RECTRON
SEMICONDUCTOR
TECHNICAL SPECIFICATION
ZMM5221B
THRU
ZMM5257B
500mW 5% mini-M.E.L.F ZENER DIODE
Absolute Maximun Ratings (Ta=25
o
C)
Items
Power Dissipation
Thermal Resis.
Forward Voltage
@If = 10 mA
Vz Tolerence
Junction Temp.
Storage Temp.
Symbol
P
TOT
R0JA
Vf
Ratings
500
0.3
1.1
5
-65 to 200
-65 to 200
Unit
mW
K/mW
V
%
o
C
o
C
1.40
1.30
0.4
0.2
2 Places
Dimensions
m in i-MEL F
T
J
T
STG
Mechanical Data
Items
P a cka g e
C a se
Lead Finish
3.40
3.20
Materials
mini-MELF
Dimensions in millimeters
Hermeticall sealed glass
Solder Plating
Electrical Characteristics (Ta=25
o
C)
ZENER
VOLTAGE
TYPE
Vz(V)
ZMM5221B
ZMM5222B
ZMM5223B
ZMM5224B
ZMM5225B
ZMM5226B
ZMM5227B
ZMM5228B
ZMM5229B
ZMM5230B
ZMM5231B
ZMM5232B
ZMM5233B
ZMM5234B
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
Izt(mA)
20
20
20
20
20
20
20
20
20
20
20
20
20
20
Rz (ohms)
30
30
30
30
29
28
24
23
22
19
17
11
7
7
Izt(mA0
20
20
20
20
20
20
20
20
20
20
20
20
20
20
MAX ZENER
IMPEDANCE
MAX ZENER
IMPEDANCE
Izt = 1.0mA
MAXIMUM
REVERSE
CURRENT
TEMP.
COEFF.
dvz
Rz (ohms)
1200
1250
1300
1400
1600
1600
1700
1900
2000
1900
1600
1600
1600
1000
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
IR (uA)
100
100
75
75
50
25
15
10
5
5
5
5
5
5
(%/
o
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
RECTRON [ RECTRON SEMICONDUCTOR ]
