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參數資料
| 型號： | SC-74 |
| 廠商： | ON SEMICONDUCTOR |
| 英文描述： | SWITCH PIN PLUNGER SPDT 5A |
| 中文描述： | MMQA四共陽極系列 |
| 文件頁數： | 1/6頁 |
| 文件大?。?/td> | 67K |
| 代理商： | SC-74 |
Semiconductor Components Industries, LLC, 2004
April, 2004 Rev. 4
1
Publication Order Number:
MMQA/D
MMQA Quad Common
Anode Series
Preferred Devices
SC74 Quad Monolithic
Common Anode
Transient Voltage Suppressors
for ESD Protection
This quad monolithic silicon voltage suppressor is designed for
applications requiring transient overvoltage protection capability. It is
intended for use in voltage and ESD sensitive equipment such as
computers, printers, business machines, communication systems,
medical equipment, and other applications. Its quad junction common
anode design protects four separate lines using only one package.
These devices are ideal for situations where board space is at a
premium.
Specification Features:
SC74 Package Allows Four Separate Unidirectional Configurations
Peak Power Min. 24 W @ 1.0 ms (Unidirectional),
per Figure 5 Waveform
Peak Power Min. 150 W @ 20 s (Unidirectional),
per Figure 6 Waveform
Maximum Clamping Voltage @ Peak Pulse Current
Low Leakage < 2.0 A
ESD Rating of Class N (exceeding 16 kV) per the
Human Body Model
PbFree Packages are Available
THERMAL CHARACTERISTICS
(T
A
= 25
°
C unless otherwise noted)
Characteristic
Symbol
Value
Unit
Peak Power Dissipation @ 1.0 ms (Note 1)
@ T
A
≤
25
°
C
P
pk
24
W
Peak Power Dissipation @ 20 s (Note 2) @
T
A
≤
25
°
C
P
pk
150
W
Total Power Dissipation on FR-5 Board
(Note 3) @ T
A
= 25
°
C
°
P
D
°
°
225
1.8
°
mW
°
mW/
°
C
Thermal Resistance from JunctiontoAmbi-
ent
R
JA
556
°
C/W
Total Power Dissipation on Alumina Sub-
strate (Note 4) @ T
A
= 25
°
C
Derate above 25
°
C
°
P
D
°
°
300
2.4
°
mW
mW/
°
C
Thermal Resistance from JunctiontoAmbi-
ent
R
JA
417
°
C/W
Junction and Storage Temperature Range
T
J
, T
stg
°
55 to
+150
°
°
C
Lead Solder Temperature Maximum (10
Second Duration)
T
L
260
°
C
SC74 QUAD TRANSIENT
VOLTAGE SUPPRESSOR
24 WATTS PEAK POWER
5.6 33 VOLTS
Preferred
devices are recommended choices for future use
and best overall value.
SC74
PLASTIC
CASE 318F
PIN 1. CATHODE
2. ANODE
3. CATHODE
4. CATHODE
5. ANODE
6. CATHODE
1
2
3
6
5
4
xxx
M
= Device Code
= Date Code
MARKING DIAGRAM
xxx
See detailed ordering and shipping information in the table on
page 5 of this data sheet.
ORDERING INFORMATION
See specific marking information in the device marking table
on page 5 of this data sheet.
DEVICE MARKING INFORMATION
PIN ASSIGNMENT
M
http://onsemi.com
1
6
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