DS30024 Rev. C-2 1 of 3 ZMM5221B-ZMM5267B
ZMM5221B - ZMM5267B
500mW SURFACE MOUNT ZENER DIODE
Features
Maximum Ratings and Electrical Characteristics @ TA= 25°C unless otherwise specified
Characteristic Symbol Value Unit
Power Dissipation (Note 1) Pd500 mW
Thermal Resistance, Junction to Ambient Air (Note 1) RqJA 300 °C /W
Forward Voltage @ IF= 200mA VF1.5 V
Operating and Storage Temperature Range Tj, TSTG -65 to +175 oC
·Case: MiniMELF
·Terminals: Solderable per MIL-STD-202,
Method 208
·Polarity: Cathode Band
·Marking: Cathode Band Only
·Weight: 0.034 grams (approx.)
·500mW Power Dissipation
·Outline Similar to JEDEC DO-213AA
·Hemetic Glass Package
Mechanical Data A
C
B
MiniMELF
Dim Min Max
A3.30 3.70
B1.30 1.60
C0.28 0.50
All Dimensions in mm
Notes: 1. Valid provided that electrodes are kept at ambient temperature.
2. Tested with pulses, Tp£100ms.
DS30024 Rev. C-2 2 of 3 ZMM5221B-ZMM5267B
Electrical Characteristics @ TA= 25°C unless otherwise specified
Type
Number
Zener Voltage Range
(Note 2)
Maximum Zener
Impedance
Maximum Reverse
Current Typical
Temperature
Coefficient
@I
ZT
VZ@I
ZT IZT ZZT @I
ZT ZZK @I
ZK =
0.25mA IR@VR
Nom (V) Min (V) Max (V) mA WWµA V %/ °C
ZMM5221B 2.4 2.28 2.52 20 30 1200 100 1.0 -0.085
ZMM5222B 2.5 2.38 2.63 20 30 1250 100 1.0 -0.085
ZMM5223B 2.7 2.57 2.84 20 30 1300 75 1.0 -0.080
ZMM5224B 2.8 2.66 294 20 30 1400 75 1.0 -0.080
ZMM5225B 3.0 2.85 3.15 20 29 1600 50 1.0 -0.075
ZMM5226B 3.3 3.14 3.47 20 28 1600 25 1.0 -0.070
ZMM5227B 3.6 3.42 3.78 20 24 1700 15 1.0 -0.065
ZMM5228B 3.9 3.71 4.10 20 23 1900 10 1.0 -0.060
ZMM5229B 4.3 4.09 4.52 20 22 2000 5.0 1.0 -0.055
ZMM5230B 4.7 4.47 4.94 20 19 1900 5.0 2.0 ±0.030
ZMM5231B 5.1 4.85 5.36 20 17 1600 5.0 2.0 ±0.030
ZMM5232B 5.6 5.32 5.88 20 11 1600 5.0 3.0 +0.038
ZMM5233B 6.0 5.70 6.30 20 7.0 1600 5.0 3.5 +0.038
ZMM5234B 6.2 5.89 6.51 20 7.0 1000 5.0 4.0 +0.045
ZMM5235B 6.8 6.46 7.14 20 5.0 750 3.0 5.0 +0.050
ZMM5236B 7.5 7.13 7.88 20 6.0 500 3.0 6.0 +0.058
ZMM5237B 8.2 7.79 8.61 20 8.0 500 3.0 6.5 +0.062
ZMM5238B 8.7 8.27 9.14 20 8.0 600 3.0 6.5 +0.065
ZMM5239B 9.1 8.65 9.56 20 10 600 3.0 7.0 +0.068
ZMM5240B 10 9.50 10.50 20 17 600 3.0 8.0 +0.075
ZMM5241B 11 10.45 11.55 20 22 600 2.0 8.4 +0.076
