R2, 10-Mar-20201 / 3DZ116302C

YENYO

Dimensions in inches and (millimeters)

SMB5918B THRU SMB5956BSurface Mount Zener Diode

Zener Voltage 5.1 to 200 VPower Dissipation 3.0 Watts

SMB/DO-214AA

Features Ideally suited for automated assembly processes Low leakage Built-in strain relief Low inductance High peak reverse power dissipation Zener voltage tolerance is ±5%

Mechanical Data Case: Molded plastic, SMB/DO-214AA Epoxy: UL 94V-0 rate flame retardant Terminals: Solderable per MIL-STD-750, method 2026 Polarity: Color band denotes cathode end Mounting position: Any

PARAMETER UNITSYMBOL

WDC power dissipation at TL=75℃

℃

-55 to +150 ℃Storage temperature range

Junction temperature range

PD

TJ

TSTG

3

-55 to +150

VALUE

MAXIMUM RATINGSTA = 25℃ unless otherwise noted

.160(4.06)

.191(4.85)

.006(.152)

.012(.305)

.083(2.13)

.104(2.65)

.200(5.08)

.220(5.59).030(0.75).060(1.52)

MAX .008(.203)

.075(1.91)

.087(2.20)

.130(3.30)

.155(3.94)

DZ116302C 2 / 3 R2, 10-Mar-2020

MaximumDC ZenerCurrent

Min(V)

Max(V)

IZT

(mA)ZZT@IZT

(Ω)ZZK@IZK

(Ω)IZK

(mA)IR

(μA)VR

(V)IZM

(mA)SMB5918B 918B 4.84 5.36 73.5 4.0 350 1.00 5.0 2.0 294SMB5919B 919B 5.32 5.88 66.9 2.0 250 1.00 5.0 3.0 267SMB5920B 920B 5.89 6.51 60.5 2.0 200 1.00 5.0 4.0 241SMB5921B 921B 6.46 7.14 55.1 2.5 200 1.00 5.0 5.2 220SMB5922B 922B 7.12 7.88 50.0 3.0 400 0.50 5.0 6.0 200SMB5923B 923B 7.79 8.61 45.7 3.5 400 0.50 5.0 6.5 182SMB5924B 924B 8.64 9.56 41.2 4.0 500 0.50 5.0 7.0 164SMB5925B 925B 9.50 10.50 37.5 4.5 500 0.25 5.0 8.0 150SMB5926B 926B 10.45 11.55 34.1 5.5 550 0.25 1.0 8.4 136SMB5927B 927B 11.40 12.60 31.2 6.5 550 0.25 1.0 9.1 125SMB5928B 928B 12.35 13.65 28.8 7.0 550 0.25 1.0 9.9 115SMB5929B 929B 14.25 15.75 25.0 9.0 600 0.25 1.0 11.4 100SMB5930B 930B 15.20 16.80 23.4 10.0 600 0.25 1.0 12.2 93SMB5931B 931B 17.10 18,90 20.8 12.0 650 0.25 1.0 13.7 83SMB5932B 932B 19.00 21.00 18.7 14.0 650 0.25 1.0 15.2 75SMB5933B 933B 20.90 23.10 17.0 17.5 650 0.25 1.0 16.7 68SMB5934B 934B 22.80 25.20 15.6 19.0 700 0.25 1.0 18.2 62SMB5935B 935B 25.60 28.40 13.9 23.0 700 0.25 1.0 20.6 55SMB5936B 936B 28.50 31.50 12.5 28.0 750 0.25 1.0 22.8 50SMB5937B 937B 31.30 34.70 11.4 33.0 800 0.25 1.0 25.1 45SMB5938B 938B 34.20 37.80 10.4 38.0 850 0.25 1.0 27.4 41SMB5939B 939B 37.00 41.00 9.6 45.0 900 0.25 1.0 29.7 38SMB5940B 940B 40.80 45.20 8.7 53.0 950 0.25 1.0 32.7 34SMB5941B 941B 44.60 49.40 8 67.0 1000 0.25 1.0 35.8 31SMB5942B 942B 48.40 53.60 7.3 70.0 1100 0.25 1.0 38.8 29SMB5943B 943B 53.20 58.80 6.7 86.0 1300 0.25 1.0 42.6 26SMB5944B 944B 58.90 65.10 6 100 1500 0.25 1.0 47.1 24SMB5945B 945B 64.60 71.40 5.5 120 1700 0.25 1.0 51.7 22SMB5946B 946B 71.20 78.80 5 140 2000 0.25 1.0 56.0 20SMB5947B 947B 77.90 86.10 4.6 160 2500 0.25 1.0 62.2 18SMB5948B 948B 86.40 95.60 4.1 200 3000 0.25 1.0 69.2 16SMB5949B 949B 95.00 105.0 3.7 250 3100 0.25 1.0 76.0 15SMB5950B 950B 104.5 115.5 3.4 300 4000 0.25 1.0 83.6 13SMB5951B 951B 114.0 126.0 3.1 380 4500 0.25 1.0 91.2 12SMB5952B 952B 123.5 136.5 2.9 450 5000 0.25 1.0 98.8 11SMB5953B 953B 142.5 157.5 2.5 600 6000 0.25 1.0 114.0 10SMB5954B 954B 152.0 168.0 2.3 700 6500 0.25 1.0 121.6 9SMB5955B 955B 171.0 189.0 2.1 900 7000 0.25 1.0 136.8 8SMB5956B 956B 190.0 210.0 1.9 1200 8000 0.25 1.0 152.0 7

Electrical Characteristics(TA=25℃ unless otherwise noted)

SMB5918B THRU SMB5956B

Zener VoltageVZ@IZT

Maximum Zener ImpedanceMaximum ReverseLeakage Current

IR@VR

The revese surge current is a non-repetitive, 8.3ms pulse width square wave or equivalent sine-wave superimposed on IZT per JEDEC method

Part NumberDevice

MarkingCode

R2, 10-Mar-20203 / 3

YENYO TECHNOLOGY CO., LTD.

DZ116302C

RATINGS AND CHARACTERISTICS CURVES SMB5918B THRU SMB5956B

10.1

1000

1000

Dyn

amic

Impe

danc

e (Ω

)

Zener Test Current (mA)

Fig.2 - Effect of Zener Current

10

1 10 100

100

6.2V

13V

3.3V

200V

100

1000

100

Cap

acita

nce

(pF)

Breakdown Voltage (V)

Fig.3 - Capacitance Curve

10

100MEASURED @ VZ/2

MEASURED @ZERO BIAS

-42

100

100

Tem

pera

ture

Coe

ffici

ent (

mV

/℃)

Zener Voltage (V)

Fig.4 - Temperature Coefficients

0-2

84 106

VZ@IZT

2

64

810

00

3.0

150

Pow

er D

issi

patio

n (W

)

Lead Temperature (℃)

Fig.1 - Power Derating Curve

25

2.0

1.0

75 125

2.5

1.5

50 100

0.5

0.10

100

10

Zene

r Cur

rent

(mA

)

Zener Voltage (V)

Fig.5 - Zener Breakdown CharacteristicsVZ=3.3 to 10 V

5 9

10

1

31 42 86 70.1

0

100

100

Zene

r Cur

rent

(mA

)

Zener Voltage (V)

Fig.6 - Zener Breakdown CharacteristicsVZ=12 to 82 V

10

1

30 60 7010 40 8020 50 90