Rev. C
/
AH
2008
-
02
-
28
ZMM5221B – ZMM5267B
500mW Surface Mount
Zener Diodes
TAITRON COMPONEN
T
S INCORPORATED www.taitroncomponents.com
Page 1
of 5
Tel: (800)
-
TAITRON (800)
-
824
-
8766 (661)
-
257
-
6060
Fax: (800)-TAITFAX (800)-824-8329 (661)-257-6415
500mW Surface Mount Zener Diodes
Features
• Planar Die Construction
• 500mW Power Dissipation
• Very Sharp Reverse Characteristic
• Very High Stability
• Low Reverse Current Level
• Standard Zener Voltage Tolerance is ± 5 %
• Ideally Suited for Automated Assembly Processes
• RoHS Compliant
Mechanical Data
Case: Molded Glass MiniMelf
Terminals: Solderable per MIL-STD-202E, Method 208
Polarity: Color band denotes cathode end
Weight: Approx. 0.03 gra ms
Maximum Ratings & Electrical Characteristics (T
Ambient
=25ºC unless noted otherwise)
Symbol Description Value Unit Conditions
PD Power Dissipation at Ta=25° C 500 mW
VF Forward Voltage 1.1 V IF=200mA
RthJA Thermal Resistance Junction to Ambient 0.3 K/mW
TJ Junction Temperature 175 ° C
TSTG Storage Temperature R ange -65 to +175 ° C
Note: Valid provided that leads at a distance of 10mm from case are kept at ambient temperature.
MiniMelf
500mW Surface Mount Zener Diodes
ZMM5221B – ZMM5267B
Rev. C
/
AH
2008
-
02
-
28
www.taitroncomponents.com Page 2
of 5
Normal Zener Voltage Max. Zener impedance Max. reverse
leakage current
VZ @ IZT ZZT @ IZT Zzk @ Izk ID @ VR
P/N Marking
Code
Nom.
(
V
)
Min.
(
V
)
Max.
(
V
)
IZT
(
mA
)
Ω Ω m
A
µ
A
V
R
(
V
)
ZMM5221B 5221 2.4 2.28 2.52 20.0 30.0 1200 0.25 100 1.0
ZMM5222B 5222 2.5 2.38 2.63 20.0 30.0 1200 0.25 100 1.0
ZMM5223B 5223 2.7 2.57 2.84 20.0 30.0 1300 0.25 75 1.0
ZMM5224B 5224 2.8 2.66 2.94 20.0 30.0 1400 0.25 75 1.0
ZMM5225B 5225 3.0 2.85 3.15 20.0 29.0 1600 0.25 50 1.0
ZMM5226B 5226 3.3 3.14 3.47 20.0 28.0 1600 0.25 25 1.0
ZMM5227B 5227 3.6 3.42 3.78 20.0 24.0 1700 0.25 15 1.0
ZMM5228B 5228 3.9 3.71 4.10 20.0 23.0 1900 0.25 10 1.0
ZMM5229B 5229 4.3 4.09 4.52 20.0 22.0 2000 0.25 5.0 1.0
ZMM5230B 5230 4.7 4.47 4.94 20.0 19.0 1900 0.25 5.0 2.0
ZMM5231B 5231 5.1 4.85 5.36 20.0 17.0 1600 0.25 5.0 2.0
ZMM5232B 5232 5.6 5.32 5.88 20.0 11.0 1600 0.25 5.0 3.0
ZMM5233B 5233 6.0 5.70 6.30 20.0 7.0 1600 0.25 5.0 3.5
ZMM5234B 5234 6.2 5.89 6.51 20.0 7.0 1000 0.25 5.0 4.0
ZMM5235B 5235 6.8 6.46 7.14 20.0 5.0 750 0.25 3.0 5.0
ZMM5236B 5236 7.5 7.13 7.88 20.0 6.0 500 0.25 3.0 6.0
ZMM5237B 5237 8.2 7.79 8.61 20.0 8.0 500 0.25 3.0 6.5
ZMM5238B 5238 8.7 8.27 9.14 20.0 8.0 600 0.25 3.0 6.5
ZMM5239B 5239 9.1 8.65 9.56 20.0 10.0 600 0.25 3.0 7.0
ZMM5240B 5240 10 9.50 10.50 20.0 17.0 600 0.25 3.0 8.0
