1N5221B THRU 1N5278B
www.centralsemi.com
SILICON ZENER DIODES
500mW, 2.4 THRU 170 VOLT
DESCRIPTION:
5% TOLERANCE
The CENTRAL SEMICONDUCTOR 1N5221B series
silicon Zener diodes are highly reliable voltage regulators
designed for use in industrial, commercial, entertainment
and computer applications.
DO-35 CASE
MAXIMUM RATINGS: (T =75C) SYMBOL UNITS
L
Power Dissipation P 500 mW
D
Operating and Storage Junction Temperature T , T -65 to +200 C
J stg
V Tolerance: Part number with B suffix 5 %
Z
V Tolerance: Part number with C suffix 2 %
Z
V Tolerance: Part number with D suffix 1 %
Z
ELECTRICAL CHARACTERISTICS: (T =25C) V =1.1V MAX @ I =200mA (for all types)
A F F
ZENER MAXIMUM
MAXIMUM
TEST MAXIMUM ZENER
VOLTAGE REVERSE TEMPERATURE
CURRENT IMPEDANCE
COEFFICIENT
V @ I CURRENT
TYPE
Z ZT
MIN NOM MAX I Z @ I Z @ I I @ V V
ZT ZT ZT ZK ZK R R Z
V V V mA mA A V %/C
1N5221B 2.280 2.4 2.520 20 30 1200 0.25 100 1.0 -0.085
1N5222B 2.375 2.5 2.625 20 30 1250 0.25 100 1.0 -0.085
1N5223B 2.565 2.7 2.835 20 30 1300 0.25 75 1.0 -0.080
1N5224B 2.660 2.8 2.940 20 30 1400 0.25 75 1.0 -0.080
1N5225B 2.850 3.0 3.150 20 29 1600 0.25 50 1.0 -0.075
1N5226B 3.135 3.3 3.465 20 28 1600 0.25 25 1.0 -0.070
1N5227B 3.420 3.6 3.780 20 24 1700 0.25 15 1.0 -0.065
1N5228B 3.705 3.9 4.095 20 23 1900 0.25 10 1.0 -0.060
1N5229B 4.085 4.3 4.515 20 22 2000 0.25 5.0 1.0 0.055
1N5230B 4.465 4.7 4.935 20 19 1900 0.25 5.0 2.0 0.030
1N5231B 4.845 5.1 5.355 20 17 1600 0.25 5.0 2.0 0.030
1N5232B 5.320 5.6 5.880 20 11 1600 0.25 5.0 3.0 +0.038
1N5233B 5.700 6.0 6.300 20 7.0 1600 0.25 5.0 3.5 +0.038
1N5234B 5.890 6.2 6.510 20 7.0 1000 0.25 5.0 4.0 +0.045
1N5235B 6.460 6.8 7.140 20 5.0 750 0.25 3.0 5.0 +0.050
1N5236B 7.125 7.5 7.875 20 6.0 500 0.25 3.0 6.0 +0.058
1N5237B 7.790 8.2 8.610 20 8.0 500 0.25 3.0 6.5 +0.062
1N5238B 8.265 8.7 9.135 20 8.0 600 0.25 3.0 6.5 +0.065
1N5239B 8.645 9.1 9.555 20 10 600 0.25 3.0 7.0 +0.068
1N5240B 9.500 10 10.50 20 17 600 0.25 3.0 8.0 +0.075
1N5241B 10.45 11 11.55 20 22 600 0.25 2.0 8.4 +0.076
1N5242B 11.40 12 12.60 20 30 600 0.25 1.0 9.1 +0.077
1N5243B 12.35 13 13.65 9.5 13 600 0.25 0.5 9.9 +0.079
1N5244B 13.30 14 14.70 9.0 15 600 0.25 0.1 10 +0.082
1N5245B 14.25 15 15.75 8.5 16 600 0.25 0.1 11 +0.082
1N5246B 15.20 16 16.80 7.8 17 600 0.25 0.1 12 +0.083
