SMBF3Z3.9 Datasheet, PDF (1/3 Pages) SUNMATE electronic Co., LTD – SURFACE MOUNT SILICON ZENER DIODES

SMBF3Z3.9 - SMBF3Z400
SURFACE MOUNT SILICON ZENER DIODES
VOLTAGE RANGE: 3.9 - 400V
POWER: 3.0Wa t t s
Features
! Complete Voltage Range 3.9 to 400 Volts
! High peak reverse power dissipation
! High reliability
! Low leakage current
Mechanical Data
! Case:SMBF , Molded Plastic
! Terminals: Solder Plated, Solderable
per MIL-STD-750, Method 2026
! Polarity: Cathode Band or Cathode Notch
! Marking: Type Number
! Weight: 0.0018 ounces,0.05grams
B
C
E
D
H
L
E
SMBF
Dim Min Max Typ
A 5.45 5.55 5.50
B 4.27 4.33 4.30
C 3.57 3.63 3.60
D 1.32 1.38 1.35
E 1.96 2.00 1.98
H 0.019 0.021 0.20
L 0.73 0.77 0.75
All Dimensions in mm
A
Maximum Ratings ^TA ^{= 25°C unless otherwise specified}
Rating
Symbol
DC Power Dissipation at TL = 75 °C (Note1)
PD
Maximum Forward Voltage at IF = 200 mA
VF
Maximum Thermal Resistance Junction to Ambient Air (Note2) RθJA
Junction Temperature Range
TJ
Storage Temperature Range
Ts
Value
3.0
1.5
60
- 55 to + 175
- 55 to + 175
Note :
(1) TL = Lead temperature at 3/8 " (9.5mm) from body
(2) Valid provided that leads are kept at ambient temperature at a distance of 10 mm from case.
Unit
Watts
Volts
K/W
°C
°C
Fig. 1 Power Temperature Derating Curve
5
L = LEAD LENGTH
4
L = 1/8"
TO HEAT SINK
3
L = 3/8"
2
L = 1"
1
0
0
40
80
120
160
200
TL, LEAD TEMPERATURE (°C)
1 of 3
www.sunmate.tw