1N4728A THRU 1N4764A www.centralsemi.com SILICON ZENER DIODES 1.0 WATT, 3.3 THRU 100 VOLT DESCRIPTION: 5% TOLERANCE The CENTRAL SEMICONDUCTOR 1N4728A series silicon Zener diode is a highly reliable voltage regulator designed for use in industrial, commercial, entertainment and computer applications. MARKING: FULL PART NUMBER Central DO-41 CASE MAXIMUM RATINGS: SYMBOL UNITS Power Dissipation (TA=50°C) PD 1.0 W Operating and Storage Temperature TJ, Tstg -65 to +200 °C ELECTRICAL CHARACTERISTICS: (TA=25°C) VF=1.2V MAX @ IF=200mA (for all types) MAXIMUM ZENER MAXIMUM MAXIMUM TEST MAXIMUM TEMPERATURE VOLTAGE REVERSE DC CURRENT ZENER IMPEDANCE COEFFICIENT TYPE VZ @ IZT CURRENT CURRENT @ IZT MIN NOM MAX IZT ZZT @ IZT ZZK @ IZK IR @ VR IZM ΘVZ V V V mA Ω Ω mA μA V mA % / °C 1N4728A 3.135 3.3 3.465 76 10 400 1.0 100 1.0 1380 -0.08 to -0.05 1N4729A 3.420 3.6 3.780 69 10 400 1.0 100 1.0 1260 -0.08 to -0.05 1N4730A 3.705 3.9 4.095 64 9.0 400 1.0 50 1.0 1190 -0.07 to -0.02 1N4731A 4.085 4.3 4.515 58 9.0 400 1.0 10 1.0 1070 -0.07 to -0.01 1N4732A 4.465 4.7 4.935 53 8.0 500 1.0 10 1.0 970 -0.03 to +0.04 1N4733A 4.845 5.1 5.355 49 7.0 550 1.0 10 1.0 890 -0.01 to +0.04 1N4734A 5.320 5.6 5.880 45 5.0 600 1.0 10 2.0 810 0 to +0.045 1N4735A 5.890 6.2 6.510 41 2.0 700 1.0 10 3.0 730 +0.01 to +0.055 1N4736A 6.460 6.8 7.140 37 3.5 700 1.0 10 4.0 660 +0.015 to +0.06 1N4737A 7.125 7.5 7.875 34 4.0 700 0.5 10 5.0 605 +0.02 to +0.065 1N4738A 7.790 8.2 8.610 31 4.5 700 0.5 10 6.0 550 +0.03 to +0.07 1N4739A 8.645 9.1 9.555 28 5.0 700 0.5 10 7.0 500 +0.035 to +0.075 1N4740A 9.500 10 10.50 25 7.0 700 0.25 10 7.6 454 +0.04 to +0.08 1N4741A 10.45 11 11.55 23 8.0 700 0.25 5.0 8.4 414 +0.045 to +0.08 1N4742A 11.40 12 12.60 21 9.0 700 0.25 5.0 9.1 380 +0.045 to +0.085 1N4743A 12.35 13 13.65 19 10 700 0.25 5.0 9.9 344 +0.05 to +0.085 1N4744A 14.25 15 15.75 17 14 700 0.25 5.0 11.4 304 +0.055 to +0.09 1N4745A 15.20 16 16.80 15.5 16 700 0.25 5.0 12.2 285 +0.055 to +0.09 1N4746A 17.10 18 18.90 14 20 750 0.25 5.0 13.7 250 +0.06 to +0.09 1N4747A 19.00 20 21.00 12.5 22 750 0.25 5.0 15.2 225 +0.06 to +0.09 1N4748A 20.90 22 23.10 11.5 23 750 0.25 5.0 16.7 205 +0.06 to +0.095 1N4749A 22.80 24 25.20 10.5 25 750 0.25 5.0 18.2 190 +0.06 to +0.095 1N4750A 25.65 27 28.35 9.5 35 750 0.25 5.0 20.6 170 +0.06 to +0.095 R2 (14-October 2013)

1N4728A THRU 1N4764A SILICON ZENER DIODES 1.0 WATT, 3.3 THRU 100 VOLT 5% TOLERANCE ELECTRICAL CHARACTERISTICS - Continued: (TA=25°C) VF=1.2V MAX @ IF=200mA (for all types) MAXIMUM ZENER MAXIMUM MAXIMUM TEST MAXIMUM TEMPERATURE VOLTAGE REVERSE DC CURRENT ZENER IMPEDANCE COEFFICIENT TYPE VZ @ IZT CURRENT CURRENT @ IZT MIN NOM MAX IZT ZZT @ IZT ZZK @ IZK IR @ VR IZM ΘVZ V V V mA Ω Ω mA μA V mA % / °C 1N4751A 28.50 30 31.50 8.5 40 1.0K 0.25 5.0 22.8 150 +0.06 to +0.095 1N4752A 31.35 33 34.65 7.5 45 1.0K 0.25 5.0 25.1 135 +0.06 to +0.095 1N4753A 34.20 36 37.80 7.0 50 1.0K 0.25 5.0 27.4 125 +0.06 to +0.095 1N4754A 37.05 39 40.95 6.5 60 1.0K 0.25 5.0 29.7 115 +0.06 to +0.095 1N4755A 40.85 43 45.15 6.0 70 1.5K 0.25 5.0 32.7 110 +0.06 to +0.095 1N4756A 44.65 47 49.35 5.5 80 1.5K 0.25 5.0 35.8 95 +0.06 to +0.095 1N4757A 48.45 51 53.55 5.0 95 1.5K 0.25 5.0 38.8 90 +0.06 to +0.095 1N4758A 53.20 56 58.80 4.5 110 2.0K 0.25 5.0 42.6 80 +0.06 to +0.095 1N4759A 58.90 62 65.10 4.0 125 2.0K 0.25 5.0 47.1 70 +0.06 to +0.095 1N4760A 64.60 68 71.40 3.7 150 2.0K 0.25 5.0 51.7 65 +0.06 to +0.095 1N4761A 71.25 75 78.75 3.3 175 2.0K 0.25 5.0 56.0 60 +0.06 to +0.095 1N4762A 77.90 82 86.10 3.0 200 3.0K 0.25 5.0 62.2 55 +0.06 to +0.095 1N4763A 86.45 91 95.55 2.8 250 3.0K 0.25 5.0 69.2 50 +0.06 to +0.095 1N4764A 95.00 100 105.0 2.5 350 3.0K 0.25 5.0 76.0 45 +0.06 to +0.095 DO-41 CASE - MECHANICAL OUTLINE R2 R2 (14-October 2013) www.centralsemi.com

