General Semiconductor MMSZ5251, MMSZ5256, MMSZ5265, MMSZ5252, MMSZ5263 Datasheet
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SYMBOL VALUE UNIT
Zener Current (see Table “Characteristics”)
Power Dissipation at TL= 75°C P
tot
500
(1)
mW
Maximum Junction Temperature T
j
150 °C
Storage Temperature Range T
S
-65 to +175 °C
SYMBOL MIN. TYP. MAX. UNIT
Thermal Resistance Junction to Ambient Air R
ΘJA
– – 340
(1)
°C/W
Forward Voltage at IF= 10 mA V
F
– – 0.9 Volts
NOTES:
(1) FR-4 or FR-5 board with minimum recommended solder pad layout.
FEATURES
♦ Silicon Planar Power Zener Diodes
♦ Standard Zener voltage tolerance is ± 5%
with a “B” suffix. Other tolerances are
available upon request.
♦ These diodes are also available in Mini-MELF case with
the designation ZMM5225 ... ZMM5267, DO-35 case with
type designation 1N5225 ... 1N5267 and SOT-23 case
with the type designation MMBZ5225 ... MMBZ5267.
MECHANICAL DATA
Case: SOD-123 Plastic Case
Weight: approx. 0.01 g
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25°C ambient temperature unless otherwise specified.
Dimensions in inches and (millimeters)
SOD-123
1/20/99
MMSZ5225 THRU MMSZ5267
ZENER DIODES
NEW PRODUCT NEW PRODUCT NEW PRODUCT
.022 (0.55)
Cathode Mark
.100 (2.55)
.112 (2.85)
.140 (3.55)
.152 (3.85)
.067 (1.70)
.055 (1.40)
Top View
max. .004 (0.1)
max. .053 (1.35)
max. .006 (0.15)
min. .010 (0.25)
MMSZ5225 C5 3.0 20 30 1600 -0.075 50 1.0
MMSZ5226 D1 3.3 20 28 1600 -0.070 25 1.0
MMSZ5227 D2 3.6 20 24 1700 -0.065 15 1.0
MMSZ5228 D3 3.9 20 23 1900 -0.060 10 1.0
MMSZ5229 D4 4.3 20 22 2000 -0.055 5.0 1.0
MMSZ5230 D5 4.7 20 19 1900 ±0.030 5.0 2.0
MMSZ5231 E1 5.1 20 17 1600 ±0.030 5.0 2.0
MMSZ5232 E2 5.6 20 11 1600 +0.038 5.0 3.0
MMSZ5233 E3 6.0 20 7 1600 +0.038 5.0 3.5
MMSZ5234 E4 6.2 20 7 1000 +0.045 5.0 4.0
MMSZ5235 E5 6.8 20 5 750 +0.050 3.0 5.0
MMSZ5236 F1 7.5 20 6 500 +0.058 3.0 6.0
MMSZ5237 F2 8.2 20 8 500 +0.062 3.0 6.5
MMSZ5238 F3 8.7 20 8 600 +0.065 3.0 6.5
MMSZ5239 F4 9.1 20 10 600 +0.068 3.0 7.0
MMSZ5240 F5 10 20 17 600 +0.075 3.0 8.0
MMSZ5241 H1 11 20 22 600 +0.076 2.0 8.4
MMSZ5242 H2 12 20 30 600 +0.077 1.0 9.1
MMSZ5243 H3 13 9.5 13 600 +0.079 0.5 9.9
MMSZ5244 H4 14 9.0 15 600 +0.082 0.1 10
MMSZ5245 H5 15 8.5 16 600 +0.082 0.1 11
MMSZ5246 J1 16 7.8 17 600 +0.083 0.1 12
MMSZ5247 J2 17 7.4 19 600 +0.084 0.1 13
MMSZ5248 J3 18 7.0 21 600 +0.085 0.1 14
MMSZ5249 J4 19 6.6 23 600 +0.086 0.1 14
MMSZ5250 J5 20 6.2 25 600 +0.086 0.1 15
MMSZ5251 K1 22 5.6 29 600 +0.087 0.1 17
MMSZ5252 K2 24 5.2 33 600 +0.087 0.1 18
MMSZ5253 K3 25 5.0 35 600 +0.089 0.1 19
MMSZ5254 K4 27 4.6 41 600 +0.090 0.1 21
MMSZ5255 K5 28 4.5 44 600 +0.091 0.1 21
MMSZ5256 M1 30 4.2 49 600 +0.091 0.1 23
MMSZ5257 M2 33 3.8 58 700 +0.092 0.1 25
MMSZ5258 M3 36 3.4 70 700 +0.093 0.1 27
MMSZ5259 M4 39 3.2 80 800 +0.094 0.1 30
MMSZ5260 M5 43 3.0 93 900 +0.095 0.1 33
MMSZ5261 N1 47 2.7 105 1000 +0.095 0.1 36
MMSZ5262 N2 51 2.5 125 1100 +0.096 0.1 39
MMSZ5263 N3 56 2.2 150 1300 +0.096 0.1 43
MMSZ5264 N4 60 2.1 170 1400 +0.097 0.1 46
MMSZ5265 N5 62 2.0 185 1400 +0.097 0.1 47
MMSZ5266 P1 68 1.8 230 1600 +0.097 0.1 52
MMSZ5267 P2 75 1.7 270 1700 +0.098 0.1 56
MMSZ5225 THRU MMSZ5267
ELECTRICAL CHARACTERISTICS
Type
Marking
Code
Nominal Zener
voltage
(3)
at
I
ZT
V
Z
(V)
Test
current
I
ZT
(mA)
Maximum Zener
impedance
(1)
Typical
Temperture
Coefficient
α
vz
(%/K)
Maximum
Reverse Leakage Current
Test Voltage
I
R
V
R
(µA) (V)
at
I
ZT
Z
ZT
(Ω)
at
IZK= 0.25 mA
Z
ZK
(Ω)
NOTES:
(1) The Zener Impedance is derived from the 1kHz AC voltage which results when an AC current having an RMS
value equal to 10% of the Zener current (IZTor IZK) is superimposed on IZTor IZK. Zener Impedance is measured at two points to insure a sharp knee on the
breakdown curve and to eliminate unstable units.
(2) Measured with device junction in thermal equilibrium.
Ratings at 25°C ambient temperature unless otherwise specified.
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