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FEATURES
? RUGGED VITREOUS ENAMEL COATING
WITHSTANDS HIGH HUMIDITY AND
TEMPERATURE CYCLING.
? DURABLE CONSTRUCTION, RECOM -
MENDED FOR INDUSTRIAL APPLICA -
TIONS WHERE RELIABILITY IS PARA -
MOUNT.
? ALL-WELDED CONSTRUCTION.
? FLAME RESISTANT LEAD FREE VITRE -
OUS ENAMEL COATING.
? ROHS COMPLIANT; ADD “E” SUFFIX
TO PART NUMBER TO SPECIFY.
SPECIFICATIONS
Material
Coating: CONFORMAL
LEAD FREE VITREOUS ENAMEL.
Core: CERAMIC.
Terminals: SOLDER-COATED AXIAL.
ROHS SOLDER COMPOSITION IS 96%
SN, 3.5% AG, 0.5% CU
Derating
LINEARLY FROM
100% @ +25°C TO
0% @ +350°C.
Electrical
Tolerance: ±5% STANDARD.
OTHER TOLERANCES AVAILABLE.
Power rating: BASED ON 25°C
FREE AIR RATING (OTHER WATTAGES
AVAILABLE).
Overload:
UNDER 7 WATTS: 5 TIMES RATED
WATTAGE FOR 5 SECONDS.
7 WATTS AND OVER: 10 TIMES RATED
WATTAGE FOR 5 SECONDS.
Temperature coefficient:
1 TO 9.99 OHMS: ±50 PPM/°C
10 OHMS AND OVER: ±30 PPM/°C
20 Series
Vitreous Enamel Conformal Axial
Terminal Wirewound, 5% Tolerance Standard
1.5 IN. / 38.1mm L D
Dimensions (in./mm max.) Max.
Series Wattage Ohms Length* Diam.* Volt.** Lead ga.
21 1 1.0-3.0K 0.421 / 10.7 0.156 / 4.0 75 24
22 2 1.0-3.0K 0.421 / 10.7 0.219 / 5.6 65 20
23 3 0.1-10K 0.515 / 13.1 0.220 / 5.6 135 20
25 5 0.1-28K 1.015 / 25.8 0.276 / 7.0 330 20
27 7 0.1-25K 1.265 / 32.1 0.394 / 10.0 450 20
20 10 0.1-100K 1.859 / 47.2 0.394 / 10.0 720 20
availability at
ohmite.com
20 Series
V ITREOUS ENAMEL
AXIAL LEAD
WIREWOUND
O R D E R I N G I N F O R M AT I O N
RoHS Compliant
21JR10E
Wattage Tolerance Resistance Value
1 = 1W J = 5% R10 = 0.10 ?
2 1R0 = 1.0 ?
3 10R = 10.0 ?
5 250 = 250 ?
7 1K0 = 1,000 ?
0 = 10W 4K5 = 4,500 ?
50K = 50,000 ?
Check product
12.5 watt size available on special order
*For units below 1 Ω , add 15% to body diameter, 10% to body length.
**Maximum Voltage is based on Ohm’s Law [V= √ P*R] as limited by the resistance value
of specified product
THE 20 SERIES AXIAL TERMINAL RESISTORS ARE BOTH DURABLE AND
ECONOMICAL. THEY HAVE ALL THE ELECTRICAL ATTRIBUTES OF THE MORE
EXPENSIVE 90 SERIES RESISTORS, INCLUDING ALL-WELDED CONSTRUCTION.
THEY OFFER THE DURABILITY OF A LEAD FREE CONFORMAL VITREOUS
ENAMEL COATING AND ARE IDEAL FOR COMPUTER, COMMUNICATIONS AND
INDUSTRIAL APPLICATIONS IN WHICH COST, QUALITY, AND RELIABILITY ARE
KEY CONSIDERATIONS.
S TA N D A R D PA RT N U M B E R S F O R 2 0 S E R I E S
Part No.
Prefix 
Suffix
Wattage
Part No.
Prefix 
Suffix
Wattage
Part No.
