Metal Glazed Resistor
Coating-insulated megohm fixed resistors ( Metal Glazed )
High Voltage Surge Resistors.
MGR
Series
-
MERITEK
F
eatures:
•Stable
performance against high temperature and voltage.
•Good
performance in enduring moisture and overload capability.
•Operating
ambient temperature: -55℃ to +175℃
•Lead
(Pb)-free solder contacts
•Epoxy
and silicone coating available for various applications.
•Resistance
tolerance: 1% & 5%
•Power
rating: 1/8 watt to 3 watts, ±50 ppm/°C to ±200 ppm/°C
•Resistance
range – up to 10G ohms
•Dielectric
withstanding voltage - Vmax: 1,200V
P
art
N
umber
S
ystem :
MGR
S
1/4W
-
VALUE
J
TR
B = Bulk; TR = Tape & Reel
Resistance Tolerance (e.g J = +/-5%, F = +/-1%)
Resistance Value (e.g. 0R1, 1R, 10R, 100R, 1K, 10K, 100K, 1M, 10M)
Power Rating
Coating (S = Silicone, E = Epoxy)
Metal Glazed Resistor
D
imension :
Style (Din Size)
MGR1/8W(0204)
MGR1/4W (0207)
MGR1/2WS (0207)
MGR1/2WS(0309)
MGR 1/2W (0410)
MGR 1WS (0412)
MGR 1W (0414)
MGR 2WS (0416)
MGR 2W (0516)
MGR 3WS (0518)
Dimension(mm)
D
H
1.8±0.3
2.3±0.3
2.3±0.3
2.7±0.5
3.2±0.5
4.0±0.5
4.0±0.5
4.5±0.5
5.0±0.5
5.0±0.5
28±2.0
28±2.0
28±2.0
27±2.0
26±2.0
26±2.0
35±2.0
35±2.0
32±2.0
32±2.0
L
3.3±0.5
6.3±0.5
6.3±0.5
8.5±0.5
9.0±0.5
9.0±0.5
11.5±1.0
11.5±1.0
15.5±1.0
15.5±1.0
d
0.45±0.03
0.55±0.03
0.55±0.03
0.60±0.03
0.65±0.03
0.65±0.03
0.78±0.03
0.78±0.03
0.78±0.03
0.78±0.03
A
ppearance :
Silicone Resin ------ Brown --- (Flame-Proof)
Epoxy Resin ------ Light Blue
Metal Glazed Resistor
MGR
Series
-
MERITEK
R
ating :
Max.
working
Voltage
DC500V
DC1600V
AC1150V
DC1700V
DC1800V
DC2000V
DC2500V
DC3000V
DC3500V
DC3500V
DC3500V
Max.
Overload
Voltage
1000V
DC2000V
AC1500V
2500V
2500V
3500V
4000V
4000V
4000V
4000V
Dielectric
Withstanding Voltage
Silicone
Resin
300V
400V
400V
500V
500V
500V
500V
700V
700V
Epoxy
Resin
400V
500V
500V
700V
700V
1000V
1000V
1200V
1200V
Resistance
Range*
100K~100M
100K-1G
100K-1G
100K-1G
100K-1G
100K-1G
100K-1G
100K-1G
100K-1G
K（±10％）E12
J（±5％）E24
±200PPM/℃
F（±1％）E24
±100PPM/℃
＞1G（±10％） ±50PPM/℃
E12
Resistance
Tolerance
Rating
Ambient
Temperature
Operating
Temperature
Power rating
T.C.R.
MGR1/8W(0204)
MGR1/4W(0207)
MGR1/2WS(0207)
MGR1/2WS(0309)
MGR1/2W(0410)
MGR1WS(0412)
MGR1W(0414)
MGR2WS(0416)
MGR2W(0516)
MGR3WS(0518)
70℃
-55℃½+175℃
* Resistance range reflects standard resistance values. Other resistance values are available on request. Maximum resistance: 10G ohms
P
erformance :
Test Items
Short time overload
Moisture resistance
Load life
Insulation resistance
Dielectric withstanding voltage
Resistance to soldering heat
Temperature cycling
Terminal strength
Intermittent ‘overload
40
℃
±2
℃
, 90%~95%RH,1000h
90 min【ON】30 min【OFF】
1000hours at rated voltage, 70℃
90 min【ON】30 min【OFF】
500±50V DC During 1 min V-Block method
In V-Block for 60 seconds
260
℃
±5
℃
,10s±1s or 350
℃
±10
℃
, 3.5s±0.5s
5 cycles for
–25℃±3℃(30min)；room
temp.(30min) ~ +85℃±3℃(30min) room
temp. (30min)
Direct load for 10 sec. In the direction of the terminal leads.
4 times RCWV for10000cycles(1sec.on，25secs.off)
Test Methods
Rated Voltage X 2.5 or Max. overload Voltage, whichever is lower, for 5sec.
Specifications
±（1.0%＋0.05Ω）
±（5.0%＋0.05Ω）
±（3.0%＋0.05Ω）
±10,000MΩ Over
By Type
±（1.0%＋0.05Ω）
±（1.0%＋0.05Ω）
Tensile:
≧
2.5kg
±(1%+0.05Ω)
PCB设计
