Stresses exceeding those listed in the Maximum Ratings table may damage the device. If any of these limits are exceeded, device functionality
should not be assumed, damage may occur and reliability may be affected.
1. Non−repetitive current per Figure 2. Derate per Figure 3.
ELECTRICAL CHARACTERISTICS
(T
A
= 25°C unless otherwise noted)
Breakdown Voltage
V
BR
@ 1 mA (Volts)
Device
SMF05
Min
6.0
Max
7.2
Leakage Current
I
R
@ V
RWM
= 5 V
(mA)
5.0
Capacitance
@ 0 V Bias
(pF)
90
Max
V
F
@ I
F
= 200 mA
(V)
1.25
Max Clamping
Voltage (V
C
)
@ I
PP
I
PP
(A)
1.0
V
C
(V)
9.5
Max Clamping
Voltage (V
C
)
@ I
PP
I
PP
(A)
12
V
C
(V)
12.5
TYPICAL PERFORMANCE CURVES
(T
A
= 25°C unless otherwise noted)
1000
Ppk , PEAK SURGE POWER (WATTS)
100
90
% OF PEAK PULSE CURRENT
80
70
60
50
40
30
20
10
0
t
r
PEAK VALUE I
RSM
@ 8
ms
PULSE WIDTH (t
P
) IS DEFINED
AS THAT POINT WHERE THE
PEAK CURRENT DECAY = 8
ms
HALF VALUE I
RSM
/2 @ 20
ms
100
10
NOTE: Non−Repetitive Surge.
1
1
10
t, TIME (ms)
100
1000
t
P
0
20
40
t, TIME (ms)
60
80
Figure 1. Peak Power Dissipation versus
Pulse Width
Figure 2. Pulse Waveform 8 x 20
ms
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2
SMF05
TYPICAL PERFORMANCE CURVES
(T
A
= 25°C unless otherwise noted)
100
90
PEAK POWER DISSIPATION (%)
TYPICAL CAPACITANCE (pF)
80
70
60
50
40
30
20
10
0
0
25
50
75
100
125
150
175
200
100
90
80
70
60
50
40
30
20
10
0
0
1.0
2.0
3.0
4.0
5.0
BIAS VOLTAGE (VOLTS)
f = 1 MHz
T
A
, AMBIENT TEMPERATURE (°C)
Figure 3. Power Derating Curve
Figure 4. Junction Capacitance versus
Reverse Voltage
100
Ipp, PEAK PULSE CURRENT (AMPS)
1.0
IF , FORWARD CURRENT (A)
0.1
10
0.01
2.5
ms
SQUARE WAVE
0.001
0.6
0.7
0.8
0.9
1.0
1.1
1.2
V
F
, FORWARD VOLTAGE (VOLTS)
1.0
0
5.0
10
15
20
25
30
V
C
, CLAMPING VOLTAGE (VOLTS)
Figure 5. Forward Voltage Curve
Figure 6. Clamping Voltage versus Peak
Pulse Current (Reverse Direction)
100
Ipp, PEAK PULSE CURRENT (AMPS)
2.5
ms
SQUARE WAVE
10
1.0
0
2.0
4.0
6.0
8.0
10
12
V
C
, FORWARD CLAMPING VOLTAGE (VOLTS)
Figure 7. Clamping Voltage versus Peak
Pulse Current (Forward Direction)
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3
SMF05
PACKAGE DIMENSIONS
SC−88A (SC−70−5/SOT−353)
CASE 419A−02
ISSUE L
A
G
NOTES:
1. DIMENSIONING AND TOLERANCING
PER ANSI Y14.5M, 1982.
2. CONTROLLING DIMENSION: INCH.
3. 419A−01 OBSOLETE. NEW STANDARD
419A−02.
4. DIMENSIONS A AND B DO NOT INCLUDE
MOLD FLASH, PROTRUSIONS, OR GATE
BURRS.
INCHES
MIN
MAX
0.071
0.087
0.045
0.053
0.031
0.043
0.004
0.012
0.026 BSC
---
0.004
0.004
0.010
0.004
0.012
0.008 REF
0.079
0.087
MILLIMETERS
MIN
MAX
1.80
2.20
1.15
1.35
0.80
1.10
0.10
0.30
0.65 BSC
---
0.10
0.10
0.25
0.10
0.30
0.20 REF
2.00
2.20
5
4
S
1
2
3
−B−
D
5 PL
0.2 (0.008)
M
B
M
N
J
C
DIM
A
B
C
D
G
H
J
K
N
S
STYLE 5:
PIN 1. CATHODE
2. COMMON ANODE
3. CATHODE 2
4. CATHODE 3
5. CATHODE 4
H
K
SOLDER FOOTPRINT
0.50
0.0197
0.65
0.025
0.65
0.025
0.40
0.0157
1.9
0.0748
SCALE 20:1
mm
inches
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4
SMF05
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