Leaded Type with Glass Outline ( Epitaxial Planar )
    Part No. Electical Characteristics ( Ta=25oC) Typical
Application Case Vz IzT ZZT ZZK* IR Max. @VR Temperature
    ( V ) ( mA ) (Ω) (Ω) (μA) VR(V) Coefficient (%/K)
500mW Zener Diodes DO-35 Glass 1N5221B 2.4 20 30 1200 100 1.0 -0.085
1N5222B 2.5 20 30 1250 100 1.0 -0.085
1N5223B 2.7 20 30 1300 75 1.0 -0.080
1N5224B 2.8 20 30 1400 75 1.0 -0.080
1N5225B 3.0 20 30 1600 50 1.0 -0.075
1N5226B 3.3 20 28 1600 25 1.0 -0.070
1N5227B 3.6 20 24 1700 15 1.0 -0.065
1N5228B 3.9 20 23 1900 10 1.0 -0.060
1N5229B 4.3 20 22 2000 5.0 1.0 -0.055
1N5230B 4.7 20 19 1900 5.0 2.0 +-0.030
1N5231B 5.1 20 17 1600 5.0 2.0 +-0.030
1N5232B 5.6 20 11 1600 5.0 3.0 +0.038
1N5233B 6.0 20 7 1600 5.0 3.5 +0.038
1N5234B 6.2 20 7 1600 5.0 4.0 +0.045
1N5235B 6.8 20 5 1000 3.0 5.0 +0.050
1N5236B 7.5 20 6 750 3.0 6.0 +0.058
1N5237B 8.2 20 8 500 3.0 6.5 +0.062
1N5238B 8.7 20 8 500 3.0 6.5 +0.065
1N5239B 9.1 20 10 600 3.0 7.0 +0.068
1N5240B 10 20 17 600 3.0 8.0 +0.075
1N5241B 11 20 22 600 2.0 8.4 +0.076
1N5242B 12 20 30 600 1.0 9.1 +0.077
1N5243B 13 9.5 13 600 0.5 9.9 +0.079
1N5244B 14 9.0 15 600 0.1 10 +0.082
1N5245B 15 8.5 16 600 0.1 11 +0.082
1N5246B 16 7.8 17 600 0.1 12 +0.083
1N5247B 17 7.4 19 600 0.1 13 +0.084
1N5248B 18 7.0 21 600 0.1 14 +0.085
1N5249B 19 6.6 23 600 0.1 14 +0.086
1N5250B 20 6.2 25 600 0.1 15 +0.086
1N5251B 22 5.6 29 600 0.1 17 +0.087
1N5252B 24 5.2 33 600 0.1 18 +0.087
1N5253B 25 5.0 35 600 0.1 19 +0.089
1N5254B 27 4.6 41 600 0.1 21 +0.090
1N5255B 28 4.5 44 600 0.1 21 +0.091
1N5256B 30 4.2 49 600 0.1 23 +0.091
1N5257B 33 3.8 58 700 0.1 25 +0.092
1N5258B 36 3.4 70 700 0.1 27 +0.093
1N5259B 39 3.2 80 800 0.1 30 +0.094
1N5260B 43 3.0 93 900 0.1 33 +0.095
1N5261B 47 2.7 105 1000 0.1 36 +0.095
1N5262B 51 2.5 125 1100 0.1 39 +0.096
1N5263B 56 2.2 150 1300 0.1 43 +0.096
1N5264B 60 2.1 170 1400 0.1 46 +0.097
1N5265B 62 2.0 185 1400 0.1 47 +0.097
1N5266B 68 1.8 230 1600 0.1 52 +0.097
1N5267B 75 1.7 270 1700 0.1 56 +0.098
* @Izk=0.25mA
The type number listed have zener voltage with a standard tolerance on the nominal zener voltage 5%
                     
    Part No. Electical Characteristics ( Ta=25oC)
Application Case Vz (Volts) IzT ZZT Izm IR Max. @VR
    Min. Nom. Max. ( mA ) (Ω) (mA) (μA) VR(V)
500mW Zener Diodes DO-35 Glass  1N4370A 2.28 2.4 2.5 20.0 30 150 100 1