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PDN01045 8/19/16 2/19/17 http://www.centralsemi.com 8/19/17 Summary:The 1N4728A, 1N4729A, 1N4730A, and 1N4731A, 1 watt Zener diodes in the DO-41 case are discontinued and now classified as End of Life (EOL). Although Central Semiconductor Corp. makes every effort to continue to produce devices that have been proclaimed EOL (End of Life) by various manufacturers, it is an accepted industry practice to discontinue certain devices when customer demand falls below a minimum level of sustainability. Accordingly, the following product(s) have been transitioned to End of Life status as part of Central's Product Management Process. Any replacement product will be noted below. The effective date for placing the last purchase order will be six(6) months from the date of this notice and twelve(12) months from the notice date for final shipments; this may be extended if inventory is available. C__en_t_r_al_ P_a_r_t_ N_u_m_b_e_r_ _ _ _ _ ___R___e_p_l_a_ce_m__en_t_ _ _ _ _ _ _ _ ________ 1N4728A BK N/A 1N4728A TR N/A 1N4729A BK N/A 1N4729A TR N/A 1N4730A BK N/A 1N4730A TR N/A 1N4730C BK N/A 1N4731A BK N/A 1N4731A TR N/A Central would be happy to assist you by providing additional information or technical data to help locate an alternate source if we have no replacement available. Please email your requests to engineering@centralsemi.com.

PDN01010 Rev:001 2/15/19 5/02/16 http://www.centralsemi.com 11/02/16 Summary:1 watt, high voltage (75V thru 100V), glass body Zener diodes manufactured in the DO-41 and MELF packages are discontinued and now classified as End of Life (EOL). Rev:001 of PDN#010010, February 15, 2019, is being issued to add 1N4761A omitted from the original PDN. Although Central Semiconductor Corp. makes every effort to continue to produce devices that have been proclaimed EOL (End of Life) by other manufacturers, it is an accepted industry practice to discontinue certain devices when customer demand falls below a minimum level of sustainability. Accordingly, the following product(s) have been transitioned to End of Life status as part of Central's ongoing Product Management Process. Any replacement products are noted below. The effective date for placing last purchase orders will be six (6) months from the date of this notice and twelve (12) months from the notice date for final shipments, and minimum order quantities may apply. The last purchase and shipment dates may be extended if inventory is available. Central Part Number Replacement CLL4762A BK N/A, Stock Only CLL4762A TR N/A, Stock Only CLL4762C BK N/A, Stock Only CLL4762C TR N/A, Stock Only CLL4763A BK N/A, Stock Only CLL4763A TR N/A, Stock Only CLL4764 TR N/A, Stock Only CLL4764A BK N/A, Stock Only CLL4764A TR N/A, Stock Only 1N4761A BK N/A, Stock Only 1N4761A TR N/A, Stock Only 1N4762A BK N/A, Stock Only 1N4762A TR N/A, Stock Only 1N4763A BK N/A, Stock Only 1N4763A TR N/A, Stock Only 1N4764 BK N/A, Stock Only 1N4764 TR N/A, Stock Only 1N4764A BK N/A, Stock Only 1N4764A TR N/A, Stock Only Central would be happy to assist you by providing additional information or technical data to help locate an alternate source if we have no replacement available. Please email your requests to engineering@centralsemi.com.

Mouser Electronics Authorized Distributor Click to View Pricing, Inventory, Delivery & Lifecycle Information: C entral Semiconductor: 1N4731A 1N4733A 1N4737A 1N4738A TR 1N4739A 1N4742A 1N4743A 1N4744A 1N4746A 1N4747A TR 1N4753A 1N4755A 1N4756A 1N4762A 1N4750A 1N4757A 1N4750A TR 1N4740A TR 1N4757A TR 1N4754A TR 1N4761A TR 1N4734A TR 1N4745A BK 1N4739A BK 1N4756A TR 1N4745A TR 1N4739A TR 1N4741A BK 1N4733A BK 1N4748A BK 1N4759A TR 1N4760A BK 1N4741A TR 1N4753A TR 1N4731A TR 1N4742A BK 1N4749A TR 1N4744A BK 1N4738A BK 1N4750A BK 1N4747A BK 1N4744A TR 1N4761A BK 1N4749A BK 1N4731A BK 1N4751A TR 1N4740A BK 1N4728A BK 1N4734A BK 1N4732A BK 1N4732A TR 1N4751A BK 1N4728A TR 1N4746A TR 1N4760A TR 1N4748A TR 1N4746A BK 1N4750