MMSZ4678 - MMSZ4717
VZ : 1.8 to 43 V
PD : 500 mW
FEATURES :
* Total Power Dissipation 500 mW on FR-4 or FR-5 Board
* Wide Zener Reverse Voltage Range 1.8 V to 43 V
* Package Designed for Optimal Automated Board Assembly
* Small Package Size for High Density Applications
* Pb / RoHS Free
MECHANICAL DATA :
* Case : SOD-123
* Weight : 0.01 gram (approximately)
Maximum Ratings and Thermal Characteristics
Rating at 25 °C ambient temperature unless otherwise specified.
Symbol Value Unit
Zener Current see Table "Characteristics"
Total Power Dissipation on FR-5 Board, at TL = 75 °CPD500(1) mW
Derated above 75 °C6.7 mW/°C
Maximum Forward Voltage at IF = 10 mA VF0.95 V
Thermal Resistance Junction to Ambient RӨJA 340 °C/W
Thermal Resistance Junction to Lead RӨJL 150 °C/W
Junction Temperature Range TJ-55 to + 150 °C
Storage Temperature Range TSTG -55 to + 150 °C
Note :
(1) FR-5 = 3.5 x 1.5 inches,using the minimum recommended footprint.
Page 1 of 4 Rev. 02 : April 5, 2006
Parameter
ZENER DIODES
1.15
1.05
0.135
0.127
1.65
1.55
3.9
3.7
0.6
0.5
2.7
2.6
Dimensions in millimeters
SOD-123
Certificate TH97/10561QM Certificate TW00/17276EM
ELECTRICAL CHARACTERISTICS
Rating at 25 °C ambient temperature unless otherwise specified.
Test Maximum Reverse
Current Leakage Current
IZT
Min. Nom. Max. (µA) (μA) (V)
MMSZ4678 BC 1.71 1.8 1.89 50 7.5 1.0
MMSZ4679 BD 1.90 2.0 2.10 50 5.0 1.0
MMSZ4680 BE 2.09 2.2 2.31 50 4.0 1.0
MMSZ4681 BF 2.28 2.4 2.52 50 2.0 1.0
MMSZ4682 BH 2.565 2.7 2.835 50 1.0 1.0
MMSZ4683 BJ 2.85 3.0 3.15 50 0.8 1.0
MMSZ4684 BK 3.13 3.3 3.47 50 7.5 1.5
MMSZ4685 BM 3.42 3.6 3.78 50 7.5 2.0
MMSZ4686 BN 3.70 3.9 4.10 50 5.0 2.0
MMSZ4687 BP 4.09 4.3 4.52 50 4.0 2.0
MMSZ4688 BR 4.47 4.7 4.94 50 10 3.0
MMSZ4689 BX 4.85 5.1 5.36 50 10 3.0
MMSZ4690 BY 5.32 5.6 5.88 50 10 4.0
MMSZ4691 BZ 5.89 6.2 6.51 50 10 5.0
MMSZ4692 CA 6.46 6.8 7.14 50 10 5.1
MMSZ4693 CB 7.13 7.5 7.88 50 10 5.7
MMSZ4694 CC 7.79 8.2 8.61 50 1.0 6.2
MMSZ4695 CD 8.27 8.7 9.14 50 1.0 6.6
MMSZ4696 CE 8.65 9.1 9.56 50 1.0 6.9
MMSZ4697 CF 9.50 10 10.50 50 1.0 7.6
MMSZ4698 CH 10.45 11 11.50 50 0.05 8.4
MMSZ4699 CJ 11.40 12 12.60 50 0.05 9.1
MMSZ4700 CK 12.35 13 13.65 50 0.05 9.8
MMSZ4701 CM 13.30 14 14.70 50 0.05 10.6
MMSZ4702 CN 14.25 15 15.75 50 0.05 11.4
MMSZ4703 CP 15.20 16 16.80 50 0.05 12.1
