參數(shù)資料
型號(hào)： 1SMA78AT3
廠商： MOTOROLA INC
元件分類： 參考電壓二極管
英文描述： Zener Transient Voltage Suppressors
中文描述： 400 W, UNIDIRECTIONAL, SILICON, TVS DIODE
封裝： PLASTIC, CASE 403B-01, SMA, 2 PIN
文件頁(yè)數(shù)： 2/6頁(yè)
文件大小： 55K
代理商： 1SMA78AT3
1SMA5.0AT3 Series
http://onsemi.com
2
MAXIMUM RATINGS
Rating
Symbol
Value
Unit
Peak Power Dissipation (Note 1) @ T
L
= 25
°
C, Pulse Width = 1 ms
P
PK
400
W
DC Power Dissipation @ T
L
= 75
°
C
Measured Zero Lead Length (Note 2)
Derate Above 75
°
C
Thermal Resistance from Junction to Lead
P
D
R
JL
1.5
20
50
W
mW/
°
C
°
C/W
DC Power Dissipation (Note 3) @ T
A
= 25
°
C
Derate Above 25
°
C
Thermal Resistance from Junction to Ambient
P
D
R
JA
0.5
4.0
250
W
mW/
°
C
°
C/W
Forward Surge Current (Note 4) @ T
A
= 25
°
C
I
FSM
40
A
Operating and Storage Temperature Range
T
J
, T
stg
65 to +150
°
C
Maximum ratings are those values beyond which device damage can occur. Maximum ratings applied to the device are individual stress limit
values (not normal operating conditions) and are not valid simultaneously. If these limits are exceeded, device functional operation is not implied,
damage may occur and reliability may be affected.
1. 10 X 1000 s, nonrepetitive
2. 1
″
square copper pad, FR4 board
3. FR4 board, using ON Semiconductor minimum recommended footprint, as shown in 403B case outline dimensions spec.
4. 1/2 sine wave (or equivalent square wave), PW = 8.3 ms, duty cycle = 4 pulses per minute maximum.
UniDirectional TVS
I
PP
I
F
V
I
I
R
I
T
V
RWM
V
C
V
BR
V
F
ELECTRICAL CHARACTERISTICS
(T
A
= 25
°
C unless otherwise noted, V
F
= 3.5 V Max. @
I
F
= 30 A for all types) (Note 5)
Symbol
Parameter
I
PP
Maximum Reverse Peak Pulse Current
V
C
Clamping Voltage @ I
PP
V
RWM
Working Peak Reverse Voltage
I
R
Maximum Reverse Leakage Current @ V
RWM
V
BR
Breakdown Voltage @ I
T
I
T
Test Current
I
F
Forward Current
V
F
Forward Voltage @ I
F
5. 1/2 sine wave or equivalent, PW = 8.3 ms, nonrepetitive
duty cycle.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
1SMA78CAT3 功能描述:TVS 二極管 - 瞬態(tài)電壓抑制器 78V 400W RoHS:否 制造商:Vishay Semiconductors 極性:Bidirectional 工作電壓: 擊穿電壓:58.9 V 鉗位電壓:77.4 V 峰值浪涌電流:38.8 A 系列: 封裝 / 箱體:DO-214AB 最小工作溫度:- 55 C 最大工作溫度:+ 150 C
1SMA78CAT3G 功能描述:TVS 二極管 - 瞬態(tài)電壓抑制器 ZEN SMA TVS RoHS:否 制造商:Vishay Semiconductors 極性:Bidirectional 工作電壓: 擊穿電壓:58.9 V 鉗位電壓:77.4 V 峰值浪涌電流:38.8 A 系列: 封裝 / 箱體:DO-214AB 最小工作溫度:- 55 C 最大工作溫度:+ 150 C
1SMA8.0AT3 功能描述:TVS 二極管 - 瞬態(tài)電壓抑制器 8V 400W RoHS:否 制造商:Vishay Semiconductors 極性:Bidirectional 工作電壓: 擊穿電壓:58.9 V 鉗位電壓:77.4 V 峰值浪涌電流:38.8 A 系列: 封裝 / 箱體:DO-214AB 最小工作溫度:- 55 C 最大工作溫度:+ 150 C
1SMA8.0AT3G 功能描述:TVS 二極管 - 瞬態(tài)電壓抑制器 8V 400W Unidirectional RoHS:否 制造商:Vishay Semiconductors 極性:Bidirectional 工作電壓: 擊穿電壓:58.9 V 鉗位電壓:77.4 V 峰值浪涌電流:38.8 A 系列: 封裝 / 箱體:DO-214AB 最小工作溫度:- 55 C 最大工作溫度:+ 150 C
1SMA8.5AT3 功能描述:TVS 二極管 - 瞬態(tài)電壓抑制器 8.5V 400W RoHS:否 制造商:Vishay Semiconductors 極性:Bidirectional 工作電壓: 擊穿電壓:58.9 V 鉗位電壓:77.4 V 峰值浪涌電流:38.8 A 系列: 封裝 / 箱體:DO-214AB 最小工作溫度:- 55 C 最大工作溫度:+ 150 C
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