B320A - B360A

Document overview

  • Manufacturer or author: Diodes Incorporated
  • PDF pages: 7

Technical content

Features

  • Guard Ring Die Construction for Transient Protection
  • Ideally Suited for Automated Assembly
  • Low Power Loss, High Efficiency
  • Lead-Free Finish; RoHS Compliant (Notes 1 & 2)
  • Halogen and Antimony Free. “Green” Device (Note 3)
  • For automotive applications requiring specific change control (i.e.: parts qualified to AEC-Q100/101/104/200, PPAP capable, and manufactured in IATF 16949 certified facilities), please refer to the related automotive grade (Q-suffix) part. A listing can be found at https://www.diodes.com/products/automotive/automotive- products/.
  • This part is qualified to JEDEC standards (as references in AEC-Q) for High Reliability. https://www.diodes.com/quality/product-definitions/ Mechanical Data
  • Package: SMA
  • Package Material: Molded Plastic. “Green” Molding Compound. UL Flammability Classification 94V-0
  • Moisture Sensitivity: Level 1 per J-STD-020
  • Terminals: Lead Free Plating (Matte-Tin Finish). Solderable per MIL-STD-202, Method 208
  • Polarity: Cathode Band
  • Weight: 0.064 grams (Approximate) Ordering Information (Note 4) Orderable Part Number Package Packing Qty. Carrier B3XXA-13-F SMA 5,000 Tape & Reel * XX = Device Type, e.g. B320A-13-F (SMA Package). Marking Information (Note 5) Notes: 1. EU Directive 2002/95/EC (RoHS), 2011/65/EU (RoHS 2) & 2015/863/EU (RoHS 3) compliant. All applicable RoHS exemptions applied. 2. See http://www.diodes.com/quality/lead_free/ for more information about Diodes Incorporated’s definitions of Hal ogen- and Antimony-free, "Green" and Lead-free. 3. Halogen- and Antimony-free "Green” products are defined as those which contain <900ppm bromine, <900ppm chlorine (<1500ppm total Br + Cl) and <1000ppm antimony compounds. 4. For packaging details, go to our website at https://www.diodes.com/design/support/packaging/diodes -packaging/. 5. Device has a cathode band (as shown above) and may also have a cathode notch. Green Top View Bottom View B3x0A = Product Type Marking Code, ex: B320A = Manufacturers’ Code Marking YWW = Date Code Marking A Bar or Underline around the Date Code or Product Type Marking Code Denotes Assembly Site if Marked Y = Last Digit of Year (ex: 6 for 2026) WW = Week Code (01 to 53) SMA

Document number: DS30891 Rev. 19 - 2 2 of 7 www.diodes.com April 2026 © 2026 Copyright Diodes Incorporated. All Rights Reserved. B320A - B360A Maximum Ratings (@TA = +25° C, unless otherwise specified.) Single phase, half wave, 60Hz, resistive or inductive load. For capacitive load, derate current by 20%. Characteristic Symbol B320A B330A B340A B350A B360A Unit Peak Repetitive Reverse Voltage Working Peak Reverse Voltage DC Blocking Voltage VRRM VRWM VR 20 30 40 50 60 V Average Rectified Output Current @ TT = +100°C IO 3.0 A Non-Repetitive Peak Forward Surge Current 8.3ms Single Half Sine Wave Superimposed on Rated Load IFSM 80 A Thermal Characteristics Characteristic Symbol Value Unit Maximum Total Power Dissipation - Steady State, TA = +25° C (Note 6) PD 850 mW Typical Thermal Resistance, Junction to Ambient (Note 6) RθJA 140 °C/W Typical Thermal Resistance, Junction to Terminal (Note 7) RθJT 25 °C/W Typical Thermal Resistance, Junction to Ambient (Note 7) RθJA 100 °C/W Operating Temperature Range TJ -55 to +150 °C Storage Temperature Range TSTG -55 to +150 °C Electrical Characteristics (@TA = +25° C, unless otherwise specified.) Characteristic Symbol Min Typ Max Unit Test Condition Forward Voltage Drop B320A, B330A, B340A VF — — 0.50 V IF = 3.0A, TA = +25°C B350A, B360A — — 0.70 Leakage Current (Note 8) IR — — 0.5 mA @ Rated VR, TA = +25°C — — 20 @ Rated VR, TA = +100°C Total Capacitance CT — 200 — pF VR = 4V, f = 1MHz Notes: 6. Device mounted on FR-4 PCB, with minimum recommended pad layout. 7. Device mounted on glass epoxy substrate with 2mm x 3mm copper pad. 8. Short duration pulse test used to minimize self-heating effect.

