1812贴片自恢复保险丝型号规格书

1.Summary

(a)RoHS Compliant &Halogen Free

(b)Applications:All high-density boards

(c)Product Features:1812Dimension,surface mountable,Solid state,Faster time to trip than standard SMD devices.(d)Operation Current:0.30~5.00A (e)Maximum Voltage:6V~60V DC

(f)Temperature Range :-40℃to 85℃

2.A g e n c y R e c o g n i t i o n U L :F i l e N o .E 211981T ÜV :F i l e N o .R 50004084

3.E l e c t r i c a l C h a r a c t e r i s t i c s (23℃)

I H =H o l d c u r r e n t -m a x i m u m c u r r e n t a t w h i c h t h e d e v i c e w i l l n o t t r i p a t 23℃s t i l l a i r .

I T =T r i p c u r r e n t -m i n i m u m c u r r e n t a t w h i c h t h e d e v i c e w i l l a l w a y s t r i p a t 23℃s t i l l a i r .

V M A X =M a x i m u m v o l t a g e d e v i c e c a n w i t h s t a n d w i t h o u t d a m a g e a t i t r a t e d c u r r e n t .(I M A X )I M A X =M a x i m u m f a u l t c u r r e n t d e v i c e c a n w i t h s t a n d w i t h o u t d a m a g e a t r a t e d v o l t a g e (V M A X ).

P d =T y p i c a l p o w e r d i s s i p a t e d -t y p e a m o u n t o f p o w e r d i s s i p a t e d b y t h e d e v i c e w h e n i n t h e t r i p p e d s t a t e i n 23℃s t i l l a i r e n v i r o n m e n t .R M I N =M i n i m u m d e v i c e r e s i s t a n c e a t 23℃p r i o r t o t r i p p i n g .

R 1M A X =M a x i m u m d e v i c e r e s i s t a n c e a t 2℃m e a s u r e d 1h o u r a f t e r t r i p p i n g o r r e f l o w s o l d e r i n g o f 260℃f o r 20s e c o n d s .T e r m i n a t i o n p a d c h a r a c t e r i s t i c s T e r m i n a t i o n p a d m a t e r i a l s :P u r e T i n

Surface

Mountable PTC Resettable Fuse:SMD1812Series

4.SMD Product Dimensions(Millimeters)

5.Thermal Derating Curve

6.Typical Time-To-Trip at 23℃

A= SMD075~300-1812B=

SMD010~050-1812

A = SMD010

B = SMD014

C = SMD020 / 020-60

D = SMD030

E = SMD035 / 035-30

F = SMD050 / 050-30

G = SMD075 / 075-24 / 075-33

H = SMD110 / 110-16/ 110-24 /110-33I = SMD125 / 125-16

J = SMD150 / 150-12 / 150-240

K = SMD160 / 160-16L = SMD200 /200-16

M = SMD260 / 260-16

N = SMD300

SMD160 / 160-1

7.Material Specification

Terminal pad material:Pure Tin

Soldering characteristics:Meets EIA specification RS 186-9E,ANSI/J-std-002Category 3

8.Part Numbering and Marking System

Part Numbering System

Part Marking System

SMD □□□

□□-

F 020

F

Current Rating

60

Part Identification

Voltage Rating

Example

Logo

Warning:-Operation beyond the specified maximum ratings or improper use may result in damage and

possible electrical arcing and/or flame.

-PPTC device are intended for occasional overcurrent protection.Application for repeated overcurrent condition and/or prolonged trip are not anticipated.

-Avoid contact of PPTC device with chemical solvent.Prolonged contact will damage the device performance.

1812

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