy 42 leadframe). Marking Information: See Electrical Characteristics Table and Page 4 Ordering Information: See Page 4 Weight:.8 grams (approximate) K J A TOP VIEW G H D F B C L M SOT-23 Dim Min Max A.37.51 B 1.2 1.4 C 2.3 2.5 D.89 1.3 F.45.6 G 1.78 2.5 H 2.8 3. J.13. K.93 1. L.45.61 M.85.18 α 8 All Dimensions in mm Maximum Ratings @T A = 25 C unless otherwise specified Characteristic Symbol Value Unit Forward Voltage @ I F = ma V F.9 V Power Dissipation (Note 1) P D 35 mw Thermal Resistance, Junction to Ambient Air (Note 1) R θja 357 C/W Operating and Storage Temperature Range T J, T STG -65 to +15 C 1. Mounted on FR4 PC Board with recommended pad layout which can be found on our website at http:///datasheets/ap21.pdf 2. No purposefully added lead. DS1811 Rev. 18-2 1 of 4

Electrical Characteristics @T A = 25 C unless otherwise specified Type Number Type Code ener Voltage Range (Note 3) Maximum ener Impedance (Note 4) Maximum Reverse Leakage Current (Note 3) V @ I T I T T @ I K @ I K T I =.25mA R @ V R Nom (V) Min (V) Max (V) ma Ω μa V MMB5221B KC1 2.4 2.28 2.52 2 3 12 1. MMB5222B KC2 2.5 2.38 2.63 2 3 12 1. MMB5223B KC3 2.7 2.57 2.84 2 3 13 75 1. MMB5225B KC5 3. 2.85 3.15 2 3 16 5 1. MMB5226B KG1 3.3 3.14 3.47 2 28 16 25 1. MMB5227B KG2 3.6 3.42 3.78 2 24 17 15 1. MMB5228B KG3 3.9 3.71 4. 2 23 19 1. MMB5229B KG4 4.3 4.9 4.52 2 22 2 5. 1. MMB523B KG5/8E 4.7 4.47 4.94 2 19 19 5. 2. MMB5231B KE1 5.1 4.85 5.36 2 17 16 5. 2. MMB5232B KE2 5.6 5.32 5.88 2 11 16 5. 3. MMB5233B KE3 6. 5.7 6.3 2 7 16 5. 3.5 MMB5234B KE4 6.2 5.89 6.51 2 7 5. 4. MMB5235B KE5 6.8 6.46 7.14 2 5 75 3. 5. MMB5236B KF1/8L 7.5 7.13 7.88 2 6 5 3. 6. MMB5237B KF2 8.2 7.79 8.61 2 8 5 3. 6.5 MMB5238B KF3 8.7 8.27 9.14 2 8 6 3. 6.5 MMB5239B KF4 9.1 8.65 9.56 2 6 3. 7. MMB524B KF5 9.5.5 2 17 6 3. 8. MMB5241B KH1 11.45 11.55 2 22 6 2. 8.4 MMB5242B KH2/8S 12 11.4 12.6 2 3 6 1. 9.1 MMB5243B KH3 13 12.35 13.65 9.5 13 6.5 9.9 MMB5244B KH4 14 13.3 14.7 9. 15 6.1 MMB5245B KH5 15 14.25 15.75 8.5 16 6.1 11 MMB5246B KJ1 16 15.2 16.8 7.8 17 6.1 12 MMB5248B KJ3 18 17. 18.9 7. 21 6.1 14 MMB525B KJ5 2 19. 21. 6.2 25 6.1 15 MMB5251B KK1 22 2.9 23. 5.6 29 6.1 17 MMB5252B KK2 24 22.8 25.2 5.2 33 6.1 18 MMB5254B KK4 27 25.65 28.35 5. 41 6.1 21 MMB5255B KK5 28 26.6 29.4 4.5 44 6.1 21 MMB5256B KM1 3 28.5 31.5 4.2 49 6.1 23 MMB5257B KM2 33 31.35 34.65 3.8 58 7.1 25 MMB5258B KM3 36 34.2 37.8 3.4 7 7.1 27 MMB5259B KM4 39 37.5 4.95 3.2 8 8.1 3 3. Short duration pulse test used to minimize self-heating effect. 4. f = 1KHz. DS1811 Rev. 18-2 2 of 4

.4 T = 25 C j P D, POWER DISSIPATION (W).3.2.1 C T, TOTAL CAPACITANCE (pf) V = 2V R V = 1V R 15 1 T A, AMBIENT TEMPERATURE ( C) Fig. 1 Power Dissipation vs Ambient Temperature V, NOMINAL ENER VOLTAGE (V) Fig. 2 Total Capacitance vs Nominal ener Voltage 5 R CURRENT (ma) I, ENE 4 3 2 1 1 V, NOMINAL ENER VOLTAGE (V) Fig. 3 ener Voltage vs. ener Impedence 1 2 3 4 5 6 7 8 9 V, ENER VOLTAGE (V) Fig. 4 ener Breakdown Characteristics 3 T = 25 C j 12 I, ENER CURRENT (ma) 2 Test current I 15 18 Nominal ener Voltage 22 27 33 36 39 2 3 4 V, ENER VOLTAGE (V) Fig. 5 ener Breakdown Characteristics DS1811 Rev. 18-2 3 of 4

Ordering Information (Note 5) Device Packaging Shipping (Type Number)-7-F* SOT-23 3/Tape & Reel * Add -7-F to the appropriate type number in Table, Page 2 example: 6.2V ener = MMB5234B-7-F. 5. For packaging details, go to our website at http:///datasheets/ap27.pdf. Marking Information XXX YM xxx = Product Type Marking Code (See Page 2) YM = Date Code Marking Y = Year (ex: N = 22) M = Month (ex: 9 = September) Date Code Key Year 1998 1999 2 21 22 23 24 25 26 27 28 29 2 211 212 Code J K L M N P R S T U V W X Y Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Code 1 2 3 4 5 6 7 8 9 O N D IMPORTANT NOTICE Diodes Incorporated and its subsidiaries reserve the right to make modifications, enhancements, improvements, corrections or other changes without further notice to any product herein. Diodes Incorporated does not assume any liability arising out of the application or use of any product described herein; neither does it convey any license under its patent rights, nor the rights of others. The user of products in such applications shall assume all risks of such use and will agree to hold Diodes Incorporated and all the companies whose products are represented on our website, harmless against all damages. LIFE SUPPORT Diodes Incorporated products are not authorized for use as critical components in life support devices or systems without the expressed written approval of the President of Diodes Incorporated. DS1811 Rev. 18-2 4 of 4