1N4371A 2.57 2.7 2.8 20.0 30 135 75 1
1N4372A 2.85 3.0 3.2 20.0 29 120 50 1
1N746A 3.14 3.3 3.5 20.0 28 110 10 1
1N747A 3.42 3.6 3.8 20.0 24 100 10 1
1N748A 3.71 3.9 4.1 20.0 23 95 10 1
1N749A 4.09 4.3 4.5 20.0 22 85 2 1
1N750A 4.47 4.7 4.9 20.0 19 75 2 1
1N751A 4.85 5.1 5.4 20.0 17 70 1 1
1N752A 5.32 5.6 5.9 20.0 11 65 1 1
1N753A 5.89 6.2 6.5 20.0 7 60 0.1 1
1N754A 6.46 6.8 7.1 20.0 5 55 0.1 1
1N755A 7.13 7.5 7.9 20.0 6 50 0.1 1
1N756A 7.79 8.2 8.6 20.0 8 45 0.1 1
1N757A 8.65 9.1 9.6 20.0 10 40 0.1 1
1N758A 9.5 10 10.5 20.0 17 35 0.1 1
1N759A 11.4 12 12.6 20.0 30 30 0.1 1
The type number listed have zener voltage min/max limits as shown and have a standard tolerance on the nominal zener voltage 5%
                     
    Part No. Electical Characteristics ( Ta=25oC) Temp. Coefficient  
Application Case Vz(Min) Vz(Max) IzT ZZT ZZK(4) IR Max. @VR at IzT (%/K)
    ( V ) (V) ( mA ) (Ω) (Ω) (μA) VR(V) Min.  Max.
500mW Zener Diodes DO-35  Glass BZX55-C2V4 2.28 2.56 5.0 85 600 50 1 -0.08 -0.06
BZX55-C2V7 2.50 2.90 5.0 75 600 10 1 -0.08 -0.06
BZX55-C3V0 2.80 3.20 5.0 80 600 4 1 -0.08 -0.06
BZX55-C3V3 3.10 3.50 5.0 80 600 2 1 -0.08 -0.05
BZX55-C3V6 3.40 3.80 5.0 80 600 2 1 -0.08 -0.04
BZX55-C3V9 3.70 4.10 5.0 80 600 2 1 -0.07 -0.03
BZX55-C4V3 4.00 4.60 5.0 75 600 1 1 -0.04 -0.01
BZX55-C4V7 4.40 5.00 5.0 60 600 0.5 1 -0.03 +0.01
BZX55-C5V1 4.80 5.40 5.0 35 550 0.1 1 -0.02 +0.05
BZX55-C5V6 5.20 6.00 5.0 25 450 0.1 1 -0.01 +0.06
BZX55-C6V2 5.80 6.60 5.0 10 200 0.1 2 0 +0.07
BZX55-C6V8 6.40 7.20 5.0 8 150 0.1 3 +0.01 +0.08
BZX55-C7V5 7.00 7.90 5.0 7.0 50 0.1 5 +0.01 +0.09
BZX55-C8V2 7.70 8.70 5.0 7.0 50 0.1 6 +0.01 +0.09
BZX55-C9V1 8.50 9.60 5.0 10 50 0.1 7 +0.02 +0.10
BZX55-C10 9.40 10.60 5.0 15 70 0.1 7.5 +0.03 +0.11
BZX55-C11 10.40 11.60 5.0 20 70 0.1 8.5 +0.03 +0.11
BZX55-C12 11.40 12.70 5.0 20 90 0.1 9.0 +0.03 +0.11
BZX55-C13 12.40 14.10 5.0 26 110 0.1 10 +0.03 +0.11
BZX55-C15 13.80 15.60 5.0 30 110 0.1 11 +0.03 +0.11
BZX55-C16 15.30 17.10 5.0 40 170 0.1 12 +0.03 +0.11
BZX55-C18 16.80 19.10 5.0 50 170 0.1 14 +0.03 +0.11
BZX55-C20 18.80 21.20 5.0 55 220 0.1 15 +0.03 +0.11
BZX55-C22 20.80 23.30 5.0 55 220 0.1 17 +0.03 +0.12
BZX55-C24 22.80 25.60 5.0 80 220 0.1 18 +0.04 +0.12
BZX55-C27 25.10 28.90 5.0 80 250 0.1 20 +0.04 +0.12
BZX55-C30 28.00 32.00 5.0 80 250 0.1 22 +0.04 +0.12
BZX55-C33 31.00 35.00 5.0 80 250 0.1 24 +0.04 +0.12
