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Details, datasheet, quote on part number:1N5221B
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Datasheet text preview:
1N5221B - 1N5267B
500mW EPITAXIAL ZENER DIODE Features
· · · · · 500mW Power Dissipation High Stability Low Noise Surface Mount Equivalents Available Hemetic Package
A
B
A
D
C
Mechanical Data
· · · · · Case: DO-35, Glass Terminals: Solderable per MIL-STD-202, Method 208 Polarity: Cathode Band Marking: Type Number Weight: 0.13 grams (approx.)
DO-35 Dim A B C D Min 25.40 ¾ ¾ ¾ Max ¾ 4.00 0.60 2.00
All Dimensions in mm
Maximum Ratings and Electrical Characteristics
Characteristic Power Dissipation (Note 1) Thermal Resistance, Junction to Ambient Air (Note 1) Forward Voltage @ IF = 200mA Pd RqJA VF
@ TA = 25°C unless otherwise specified Value 500 300 1.5 -65 to +175 Unit mW °C/W V °C
Symbol
Operating and Storage Temperature Range Notes:
Tj, TSTG
1. Valid provided that leads are kept at TL £ 75°C with lead length = 9.5mm (3/8") from case; derate above 75°C.
DS18006 Rev. 13 - 2
1 of 3
1N5221B - 1N5267B
Electrical Characteristics
Type Number Nom (V) 1N5221B 1N5222B 1N5223B 1N5224B 1N5225B 1N5226B 1N5227B 1N5228B 1N5229B 1N5230B 1N5231B 1N5232B 1N5233B 1N5234B 1N5235B 1N5236B 1N5237B 1N5238B 1N5239B 1N5240B 1N5241B 1N5242B 1N5243B 1N5244B 1N5245B 1N5246B 1N5247B 1N5248B 1N5249B 1N5250B 1N5251B 1N5252B 1N5253B 1N5254B 1N5255B 1N5256B 1N5257B 1N5258B 1N5259B 1N5260B 1N5261B 1N5262B 1N5263B 1N5264B 1N5265B 1N5266B 1N5267B Notes: 2.4 2.5 2.7 2.8 3.0 3.3 3.6 3.9 4.3 4.7 5.1 5.6 6.0 6.2 6.8 7.5 8.2 8.7 9.1 10 11 12 13 14 15 16 17 18 19 20 22 24 25 27 28 30 33 36 39 43 47 51 56 60 62 68 75
@ TA = 25°C unless otherwise specified Test Current IZT Max (V) 2.52 2.63 2.84 2.94 3.15 3.47 3.78 4.10 4.52 4.94 5.36 5.88 6.30 6.51 7.14 7.88 8.61 9.14 9.56 10.50 11.55 12.60 13.65 14.70 15.75 16.80 17.85 18.90 19.95 21.00 23.10 25.20 26.25 28.35 29.40 31.50 34.65 37.80 40.95 45.15 49.35 53.55 58.80 63.00 65.10 71.40 78.75 mA 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 9.5 9.0 8.5 7.8 7.4 7.0 6.6 6.2 5.6 5.2 5.0 4.6 4.5 4.2 3.8 3.4 3.2 3.0 2.7 2.5 2.2 2.1 2.0 1.8 1.7 Maximum Zener Impedance ZZT @ IZT W 30 30 30 30 29 28 24 23 22 19 17 11 7.0 7.0 5.0 6.0 8.0 8.0 10 17 22 30 13 15 16 17 19 21 23 25 29 33 35 41 44 49 58 70 80 93 105 125 150 170 185 230 270 ZZK @ IZK = 0.25mA W 1200 1250 1300 1400 1600 1600 1700 1900 2000 1900 1600 1600 1600 1000 750 500 500 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 700 700 800 900 1000 1100 1300 1400 1400 1600 1700 Maximum Reverse Current IR µA 100 100 75 75 50 25 15 10 5.0 5.0 5.0 5.0 5.0 5.0 3.0 3.0 3.0 3.0 3.0 3.0 2.0 1.0 0.5 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 @VR V 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 2.0 2.0 3.0 3.5 4.0 5.0 6.0 6.5 6.5 7.0 8.0 8.4 9.1 9.9 10 11 12 13 14 14 15 17 18 19 21 21 23 25 27 30 33 36 39 43 46 47 52 56 Typical Temperature Coefficient @ IZT %/°C -0.085 -0.085 -0.080 -0.080 -0.075 -0.070 -0.065 -0.060 -0.055 ±0.030 ±0.030 +0.038 +0.038 +0.045 +0.050 +0.058 +0.062 +0.065 +0.068 +0.075 +0.076 +0.077 +0.079 +0.082 +0.082 +0.083 +0.084 +0.085 +0.086 +0.086 +0.087 +0.087 +0.089 +0.090 +0.091 +0.091 +0.092 +0.093 +0.094 +0.095 +0.095 +0.096 +0.096 +0.097 +0.097 +0.097 +0.098
Zener Voltage Range (Note 2) VZ @ IZT Min (V) 2.28 2.38 2.57 2.66 2.85 3.14 3.42 3.71 4.09 4.47 4.85 5.32 5.70 5.89 6.46 7.13 7.79 8.27 8.65 9.50 10.45 11.40 12.35 13.30 14.25 15.20 16.15 17.10 18.05 19.00 20.90 22.80 23.75 25.65 26.60 28.50 31.35 34.20 37.05 40.85 44.65 48.45 53.20 57.00 58.90 64.60 71.25
2. Based on dc measurement at thermal equilibrium; lead length = 9.5mm (3/8"); thermal resistance of heat sink = 30°C/W.
DS18006 Rev. 13 - 2
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1N5221B - 1N5267B
500
200
Pd, TOTAL POWER DISSIPATION (mW)
VR = 2.0V Tj = 25°C
400
Cj, JUNCTION CAPACITANCE (pF)
0 40 80 120 160 200
150
300
100
200
100
50
0
0 0 5 10 15 20 25
TA, AMBIENT TEMPERATURE Fig.1 Power Dissipation vs Ambient Temperature
VZ, ZENER VOLTAGE (V) Fig. 2 Junction Capacitance vs Zener Voltage
Tj = 25°C
1000
DIFFERENTIAL ZENER RESISTANCE ( )
IZ = 1.0mA
100
5.0mA
10
10mA
1 0 5 10 15 20 25 VZ, ZENER VOLTAGE (V) Fig. 3 Differential Zener Impedance
1000
r(t), NORMALIZED EFFECTIVE TRANSIENT THERMAL RESISTANCE (°C/W)
100
RqJA (t) = r(t) P(pk) t1 D = 0.5 0.2 0.1 0.05 0.02 0.01 t2 TJ - TA = PPK
RqJA = 300 K/W
* RqJA
10
Duty Cycle, D = t1/t2
* RqJA(t)
1.0 0.1 1.0 10 100 1000
t1, SQUARE WAVE PULSE DURATION (seconds) Fig. 4 Typical Normalized Transient Thermal Impedance Curves
DS18006 Rev. 13 - 2
3 of 3
1N5221B - 1N5267B
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