种类

Type

额定

电力

Rated power

最 高

使用电压

Maximum working voltage

最 高

过负荷电压

Maximum overload voltage

最 高

断续电压

Maximum pulsevoltage

耐电压

Dielectric withstanding voltage

电阻值范围

Resistance range

使用温度范围

Operating temperature range

Normal size

1/6W(1/8W)

0.16W

200V

400V

400V

300V

10Ω～1MΩ

-55℃～155℃

1/4W

0.25W

250V

500V

500V

500V

10Ω～20MΩ

1/2W

0.5W

350V

700V

700V

500V

10Ω～30MΩ

1W

1W

500V

1000V

1000V

700V

10Ω～50MΩ

2W

2W

500V

1000V

1000V

900V

10Ω～70MΩ

3W

3W

500V

1000V

1000V

900V

10Ω～100MΩ

10Ω～100MΩ

项目

Item

规格值

Performance

试验方法(依据JIS C 5202)

Test methods (Conform to JIS C 5202)

温度系数

Temperature coefficient

±100PPM/℃以内。

within±100PPM/℃

5.2项参照  Comply with 5.2

R₀:室温(T₀)所测量之电阻值。

R₁:室温+100℃(T₁)后所测量之电阻值。

R₀: Resistance value at room temp. (T₀).

R₁: Resistance value at room temp. plus 100℃(T₁).

短时间过负荷

Short time overload

±(0.5%+0.05Ω)以内。

不得有机械的损伤。

within±(0.5%+0.05Ω)

No evidence of mechanical damage.

5.5项参照  Comply with 5.5

额定电压X 2.5倍, 5秒。

不可超过最高过负荷电压(见表-1)

Rated voltage X 2.5 times, 5s

But not to exceed maximum overload voltage.

(See table-1)

绝缘抵抗

Insulation resistance

10⁴MΩ以上。

10⁴MΩor more

5.6项参照  Comply with 5.6

置于V型槽方法。

施加直流电压500V 60秒。

V-block method

Resistor shall be tested at DC 500V for 60 seconds.

耐电压

Dielectric withstanding voltage

无电弧放电、烧损及绝缘破坏等异状。

No evidence of flashover mechanical damage, arcing or insulation breakdown.

5.7项参照  Comply with 5.7

常压,置于V型槽方法。

施加个别规定之交流电压60秒。(见表-1)

Constant pressure, V-block method

Resistor shall be tested at AC potential respectively for 60 seconds.(See table-1)

断续过负荷

Pulse overload

±(0.5%+0.05Ω)以内。

within±(0.5%+0.05Ω)

5.8项参照  Comply with 5.8

额定电压X 3倍, 1000回(1秒ON, 25秒OFF)。

不可超过最高断���电压(见表-1)

Rated voltage X 3 times, 1000 cyc.(1s ON, 25s OFF)

But not to exceed maximum pulse voltage.(See table-1)

端子强度

Terminal strength

端子不得断裂及松弛。

No evidence of mechanical damage.

6.1项参照  Comply with 6.1

引张强度：25N(2.5Kgf),保持10秒。

Tensile strength: 25N(2.5kgf), for 10 seconds.

扭转强度：360°交互回转5回。

Torsional strength: Rotated through 360°, 5 rotations.

项目

Item

规格值

Performance

试验方法(依据JIS C 5202)

Test methods (Conform to JIS C 5202)

焊锡耐热性

Resistance to soldering heat

±(0.5%+0.05Ω)以内。

不得有机械的损伤。

within±(0.5%+0.05Ω)

No evidence of mechanical damage.

6.4项参照  Comply with 6.4

350±10℃, 3+0.5/-0秒,试验后放置3小时。

350±10℃, 3+0.5/-0s

After test leave for 3h.

焊锡附着性

Solderability

导线至少95%以上新锡覆盖。

Covered with new solder by 95% at least.

6.5项参照  Comply with 6.5

焊锡温度：235±5℃。

浸锡时间：5±0.5秒。

Test temperature of solder: 235±5℃

Dipping time in solder:5±0.5s

耐溶剂性

Resistance to solvent

涂装及色码不得脱落。

No deterioration of protective coating and markings.

6.9项参照  Comply with 6.9

放入异丙醇溶剂之超音波机内，保持30秒。

Specimens shall be immersed in a bath of isopropyl alcohol completely for 30 second with ultrasonic.

温度循环

Temperature cycle

±(1%+0.05Ω)以内。

不得有机械的损伤。

within±(1%+0.05Ω)

No evidence of mechanical damage.

7.4项参照  Comply with 7.4

低温侧：-55℃/30分,室温：10～15分钟

高温侧：+85℃/30分,室温：10～15分钟

5回

Low side：-55℃/30min, Room temp.：10 to 15min

High side：85℃/30min, Room temp.：10 to 15min

5 cycles

耐湿负荷寿命

Load life in humidity

±(1.5%+0.05Ω)以内。

within±(1.5%+0.05Ω)

7.9项参照  Comply with 7.9

40±2℃,湿度90～95%, 1000小时

定格电压(90分钟ON, 30分钟OFF)

40±2℃, 90 to 95%RH, 1000h

Rated voltage (90 min ON, 30 min OFF)

负荷寿命

Load life

±(2%+0.05Ω)以内。

within±(2%+0.05Ω)

7.10项参照  Comply with 7.10

70±3℃, 1000小时

定格电压(90分钟ON, 30分钟OFF)

70±3℃, 1000h

Rated voltage (90 min ON, 30 min OFF)

种类  Type

尺  寸  Dimensions

普通型

Normal Size

小型化

Small Size

L

ψD

ψd

H

1/8W（1/6W）

1/4WS

 3.2±0.2

1.8±0.2

0.40±0.05

28.0±3.0

1/4W

1/2WS

 6.5±0.5

2.3±0.3

0.50±0.05

28.0±3.0

1/2W

1WS

 9.0±1.0

3.2±0.5

0.53±0.05

28.0±3.0

1W

2WS

12.0±1.0

3.5±1.0

0.65±0.05

28.5.0±3.0

2W

3WS

15.5±1.0

5.0±1.0

0.70±0.05

31.0±3.0

3W

5WS

17.5±1.0

6.5±1.0

0.75±0.05

30.5±3.0