1N47- Series
Features:
•
•
•
•
•
•
Low profile package.
Built-in strain relief.
Glass passivated junction.
Low inductance.
Typical IR less than 5.0µA above 11V.
High temperature soldering guaranteed: 260°C/10
seconds at terminals
• Plastic package has underwriters laboratory
flammability classification 94V-0
DO-41
Dimensions : Inches (Millimetres)
Mechanical Data
Case
Lead
Polarity
Mounting position
Weight
: Moulded plastic DO-41.
: Pure tin plated lead free, solderable per MIL-STD-202, Method 2025.
: Color band denotes cathode end.
: Any.
: 0.012 ounces, 0.3 gram.
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18/07/08 V1.1
1N47- Series
Maximum Ratings and Electrical Characteristics
Rating at 25°C Ambient Temperature Unless Otherwise Specified.
Type Number
Peak Power Dissipation at TA = 50°C,
Derate above 50°C (Note 1)
Peak Forward Surge Current, 8.3ms Single Half
Sine-wave Superimposed on Rated Load (JEDEC
method) (Note 2)
Operating and Storage Temperature Range
Symbol
Value
Units
PD
1.0
6.67
Watts
mW/°C
IFSM
10.0
Amps
TJ, TSTG
-55 to +150
°C
Notes : 1. Mounted on 5.0mm2 (0.013mm thick) land areas.
2. Measured on 8.3ms single half sine-wave or equivalent square wave,
duty cycle = 4 pulses per minute maximum.
Electrical Characteristics (TA = 25°C Unless Otherwise Noted)
VF = 1.2V maximum, IF = 200mA for all types.
Zener Voltage
VZ at IZT
Voltage
Power
(Watt)
Test
Current
IZT
mA
Nom.
(Notes
2 & 3)
Minimum Maximum
Maximum Zener
Impedance (Note 4)
ZZT at
IZT
Ohms
12
11.40
12.60
21
9
13
12.35
13.65
19
10
ZZK at IZK
Ohms
mA
Leakage Current
IR @ VR
uA
Maximum
Volts
Surge Current
at
Part Number
TA = 25°C
Ir = mA
(Note 5)
9.1
380
1N4742A
9.9
344
1N4743A
700
15
14.25
15.75
17
14
11.4
3.4
1N4744A
16
15.20
16.80
15.5
16
12.2
285
1N4745A
18
17.10
18.90
14.0
20
13.7
250
1N4746A
20
19.00
21.00
12.5
22
15.2
225
1N4747A
22
20.90
23.10
11.5
23
16.7
205
1N4748A
24
22.80
25.20
10.5
25
18.2
190
1N4749A
27
25.65
28.35
9.5
35
20.6
170
1N4750A
22.8
150
1N4751A
25.1
135
1N4752A
27.4
125
1N4753A
35.8
95
1N4756A
750
1
0.25
30
28.50
31.50
8.5
40
33
31.35
34.65
7.5
45
36
34.20
37.80
7.0
50
47
44.65
49.35
5.5
80
1000
5.0
1500
51
48.45
53.55
5.0
95
38.8
90
1N4757A
56
53.20
58.80
4.5
110
42.6
80
1N4758A
68
64.60
71.40
3.7
150
51.7
65
1N4760A
75
71.25
78.75
3.3
175
56.0
60
1N4761A
100
95.00
105.0
2.5
350
76.0
45
1N4764A
2000
3000
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18/07/08 V1.1
1N47- Series
Notes 1: Tolerance and Type Number Designation. The type numbers listed have a standard tolerance on the nominal
zener voltage of ±5%.
2. Specials Available Include:
A. Nominal zener voltages between the voltages shown and tighter voltage tolerances.
B. Matched sets.
3. Zener Voltage (VZ) Measurement. Guarantees the zener voltage when messured at 90 seconds
while maintaining the lead temperature (TL) at 30oC± 1oC, from the diode body.
4. Zener Impedance (ZZ) Derivation. The zener impedance is derived from the 60 cycle ac voltage,
which results when an accurrent having and rms value equal to 10% of the dc zener
current (IZT or IZK) is superimposed on IZT or IZK.
5. Surge Current (Ir) Non-Repetitive. The rating listed in the electrical characteristics table is
maximum peak, non-repetitive, reverse surge current of 1/2 square wave or equivalent sine
wave pulse of 1/120 second duration superimposed on the test current, IZT, per JEDEC
registration; however, actual device capability is as described.
