1N746 thru 1N759A, -1 and
1N4370 thru 1N4372A, -1 DO-35
Silicon 500 mW Zener Diodes
S C O T T S D A L E D I V I S I O N
ELECTRICAL CHARACTERISTICS* @ 25oC
NOMINAL
ZENER
MAXIMUM
MAXIMUM REVERSE
CURRENT IR
MAXIMUM
ZENER
TYPICAL
TEMP COEFF.
OF ZENER
VOLTAGE
ZENER
TEST
ZENER
JEDEC
VOLTAGE
VZ @ IZT
(NOTE 2)
CURRENT
IZT
IMPEDANCE
ZZT @ IZT
(NOTE 3)
CURRENT
IZM
TYPE NO.
@ VR = 1 VOLT
α
(NOTE1)
(NOTE 4)
@25ºC
µA
@+150ºC
µA
VZ
VOLTS
2.4
mA
20
OHMS
30
mA
150
135
120
%/oC
-.085
-.080
-.075
1N4370
1N4371
1N4372
100
75
200
2.7
20
30
150
3.0
20
29
50
100
1N746
1N747
1N748
1N749
1N750
1N751
1N752
1N753
1N754
1N755
1N756
1N757
1N758
1N759
3.3
3.6
3.9
4.3
4.7
5.1
5.6
6.2
6.8
7.5
8.2
9.1
10.0
12.0
20
20
20
20
20
20
20
20
20
20
20
20
20
20
28
24
23
22
19
17
11
7
10
10
10
2
30
30
30
30
30
20
20
20
20
20
20
20
20
20
110
100
95
85
75
70
65
60
55
50
45
40
35
30
-.066
-.058
-.046
-.033
2
-.015
1
+/-.010
+.030
+.049
+.053
+.057
+.060
+.061
+.062
+.062
1
.1
.1
.1
.1
.1
.1
.1
5
6
8
10
17
30
* JEDEC Registered Data
NOTE 1: Standard tolerance on JEDEC types shown is +/- 10%. Suffix letter A denotes +/- 5% tolerance; suffix
letter C denotes +/- 2%; and suffix letter D denotes +/- 1% tolerance.
NOTE 2: Voltage measurements to be performed 20 seconds after application of dc test current.
NOTE 3: Zener impedance derived by superimposing on IZT, a 60 cps, rms ac current equal to 10% IZT (2mA ac). See MicroNote 202 for
typical zener Impedance variation with different operating currents.
NOTE 4: Allowance has been made for the increase in VZ due to ZZ and for the increase in junction temperature as the unit approaches
thermal equilibrium at the power dissipation of 400 mW.
GRAPHS
TL – LEAD TEMPERATURE (oC) 3/8” FROM BODY or
TA on FR4 PC BOARD
NOMINAL ZENER VOLTAGE (VOLTS)
FIGURE 1
FIGURE 2
POWER DERATING CURVE
ZENER VOLTAGE TEMPERATURE
COEFFICIENT vs. ZENER VOLTAGE
Copyright 2003
10-31-2003 REV B
Microsemi
Page 2
Scottsdale Division
8700 E. Thomas Rd. PO Box 1390, Scottsdale, AZ 85252 USA, (480) 941-6300, Fax: (480) 947-1503