1N5221 to 1N5267
www.vishay.com Vishay Semiconductors
Rev. 2.1, 08-Sep-14 1Document Number: 85588
For technical questions within your region: DiodesAmericas@vishay.com, DiodesAsia@vishay.com, DiodesEurope@vishay.com
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Small Signal Zener Diodes
FEATURES
• Silicon planar power Zener diodes
• Standard Zener voltage tolerance is ± 5 % with
a “B” suffix in the ordering code (e.g.: 1N5221B),
suffix “C” is ± 2 % tolerance
• These diodes are also available in MiniMELF
case with the type designation TZM5221 to
TZM5267, SOT-23 case with the type
designations MMBZ5225 to MMBZ5267 and
SOD-123 case with the types designations MMSZ5225 to
MMSZ5267
• AEC-Q101 qualified
• Material categorization: for definitions of compliance
please see www.vishay.com/doc?99912
APPLICATIONS
• Voltage stabilization
PRIMARY CHARACTERISTICS
PARAMETER VALUE UNIT
VZ range nom. 2.4 to 75 V
Test current IZT 1.7 to 20 mA
VZ specification Thermal equilibrium
Int. construction Single
ORDERING INFORMATION
DEVICE NAME ORDERING CODE TAPED UNITS PER REEL MINIMUM ORDER QUANTITY
1N5221B to 1N5267B 1N5221B to 1N5267B-series-TR
10 000 per 13" reel
30 000/box
1N5221C to 1N5267C 1N5221C to 1N5267C-series-TR
1N5221B to 1N5267B 1N5221B to 1N5267B-series-TAP 10 000 per ammopack
(52 mm tape)
1N5221C to 1N5267C 1N5221C to 1N5267C-series-TAP
PACKAGE
PACKAGE NAME WEIGHT MOLDING COMPOUND
FLAMMABILITY RATING
MOISTURE SENSITIVITY
LEVEL
SOLDERING
CONDITIONS
DO-35 125 mg UL 94 V-0 MSL level 1
(according J-STD-020) 260 °C/10 s at terminals
ABSOLUTE MAXIMUM RATINGS (Tamb = 25 °C, unless otherwise specified)
PARAMETER TEST CONDITION SYMBOL VALUE UNIT
Power dissipation TL 25 °C Ptot 500 mW
Zener current IZPtot/VZmA
Thermal resistance junction to ambient air I = 4 mm, TL = constant RthJA 300 K/W
Junction temperature Tj175 °C
Storage temperature range Tstg -65 to +175 °C
Forward voltage (max.) IF = 200 mA VF1.1 V
1N5221 to 1N5267
www.vishay.com Vishay Semiconductors
Rev. 2.1, 08-Sep-14 2Document Number: 85588
For technical questions within your region: DiodesAmericas@vishay.com, DiodesAsia@vishay.com, DiodesEurope@vishay.com
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ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000
Note
(1) Based on DC measurement at thermal equilibrium; lead length = 9.5 (3/8"); thermal resistance of heat sink = 30 K/W
ELECTRICAL CHARACTERISTICS (Tamb = 25 °C, unless otherwise specified)
PART NUMBER
ZENER VOLTAGE
RANGE (1) TEST CURRENT
REVERSE
LEAKAGE
CURRENT
DYNAMIC RESISTANCE
f = 1 kHz
TEMPERATURE
COEFFICIENT
VZ at IZT1 IZT1 IZT2 IR at VRZZ at IZT1 (1) ZZK at IZT2 VZ
VmA μA V%/K
NOM. MAX. MAX. MAX. TYP.