MMSZ4704 CR 16.15 17 17.85 50 0.05 12.9
MMSZ4705 CX 17.10 18 18.90 50 0.05 13.6
MMSZ4706 CY 18.05 19 19.95 50 0.05 14.4
MMSZ4707 CZ 19.00 20 21.00 50 0.01 15.2
MMSZ4708 DA 20.90 22 23.10 50 0.01 16.7
MMSZ4709 DB 22.80 24 25.20 50 0.01 18.2
MMSZ4710 DC 23.75 25 26.25 50 0.01 19.0
MMSZ4711 DD 25.65 27 28.35 50 0.01 20.4
MMSZ4712 DE 26.60 28 29.40 50 0.01 21.2
MMSZ4713 DF 28.50 30 31.50 50 0.01 22.8
MMSZ4714 DH 31.35 33 34.65 50 0.01 25.0
MMSZ4715 DJ 34.20 36 37.80 50 0.01 27.3
MMSZ4716 DK 37.05 39 40.95 50 0.01 29.6
MMSZ4717 DM 40.85 43 45.15 50 0.01 32.6
Notes :
(1) Tested with pulses tp = 20 ms
(2) Nominal Zener voltage is measured with the device junction in thermal equilibrium at T
L = 30°C ±1°C
Page 2 of 4 Rev. 02 : April 5, 2006
Type No. IR @ V R
VZ @ IZT (V)
Zener Voltage (1,2)
Marking
Certificate TH97/10561QM Certificate TW00/17276EM
FIG.1 - TEMPERATURE COEFFICIENTS FIG.2 - TEMPERATURE COEFFICIENTS
(TEMPERATURE RANGE - 55 °C to +150 °C) (TEMPERATURE RANGE - 55 °C to +150 °C)
FIG.3 - TYPICAL FORWARD VOLTAGE FIG.4 - MAXIMUM NON-REPETITIVE SURGE POWER
Page 3 of 4 Rev. 02 : April 5, 2006
RATING AND CHARACTERISTIC CURVES ( MMSZ4678 - MMSZ4717 )
-4
02 4 6 8 10 12
8
6
4
2
0
-2
1
10 10
10
10
ӨVZ, TEMPERATURE COEFFICIENT, (mV/°C)
VZ, NOMINAL ZENER VOLTAGE, (V) VZ, NOMINAL ZENER VOLTAGE, (V)
ӨVZ, TEMPERATURE COEFFICIENT, (mV/°C)
1
0.4 0.5 0.6 0.7 0.8 1.0 1.2
VF, FORWARD VOLTAGE, (V)
10
10
1000
1
10
10
1000
0.1 1 10 100 1000
PW, PULSE WIDTH, (ms)
PPK, TPEAK SURGE POWER, (W)
IF, FORWARD CURRENT, (mA)
TYPICAL T
C VALUES TYPICAL T
C VALUES
VZ @ IZT VZ @ IZT
RECTANGULAR
WAVEFORM, TA = 25 °C
0.9 1.1
25 °C
Certificate TH97/10561QM Certificate TW00/17276EM
FIG.5 - ZENER VOLTAGE VS. ZENER CURRENT FIG.6 - ZENER VOLTAGE VS. ZENER CURRENT
(VZ Up to 12 V) (VZ 12 V to 91 V)
FIG.7 - STEADY STATE POWER DERATING
Page 4 of 4 Rev. 02 : April 5, 2006
RATING AND CHARACTERISTIC CURVES ( MMSZ4678 - MMSZ4717 )
0.01
02 4 681012
VZ, ZENER VOLTAGE, (V)
0.1
1
10
0.01
0.1
1
10
10 30 50 70 90
IZ, ZENER CURRENT, (mA)
100 100
VZ, ZENER VOLTAGE, (V)
IZ, ZENER CURRENT, (mA)
T, TEMPERATURE, (°C)
PD, POWER DISSIPATION, (W)
1.2
0
0.2
0.4
0.6
0.8
1.0
0 25 50 75 100 125 150
PD versus TL
PD versus TA
TA = 25 °C TA = 25 °C
Certificate TH97/10561QM Certificate TW00/17276EM
