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Surface Mount Zener Diodes
CZRT5221-G thru CZRT5259-G
Voltage: 2.4 ~ 29 Volts Power: 500 mW Features:
Planar Die Constructions 500mW Power Dissipation Zener Voltages from 2.4V ~ 39V Ideally Suited for Automated Assembly Processes
.119 (3.0) .110 (2.8) .020 (0.5)
SOT-23
Top View
Mechanical Data:
Case: SOD-23, Plastic Terminals: Solderable per MIL-STD-202, Method 208 Approx. Weight: 0.008 gram
.037 (0.95) .037 (0.95)
.056 (1.40) .047 (1.20)
.006 (0.1) max.
.029(0.5)
.020 (0.5)
.103 (2.6) .086 (2.2)
Dimensions in inches (millimeters)
Maximum Ratings and Thermal Characterics
Parameter Power Dissipation (Note A) at 75 C Peak Forward Surge Current Surge, 8.3ms Single Half Sine-Wave Superimposed on Rated Load (JEDEC Method) (Note B) Operating Junction and Storage Temperature Range
o
Symbols
Value 500
Units
mW
PD IFSM TJ
4
Amps
o
-55 to +150
C
Notes: A. Mounted on 5.0mm2(.013mm thick) land areas. B. Measured on 8.3ms, single half sine-wave or equivalent square wave, duty cycle = 4 pulses per minute maximum.
"-G" suffix designated RoHS compliant version
Comchip Technology Corporation . Tel:510-657-8671 . Fax: 510-657-8921 . www.comchiptech.com
.044 (1.15) .035 (0.90) Page1
Circuit Schematic:
.006 (0.15) .002 (0.05)
Surface Mount Zener Diodes
CZRT5221-G thru CZRT5259-G
Electrical Characteristics
Part Number
(TA = 25C unless otherwise noted) V F=1.2V max, IF=100mA for all types.)
Max. Zener Impedance
Max Reverse Leakage Current
Max. Zener Impedance
Typical Temp. Coefficient
Max. Zener current
Vz @ IZT
Nom.V Min.V Max.V 500 mWatts Zener Diodes
CZRT5221-G CZRT5222-G CZRT5223-G CZRT5225-G CZRT5226-G CZRT5227-G CZRT5228-G CZRT5229-G CZRT5230-G CZRT5231-G CZRT5232-G CZRT5233-G CZRT5234-G CZRT5235-G CZRT5236-G CZRT5237-G CZRT5239-G CZRT5240-G CZRT5241-G CZRT5242-G CZRT5243-G CZRT5245-G CZRT5246-G CZRT5248-G CZRT5250-G CZRT5251-G
ZZT @ IZT
Ohm mA
Zzk @ Izk
Ohm mA
IR @ VR
nA
V
TC
IZM @ Ta mA
2.4 2.5 2.7 3 3.3 3.6 3.9 4.3 4.7 5.1 5.6 6.0 6.2 6.8 7.5 8.2 9.1 10 11 12 13 15 16 18 20 22 24 27 28 30 33 36 39
2.28 2.38 2.57 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 8.65 9.50 10.45 11.40 12.35 14.25 15.20 17.10 19.00 20.90 22.80 25.65 26.60 28.50 31.35 34.20 37.05
2.52 2.63 2.84 3.15 3.47 3.78 4.10 4.52 4.94 5.36 5.88 6.30 6.51 7.14 7.88 5.61 9.56 10.50 11.55 12.60 13.65 15.75 16.80 18.90 21.00 23.10 25.20 28.35 29.40 31.50 34.65 37.80 40.95
30 30 30 30 28 25 23 22 19 17 11 11 7 5 6 8 10 17 22 30 13 16 17 21 25 29 33 41 44 49 58 70 80
20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 9.5 8.5 7.8 7 6.2 5.6 5.2 5 4.5 4.2 3.8 3.4 3.2
1200 1250 1300 1600 1600 1700 1900 2000 1900 1600 1600 1600 1000 750 500 500 600 600 600 600 600 600 600 600 600 600 600 600 600 600 700 700 800
0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25
100 100 75 50 25 15 10 5 5 5 5 5 5 3 3 3 3 3 3 2 1 0.5 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1
1 1 1 1 1 1 1 1 2 2 3 3.5 4 5 6 6 6.5 8 8.4 9.1 9.9 11 12 14 15 17 18 21 21 23 25 27 30
