500 mW DO-35 Hermetically
Sealed Glass Zener Voltage
Regulators
Absolute Maximum Ratings
Parameter
Power Dissipation
Storage Temperature Range
Operating Junction Temperature
Lead Temperature (1/16” from case for 10 seconds)
T
A
= 25°C unless otherwise noted
Value
500
-65 to +200
+200
+230
Units
mW
°C
°C
°C
AXIAL LEAD
DO-35
DEVICE MARKING DIAGRAM
L
52
xx
B
L
: Logo
Device Code : 1N52xxB
These ratings are limiting values above which the serviceability of the diode may be impaired.
Specification Features:
Zener Voltage Range 2.4 to 56 Volts
DO-35 Package (JEDEC)
Through-Hole Device Type Mounting
Hermetically Sealed Glass
Compression Bonded Construction
All external surfaces are corrosion resistant and leads are readily solderable
Cathode indicated by polarity band
ELECTRICAL SYMBOL
Cathode
Anode
Electrical Characteristics
Device Type
1N5221B
1N5222B
1N5223B
1N5224B
1N5225B
1N5226B
1N5227B
1N5228B
1N5229B
1N5230B
1N5231B
1N5232B
1N5233B
1N5234B
1N5235B
1N5236B
1N5237B
1N5238B
1N5239B
1N5240B
1N5241B
1N5242B
1N5243B
1N5244B
V
Z
@ I
ZT
(Volts)
Nominal
2.4
2.5
2.7
2.8
3
3.3
3.6
3.9
4.3
4.7
5.1
5.6
6
6.2
6.8
7.5
8.2
8.7
9.1
10
11
12
13
14
T
A
= 25°C unless otherwise noted
I
ZT
(mA)
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
9.5
9
Z
ZT
@ I
ZT
(Ω)
Max
30
30
30
30
29
28
24
23
22
19
17
11
7
7
5
6
8
8
10
17
22
30
13
15
Z
ZK
@ I
ZK
= 0.25mA
(Ω)
Max
1200
1250
1300
1400
1600
1600
1700
1900
2000
1900
1600
1600
1600
1000
750
500
500
600
600
600
600
600
600
600
I
R
@ V
R
(µA)
Max
100
100
75
75
50
25
15
10
5
5
5
5
5
5
3
3
3
3
3
3
2
1
0.5
0.1
V
R
(Volts)
1
1
1
1
1
1
1
1
1
2
2
3
3.5
4
5
6
6.5
6.5
7
8
8.4
9.1
9.9
10
October 2003 / B
Page 1
1N5221B through 1N5263B Series
Electrical Characteristics
Device Type
V
Z
@ I
ZT
(Volts)
Nominal
T
A
= 25°C unless otherwise noted
I
ZT
(mA)
Z
ZT
@ I
ZT
(Ω)
Max
Z
ZK
@ I
ZK
= 0.25mA
(Ω)
Max
I
R
@ V
R
(µA)
Max
V
R
(Volts)
TC1N5245B
15
8.5
16
600
0.1
11
TC1N5246B
16
7.8
17
600
0.1
12
TC1N5247B
17
7.4
19
600
0.1
13
TC1N5248B
18
7
21
600
0.1
14
TC1N5249B
19
6.6
23
600
0.1
14
TC1N5250B
20
6.2
25
600
0.1
15
TC1N5251B
22
5.6
29
600
0.1
17
TC1N5252B
24
5.2
33
600
0.1
18
TC1N5253B
25
5
35
600
0.1
19
TC1N5254B
27
4.6
41
600
0.1
21
TC1N5255B
28
4.5
44
600
0.1
21
TC1N5256B
30
4.2
49
600
0.1
23
TC1N5257B
33
3.8
58
700
0.1
25
TC1N5258B
36
3.4
70
700
0.1
27
TC1N5259B
39
3.2
80
800
0.1
30
TC1N5258B
36
3.4
70
700
0.1
27
TC1N5259B
39
3.2
80
800
0.1
30
TC1N5260B
43
3
93
900
0.1
33
TC1N5261B
47
2.7
105
1000
0.1
36
TC1N5262B
51
2.5
125
1100
0.1
39
TC1N5263B
56
2.2
150
1300
0.1
43
V
F
Forward Voltage = 1.1 V Maximum @
I
F
= 200 mA for all types
Notes:
1. The type numbers listed have zener voltage as shown and have a standard tolerance on the nominal zener voltage of ±5%.
Suffix A = ±10%, C = ±2% and D = ±1%.
2. For detailed information on price, availability and delivery of nominal zener voltages between the voltages shown and tighter
voltage tolerances, contact your nearest Synsemi representative.
3. The zener impedance is derived from the 60-cycle ac voltage, which results when an ac current having an rms value equal to
10% of the dc zener current (I
ZT
or
I
ZK
) is superimposed to
I
ZT
or
I
ZK.
Electrical Symbol Definition
Symbol
V
Z
I
ZT
Z
ZT
I
ZK
Z
ZK
I
R
V
R
I
F
V
F
Parameter
Reverse Zener Voltage @
I
ZT
Typical Characteristics
I
(mA)
I
F
Reverse Current
Maximum Zener Impedance @
I
ZT
Reverse Current
Maximum Zener Impedance @
I
ZK
Reverse Leakage Current @
V
R
Breakdown Voltage
Forward Current
Forward Voltage @
I
F
(nA)
(mA)
(V)
V
Z
V
R
(mV)
I
R
I
ZT
V
F
V
Ordering Information
Device
1N52xxB
1N52xxB.TB
1N52xxB.TR
Package
Bulk
Tape and Ammo
Tape and Reel
Quantity
10,000
5,000
10,000
October 2003 / B
Page 2
Tape & Reel Packaging Information
Tape & Reel
Outline
DIM
D1
Millimeters
356
30
84
77.5
Reel Dimensions
D2
D3
W1
PKG Type
Quantity Per Reel
Quantity Per Reel
DO-35
10,000
October 2003 / B
Page 3
Tape & Ammo Packaging Information
Tape & Ammo
Outline
250mm x 80mm x 80mm
Quantity Per Ammo
Box
PKG Type
DO-35
Quantity Per Box
5,000
Taping Dimensions
Description
Standard Width
Tape Spacing (B)
Component Pitch (C)
Untaped Lead (L1 – L2)
Glass Offset (F)
Bent (D)
Tape Width (G)
Tape Mismatch (E)
Taped Lead (G)
Lead Beyond Tape (H)
52
52 ± 0.69
5.08 ± 0.4
± 0.69
± 0.69
1.2 Max
Millimeters
26
26 +0.5 / -0
5.08 ± 0.4
± 0.69
± 0.69
1.2 Max
6.138 ± 0.576
0.55 Max
3.2 Min
0
6.138 ± 0.576
0.55 Max
3.2 Min
0
October 2003 / B
Page 4
Bulk Packaging Information
190mm x 150mm x 65mm
Quantity Per Plastic Bag
DO-35
500 x 20 Plastic Bag
Bulk Outline
Plastic Bag
PKG Type
Quantity Per Box
10,000
Quantity Per Box
DO-35
October 2003 / B
Page 5
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