ZMM5242B 12 11.40 12.60 20 30 600 1.0 9.1 +0.077
ZMM5243B 13 12.35 13.65 9.5 13 600 0.5 9.9 +0.079
ZMM5244B 14 13.30 14.70 9.0 15 600 0.1 10 +0.082
ZMM5245B 15 14.25 15.75 8.5 16 600 0.1 11 +0.082
ZMM5246B 16 15.20 16.80 7.8 17 600 0.1 12 +0.083
ZMM5247B 17 16.15 17.85 7.4 19 600 0.1 13 +0.084
ZMM5248B 18 17.10 18.90 7.0 21 600 0.1 14 +0.085
ZMM5249B 19 18.05 19.95 6.6 23 600 0.1 14 +0.086
ZMM5250B 20 19.00 21.00 6.2 25 600 0.1 15 +0.086
ZMM5251B 22 20.90 23.10 5.6 29 600 0.1 17 +0.087
ZMM5252B 24 22.80 25.20 5.2 33 600 0.1 18 +0.087
ZMM5253B 25 23.75 26.25 5.0 35 600 0.1 19 +0.089
ZMM5254B 27 25.65 28.35 4.6 41 600 0.1 21 +0.090
ZMM5255B 28 26.60 29.40 4.5 44 600 0.1 21 +0.091
ZMM5256B 30 28.50 31.50 4.2 49 600 0.1 23 +0.091
ZMM5257B 33 31.35 34.65 3.8 58 700 0.1 25 +0.092
ZMM5258B 36 34.20 37.80 3.4 70 700 0.1 27 +0.093
ZMM5259B 39 37.05 40.95 3.2 80 800 0.1 30 +0.094
ZMM5260B 43 40.85 45.15 3.0 93 900 0.1 33 +0.095
ZMM5261B 47 44.65 49.35 2.7 105 1000 0.1 36 +0.095
ZMM5262B 51 48.45 53.55 2.5 125 1100 0.1 39 +0.096
ZMM5263B 56 53.20 58.80 2.2 150 1300 0.1 43 +0.096
ZMM5264B 60 57.00 63.00 2.1 170 1400 0.1 46 +0.097
ZMM5265B 62 58.90 65.10 2.0 185 1400 0.1 47 +0.097
ZMM5266B 68 64.60 71.40 1.8 230 1600 0.1 52 +0.097
ZMM5267B 75 71.25 78.75 1.7 270 1700 0.1 56 +0.098
Notes: 2. Tested with pulses, Tp£100ms.
DS30024 Rev. C-2 3 of 3 ZMM5221B-ZMM5267B
0
50
100
150
200
0510152025
C , JUNCTION CAPACITANCE (pF)
j
V , ZENER VOLTAGE (V)
Fi
g
. 2 Junction Capacitance vs Zener Volta
g
e
Z
V = 2.0V
R
T = 25 C
j°
1
10
100
1000
0 5 10 15 20 25
DIFFERENTIAL ZENER RESISTANCE ( )
Ω
V , ZENER VOLTAGE (V)
Fi
g
. 3 Differential Zener Impedance
Z
I = 1.0mA
Z
5.0mA
10mA
T = 25 C
j°
1.0
10
100
1000
0.1 1.0 10 100
r(t), NORMALIZED EFFECTIVE
TRANSIENT THERMAL RESISTANCE ( C/W)
o
t , SQUARE WAVE PULSE DURATION (seconds)
Fi
g
.4 T
y
pical Normalized Transient Thermal Impedance Curves
1
1000
D=0.5
0.2
0.1
0.05
0.02
0.01
t1
t2
P(pk)
T - T = P R (t)
Duty Cycle,D=t /t
J A PK JA
12
*θ
R (t) = r(t) R
R = 300 K/W
JA JA
*θθ
θJA
0
100
200
300
400
5
00
0 40 80 120 160 200
P , POWER DISSIPATION (mW)
d
T , AMBIENT TEMPERATURE
Fi
g
.1 Power Dissipation vs Ambient Temperature
A
