23 MILS
15 MILS
15 MILS23 MILS
• ZENER DIODE CHIPS
• ALL JUNCTIONS COMPLETELY PROTECTED WITH SILICON DIOXIDE
• ELECTRICALLY EQUIVALENT TO 1N4678 THRU 1N4717
• 0.5 WATT CAPABILITY WITH PROPER HEAT SINKING
• 50
µ
A, LOW OPERATING CURRENT, ZENER DIODES
• COMPATIBLE WITH ALL WIRE BONDING AND DIE ATTACH TECHNIQUES,
WITH THE EXCEPTION OF SOLDER REFLOW
CD4678
thru
CD4717
DESIGN DATA
METALLIZATION:
Top: (Anode).....................Al
Back: (Cathode)................Au
AL THICKNESS.............25,000 ÅMin
GOLD THICKNESS..........4,000 ÅMin
CHIP THICKNESS....................10 Mils
CIRCUIT LAYOUT DATA:
For Zener operation, cathode
must be operated positive with
respect to anode.
TOLERANCES: ALL
Dimensions + 2 mils
CDI NOMINAL ZENER MAXIMUM MAXIMUM REVERSE MAXIMUM
TYPE ZENER TEST VOLTAGE LEAKAGE DC ZENER
NUMBER VOLTAGE CURRENT REGULATION CURRENT CURRENT
VZlZT ∆VZlR@ VRlZM
(Note 1) (Note 3) (Note 2)
VOLTS
µ
AVOLTS
µ
A VOLTS mA
CD4678 1.8 50 0.70 7.5 1.0 120.0
CD4679 2.0 50 0.70 5.0 1.0 110.0
CD4680 2.2 50 0.75 4.0 1.0 100.0
CD4681 2.4 50 0.80 2.0 1.0 95.0
CD4682 2.7 50 0.80 1.0 1.0 90.0
CD4683 3.0 50 0.90 0.8 1.0 85.0
CD4684 3.3 50 0.95 7.5 1.5 80.0
CD4685 3.6 50 0.95 7.5 2.0 75.0
CD4686 3.9 50 0.97 5.0 2.0 70.0
CD4687 4.3 50 0.99 4.0 2.0 65.0
CD4688 4.7 50 0.99 10.0 3.0 60.0
CD4689 5.1 50 0.97 10.0 3.0 55.0
CD4690 5.6 50 0.96 10.0 4.0 50.0
CD4691 6.2 50 0.95 10.0 5.0 45.0
CD4692 6.8 50 0.90 10.0 5.1 35.0
CD4693 7.5 50 0.75 10.0 5.7 31.8
CD4694 8.2 50 0.50 1.0 6.2 29.0
CD4695 8.7 50 0.10 1.0 6.6 27.4
CD4696 9.1 50 0.08 1.0 6.9 26.2
CD4697 10.0 50 0.10 1.0 7.6 24.8
CD4698 11.0 50 0.11 0.05 8.4 21.6
CD4699 12.0 50 0.12 0.05 9.1 20.4
CD4700 13.0 50 0.13 0.05 9.8 19.0
CD4701 14.0 50 0.14 0.05 10.6 17.5
CD4702 15.0 50 0.15 0.05 11.4 16.3
CD4703 16.0 50 0.16 0.05 12.1 15.4
CD4704 17.0 50 0.17 0.05 12.9 14.5
CD4705 18.0 50 0.18 0.05 13.6 13.2
CD4706 19.0 50 0.19 0.05 14.4 12.5
CD4707 20.0 50 0.20 0.01 15.2 11.9
CD4708 22.0 50 0.22 0.01 16.7 10.8
CD4709 24.0 50 0.24 0.01 18.2 9.9
CD4710 25.0 50 0.25 0.01 19.0 9.5
CD4711 27.0 50 0.27 0.01 20.4 8.8
CD4712 28.0 50 0.28 0.01 21.2 8.5
CD4713 30.0 50 0.30 0.01 22.8 7.9
CD4714 33.0 50 0.33 0.01 25.0 7.2
CD4715 36.0 50 0.36 0.01 27.3 6.6
CD4716 39.0 50 0.39 0.01 29.8 6.1
CD4717 43.0 50 0.43 0.01 32.6 5.5
NOTE 1 The JEDEC type numbers shown above have a standard tolerance of
+5% oF the nominal Zener voltage. Vz is measured with the diode in
thermal equilibrium at 25°C + 3°C.
NOTE 2 VZ@ 100
µ
A minus VZ@ 10
µ
A.
NOTE 3 Zener voltage is read using a pulse measurement, 10 milliseconds maximum.
MAXIMUM RATINGS
Operating Temperatures: -65°C to +175°C
Storage Temperatures: -65°C to +175°C
Forward Voltage @ 200 mA: 1.5 Volts maximum
ELECTRICAL CHARACTERISTICS @ 25°C, unless otherwise specified.
BACKSIDE IS CATHODE
FIGURE 1
22 COREY STREET, MELROSE, MASSACHUSETTS 02176
PHONE (781) 665-1071 F AX (781) 665-7379
WEBSITE: http://www.cdi-diodes.com E-mail: mail@cdi-diodes.com
CD4678 thru CD4717
0 25 50 75 100 125 150 175 200
TA, Ambient temperature (C°)
POWER DERATING CURVE
600
500
400
300
200
100
0
Pd, Rated Power
Dissipation (mW)
FIGURE 2
.1 .2 .3 .4 .5 1 2 5 10 20 30 40 50 100
OPERATING CURRENT lZT (mA)
FIGURE 3
ZENER IMPEDANCE VS. OPERATING CURRENT
1000
500
400
300
200
100
50
40
30
20
10
5
4
3
2
1
ZENER IMPEDANCE ZZT (OHMS)
3.3 VOLT
5.1 VOLT
27 VOLT
11 VOLT
6.2 VOLT
