參數(shù)資料
型號(hào): 1N957B
廠商: ON SEMICONDUCTOR
元件分類: 參考電壓二極管
英文描述: 500 mW DO-35 Glass Zener Voltage Regulator Diode(500 mW DO-35封裝,6.8V齊納電壓,玻璃齊納穩(wěn)壓二極管)
中文描述: 6.8 V, 0.5 W, SILICON, UNIDIRECTIONAL VOLTAGE REGULATOR DIODE, DO-204AH
封裝: HERMETIC SEALED, GLASS, DO-35, 2 PIN
文件頁(yè)數(shù): 2/8頁(yè)
文件大?。?/td> 69K
代理商: 1N957B
GENERAL DATA — 500 mW DO-35 GLASS
Motorola TVS/Zener Device Data
6-2
500 mW DO-35 Glass Data Sheet
ELECTRICAL CHARACTERISTICS
(TA = 25
°
C, VF = 1.5 V Max at 200 mA for all types)
Type
Number
(Note 1)
Nominal
Zener Voltage
VZ
(Note 2)
Volts
Test
Current
IZT
mA
Maximum Zener Impedance
(Note 3)
Maximum
DC Zener Current
IZM
(Note 4)
mA
Maximum Reverse Current
ZZT @ IZT
Ohms
ZZK @ IZK
Ohms
IZK
mA
IR Maximum
μ
A
Test Voltage Vdc
VR
1N957B
1N958B
1N959B
1N960B
1N961B
1N962B
6.8
7.5
8.2
9.1
10
11
18.5
16.5
15
14
12.5
11.5
4.5
5.5
6.5
7.5
8.5
9.5
700
700
700
700
700
700
1
47
42
38
35
32
28
150
75
50
25
10
5
5.2
5.7
6.2
6.9
7.6
8.4
0.5
0.5
0.5
0.25
0.25
1N963B
1N964B
1N965B
1N966B
1N967B
1N968B
1N978B
12
13
15
16
18
20
51
10.5
9.5
8.5
7.8
7
6.2
2.5
11.5
13
16
17
21
25
125
700
700
700
700
750
750
1500
0.25
0.25
0.25
0.25
0.25
0.25
0.25
26
24
21
19
17
15
5.9
5
5
5
5
5
5
5
9.1
9.9
11.4
12.2
13.7
15.2
38.8
NOTE 1. TOLERANCE AND VOLTAGE DESIGNATION
Tolerance Designation
The type numbers shown have tolerance designations as follows:
1N4370A series:
±
5% units, C for
±
2%, D for
±
1%.
1N746A series:
±
5% units, C for
±
2%, D for
±
1%.
1N957B series:
±
5% units, C for
±
2%, D for
±
1%.
NOTE 2. ZENER VOLTAGE (VZ) MEASUREMENT
Nominal zener voltage is measured with the device junction in thermal equilibrium at the lead
temperature of 30
°
C
±
1
°
C and 3/8
lead length.
NOTE 3. ZENER IMPEDANCE (ZZ) DERIVATION
ZZT and ZZK are measured by dividing the ac voltage drop across the device by the ac current
applied. The specified limits are for IZ(ac) = 0.1 IZ(dc) with the ac frequency = 60 Hz.
NOTE 4. MAXIMUM ZENER CURRENT RATINGS (IZM)
Values shown are based on the JEDEC rating of 400 mW. Where the actual zener voltage
(VZ) is known at the operating point, the maximum zener current may be increased and is
limited by the derating curve.
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1N963B 500 mW DO-35 Glass Zener Voltage Regulator Diode(500 mW DO-35封裝,12V齊納電壓,玻璃齊納穩(wěn)壓二極管)
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