R3 (11-September 2013)1N5221B THRU 1N5278B
SILICON ZENER DIODES
500mW, 2.4 THRU 170 VOLT
5% TOLERANCE
ELECTRICAL CHARACTERISTICS - Continued: (T =25C) V =1.1V MAX @ I =200mA (for all types)
A F F
ZENER MAXIMUM
MAXIMUM
TEST MAXIMUM ZENER
VOLTAGE REVERSE TEMPERATURE
CURRENT IMPEDANCE
COEFFICIENT
V @ I CURRENT
TYPE
Z ZT
MIN NOM MAX I Z @ I Z @ I I @ V V
ZT ZT ZT ZK ZK R R Z
V V V mA mA A V %/C
1N5247B 16.15 17 17.85 7.4 19 600 0.25 0.1 13 +0.084
1N5248B 17.10 18 18.90 7.0 21 600 0.25 0.1 14 +0.085
1N5249B 18.05 19 19.95 6.6 23 600 0.25 0.1 14 +0.086
1N5250B 19.00 20 21.00 6.2 25 600 0.25 0.1 15 +0.086
1N5251B 20.90 22 23.10 5.6 29 600 0.25 0.1 17 +0.087
1N5252B 22.80 24 25.20 5.2 33 600 0.25 0.1 18 +0.088
1N5253B 23.75 25 26.25 5.0 35 600 0.25 0.1 19 +0.089
1N5254B 25.65 27 28.35 4.6 41 600 0.25 0.1 21 +0.090
1N5255B 26.60 28 29.40 4.5 44 600 0.25 0.1 21 +0.091
1N5256B 28.50 30 31.50 4.2 49 600 0.25 0.1 23 +0.091
1N5257B 31.35 33 34.65 3.8 58 700 0.25 0.1 25 +0.092
1N5258B 34.20 36 37.80 3.4 70 700 0.25 0.1 27 +0.093
1N5259B 37.05 39 40.95 3.2 80 800 0.25 0.1 30 +0.094
1N5260B 40.85 43 45.15 3.0 93 900 0.25 0.1 33 +0.095
1N5261B 44.65 47 49.35 2.7 105 1000 0.25 0.1 36 +0.095
1N5262B 48.45 51 53.55 2.5 125 1100 0.25 0.1 39 +0.096
1N5263B 53.20 56 58.80 2.2 150 1300 0.25 0.1 43 +0.096
1N5264B 57.00 60 63.00 2.1 170 1400 0.25 0.1 46 +0.097
1N5265B 58.90 62 65.10 2.0 185 1400 0.25 0.1 47 +0.097
1N5266B 64.60 68 71.40 1.8 230 1600 0.25 0.1 52 +0.097
1N5267B 71.25 75 78.75 1.7 270 1700 0.25 0.1 56 +0.098
1N5268B 77.90 82 86.10 1.5 330 2000 0.25 0.1 62 +0.098
1N5269B 82.65 87 91.35 1.4 370 2200 0.25 0.1 68 +0.099
1N5270B 86.45 91 95.55 1.4 400 2300 0.25 0.1 69 +0.099
1N5271B 95.00 100 105.0 1.3 500 2600 0.25 0.1 76 +0.110
1N5272B 104.5 110 115.5 1.1 750 3000 0.25 0.1 84 +0.110
1N5273B 114.0 120 126.0 1.0 900 4000 0.25 0.1 91 +0.110
1N5274B 123.5 130 136.5 0.95 1100 4500 0.25 0.1 99 +0.110
1N5275B 133.0 140 147.0 0.90 1300 4500 0.25 0.1 106 +0.110
1N5276B 142.5 150 157.5 0.85 1500 5000 0.25 0.1 114 +0.110
1N5277B 152.0 160 168.0 0.80 1700 5500 0.25 0.1 122 +0.110
1N5278B 161.5 170 178.5 0.74 1900 5500 0.25 0.1 129 +0.110
DO-35 CASE - MECHANICAL OUTLINE
B A
C
D D
R3 (11-September 2013)
www.centralsemi.com