-0.070 -0.065 -0.060 -0.055 0.030 0.030 +0.038 +0.038 +0.045 +0.050 +0.058 +0.060 +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
188 180 167 150 138 126 115 106 97 89 81 77 73 67 61 55 50 45 41 38 35 30 28 25 23 21 19.1 16.8 16.2 15.1 13.8 12.6 11.6
CZRT5252-G
CZRT5254-G CZRT5255-G CZRT5256-G CZRT5257-G CZRT5258-G CZRT5259-G
NOTE: 1.Tolerance and Type Number Designation. The type numbers listed have a standard tolerance on the nominal zener voltage of 5% for 'B' and 10% for 'A 2.Specials Available Include: A. Nominal zener voltages between the voltages shown and tighter voltage t olerances. B. Matched sets. 3. Zener Voltage (VZ) Measurement. Guarantees the zener volt age when measured at 90 seconds while maintaining the lead the t emperature (TL) at 30 , from the diode body. C 4. Zener Impedance (ZZ) Derivation. The zener impedanc e is derived from the 60 cycle ac voltage, which resul ts when an AC current having an rms value equal to 10% of the dc zener current (IZT or IZK) is superimposed on IZT or IZK 5. Surge Current (IR) Non-Repetitive. The rating listed in the el ectrical characteristics table is maximum peak, non-repetit ive, reverse surge current of 1/2 square wave or equivalent sine wave pulse of 1/120 second duration superimposed on t he test current, IZT, per JEDEC regis tration; however, actual device capability is as described in Figure 5.
"-G" suffix designated RoHS compliant version
Comchip Technology Corporation . Tel:510-657-8671 . Fax: 510-657-8921 . www.comchiptech.com
Page2
Surface Mount Zener Diodes
CZRT5221-G thru CZRT5259-G
8 7 6 5 4 3 2
1
100
0 -1 -2 -3 2 3 4 5 6 7 8 9 10 11 12
TEMPERATURE COEFFICIENT,mV / oC)
TEMPERATURE COEFFICIENT,mV / oC
10
1
10
100
NOMINAL ZENER VOLTAGE, Volts
NOMINAL ZENER VOLTAGE, Volts
TYPICAL
REVERSE
CURRENT
1000
FORWARD CURRENT, mA
TJ=25 C IZ(AC)=0.1IZ(DC) F=1 kHZ
O
1000
DYNAMIC IMPEDANCE,
IZ = 1 mA
100
5 mA
20 mA
100
10
10
150OC
75 C
O
25 C
O
5OC
1
1
10
NORMAL ZENER VOLTAGE, Volts
100
1 0.4
0.5
0.6
0.7
0.8
0.9
1.0
1.1
1.2
FORWARD VOLTAGE, Volts
TYPICAL
FORW ARD VOL TAGE
1.2 1.0
1000
0 V BIAS 1 V BIAS
TA=25oC
POWER DISSIPATION, Watts
0.8 0.6
CAPACITANCE, pF
100 BIAS AT 50% OF VZ NOM 10
PD V.S. TA
0.4 0.2 0
25
50
75
100
125
150
155
1
1
10
100
TEMPERATURE ( C)
o
NOMINAL ZENER VOLTAGE, Volts
"-G" suffix designated RoHS compliant version
Comchip Technology Corporation . Tel:510-657-8671 . Fax: 510-657-8921 . www.comchiptech.com
Page3
Surface Mount Zener Diodes
CZRT5221-G thru CZRT5259-G
100
TA=25 C
ZENER CURRENT, mA
ZENER CURRENT, mA
o
100
TA=25oC
10
10
1
1
0.1
0.1
0.01
0
2
4
6
8
10
12
0.01
10
30
50
70
90
ZENER VOLTAGE, Volts
ZENER VOLTAGE, Volts
ZENER
VOL TAGE V.S. ZENER
CURRENT
ZENER
VOL TAGE V.S. ZENER
CURRENT
1000
LEAKAGE CURRENT ( A)
100 10 1 0.1 0.01 0.001 0.0001 0.00001 0 10 20 30 40 50 60 70
+150OC
+25 C -55OC
80 90
O
NOMINAL ZENER VOLTAGE, Vlots
"-G" suffix designated RoHS compliant version
Comchip Technology Corporation . Tel:510-657-8671 . Fax: 510-657-8921 . www.comchiptech.com
Page4

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