1N5221 2.4 20 0.25 100 1 30 1200 - 0.085
1N5222 2.5 20 0.25 100 1 30 1250 - 0.085
1N5223 2.7 20 0.25 75 1 30 1300 - 0.08
1N5224 2.8 20 0.25 75 1 30 1400 - 0.08
1N5225 3 20 0.25 50 1 29 1600 - 0.075
1N5226 3.3 20 0.25 25 1 28 1600 - 0.07
1N5227 3.6 20 0.25 15 1 24 1700 - 0.065
1N5228 3.9 20 0.25 10 1 23 1900 - 0.06
1N5229 4.3 20 0.25 5 1 22 2000 0.055
1N5230 4.7 20 0.25 5 2 19 1900 0.03
1N5231 5.1 20 0.25 5 2 17 1600 0.03
1N5232 5.6 20 0.25 5 3 11 1600 0.038
1N5233 6 20 0.25 5 3.5 7 1600 0.038
1N5234 6.2 20 0.25 5 4 7 1000 0.045
1N5235 6.8 20 0.25 3 5 5 750 0.05
1N5236 7.5 20 0.25 3 6 6 500 0.058
1N5237 8.2 20 0.25 3 6.5 8 500 0.062
1N5238 8.7 20 0.25 3 6.5 8 600 0.065
1N5239 9.1 20 0.25 3 7 10 600 0.068
1N5240 10 20 0.25 3 8 17 600 0.075
1N5241 11 20 0.25 2 8.4 22 600 0.076
1N5242 12 20 0.25 1 9.1 30 600 0.077
1N5243 13 9.5 0.25 0.5 9.9 13 600 0.079
1N5244 14 9 0.25 0.1 10 15 600 0.082
1N5245 15 8.5 0.25 0.1 11 16 600 0.082
1N5246 16 7.8 0.25 0.1 12 17 600 0.083
1N5247 17 7.4 0.25 0.1 13 19 600 0.084
1N5248 18 7 0.25 0.1 14 21 600 0.085
1N5249 19 6.6 0.25 0.1 14 23 600 0.086
1N5250 20 6.2 0.25 0.1 15 25 600 0.086
1N5251 22 5.6 0.25 0.1 17 29 600 0.087
1N5252 24 5.2 0.25 0.1 18 33 600 0.088
1N5253 25 5 0.25 0.1 19 35 600 0.089
1N5254 27 4.6 0.25 0.1 21 41 600 0.09
1N5255 28 4.5 0.25 0.1 21 44 600 0.091
1N5256 30 4.2 0.25 0.1 23 49 600 0.091
1N5257 33 3.8 0.25 0.1 25 58 700 0.092
1N5258 36 3.4 0.25 0.1 27 70 700 0.093
1N5259 39 3.2 0.25 0.1 30 80 800 0.094
1N5260 43 3 0.25 0.1 33 93 900 0.095
1N5261 47 2.7 0.25 0.1 36 105 1000 0.095
1N5262 51 2.5 0.25 0.1 39 125 1100 0.096
1N5263 56 2.2 0.25 0.1 43 150 1300 0.096
1N5264 60 2.1 0.25 0.1 46 170 1400 0.097
1N5265 62 2 0.25 0.1 47 185 1400 0.097
1N5266 68 1.8 0.25 0.1 52 230 1600 0.097
1N5267 75 1.7 0.25 0.1 56 270 1700 0.098
1N5221 to 1N5267
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Rev. 2.1, 08-Sep-14 3Document Number: 85588
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BASIC CHARACTERISTICS (Tamb = 25 °C, unless otherwise specified)
Fig. 1 - Thermal Resistance vs. Lead Length
Fig. 2 - Typical Change of Working Voltage under Operating
Conditions at Tamb= 25 °C
Fig. 3 - Typical Change of Working Voltage vs.
Junction Temperature
Fig. 4 - Total Power Dissipation vs. Ambient Temperature
Fig. 5 - Temperature Coefficient of VZ vs. Z-Voltage
Fig. 6 - Diode Capacitance vs. Z-Voltage
95 9611
0 5 10 15
0
100
200
300
400
500
20
ll
RthJA - Therm. Resist. Junction Ambient (K/W)
I - Lead Length (mm)
TL = constant
10 15 20
1
10
100
1000
V
Z
- Voltage Change (mV)
V
Z
- Z-Voltage (V)
25
95 9598
IZ = 5 mA
05
- 60 60 120 180
0.8
0.9
1.0
1.1
1.2
1.3
V
Ztn
- Relative Voltage Change
Tj - Junction Temperature (°C)
240
95 9599
0
VZtn = VZt/VZ (25 °C)
0
TK
VZ
= 10 x 10-4/K
8 x 10-4/K
2 x 10-4/K
6 x 10-4/K
4 x 10-4/K
- 4 x 10-4/K
- 2 x 10-4/K
0 120 160
0
100
300
400
500
600
Ptot - Total Power Dissipation (mW)
Tamb - Ambient Temperature (°C)
200
95 9602
200
80
40
- 5
0
5
10
15
VZ - Z-Voltage (V)
95 9600
IZ = 5 mA
0 10 203040 50
TKVZ - Temperature Coefficient
of VZ (10-4/K)
10 15
0
50
100
150
200
C
D
- Diode Capacitance (pF)
V
Z
- Z-Voltage (V)
25
95 9601
20
T
j
= 25 °C
V
R
= 2 V
05
1N5221 to 1N5267
www.vishay.com Vishay Semiconductors
Rev. 2.1, 08-Sep-14 4Document Number: 85588
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THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000
Fig. 7 - Forward Current vs. Forward Voltage
Fig. 8 - Z-Current vs. Z-Voltage
Fig. 9 - Z-Current vs. Z-Voltage
Fig. 10 - Differential Z-Resistance vs. Z-Voltage
Fig. 11 - Thermal Response
0 0.2 0.4 0.6 0.8
0.001
0.01
0.1
1
10
100
1.0
959605
IF - Forward Current (mA)
VF - Forward Voltage (V)
Tj = 25 °C
820
95 9604
0
20
40
60
80
100
IZ - Z-Current (mA)
Ptot = 500 mW
Tamb = 25 °C
046 12
VZ - Z-Voltage (V)
15 20 25 30
0
10
20
30
40
50
IZ - Z-Current (mA)
VZ - Z-Voltage (V)
35
95 9607
Ptot = 500 mW
Tamb = 25 °C
0 101520
1
10
100
1000
25
95 9606
Tj = 25 °C
IZ = 1 mA
5 mA
10 mA
V
Z
- Z-Voltage (V)
r
Z
- Differential Z-Resistance (Ω)
5
1
10
100
1000
Z
thp
- Thermal Resistance for Pulse Cond. (K/W)
t
p
- Pulse Length (ms)
95 9603
10
-1
10
0
10
1
10
2
t
p
/T = 0.5
t
p
/T = 0.2
t
p
/T = 0.1
t
p
/T = 0.05
t
p
/T = 0.02
t
p
/T = 0.01
Single Pulse R
thJA
= 300 K/W
T = T
j max.
