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ERH251K690FJ01

更新时间：2025-07-10 03:17:38
品牌：VISHAY
描述：Fixed Resistor, Wire Wound, 20W, 1690ohm, 1% +/-Tol, -20,20ppm/Cel,

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ERH251K690FJ01 概述

Fixed Resistor, Wire Wound, 20W, 1690ohm, 1% +/-Tol, -20,20ppm/Cel,

ERH251K690FJ01 数据手册

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ERH, ENH  
Vishay Dale  
Wirewound Resistors, Military/Established Reliability  
MIL-PRF-39009 Qualified, Type RER, R Level  
FEATURES  
• Aluminum heat sink housing  
• Molded construction for total environmental protection  
• Qualified to MIL-PRF-39009  
• Complete welded construction  
• Available in non-inductive styles (type ENH) with Aryton-  
Perry winding for lowest reactive components  
• Mounts on chassis to utilize heat-sink effect  
STANDARD ELECTRICAL SPECIFICATIONS  
POWER RATING  
MILITARY  
RESISTANCE RANGE  
WEIGHT  
(typical)  
g
P25 °C  
W
MIL-PRF-39009  
MODEL  
TYPE  
ꢀ %  
Ω
MOUNTED  
FREE AIR  
ENH-5  
RER40  
RER45  
RER50  
RER55  
RER60  
RER65  
RER70  
RER75  
5
3
6
1 - 1.65K  
1 - 2.8K  
3.3  
8.8  
16.5  
35  
3
ENH-10  
ENH-25  
ENH-50  
ERH-5  
10  
20  
30  
5
8
1 - 6.04K  
10  
3
1 - 4.99K  
0.10 - 3.32K  
0.10 - 5.62K  
0.10 - 12.1K  
0.10 - 39.2K  
ERH-10  
ERH-25  
ERH-50  
10  
20  
30  
6
6
8
13  
28  
10  
TECHNICAL SPECIFICATIONS  
PARAMETER  
UNIT  
ERH, ENH RESISTOR CHARACTERISTICS  
Temperature Coefficient  
Dielectric Withstanding Voltage  
Short Time Overload  
Maximum Working Voltage  
Insulation Resistance  
Terminal Strength  
ppm/°C  
100 for 0.1 Ω to 0.99 Ω, 50 for 1 Ω to 19.9 Ω, 20 for 20 Ω and above  
1000 for ERH-5, ERH-10 and ERH-25, 2000 for ERH-50  
5 x rated power for 5 s  
VAC  
-
(P x R)1/2  
V
Ω
lb  
-
10 000 MΩ minimum dry, 1000 MΩ minimum after moisture test  
5 pull for ERH-5 and ERH-10, 10 pull for ERH-25 and ERH-50  
Meets requirements of ANSI J-STD-002  
- 55 to + 250  
Solderability  
Operating Temperature Range  
°C  
GLOBAL PART NUMBER INFORMATION  
Global/Military Part Numbering: RER65Fꢀ00ꢀRC02  
R
E
R
6
5
F
ꢀ
0
0
ꢀ
R
C
0
2
MIL TYPE  
TOLERANCE CODE  
RESISTANCE VALUE  
FAILURE RATE  
PACKAGING CODE  
RER40  
RER45  
RER50  
RER55  
RER60  
RER65  
RER70  
RER75  
F = 1.0 %  
3 digit significant figure,  
followed by a multiplier  
M = 1.0 %/1000 h  
P = 0.1 %/1000 h  
R = 0.01 %/1000 h  
C02 = Tin/lead,  
card pack  
CSL = Tin/lead, card pack,  
49R9 = 49.9 Ω  
ꢀ000 = 100 Ω  
ꢀ00ꢀ = 1000 Ω  
single lot date code  
www.vishay.com  
160  
For technical questions, contact: ww2bresistors@vishay.com  
Document Number: 30200  
Revision: 29-May-08  
ERH, ENH  
Wirewound Resistors, Military/Established Reliability  
MIL-PRF-39009 Qualified, Type RER, R Level  
Vishay Dale  
DIMENSIONS  
D
C
A
F
M
E
N
H
G
B
J
P
K
L
DIMENSIONS in inches [millimeters]  
MODEL  
A
B
C
D
E
F
G
H
J
K
L
M
N
P
0.444  
0.490  
0.600  
1.125  
0.334  
