www.vishay.com
8
GSR
Vishay Angstrohm
Document Number 66004
Revision 25-Aug-00
Precision Hermetic Metal Film Resistors
Commercial
FEATURES
•Excellent long term stability
•Hermetic glass enclosure is impervious to harmful
environments
•Inert gas filled
•Low noise
•Low TCR
GENERAL SPECIFICATIONS
Resistance Range: 10.0 Ω to 10.0M (see Table 1).
Tolerance: ± 0.05%, ± 0.1%, ± 0.5%, and ± 1.0%.
Temperature Characteristics:
± 15ppm/°C to ± 50 ppm/°C.
Power Ratings:
1/10, 1/8, 1/4, 1/2 and 1 watt - 125°C.
1/8, 1/4, 1/2, 3/4, and 2 watt - 70°C.
TABLE 1 - STANDARD ELECTRICAL SPECIFICATION
MAXIMUM RESISTANCE RANGE
POWER RATING WORKING (Ohms)
MODEL 125°C70°C VOLTAGE Min. Max.
GSR55 1/10 1/8 200 10.0 2.5M
GSR57 1/8 1/4 250 10.0 1.0M
GSR60 1/8 1/4 250 10.0 3.0M
GSR65 1/4 1/2 300 10.0 10.0M
GSR70 1/2 3/4 350 10.0 10.0M
GSR75 1 2 750 10.0 5.0M
Power Derating: For ambient temperatures above 125°C,
see Power Derating Curve.
MECHANICAL SPECIFICATIONS
Termination: Vishay Angstrohm GSR Resistors use gold-
plated nickel leads, which are both solderable and weldable
(hot solder dip is available as an option).
B
EC
AD
DIMENSIONS in inches [millimeters]
CD E D
A B CL TO CL LENGTH DIAMETER APPROX.
MODEL LENGTH DIAMETER (MAX.) ± 0.125 [ ±3.18] ± 0.002 [± 0.051] WEIGHT (grams)
GSR55 0.280 ± 0.020 0.110 ± 0.020 0.379 1.50 0.025
[7.11 ± 0.51] [2.79 ± 0.51] [9.63] [38.10] [0.635]
GSR57 0.310 ± 0.025 0.150 ± 0.020 0.467 1.50 0.025
[7.87 ± 0.64] [3.81 ± 0.51] [11.86] [38.10] [0.635]
GSR60 0.425 ± 0.030 0.150 ± 0.020 0.530 1.50 0.025
[10.80 ± 0.76] [3.81 ± 0.51] [14.25] [38.10] [0.635]
GSR65 0.640 ± 0.040 0.240 ± 0.025 0.780 1.50 0.025
[16.26 ± 1.02] [6.10 ± 0.64] [19.81] [38.10] [0.635]
GSR70 0.640 ± 0.040 0.240 ± 0.025 0.780 1.50 0.032
[16.26 ± 1.02] [6.10 ± 0.64] [19.81] [38.10] [0.813]
GSR75 1.062 ± 0.062 0.250 ± 0.025 1.186 1.50 0.032
[26.98 ± 1.58] [6.35 ± 0.64] [30.12] [38.10] [0.813]
0.337
0.405
0.450
1.300
1.440
2.500