1KSMB22 Littelfuse Inc, 1KSMB22 Datasheet - Page 3
![DIODE TVS 1000W 22V UNI-DIR SMD](/photos/10/65/106531/mfg_1ksmb_sml.jpg)
1KSMB22
Manufacturer Part Number
1KSMB22
Description
DIODE TVS 1000W 22V UNI-DIR SMD
Manufacturer
Littelfuse Inc
Series
1KSMBr
Datasheet
1.1KSMB16.pdf
(5 pages)
Specifications of 1KSMB22
Voltage - Reverse Standoff (typ)
18.8V
Voltage - Breakdown
20.9V
Power (watts)
1000W
Polarization
Unidirectional
Mounting Type
Surface Mount
Package / Case
DO-214AA, SMB
Lead Free Status / RoHS Status
Lead free by exemption / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
1KSMB22A
Manufacturer:
VISHAY/威世
Quantity:
20 000
Part Number:
1KSMB22CA
Manufacturer:
VISHAY/威世
Quantity:
20 000
©2009 Littelfuse, Inc.
Specifications are subject to change without notice.
Please refer to http://www.Littelfuse.com/series/1KSMB.html for current information.
Ratings and Characteristic Curves
Figure 1 - Peak Pulse Power Rating Curve
Figure 3 - Pulse Waveform
Figure 5 - Steady State Power Dissipation Derating
100
150
100
10
50
1
Curve
0
0.000001
6
5
4
3
2
1
0
0
0
0.2x0.2" (5.0x5.0mm)
Copper Pad Area
t d
25
t r =10μsec
Peak Value
I PPM
T
1.0
A
0.00001
50
- Ambient Temperature(ºC)
t
d
-Pulse Width (sec.)
t-Time (ms)
Half Value
I PPM
75
2.0
( )
I PPM
100
2
10/1000μsec. Waveform
as defined by R.E.A
T J =25°C
Pulse Width(td) is defined
as the point where the peak
current decays to 50% of I PPM
0.0001
(T
A
=25°C unless otherwise noted)
125
3.0
Transient Voltage Suppression Diodes
Surface Mount – 1000W > 1KSMB series
150
0.001
175
4.0
Revision: January 09, 2009
37
Figure 6 - Maximum Non-Repetitive Peak Forward
Figure 2 - Pulse Derating Curve
Figure 4 - Typical Junction Capacitance
10000
1000
100
10
100
Surge Current Uni-Directional Only
80
60
40
20
1
120
100
0
1.0
80
60
40
20
0
1
0
Tj=25C
f=1.0MHz
Vsig=50mVp-p
Uni-directional @V
V
25
BR
- Reverse Breakdown Voltage (V)
T
A
10.0
-Ambient temperature (ºC)
Number of Cycles at 60 Hz
50
R
75
Bi-directional @V
Bi-directional V=0V
10
100
100.0
Uni-directional V=0V
125
R
150
1000.0
100
1KSMB Series
175