0.015  
[8.480  
0.381]  
0.646  
0.320  
0.015  
[8.130  
0.381]  
0.065  
0.010  
[1.650  
0.254]  
0.133  
0.010  
[3.380  
0.254]  
0.078  
0.010  
[1.980  
0.254]  
0.093  
0.005  
[2.360  
0.127]  
0.078  
0.015  
[1.980  
0.381]  
0.050  
0.005  
[1.270  
0.127]  
0.266  
0.062  
[6.760  
1.570]  
ERH-5  
ENH-5  
0.005  
0.005  
0.031  
0.062  
0.015  
[11.280 [12.450 [15.240 [28.580  
0.127]  
[16.410  
0.381]  
0.127]  
0.787]  
1.570]  
0.562  
0.005  
0.625  
0.005  
0.750  
0.031  
1.375  
0.062  
0.420  
0.015  
0.800  
0.015  
0.390  
0.015  
[9.910  
0.381]  
0.075  
0.010  
[1.900  
0.254]  
0.165  
0.010  
[4.190  
0.254]  
0.093  
0.010  
[2.360  
0.254]  
0.094  
0.005  
[2.390  
0.127]  
0.102  
0.015  
[2.590  
0.381]  
0.085  
0.005  
[2.160  
0.127]  
0.312  
0.062  
[7.920  
1.570]  
ERH-ꢀ0  
ENH-ꢀ0  
[14.270 [15.880 [19.050 [34.930 [10.670 [20.320  
0.127]  
0.127]  
0.787]  
1.570]  
0.381]  
0.381]  
0.719  
0.005  
0.781  
0.005  
1.062  
0.031  
1.938  
0.062  
0.550  
0.015  
1.080  
0.015  
0.546  
0.015  
0.075  
0.010  
[1.900  
0.254]  
0.231  
0.010  
[5.870  
0.254]  
0.172  
0.010  
[4.370  
0.254]  
0.125  
0.005  
[3.180  
0.127]  
0.115  
0.015  
[2.920  
0.381]  
0.085  
0.005  
[2.160  
0.127]  
0.438  
0.062  
[11.130  
1.570]  
ERH-25  
ENH-25  
[18.260 [19.840 [26.970 [49.230 [13.970 [27.430 [13.870  
0.127]  
0.127]  
0.787]  
1.570]  
0.381]  
0.381]  
0.381]  
1.562  
0.005  
0.844  
0.005  
1.968  
0.031  
2.781  
0.062  
0.630  
0.015  
1.140  
0.015  
0.610  
0.015  
0.088  
0.010  
[2.240  
0.254]  
0.260  
0.010  
[6.600  
0.254]  
0.196  
0.010  
[4.980  
0.254]  
0.125  
0.005  
[3.180  
0.127]  
0.107  
0.015  
[2.720  
0.381]  
0.085  
0.005  
[2.160  
0.127]  
0.438  
0.062  
[11.130  
1.570]  
ERH-50  
ENH-50  
[39.670 [21.440 [49.990 [70.640 [16.000 [28.960 [15.490  
0.127]  
0.127]  
0.787]  
1.570]  
0.381]  
0.381]  
0.381]  
MATERIAL SPECIFICATIONS  
120  
100  
80  
Element: Copper-nickel alloy or nickel-chrome alloy,  
depending on resistance value  
Core: Ceramic, steatite or alumina, depending on physical  
size  
60  
40  
20  
0
Encapsulant: Silicone molded construction  
Housing: Aluminum with hard anodic coating  
End Caps: Stainless steel  
Standard Terminals: Tinned Copperweld®  
Part Marking: Source code, JAN, military PIN, date/lot code  
- 55 - 50  
0
50  
100  
150  
200  
250  
25  
Derating  
POWER RATING  
AMBIENT TEMPERATURE IN °C  
Vishay ERH and ENH resistor wattage ratings are based on  
mounting to the proper heat sink.  
ERH-5 and ERH-10: 4" x 6" x 2" x 0.040" thick aluminum  
chassis  
ERH-25 and ERH-50: 5" x 7" x 2" x 0.040" thick aluminum  
chassis  
APPLICABLE MIL SPECIFICATION  
MIL-PRF-39009: This is the military specification covering  
housed chassis mount established reliability power  
wirewound resistors. Vishay ERH and ENH resistors are  
listed as qualified on the MIL-PRF-39009 QPL.  