Ratings and Characteristics Curves ( 1N4742A thru 1N4753A, 1N4756A thru 1N4758A,
1N4760A, 1N4761A and 1N4764A
Typical Forward Characteristics
IF - Forward Current (mA)
PD, Maximum Pwer Dissipation (watts)
Power Temperature Derating Curve
Ambient Temperature (°C)
VF - Forward Voltage (Volts)
Effect of Zener Voltage
on Zener Impedance
ZZ - Dynamic Impedance (Ohms)
ZZ - Dynamic Impedance (Ohms)
Effect of Zener Current
on Zener Impedance
IZ - Zener Current (mA)
IZ - Zener Current (mA)
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18/07/08 V1.1
1N47- Series
Typical Capacitance verses Vz
IR, Leakage Current (µA)
C - Capacitance (pF)
Typical Leakage Current
VZ - Forward Voltage (Volts)
VZ, Nominal Zener Voltage (Volts)
Temperature Coefficients
b - Range for Units to 12 to 100 Volts
θVZ , Temperature Coefficient (mV/°C)
θVZ , Temperature Coefficient (mV/°C)
Temperature Coefficients
a - Range for Units to 12 Volts
VZ , Zener Voltage (Volts)
VZ , Zener Voltage (Volts)
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18/07/08 V1.1
1N47- Series
Typical Thermal Resistance versus Lead Length
θJL, Junction to Lead Thermal
Resistance (°C/W)
θVZ , Temperature Coefficient (mV/°C)
Effect of Zener Current
L, Lead Length to Heat Sink (Inches)
VZ , Zener Voltage (Volts)
PPk, Peak Surge Power Iwattso
Maximum Surge Power
PW, Pulse Width (mS)
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18/07/08 V1.1
1N47- Series
Notes:
International Sales Offices:
AUSTRALIA – Farnell
FINLAND – Farnell
ITALY – Farnell
SPAIN – Farnell
Tel No:
Tel No:
Tel No:
Tel No:
++61 1300 361 005
++ 358 9 560 7780
++ 39 02 93 995 200
901 20 20 80
Fax No: ++61 1300 361 225
Fax No: ++ 358 9 345 5411
Fax No: ++ 39 02 93 995 300
Fax No: 901 20 20 90
AUSTRIA – Farnell
FRANCE – Farnell
SWEDEN – Farnell
Tel No:
Tel No:
Fax No: ++ 43 662 2180 670
Fax No: ++ 33 474 68 99 90
MALAYSIA –
Farnell-Newark
Tel No: ++ 60 3 7873 8000
Fax No: ++ 60 3 7873 7000
BELGIUM – Farnell
GERMANY – Farnell
NETHERLANDS – Farnell
SWITZERLAND – Farnell
Tel No:
Tel No:
Tel No:
++ 43 662 2180 680
++ 33 474 68 99 99
Tel No:
++ 46 8 730 50 00
Fax No: ++ 46 8 83 52 62
Fax No: ++ 32 3 227 3648
Fax No: ++ 49 89 613 59 01
Fax No: ++ 31 30 241 7333
Tel No: ++ 44 204 64 64
Fax No: ++ 44 204 64 54
BRAZIL – Farnell-Newark
HONG KONG –
NEW ZEALAND – Farnell
UK – Farnell
Tel No:
Tel No:
++ 32 3 475 2810
++ 49 89 61 39 39 39
++ 31 30 241 7373
++ 55 11 4066 9400
Farnell-Newark
Tel No: ++ 852 2268 9888
Fax No: ++ 55 11 4066 9410
Fax No: ++ 852 2268 9899
Fax No: 0800 90 80 81
Fax No: ++ 44 8701 200 201
CHINA – Farnell-Newark
HUNGARY - Farnell
NORWAY – Farnell
UK – CPC
Tel No:
Tel No:
Tel No:
800 146 70
++ 44 8701 202 530
Tel No:
++86 10 6238 5152
++ 44 870 1200 208
0800 90 80 80
++ 44 8701 200 200
Fax No: ++86 10 6238 5022
Fax No: ++ 44 870 1200 209
Fax No: 800 146 76
++ 44 8701 202 531
CZECH REPUBLIC - Farnell
INDIA - Farnell
PORTUGAL – Farnell
USA –
Tel No:
Tel No:
Tel No:
++ 44 870 1200 208
++ 44 870 1200 208
Fax No: ++ 44 870 1200 209
Fax No: ++ 44 870 1200 209
Fax No: ++ 34 93 474 5288
DENMARK – Farnell
IRELAND – Farnell
RUSSIA – Farnell
Tel No:
Tel No:
Tel No:
++ 45 44 53 66 44
Fax No: ++ 45 44 53 66 06
++ 353 1 830 9277
++ 44 870 1200 208
Fax No: ++ 44 870 1200 209
Fax No: ++ 353 1 830 9016
Newark
++ 34 93 475 8804
Tel No:
export
800 463 9275
EXPORT – Farnell
Tel No:
++ 44 8701 200 208
Fax No: ++ 44 8701 200 209
For enquiries from all other markets
ESTONIA – Farnell
ISRAEL – Farnell
Tel No:
Tel No:
++ 358 9 560 7780
Fax No: ++ 358 9 345 5411
SINGAPORE –
Farnell-Newark
Tel No: ++ 65 6788 0200
++ 180 937 0015
Fax No: ++ 180 937 0014
Fax No: ++ 65 6788 0300
http://www.farnell.com
http://www.newark.com
http://www.cpc.co.uk
Disclaimer This data sheet and its contents (the "Information") belong to the Premier Farnell Group (the "Group") or are licensed to it. No licence is granted for the use of it other than for information purposes
in connection with the products to which it relates. No licence of any intellectual property rights is granted. The Information is subject to change without notice and replaces all data sheets previously supplied.
The Information supplied is believed to be accurate but the Group assumes no responsibility for its accuracy or completeness, any error in or omission from it or for any use made of it. Users of this data
sheet should check for themselves the Information and the suitability of the products for their purpose and not make any assumptions based on information included or omitted. Liability for loss or damage
resulting from any reliance on the Information or use of it (including liability resulting from negligence or where the Group was aware of the possibility of such loss or damage arising) is excluded.
This will not operate to limit or restrict the Group's liability for death or personal injury resulting from its negligence. SPC Multicomp is the registered trademark of the Group. © Premier Farnell plc 2008.
Page
18/07/08 V1.1
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