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參數(shù)資料
| 型號： | DCR251 |
| 英文描述： | CURRENT REGULATOR DIODES |
| 中文描述： | 電流調(diào)節(jié)二極管 |
| 文件頁數(shù)： | 1/1頁 |
| 文件大?。?/td> | 15K |
| 代理商： | DCR251 |
22 COREY STREET, MELROSE, MASSACHUSETTS 02176
PHONE (781) 665-1071
WEBSITE: http://www.cdi-diodes.com
FAX (781) 665-7379
E-mail: mail@cdi-diodes.com
CURRENT REGULATOR DIODES
CONSTANT CURRENT OVER WIDE VOLTAGE RANGE
HIGH SOURCE IMPEDANCE
METALLURGICALLY BONDED
DOUBLE PLUG CONSTRUCTION
DCR250
thru
DCR257
FIGURE 1
DESIGN DATA
CASE:
Hermetically sealed glass case.
DO-7 outline.
LEAD MATERIAL:
Copper clad steel.
LEAD FINISH:
Tin / Lead
THERMAL RESISTANCE: (
ROJEC):
250 C/W maximum at L = .375 inch
THERMAL IMPEDANCE: (
ZOJX): 25
C/W maximum
POLARITY:
Diode to be operated with
the banded (cathode) end negative.
MOUNTING POSITION:
Any
ELECTRICAL CHARACTERISTICS
@ 25°C, unless otherwise specified
MINIMUM
DYNAMIC
IMPEDANCE
@VS= 25V
ZS(K
)
(Note 2)
100
90
80
70
50
30
20
10
MINIMUM
KNEE
IMPEDANCE
@VK= 6.0 V
ZK(K
)
(Note 3)
4.0
4.0
3.0
2.0
1.5
1.5
1.0
1.0
MAXIMUM
LIMITING
VOLTAGE
@ lL= 0.8 l p (min)
VL(VOLTS)
3.67
4.03
4.46
4.90
5.40
5.90
6.55
7.20
TYPE
NUMBER l p (mA) @ VS= 25V
REGULATOR CURRENT
PEAK
OPERATING
VOLTAGE
VOLTS
80
80
70
70
60
60
50
50
(Note 1)
MIN
4.59
5.04
5.58
6.12
6.75
7.38
8.19
9.00
NOM
5.10
5.60
6.20
6.80
7.50
8.20
9.10
10.00
MAX
5.61
6.16
6.82
7.48
8.25
9.02
10.01
11.10
DCR250
DCR251
DCR252
DCR253
DCR254
DCR255
DCR256
DCR257
NOTE 1
Pulse measurement @ 1% duty cycle, 10 milliseconds maximum.
NOTE 2
ZS is derived by superimposing A 90Hz RMS signal equal to 10% of VSon VS
NOTE 3
ZKis derived by superimposing A 90Hz RMS signal equal to 10% of VKon VK
MAXIMUM RATINGS
Operating Temperature: -65°C to +175°C
Storage Temperature: -65°C to +175°C
DC Power Dissipation: 500 mW @ +50°C @ TL = 3/8”
Power Derating: 4 mW / °C above +50°C
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| DCR252 | CURRENT REGULATOR DIODES |
| DCR253 | CURRENT REGULATOR DIODES |
| DCR254 | CURRENT REGULATOR DIODES |
| DCR256 | CURRENT REGULATOR DIODES |
| DCR257 | CURRENT REGULATOR DIODES |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| DCR252 | 制造商:Microsemi Corporation 功能描述:CURRENT LIMITER DIODE DO-7 LAW - Bulk |
| DCR252BD4K7 | 制造商:Alpha 3 Manufacturing 功能描述: |
| DCR252T4K7-S8(PACKSOF8) | 制造商:Alpha 3 Manufacturing 功能描述: |
| DCR252T4K7-S8-PACKS | 制造商:Alpha 3 Manufacturing 功能描述: |
| DCR253 | 制造商:Microsemi Corporation 功能描述:CURRENT LIMITER DIODE DO-7 LAW - Bulk |
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