Document number: DS30891 Rev. 19 - 2 3 of 7 www.diodes.com April 2026 © 2026 Copyright Diodes Incorporated. All Rights Reserved. B320A - B360A V , INSTANTANEOUS FORWARD VOLTAGE (V) Fig. 1 Typical Forward Characteristics - B320A thru B340A F I , INSTANTANEOUS FORWARD CURRENT (A)F0.01 0.1 100 T = 150 CA ° T = 125 CA ° T = 25 CA ° T = 75 CA ° T = 100 CA ° 0.001 0.01 0.1 100 20 40 60 80 100 V , PERCENT OF RATED REVERSE VOLTAGE (V) Fig. 3 Typical Reverse Characteristics, B320A thru B340A R I , INSTANTANEOUS REVERSE CURRENT (mA)R T = 25 CA ° T = 75 CA ° T = 100 CA ° T = 125 CA ° T = 150 CA ° C , TOTAL CAPACITANCE (pF)T V , DC REVERSE VOLTAGE (V) Fig. 5 Total Capacitance vs. Reverse Voltage R 0.0 100.0 200.0 300.0 400.0 500.0 0 1 10 100 f = 1 MHz T = 25 癈J 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 25 50 75 100 125 150 T , TERMINAL TEMPERATURE ( C)A ° Fig. 6 Forward Current Derating Curve I AVERAGE FORWARD CURRENT (A)F(AV), V , PERCENT OF RATED REVERSE VOLTAGE (V) R 0.001 0.01 0.1 100 20 40 60 80 100 I , I N S T A N T A N E O U S R E V E R S E C U R R E N T ( m A ) R T = 25° C A T = 85° C A T = 100° C A T = 125° C A T = 150° C A V, INSTANTANEOUS FORWARD VOLTAGE (V) Fig. 2 Typical Forward Characteristics - B350A thru B360A I , I N S T A N T A N E O U S F O R W A R D C U R R E N T ( A ) F T = -55° C A T = 85° C A T = 100° C A T = 125° C A T = 150° C A 0.01 0.1 100 T = 25° C A 25°C IF, INSTANTANEOUS FORWARD CURRENT (A) IR, INSTANTANEOUS REVERSE CURRENT (mA) Fig. 4 Typical Reverse Characteristics, B350A thru B360A

Document number: DS30891 Rev. 19 - 2 4 of 7 www.diodes.com April 2026 © 2026 Copyright Diodes Incorporated. All Rights Reserved. B320A - B360A t1, PULSE DURATION TIME (sec) Fig 9 Transient Thermal Resistance B320A-B340A r(t), TRANSIENT THERMAL RESISTANCE D = 0.5 D = 0.7 D = 0.9 D = 0.3 D = 0.1 D = 0.05 D = 0.02 D = 0.01 D = 0.005 D = Single Pulse R (t) = r(t) * R R = 140 癈 /W Duty Cycle, D = t1/ t2 JA JA JA 0.001 0.01 0.1 0.001 0.01 0.1 1 10 100 1000 10000 P(pk) Note 7 100 1 10 100 IFSM , PEAK FORWARD SURGE CURRENT (A) NUMBER OF CYCLES AT 60Hz Fig. 7 Max Non-Repetitive Peak Forward Surge Current 100 150 25 35 45 55 65 75 85 95 105 115 125 T , AMBIENT TEMPERATURE ( C) Fig. 8 Non-Repetitive Forward Surge Current Derating Curve A ° I , PEAK FORWARD SURGE CURRENT FSM (A) t1, PULSE DURATION TIME (sec) Fig 10 Transient Thermal Resistance B350A-B360A r(t), TRANSIENT THERMAL RESISTANCE D = 0.5 D = 0.7 D = 0.9 D = 0.3 D = 0.1 D = 0.05 D = 0.02 D = 0.01 D = 0.005 D = Single Pulse R (t) = r(t) * R R = 137 癈 /W Duty Cycle, D = t1/ t2 JA JA JA 0.001 0.01 0.1 0.001 0.01 0.1 1 10 100 1000 10000 P(pk) Note 7 140°C/W 137°C/W Single Half Sine Wave

