Datasheet

HVR25, HVR37
www.vishay.com
Vishay BCcomponents
Revision: 11-Jul-2018
6
Document Number: 30260
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12NC INFORMATION FOR HISTORICAL CODING REFERENCE ONLY
• The resistors have a 12 digit ordering code starting with
2306
• The next 4 or 5 digits indicate the resistor type and
packaging
• For 5 % tolerance the last 3 digits indicate the resistance
value:
- The first 2 digits indicate the resistance value
- The last digit indicates the resistance decade in
accordance with table
• For 1 % tolerance the last 4 digits indicate the resistance
value:
- The first 3 digits indicate the resistance value
- The last digit indicates the resistance decade in
accordance with table
Last Digit of 12NC Indicating Resistance Decade
12NC Example
HVR25, 150 k,
 5 %, ammopack 1000 pieces is
2306 241 13154



4.17 20 (Ta)
Solderability
(after aging)
2 s; 235 °C: Solder bath method;
SnPb40
3 s; 245 °C: Solder bath method;
SnAg3Cu0.5
Good tinning
( 95 % covered);
no visible damage
4.18 20 (Tb)
Resistance to
soldering heat
Thermal shock: 10 s; 260 °C;
3 mm from body
 (1 % R + 0.1 )
4.29 45 (XA)
Component solvent
resistance
Isopropyl alcohol No visible damage
4.6.11 - Insulation resistance
U = 500 V
DC
during 1 min,
V-block method
R
ins
min. 104 M
4.7 -
Voltage proof on
insulation
U
RMS
= 700 V
during 1 min,
V-block method
No flashover or breakdown
PERFORMANCE
IEC
60115-1
CLAUSE
IEC
60068-2-xx
TEST
METHOD
TEST PROCEDURE
REQUIREMENTS
PERMISSIBLE CHANGE (R)
HVR25 HVR37
RESISTANCE
DECADE (5 %)
RESISTANCE
DECADE (1 %)
LAST DIGIT
100 k to 910 k 100 k to 976 k 4
1 M to 9.1 M 1 M to 9.76 M 5
= 10 M = 10 M 6
12NC - resistor type and packaging
DESCRIPTION
2306 ... .....
BANDOLIER IN AMMOPACK
BANDOLIER
ON REEL
TYPE TAPE WIDTH TOLERANCE
RADIAL TAPED
1000 UNITS 5000 UNITS 5000 UNITS
4000 UNITS
HVR25 52.5
 5 % 241 36... 241 13... 241 53... 241 23....
 1 % 241 0.... 241 8.... 241 7.... 241 6....
HVR37 52.5
 5 % - 242 13... - 242 23...
 1 % - 242 8.... - 242 6....