Prefix 
Suffix
Wattage
0.10
0.13
0.15
0.20
0.25
0.30
0.33
0.50
0.75
––– R10
––– R13
––– R15
––– R20
––– R25
––– R30
––– R33
––– R50
––– R75
62
68
75
82
100
120
125
150
180
––– 62R
––– 68R
––– 75R
––– 82R
––– 100
––– 120
––– 125
––– 150
––– 180
1,800
2,000
2,200
2,500
2,700
3,000
3,300
3,500
3,900
––– 1K8
––– 2K0
––– 2K2
––– 2K5
––– 2K7
––– 3K0
––– 3K3
––– 3K5
––– 3K9
1
1.5
2
2.2
3
4
5
7.5
10
12
15
18
20
22
25
27
30
33
––– 1R0
––– 1R5
––– 2R0
––– 2R2
––– 3R0
––– 4R0
––– 5R0
––– 7R5
––– 10R
––– 12R
––– 15R
––– 18R
––– 20R
––– 22R
––– 25R
––– 27R
––– 30R
––– 33R
200
220
225
250
270
300
330
350
390
400
450
470
500
560
600
680
750
800
––– 200
––– 220
––– 225
––– 250
––– 270
––– 300
––– 330
––– 350
––– 390
––– 400
––– 450
––– 470
––– 500
––– 560
––– 600
––– 680
––– 750
––– 800
4,000
4,500
4,700
5,000
6,000
6,800
7,000
7,500
8,000
9,000
10,000
12,000
13,000
15,000
17,000
20,000
22,000
25,000
––– 4K0
––– 4K5
––– 4K7
––– 5K0
––– 6K0
––– 6K8
––– 7K0
––– 7K5
––– 8K0
––– 9K0
––– 10K
––– 12K
––– 13K
––– 15K
––– 17K
––– 20K
––– 22K
––– 25K
35
39
40
47
50
––– 35R
––– 39R
––– 40R
––– 47R
––– 50R
820
900
1,000
1,100
1,200
––– 820
––– 900
––– 1K0
––– 1K1
––– 1K2
30,000
33,000
35,000
40,000
50,000
––– 30K
––– 33K
––– 35K
––– 40K
––– 50K
56
––– 56R
1,500
––– 1K5
 = Standard values
 = Non-standard values subject to minimum handling charge per item
Shaded values involve very fine resistance wire and should not be
used in critical applications without burn-in and/or thermal cycling.
1-866-9-OHMITE ? INT’L 1-847-258-0300 ? FAX 1-847-574-7522 ? WWW.OHMITE.COM ? INFO@OHMITE.COM
Ohmite Mfg. Co.
25
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40-3572-11 功能描述:IC 与器件插座 QUICK RELEASE 40 PIN GOLD RoHS:否 制造商:Molex 产品:LGA Sockets 节距:1.02 mm 排数: 位置/触点数量:2011 触点电镀:Gold 安装风格:SMD/SMT 端接类型:Solder 插座/封装类型:LGA 2011 工作温度范围:- 40 C to + 100 C
40-3572-16 功能描述:IC 与器件插座 QUICK RELEASE 40 PIN NICKEL RoHS:否 制造商:Molex 产品:LGA Sockets 节距:1.02 mm 排数: 位置/触点数量:2011 触点电镀:Gold 安装风格:SMD/SMT 端接类型:Solder 插座/封装类型:LGA 2011 工作温度范围:- 40 C to + 100 C
40-3572-18 制造商:ARIES 制造商全称:Aries Electronics, Inc. 功能描述:Quick-Release Universal Zero-Insertion-Force DIP Test Socket
40-3573-02 功能描述:SWITCH PUSH SPST-NO 2A 14V RoHS:是 类别:开关 >> 按钮 系列:J-188 标准包装:1 系列:A16 类型:标准，发光式 电路:双刀双掷 开关功能:开-瞬时 额定电流:5A（AC） 额定电压 - AC:125V 额定电压 - DC:- 触动器类型:方形，按钮 颜色 - 致动器/盖:黄 发光类型，颜色:LED，黄 发光电压:12 VDC 安装类型:前面板安装 端接类型:焊接，快速连接 - 0.110"（2.8mm） 防护等级:IP65 - 防尘/防油/防水 特点:- 面板切口尺寸:圆形 - 直径 16.00mm 包装:散装 工作温度:-10°C ~ 55°C 机械寿命:2,000,000 次循环 电气寿命:100,000 次循环 其它名称:A165LAYM12D2
40-3573-10 功能描述:IC 与器件插座 QUICK RELEASE 40 PIN TIN RoHS:否 制造商:Molex 产品:LGA Sockets 节距:1.02 mm 排数: 位置/触点数量:2011 触点电镀:Gold 安装风格:SMD/SMT 端接类型:Solder 插座/封装类型:LGA 2011 工作温度范围:- 40 C to + 100 C
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