Document number: DS30891 Rev. 19 - 2 5 of 7 www.diodes.com April 2026 © 2026 Copyright Diodes Incorporated. All Rights Reserved. B320A - B360A t , PULSE DURATION TIME (s)1 Fig. 11 Single Pulse Maximum Power Dissipation (B320A-B340A) P(pk), PEAK TRANSIENT POWER (W) 100 150 200 250 300 350 400 450 0.001 0.01 0.1 1 10 100 1000 10000 Single Pulse R = 140 癈 /W R (t) = r(t) * R T - T = P * R (t) Note 7 JA JA JA J A JA t , PULSE DURATION TIME (s)1 Fig. 12 Single Pulse Maximum Power Dissipation (B350A-B360A) P(pk), PEAK TRANSIENT POWER (W) 100 150 200 250 300 350 400 450 500 0.0001 0.01 1 100 10000 Single Pulse R = 137 癈 /W R (t) = r(t) * R T - T = P * R (t) Note 7 JA JA JA J A JA 140°C/W Note 6 137°C/W Note 6

Document number: DS30891 Rev. 19 - 2 6 of 7 www.diodes.com April 2026 © 2026 Copyright Diodes Incorporated. All Rights Reserved. B320A - B360A Package Outline Dimensions Please see http://www.diodes.com/package-outlines.html for the latest version. SMA SMA Dim Min Max A 2.29 2.92 B 4.00 4.60 C 1.27 1.63 D 0.15 0.31 E 4.80 5.59 G 0.05 0.20 H 0.76 1.52 J 1.96 2.40 All Dimensions in mm Suggested Pad Layout Please see http://www.diodes.com/package-outlines.html for the latest version. SMA Dimensions Value (in mm) C 4.00 G 1.50 X 2.50 X1 6.50 Y 1.70 C Y G X A C J G B E H D

Document number: DS30891 Rev. 19 - 2 7 of 7 www.diodes.com April 2026 © 2026 Copyright Diodes Incorporated. All Rights Reserved. B320A - B360A IMPORTANT NOTICE 1. DIODES INCORPORATED (Diodes) AND ITS SUBSIDIARIES MAKE NO WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, WITH REGARDS TO ANY INFORMATION CONTAINED IN THIS DOCUMENT, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR NON -INFRINGEMENT OF THIRD PARTY INTELLECTUAL PROPERTY RIGHTS (AND THEIR EQUIVALENTS UNDER THE LAWS OF ANY JURISDICTION). 2. The Information contained herein is for informational purpose only and is provided only to illustrate the operation of Diodes ’ products described herein and application examples. Diodes does not assume any liability arising out of the application or use of this document or any product described herein. This document is intended for skilled and technically trained engineering customers and users who d esign with Diodes’ products. Diodes’ products may be used to facilitate safety-related applications; however, in all instances customers and users are responsible for (a) selecting the appropriate Diodes products for their applications, (b) evaluating the suitability of Diodes’ products for their intended applications, (c) ensuring their applications, which incorporate Diodes’ products, comply the applicable legal and regulatory requirements as well as safety and functional-safety related standards, and (d) ensuring they design with appropriate safeguards (including testing, validation, quality co ntrol techniques, redundancy, malfunction prevention, and appropriate treatment for aging degradation) to minimize the risks associ ated with their applications. 3. Diodes assumes no liability for any application -related information, support, assistance or feedback that may be provided by Diodes from time to time. Any customer or user of this document or products described herein will assume all risks and liabilities associated with such use, and will hold Diodes and all companies whose products are represented herein or on Diodes’ websites, harmless against all dam ages and liabilities. 4. Products described herein may be covered by one or more United States, international or foreign patents and pending patent applications. Product names and markings noted herein may also be covered by one or more United States, international or fore ign trademarks and trademark applications. Diodes does not convey any license under any of its intellectual property rights or the rights of any third parties (including third parties whose products and services may be described in this document or on Diodes’ website) under this document. 5. 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