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參數資料
| 型號： | 1N5257BD2B.GRPB |
| 廠商： | SEMELAB LTD |
| 元件分類： | 齊納二極管 |
| 英文描述： | 33 V, 0.5 W, SILICON, UNIDIRECTIONAL VOLTAGE REGULATOR DIODE |
| 封裝： | HERMETIC SEALED, CERAMIC, DLCC2 VARIANT B, 2 PIN |
| 文件頁數： | 1/4頁 |
| 文件大小： | 187K |
| 代理商： | 1N5257BD2B.GRPB |
500mW ZENER DIODES
Semelab Limited reserves the right to change test conditions, parameter limits and package dimensions without notice.
Information furnished by Semelab is believed to be both accurate and reliable at the time of going to press. However
Semelab assumes no responsibility for any errors or omissions discovered in its use. Semelab encourages customers to
verify that datasheets are current before placing an order.
Semelab
Semelab Limited
Limited
Coventry Road, Lutterworth, Leicestershire, LE17 4JB
Document Number 9024
Telephone +44 (0) 1455 556565
Fax +44 (0) 1455 552612
Issue 2
Email: sales@semelab-tt.com
Website: http://www.semelab-tt.com
Page 1 of 4
1N5221BD2A TO 1N5261BD2A
DLCC2 Hermetic Ceramic Package Designed as a Drop-In
Replacement for “D-5A”/ “A-MELF” Package
Extensive Voltage Selection (2.4V – 47V)
Standard Zener Voltage Tolerance of ±5%
Regulation Over a Large Operating Current & Temperature Range
Space Level and High-Reliability Screening Options Available
ABSOLUTE MAXIMUM RATINGS (T
A = 25°C unless otherwise stated)
VZM
Reference Voltage
See Reference Table
IZM
Continuous DC Current
See Reference Table
PT
Total Power Dissipation at
TA = 75°C
500mW
TJ
Junction Temperature Range
-55 to +175
°C
TSTG
Storage Temperature Range
-65 to +175
°C
TSP
Maximum Soldering Pad Temperature for 20s
260
°C
THERMAL PROPERTIES
Symbol
Parameter
Max
Units
RθJA
(1)
Thermal Resistance Junction to Ambient
300
°C/W
(1)
PCB = FR4 – 0.0625 Inch (1.59mm), 1 Layer, 1.0-Oz Cu, 0.007 Inch
2 (1.7mm x 2.76mm2) Pad Size, horizontal, in still air
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相關代理商/技術參數 |
參數描述 |
|---|---|
| 1N5257B-G | 功能描述:穩壓二極管 VR=33V RoHS:否 制造商:Vishay Semiconductors 齊納電壓:12 V 電壓容差:5 % 電壓溫度系數:0.075 % / K 齊納電流: 功率耗散:3 W 最大反向漏泄電流:3 uA 最大齊納阻抗:7 Ohms 最大工作溫度:+ 150 C 安裝風格:SMD/SMT 封裝 / 箱體:DO-214AC 封裝:Reel |
| 1N5257BRL | 制造商:Motorola 功能描述:1N5257 SMT |
| 1N5257BT | 功能描述:穩壓二極管 RoHS:否 制造商:Vishay Semiconductors 齊納電壓:12 V 電壓容差:5 % 電壓溫度系數:0.075 % / K 齊納電流: 功率耗散:3 W 最大反向漏泄電流:3 uA 最大齊納阻抗:7 Ohms 最大工作溫度:+ 150 C 安裝風格:SMD/SMT 封裝 / 箱體:DO-214AC 封裝:Reel |
| 1N5257B-T | 功能描述:穩壓二極管 0.5W 33V 5% RoHS:否 制造商:Vishay Semiconductors 齊納電壓:12 V 電壓容差:5 % 電壓溫度系數:0.075 % / K 齊納電流: 功率耗散:3 W 最大反向漏泄電流:3 uA 最大齊納阻抗:7 Ohms 最大工作溫度:+ 150 C 安裝風格:SMD/SMT 封裝 / 箱體:DO-214AC 封裝:Reel |
| 1N5257BTA | 功能描述:DIODE ZENER 33V 500MW DO35 制造商:smc diode solutions 系列:- 包裝:帶卷（TR） 零件狀態:有效 電壓 - 齊納（標稱值）（Vz）:33V 容差:±5% 功率 - 最大值:500mW 阻抗（最大值）（Zzt）:58 歐姆 不同?Vr 時的電流 - 反向漏電流:100nA @ 24V 不同 If 時的電壓 - 正向（Vf）:1.1V @ 200mA 工作溫度:200°C 安裝類型:通孔 封裝/外殼:DO-204AH，DO-35，軸向 供應商器件封裝:DO-35 標準包裝:5,000 |
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