DATA SHEET
ZMM5221B SERIES
SURFACE MOUNT ZENER DIODES
VOLTAGE
2.4 to 47 Volts
POWER
500 mWatts
MINI-MELF/LL-34
Unit : inch (mm)
FEATURES
• Planar Die construction
• 500mW Power Dissipation
• Ideally Suited for Automated Assembly Processes
.063(1.6)
• Both normal and Pb free product are available :
Normal : 80~95% Sn, 5~20% Pb
Pb free: 98.5% Sn above
.020(0.5)
.012(0.3)
.020(0.5)
.012(0.3)
.146(3.7)
.130(3.3)
MECHANICAL DATA
• Case: Molded Glass MINI-MELF
• Terminals: Solderable per MIL-STD-202E, Method 208
• Polarity: See Diagram Below
• Approx. Weight: 0.03 grams
• Mounting Position: Any
• Packing information
T/R - 2.5K per 7" plastic Reel
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
P ar m et r
a
e
P ow erD i si aton atTam b = 25
s p i
Juncton Tem per t r
i
aue
S t r ge Tem per t r R ange
oa
aue
Vald pr vi ed t atl ads ata di t nce of10m m fom case ar keptatam bi ntt m per t r .
i o d
h e
sa
r
e
e e
aue
O
S ym bol
Val e
u
500
175
- 5 t +175
6 o
U nis
t
mW
O
C
P
TO T
T
J
T
S
C
C
O
P ar m et r
a
e
Ther alR esi t nce Juncton t A m bi ntA i
m
sa
i o
e
r
For ar Volage atI = 200m A
w d
t
F
S ym bol
M i.
n
-
-
-
-
Typ.
M ax.
0.
3
1.
1
U nis
t
K/ W
m
V
Rt A
h
VF
-
-
-
-
Vald pr vi ed t atl ads ata di t nce of10m m fom case ar keptatam bi ntt m per t r .
i o d
h e
sa
r
e
e e
aue
STAD-JUL.21.2004
.055(1.4)DIA.
PAGE . 1
RATING AND CHARACTERISTIC CURVES
POWER DISSIPATION, mWatts
500
400
300
200
100
0
50
100
150
200
O
250
AMBIENT TEMPERATURE, C
FIG. 1 POWER DERATING CURVE
Vz (V)
Iz (mA)
50
40
30
20
10
0
5
10
15
20
25
30
Test Current
Iz = 20mA
5245
5242
5241
5239
5250
5252
5235
5234
5232
5231
5230
5229
5228
5224
Fig.2 BREAKDOWN CHARACTERISTICS
STAD-JUL.21.2004
PAGE . 3