PERFORMANCE  
TEST  
CONDITIONS OF TEST  
TEST LIMITS  
Apply rated power until thermal stability, remove power subject to air  
temperature of - 55 °C for 15 to 30 min  
5 x rated power for 5 s  
1000 Vrms (RER 40, 45, 50, 60, 65, 70), 2000 Vrms (RER55 and 75),  
1 min duration  
Low Temperature Operation  
Short Time Overload  
Dielectric Withstanding Voltage  
(0.5 % + 0.01 Ω) ΔR  
(0.3 % + 0.01 Ω) ΔR  
(0.2 % + 0.01 Ω) ΔR  
Low Temperature Storage  
High Temperature Exposure  
Moisture Resistance  
Shock, Specified Pulse  
Vibration, High Frequency  
Load Life  
- 55 °C for 24 h  
250 °C for 2000 h  
MIL-STD-202, Method 106  
MIL-STD-202, Method 213, condition 1  
MIL-STD-202, Method 204, condition D  
2000 h at rated power, + 25 °C, 1.5 h “ON”, 0.5 h “OFF”  
10 000 h at rated power, + 25 °C, 1.5 h “ON”, 0.5 h “OFF”  
(0.3 % + 0.01 Ω) ΔR  
(1.0 % + 0.01 Ω) ΔR  
(0.5 % + 0.01 Ω) ΔR  
(0.2 % + 0.01 Ω) ΔR  
(0.2 % + 0.01 Ω) ΔR  
(1.0 % + 0.01 Ω) ΔR  
(2.0 % + 0.01 Ω) ΔR  
Extended Life  
MIL-STD-202, Method 211, condition A  
5 pound (RER40, 45, 60, 65), 10 pound (RER50, 55, 70, 75)  
Terminal Strength  
(0.2 % + 0.01 Ω) ΔR  
Document Number: 30200  
Revision: 29-May-08  
For technical questions, contact: ww2bresistors@vishay.com  
www.vishay.com  
161  
Legal Disclaimer Notice  
Vishay  
Disclaimer  
All product specifications and data are subject to change without notice.  
Vishay Intertechnology, Inc., its affiliates, agents, and employees, and all persons acting on its or their behalf  
(collectively, “Vishay”), disclaim any and all liability for any errors, inaccuracies or incompleteness contained herein  
or in any other disclosure relating to any product.  
Vishay disclaims any and all liability arising out of the use or application of any product described herein or of any  
information provided herein to the maximum extent permitted by law. The product specifications do not expand or  
otherwise modify Vishay’s terms and conditions of purchase, including but not limited to the warranty expressed  
therein, which apply to these products.  
No license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted by this  
document or by any conduct of Vishay.  
The products shown herein are not designed for use in medical, life-saving, or life-sustaining applications unless  
otherwise expressly indicated. Customers using or selling Vishay products not expressly indicated for use in such  
applications do so entirely at their own risk and agree to fully indemnify Vishay for any damages arising or resulting  
from such use or sale. Please contact authorized Vishay personnel to obtain written terms and conditions regarding  
products designed for such applications.  
Product names and markings noted herein may be trademarks of their respective owners.  
Document Number: 91000  
Revision: 18-Jul-08  
www.vishay.com  
1

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