BZX55-C36 34.00 38.00 5.0 80 220 0.1 27 +0.04 +0.12
BZX55-C39 37.00 41.00 5.0 90 500 0.1 28 +0.04 +0.12
BZX55-C43 40.00 46.00 5.0 90 600 0.1 32 +0.04 +0.12
BZX55-C47 44.00 50.00 5.0 110 700 0.1 35 +0.04 +0.12
BZX55-C51 48.00 54.00 5.0 125 700 0.1 38 +0.04 +0.12
BZX55-C56 52.00 60.00 2.5 135 1000 0.1 42 +0.1
BZX55-C62 58.00 66.00 2.5 150 1000 0.1 47 +0.1
BZX55-C68 64.00 72.00 2.5 200 1000 0.1 51 +0.1
BZX55-C75 70.00 79.00 2.5 250 1000 0.1 56 +0.1
1. Tested with pulse tp=5mS
2. Valid provided that leads are kept at ambient temperature at a distance of 8 mm from case
3. At Iz=2.5mA for the Vz & Zzk of C39 thru C75 & for the Temperature Coefficient of C56 thru C75 
4. Izk=1mA for C2V4 thru C36 and Izk=0.5mA for C39 thru C75
                       
    Part No. Electical Characteristics ( Ta=25oC) Temp. Coefficient  
Application Case Vz(Min) Vz(Max) IzT ZZT ZZK(4) IR Max. @VR at IzT (%/K)
    ( V ) (V) ( mA ) (Ω) (Ω) (μA) VR(V) Min.  Max.
500mW Zener Diodes DO-35  Glass BZX79-C2V4 2.2 2.6 5 100 600 0.05 1 -0.08 -0.06
BZX79-C2V7 2.5 2.9 5 100 600 0.02 1 -0.08 -0.06
BZX79-C3V0 2.8 3.2 5 95 600 0.01 1 -0.08 -0.06
BZX79-C3V3 3.1 3.5 5 95 600 5 1 -0.08 -0.05
BZX79-C3V6 3.4 3.8 5 90 600 5 1 -0.08 -0.04
BZX79-C3V9 3.7 4.1 5 90 600 3 1 -0.07 -0.03
BZX79-C4V3 4.0 4.6 5 90 600 3 1 -0.04 -0.01
BZX79-C4V7 4.4 5 5 80 500 3 1 -0.03 +0.01
BZX79-C5V1 4.8 5.4 5 60 480 2 1 -0.02 +0.05
BZX79-C5V6 5.2 6 5 40 400 1 1 -0.01 +0.06
BZX79-C6V2 5.8 6.6 5 10 150 3 2 0 +0.07
BZX79-C6V8 6.4 7.2 5 15 80 2 3 +0.01 +0.08
BZX79-C7V5 7.0 7.9 5 15 80 1 5 +0.01 +0.09
BZX79-C8V2 7.7 8.7 5 15 80 0.7 6 +0.01 +0.09
BZX79-C9V1 8.5 9.6 5 15 100 0.5 7 +0.02 +0.09
BZX79-C10 9.4 10.6 5 20 150 0.2 7.5 +0.03 +0.10
BZX79-C11 10.4 11.6 5 20 150 0.1 8.5 +0.03 +0.11
BZX79-C12 11.4 12.7 5 25 150 0.1 9 +0.03 +0.11
BZX79-C13 12.4 14.4 5 30 170 0.1 10 +0.03 +0.11
BZX79-C15 13.8 15.6 5 30 200 0.05 11 +0.03 +0.11
BZX79-C16 15.3 17.1 5 40 200 0.05 12 +0.03 +0.11
BZX79-C18 16.8 19.1 5 45 225 0.05 14 +0.03 +0.11
BZX79-C20 16.8 21.2 5 55 225 0.05 15 +0.03 +0.11
BZX79-C22 20.8 23.2 5 55 250 0.05 17 +0.03 +0.11
BZX79-C24 22.8 25.6 5 70 250 0.05 18 +0.04 +0.12
BZX79-C27 25.1 28.9 5 80 300 0.05 20 +0.04 +0.12
BZX79-C30 28.0 32 5 80 300 0.05 22 +0.04 +0.12
BZX79-C33 31.0 35 5 80 325 0.05 24 +0.04 +0.12
BZX79-C36 34.0 38 5 90 350 0.05 27 +0.04 +0.12
BZX79-C39 37.0 41 5 130 350 0.05 28 +0.04 +0.12