- T
amb
i
ZM
= (- V
Z
+ (V
Z
2
+ 4r
zj
x T/Z
thp
)
1/2
)/(2r
zj
)
1N5221 to 1N5267
www.vishay.com Vishay Semiconductors
Rev. 2.1, 08-Sep-14 5Document Number: 85588
For technical questions within your region: DiodesAmericas@vishay.com, DiodesAsia@vishay.com, DiodesEurope@vishay.com
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000
PACKAGE DIMENSIONS in millimeters (inches): DO-35_1N52xx
94 12648
Rev. 1 - Date: 19. December 2011
Document no.: S8-V-3906.04-031(4)
26 min. [1.024] 3.9 max. [0.154] 26 min. [1.024]
Cathode Identication
1.7 [0.067]
1.5 [0.059]
3.1 min. [0.120]
Ø 0.55 max. [0.022]
Ø 0.4 min. [0.015]
Legal Disclaimer Notice
www.vishay.com Vishay
Revision: 08-Feb-17 1Document Number: 91000
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Click to View Pricing, Inventory, Delivery & Lifecycle Information:
Vishay:
1N5248B\D7 1N5249B\D7 1N5247B\D7 1N5256B\D7 1N5258B\D7 1N5253B\D7 1N5257B\D7 1N5255B\D7
1N5259B\D7 1N5251B\D7 1N5239B\D7 1N5235B\D7 1N5264B\D7 1N5260B\D7 1N5266B\D7 1N5227C-TAP
1N5267C-TAP 1N5247C-TAP 1N5237C-TAP 1N5257C-TAP 1N5266B-TAP 1N5226B-TAP 1N5246B-TAP
1N5236B-TAP 1N5256B-TAP 1N5244B-TAP 1N5224B-TAP 1N5264B-TAP 1N5254B-TAP 1N5234B-TAP
1N5245C-TAP 1N5265C-TAP 1N5225C-TAP 1N5255C-TAP 1N5235C-TAP 1N5240B-TAP 1N5260B-TAP
1N5250B-TAP 1N5230B-TAP 1N5248C-TAP 1N5228C-TAP 1N5258C-TAP 1N5238C-TAP 1N5241C-TAP
1N5221C-TAP 1N5261C-TAP 1N5251C-TAP 1N5231C-TAP 1N5234C-TAP 1N5254C-TAP 1N5244C-TAP
1N5224C-TAP 1N5264C-TAP 1N5237B-TAP 1N5257B-TAP 1N5247B-TAP 1N5267B-TAP 1N5227B-TAP
1N5252B-TAP 1N5232B-TAP 1N5222B-TAP 1N5262B-TAP 1N5242B-TAP 1N5251B-TAP 1N5231B-TAP
1N5221B-TAP 1N5261B-TAP 1N5241B-TAP 1N5229B-TAP 1N5249B-TAP 1N5239B-TAP 1N5259B-TAP
1N5253C-TAP 1N5233C-TAP 1N5263C-TAP 1N5223C-TAP 1N5243C-TAP 1N5256C-TAP 1N5236C-TAP
1N5266C-TAP 1N5226C-TAP 1N5246C-TAP 1N5265B-TAP 1N5225B-TAP 1N5245B-TAP 1N5235B-TAP
1N5255B-TAP 1N5260C-TAP 1N5240C-TAP 1N5230C-TAP 1N5250C-TAP 1N5263B-TAP 1N5223B-TAP
1N5243B-TAP 1N5233B-TAP 1N5253B-TAP 1N5242C-TAP 1N5222C-TAP 1N5262C-TAP 1N5252C-TAP