ZMM5241B 5241 11 10.45 11.55 20.0 22.0 600 0.25 2.0 8.4
ZMM5242B 5242 12 11.40 12.60 20.0 30.0 600 0.25 1.0 9.1
ZMM5243B 5243 13 12.35 13.65 9.5 13.0 600 0.25 0.5 9.9
ZMM5244B 5244 14 13.30 14.70 9.0 15.0 600 0.25 0.1 10.0
ZMM5245B 5245 15 14.25 15.75 8.5 16.0 600 0.25 0.1 11.0
ZMM5246B 5246 16 15.20 16.80 7.8 17.0 600 0.25 0.1 12.0
ZMM5247B 5247 17 16.15 17.85 7.4 19.0 600 0.25 0.1 13.0
ZMM5248B 5248 18 17.10 18.90 7.0 21.0 600 0.25 0.1 14.0
ZMM5249B 5249 19 18.05 19.95 6.6 23.0 600 0.25 0.1 14.0
ZMM5250B 5250 20 19.00 21.00 6.2 25.0 600 0.25 0.1 15.0
ZMM5251B 5251 22 20.90 23.10 5.6 29.0 600 0.25 0.1 17.0
500mW Surface Mount Zener Diodes
ZMM5221B – ZMM5267B
Rev. C
/
AH
2008
-
02
-
28
www.taitroncomponents.com Page 3
of 5
Fig.1 Power Derating Curve
Ambient Temperature Ta (°C)
Normal Zener Voltage Max. Zener impedance Max. reverse
leakage current
VZ @ IZT ZZT @ IZT Zzk @ Izk ID @ VR
P/N Marking
Code
Nom.(V) Min. (V) Max. (V) IZT (mA) Ω Ω mA µA VR (V)
ZMM5252B 5252 24 22.80 25.20 5.2 33.0 600 0.25 0.1 18.0
ZMM5253B 5253 25 23.75 26.25 5.0 35.0 600 0.25 0.1 19.0
ZMM5254B 5254 27 25.65 28.35 4.6 41.0 600 0.25 0.1 21.0
ZMM5255B 5255 28 26.60 29.40 4.5 44.0 600 0.25 0.1 21.0
ZMM5256B 5256 30 28.50 31.50 4.2 49.0 600 0.25 0.1 23.0
ZMM5257B 5257 33 31.35 34.65 3.8 58.0 700 0.25 0.1 25.0
ZMM5258B 5258 36 34.20 37.80 3.4 70.0 700 0.25 0.1 27.0
ZMM5259B 5259 39 37.05 40.95 3.2 80.0 800 0.25 0.1 30.0
ZMM5260B 5260 43 40.85 45.15 3.0 93.0 900 0.25 0.1 33.0
ZMM5261B 5261 47 44.65 49.35 2.7 105.0 1000 0.25 0.1 36.0
ZMM5262B 5262 51 48.45 53.55 2.5 125.0 1100 0.25 0.1 39.0
ZMM5263B 5263 56 53.20 58.80 2.2 150.0 1300 0.25 0.1 43.0
ZMM5264B 5264 60 57.00 63.00 2.1 170.0 1400 0.25 0.1 46.0
ZMM5265B 5265 62 58.90 65.10 2.0 185.0 1400 0.25 0.1 47.0
ZMM5266B 5266 68 64.60 71.40 1.8 230.0 1600 0.25 0.1 52.0
ZMM5267B 5267 75 71.25 78.75 1.7 270.0 1700 0.25 0.1 56.0
Note: Marking code is available in 2008.
Characteristics Curves
PD Power Dissipation (mW)
500mW Surface Mount Zener Diodes
ZMM5221B – ZMM5267B
Rev. C
/
AH
2008
-
02
-
28
www.taitroncomponents.com Page 4
of 5
Fig.2 Breakdown Characteristics
Zener Voltage (V)
Dimensions in inches (mm)
Iz Zener Current (mA)
MiniMelf
500mW Surface Mount Zener Diodes
ZMM5221B – ZMM5267B
Rev. C
/
AH
2008
-
02
-
28
www.taitroncomponents.com Page 5
of 5
How to contact us:
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Tel: (800) TAITRON (800) 824-8766 (661) 257-60 60
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Email: taitron@taitroncomponents.com
Http://www.taitroncomponents.com
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