GSR
Vishay Angstrohm
Precision Hermetic Metal Film Resistors
Commercial
FEATURES
•
Hermetic glass enclosure is impervious to harmful
environments
•
Inert gas filled
•
Low noise (- 40 dB)
•
Low TCR (down to 15 ppm/°C)
GENERAL SPECIFICATIONS
Resistance Range:
10.0
Ω
to 10.0 MΩ
Tolerance:
± 0.05 %, ± 0.1 %, ± 0.5 %, and ± 1.0 %
Temperature Characteristics:
± 15 ppm/°C to ± 50 ppm/°C
Power Ratings:
1/10, 1/8, 1/4, 1/2 and 1 W - 125 °C
1/8, 1/4, 1/2, 3/4, and 2 W - 70 °C
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).
STANDARD ELECTRICAL SPECIFICATIONS
POWER RATING (W)
MODEL
125 °C
GSR55
GSR57
GSR60
GSR65
GSR70
GSR75
0.10
0.125
0.125
0.25
0.50
1.0
70 °C
0.125
0.25
0.25
0.50
0.75
2.0
MAXIMUM WORKING
VOLTAGE
200
250
250
300
350
750
RESISTANCE RANGE (Ω)
MIN.
10
10
10
10
10
10
MAX.
2.5 M
1M
3M
10 M
10 M
5M
GLOBAL PART NUMBER INFORMATION
New Global Part Numbering: GSR55E49R900BMR (preferred part number format)
G
GLOBAL
MODEL
(see Standard
Electrical
Specifications
table)
S
R
5
5
E
4
9
R
9
0
0
B
M
R
TEMPERATURE
COEFFICIENT
X
= 15 ppm
E
= 25 ppm
H
= 50 ppm
RESISTANCE
VALUE
R = Decimal
K = Thousand
M = Million
10R000
= 10
Ω
49R900
= 49.9
Ω
680K00
= 680 kΩ
1M0000
= 1.0 MΩ
TOLERANCE
CODE
A
= ± 0.05 %
B
= ± 0.1 %
D
= ± 0.5 %
F
= ± 1.0 %
PACKAGING
MR
= Foil Bag (55, 57, 60, 65, 70)
MS
= Foil Bag (75 only)
CS
= Reel (55, 57, 60)
CT
= Reel (65, 70, 75)
KA
= Ammo (55, 57, 60)
KC
= Ammo (65, 70, 75)
SPECIAL
Blank = Standard
(Dash Number)
(up to 3 digits)
From
1 - 999
as applicable
Historical Part Numbering: GSR55E49R9B (will continue to be accepted)
GSR55
HISTORICAL MODEL
E
TEMPERATURE
COEFFICIENT
49R9
RESISTANCE
VALUE
B
TOLERANCE
CODE
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42
For technical questions, contact: ff2aresistors@vishay.com
Document Number: 66004
Revision: 04-Apr-07
GSR
Precision Hermetic Metal Film Resistors
Commercial
DIMENSIONS
in inches [millimeters]
Vishay Angstrohm
E
C
A
D
B
MODEL
A
LENGTH
0.280 ± 0.020
[7.11 ± 0.51]
0.310 ± 0.025
[7.87 ± 0.64]
0.425 ± 0.030
[10.80 ± 0.76]
0.640 ± 0.040
[16.26 ± 1.02]
0.640 ± 0.040
[16.26 ± 1.02]
1.062 ± 0.062
[26.98 ± 1.58]
B
DIAMETER
0.110 ± 0.020
[2.79 ± 0.51]
0.150 ± 0.020
[3.81 ± 0.51]
0.150 ± 0.020
[3.81 ± 0.51]
0.240 ± 0.025
[6.10 ± 0.64]
0.240 ± 0.025
[6.10 ± 0.64]
0.250 ± 0.025
[6.35 ± 0.64]
C
CL TO CL
(MAX.)
0.379
[9.63]
0.467
[11.86]
0.530
[14.25]
0.780
[19.81]
0.780
[19.81]
1.186
[30.12]
D
LENGTH
± 0.125 [± 3.18]
1.50
[38.10]
1.50
[38.10]
1.50
[38.10]
1.50
[38.10]
1.50
[38.10]
1.50
[38.10]
E
DIAMETER
± 0.002 [± 0.051]
0.025
[0.635]
0.025
[0.635]
0.025
[0.635]
0.025
[0.635]
0.032
[0.813]
0.032
[0.813]
D
APPROX.
WEIGHT (g)
0.337
0.405
0.450
1.300
1.440
2.500
GSR55
GSR57
GSR60
GSR65
GSR70
GSR75
POWER DERATING
120
RATED POWER IN %
125 °C
100
80
60
40
MARKING
- Style and Size
- Value
- Tolerance and RTC
20
0
25
50
75
100
125
AMBIENT TEMPERATURE
°C
150
175
- Date Code
Document Number: 66004
Revision: 04-Apr-07
For technical questions, contact: ff2aresistors@vishay.com
www.vishay.com
43
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
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