BZX79-C43 40.0 46 5 150 375 0.05 32 +0.04 +0.12
BZX79-C47 44.0 50 5 170 375 0.05 35 +0.04 +0.12
BZX79-C51 48.0 54 5 180 400 0.05 38 +0.04 +0.12
BZX79-C56 52.0 60 5 200 425 0.05 39 +0.01
BZX79-C62 58.0 66 5 215 450 0.05 43 +0.01
BZX79-C68 64.0 72 5 240 475 0.05 48 +0.01
BZX79-C75 70.0 79 5 255 500 0.05 53 +0.01
1. Tested with pulse tp=5mS                    
2. Valid provided that leads are kept at ambient temperature at a distance of 8 mm from case
3. At Iz=2.0mA for the Zzt of C27 thru C75 
4. Izk=1mA for C2V4 thru C24 and Izk=0.5mA for C27 thru C75
                 
    Part No. Electical Characteristics ( Ta=25oC) Surge  
Application Case Vz IzT ZZT ZZK IZK IR Max. @VR Current
    ( V ) ( mA ) (Ω) (Ω) ( mA ) (μA) VR(V) ( mA )
1000mW Zener Diodes DO-41  Glass 1N4728A 3.3 76 10.0 400 1.0 100 1.0 1380
1N4729A 3.6 69 10.0 400 1.0 100 1.0 1260
1N4730A 3.9 64 9.0 400 1.0 50 1.0 1190
1N4731A 4.3 58 9.0 400 1.0 10 1.0 1070
1N4732A 4.7 53 8.0 500 1.0 10 1.0 970
1N4733A 5.1 49 7.0 550 1.0 10 1.0 890
1N4734A 5.6 45 5.0 600 1.0 10 2.0 810
1N4735A 6.2 41 2.0 700 1.0 10 3.0 730
1N4736A 6.8 37 3.5 700 1.0 10 4.0 660
1N4737A 7.5 34 4.0 700 0.5 10 5.0 605
1N4738A 8.2 31 4.5 700 0.5 10 6.0 550
1N4739A 9.1 28 5.0 700 0.5 10 7.0 500
1N4740A 10 25 7.0 700 0.25 10 7.6 454
1N4741A 11 23 8.0 700 0.25 5 8.4 414
1N4742A 12 21 9.0 700 0.25 5 9.1 380
1N4743A 13 19 10.0 700 0.25 5 9.9 344
1N4744A 15 17 14.0 700 0.25 5 11.4 304
1N4745A 16 15.5 16.0 700 0.25 5 12.2 285
1N4746A 18 14.0 20.0 750 0.25 5 13.7 250
1N4747A 20 12.5 22.0 750 0.25 5 15.2 225
1N4748A 22 11.5 23.0 750 0.25 5 16.7 205
1N4749A 24 10.5 25.0 750 0.25 5 18.2 190
1N4750A 27 9.5 35.0 750 0.25 5 20.6 170
1N4751A 30 8.5 40.0 1000 0.25 5 22.8 150
1N4752A 33 7.5 45.0 1000 0.25 5 25.1 135
1N4753A 36 7.0 50.0 1000 0.25 5 27.4 125
1N4754A 39 6.5 60.0 1000 0.25 5 29.7 115
1N4755A 43 6.0 70.0 1500 0.25 5 32.7 110
1N4756A 47 5.5 80.0 1500 0.25 5 35.8 95
1N4757A 51 5.0 95.0 1500 0.25 5 38.8 90
1N4758A 56 4.5 110.0 2000 0.25 5 42.6 80
1N4759A 62 4.0 125.0 2000 0.25 5 47.1 70
1N4760A 68 3.7 150.0 2000 0.25 5 51.7 65
1N4761A 75 3.3 175.0 2000 0.25 5 56.0 60
1N4762A 82 3.0 200.0 3000 0.25 5 62.2 55
1N4763A 91 2.8 250.0 3000 0.25 5 69.2 50
1N4764A 100 2.5 350.0 3000 0.25 5 76.0 45
The type number listed have zener voltage with a standard tolerance on the nominal zener voltage 5%