Notes:
(1) Measured on Tektronix Type S recovery plug-in. Tektronix 545 Scope or equivalent, I
FM
=20mA, I
RM
=1mA
(2) Measured at 1.0MHz and applied reverse voltage of 4.0 volts
(3) Thermal resistance from junction to ambient and from junction to lead at 0.375 (9.5mm) lead length, P.C.B. mounted
Symbols
BHT18
Units
Maximum repetitive peak reverse voltage
V
RRM
1100
Volts
Maximum RMS voltage
V
RMS
770
Volts
Maximum DC blocking voltage
V
DC
1100
Volts
Maximum average forward rectified current
0.375" (9.5mm) lead length at T
A
=75
I
(AV)
1.0
Amp
Peak forward surge current
8.3mS single half sine-wave superimposed
on rated load (MIL-STD-750D 4066 method)
I
FSM
30.0
Amps
Maximum instantaneous forward voltage at 1.0A
V
F
1.0
Volts
Maximum full load reverse current, full cycle
average 0.375" (9.5mm) lead length at T
A
=75
I
R(AV)
30.0
A
Maximum DC reverse current T
A
=25
at rated DC blocking voltage T
A
=100
I
R
1.0
30.0
A
Typical reverse recovery time (Note 1)
T
rr
30.0
S
Typical junction capacitance (Note 2)
C
J
15.0
F
Typical thermal resistance (Note 3)
R
JA
R
JL
50.0
25.0
/W
Operating junction and storage temperature range
T
J
, T
STG
-50 to +175
Features
Mechanical Data
BHT18
ELECTRONIC LAMP BALLASTS RECTIFIER
Reverse Voltage -
1100 Volts
Forward Current -
1.0 Ampere
The plastic package carries Underwriters Laboratory
Flammability Classification 94V-0
Construction utilizes void-free molded plastic technique
Low reverse leakage
High forward surge current capability
High temperature soldering guaranteed:
250 /10 seconds, 0.375 (9.5mm) lead length,
5 lbs. (2.3Kg) tension
Case: DO-41 molded plastic body
Terminals: Plated axial leads, solderable per
MIL-STD-750, method 2026
Polarity: Color band denotes cathode end
Mounting Position: Any
Weight: 0.012 ounce, 0.33 gram
Maximum Ratings and Electrical Characteristics
1
Ratings at 25 ambient temperature unless otherwise specified.
DIMENSIONS
DIM
inches
mm
Note
Min.
Max.
Min.
Max.
A
0.165
0.205
4.2
5.2
B
0.079
0.106
2.0
2.7
C
0.028
0.034
0.71
0.86
D
1.000
-
25.40
-
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